game_h5/g_JumpForTreasure/proj_laya/bin/libs/min/laya.physics.min.js

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box2d.b2Mul_M22_V2(o,t,e);if(o instanceof box2d.b2Mat22&&t instanceof box2d.b2Mat22&&e instanceof box2d.b2Mat22)return box2d.b2Mul_M22_M22(o,t,e);if(o instanceof box2d.b2Mat33&&t instanceof box2d.b2Vec3&&e instanceof box2d.b2Vec3)return box2d.b2Mul_M33_V3(o,t,e);if(o instanceof box2d.b2Rot&&t instanceof box2d.b2Rot&&e instanceof box2d.b2Rot)return box2d.b2Mul_R_R(o,t,e);if(o instanceof box2d.b2Rot&&t instanceof box2d.b2Vec2&&e instanceof box2d.b2Vec2)return box2d.b2Mul_R_V2(o,t,e);if(o instanceof box2d.b2Transform&&t instanceof box2d.b2Vec2&&e instanceof box2d.b2Vec2)return box2d.b2Mul_X_V2(o,t,e);if(o instanceof box2d.b2Transform&&t instanceof box2d.b2Transform&&e instanceof box2d.b2Transform)return box2d.b2Mul_X_X(o,t,e);throw Error()},goog.exportSymbol("box2d.b2Mul",box2d.b2Mul),box2d.b2Mul22=function(o,t,e){if(o instanceof box2d.b2Mat33&&t instanceof box2d.b2Vec2)return box2d.b2Mul22_M33_V2(o,t,e);throw 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Error()},goog.exportSymbol("box2d.b2MulT",box2d.b2MulT),box2d.b2DistanceProxy=function(){this.m_buffer=box2d.b2Vec2.MakeArray(2)},goog.exportSymbol("box2d.b2DistanceProxy",box2d.b2DistanceProxy),box2d.b2DistanceProxy.prototype.m_buffer=null,goog.exportProperty(box2d.b2DistanceProxy.prototype,"m_buffer",box2d.b2DistanceProxy.prototype.m_buffer),box2d.b2DistanceProxy.prototype.m_vertices=null,goog.exportProperty(box2d.b2DistanceProxy.prototype,"m_vertices",box2d.b2DistanceProxy.prototype.m_vertices),box2d.b2DistanceProxy.prototype.m_count=0,goog.exportProperty(box2d.b2DistanceProxy.prototype,"m_count",box2d.b2DistanceProxy.prototype.m_count),box2d.b2DistanceProxy.prototype.m_radius=0,goog.exportProperty(box2d.b2DistanceProxy.prototype,"m_radius",box2d.b2DistanceProxy.prototype.m_radius),box2d.b2DistanceProxy.prototype.Reset=function(){return this.m_vertices=null,this.m_radius=this.m_count=0,this},goog.exportProperty(box2d.b2DistanceProxy.prototype,"Reset",box2d.b2DistanceProxy.prototype.Reset),box2d.b2DistanceProxy.prototype.SetShape=function(o,t){o.SetupDistanceProxy(this,t)},goog.exportProperty(box2d.b2DistanceProxy.prototype,"SetShape",box2d.b2DistanceProxy.prototype.SetShape),box2d.b2DistanceProxy.prototype.GetSupport=function(o){for(var t=0,e=box2d.b2Dot_V2_V2(this.m_vertices[0],o),r=1;r<this.m_count;++r){var i=box2d.b2Dot_V2_V2(this.m_vertices[r],o);i>e&&(t=r,e=i)}return t},goog.exportProperty(box2d.b2DistanceProxy.prototype,"GetSupport",box2d.b2DistanceProxy.prototype.GetSupport),box2d.b2DistanceProxy.prototype.GetSupportVertex=function(o,t){for(var e=0,r=box2d.b2Dot_V2_V2(this.m_vertices[0],o),i=1;i<this.m_count;++i){var n=box2d.b2Dot_V2_V2(this.m_vertices[i],o);n>r&&(e=i,r=n)}return 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box2d.ENABLE_ASSERTS&&box2d.b2Assert(0<=o&&o<this.m_count),this.m_vertices[o]},goog.exportProperty(box2d.b2DistanceProxy.prototype,"GetVertex",box2d.b2DistanceProxy.prototype.GetVertex),box2d.b2SimplexCache=function(){this.indexA=box2d.b2MakeNumberArray(3),this.indexB=box2d.b2MakeNumberArray(3)},goog.exportSymbol("box2d.b2SimplexCache",box2d.b2SimplexCache),box2d.b2SimplexCache.prototype.metric=0,goog.exportProperty(box2d.b2SimplexCache.prototype,"metric",box2d.b2SimplexCache.prototype.metric),box2d.b2SimplexCache.prototype.count=0,goog.exportProperty(box2d.b2SimplexCache.prototype,"count",box2d.b2SimplexCache.prototype.count),box2d.b2SimplexCache.prototype.indexA=null,goog.exportProperty(box2d.b2SimplexCache.prototype,"indexA",box2d.b2SimplexCache.prototype.indexA),box2d.b2SimplexCache.prototype.indexB=null,goog.exportProperty(box2d.b2SimplexCache.prototype,"indexB",box2d.b2SimplexCache.prototype.indexB),box2d.b2SimplexCache.prototype.Reset=function(){return this.count=this.metric=0,this},goog.exportProperty(box2d.b2SimplexCache.prototype,"Reset",box2d.b2SimplexCache.prototype.Reset),box2d.b2DistanceInput=function(){this.proxyA=new box2d.b2DistanceProxy,this.proxyB=new box2d.b2DistanceProxy,this.transformA=new box2d.b2Transform,this.transformB=new box2d.b2Transform},goog.exportSymbol("box2d.b2DistanceInput",box2d.b2DistanceInput),box2d.b2DistanceInput.prototype.proxyA=null,goog.exportProperty(box2d.b2DistanceInput.prototype,"proxyA",box2d.b2DistanceInput.prototype.proxyA),box2d.b2DistanceInput.prototype.proxyB=null,goog.exportProperty(box2d.b2DistanceInput.prototype,"proxyB",box2d.b2DistanceInput.prototype.proxyB),box2d.b2DistanceInput.prototype.transformA=null,goog.exportProperty(box2d.b2DistanceInput.prototype,"transformA",box2d.b2DistanceInput.prototype.transformA),box2d.b2DistanceInput.prototype.transformB=null,goog.exportProperty(box2d.b2DistanceInput.prototype,"transformB",box2d.b2DistanceInput.prototype.transformB),box2d.b2DistanceInput.prototype.useRadii=!1,goog.exportProperty(box2d.b2DistanceInput.prototype,"useRadii",box2d.b2DistanceInput.prototype.useRadii),box2d.b2DistanceInput.prototype.Reset=function(){return this.proxyA.Reset(),this.proxyB.Reset(),this.transformA.SetIdentity(),this.transformB.SetIdentity(),this.useRadii=!1,this},goog.exportProperty(box2d.b2DistanceInput.prototype,"Reset",box2d.b2DistanceInput.prototype.Reset),box2d.b2DistanceOutput=function(){this.pointA=new box2d.b2Vec2,this.pointB=new box2d.b2Vec2},goog.exportSymbol("box2d.b2DistanceOutput",box2d.b2DistanceOutput),box2d.b2DistanceOutput.prototype.pointA=null,goog.exportProperty(box2d.b2DistanceOutput.prototype,"pointA",box2d.b2DistanceOutput.prototype.pointA),box2d.b2DistanceOutput.prototype.pointB=null,goog.exportProperty(box2d.b2DistanceOutput.prototype,"pointB",box2d.b2DistanceOutput.prototype.pointB),box2d.b2DistanceOutput.prototype.distance=0,goog.exportProperty(box2d.b2DistanceOutput.prototype,"distance",box2d.b2DistanceOutput.prototype.distance),box2d.b2DistanceOutput.prototype.iterations=0,goog.exportProperty(box2d.b2DistanceOutput.prototype,"iterations",box2d.b2DistanceOutput.prototype.iterations),box2d.b2DistanceOutput.prototype.Reset=function(){return this.pointA.SetZero(),this.pointB.SetZero(),this.iterations=this.distance=0,this},goog.exportProperty(box2d.b2DistanceOutput.prototype,"Reset",box2d.b2DistanceOutput.prototype.Reset),box2d.b2_gjkCalls=0,goog.exportSymbol("box2d.b2_gjkCalls",box2d.b2_gjkCalls),box2d.b2_gjkIters=0,goog.exportSymbol("box2d.b2_gjkIters",box2d.b2_gjkIters),box2d.b2_gjkMaxIters=0,goog.exportSymbol("box2d.b2_gjkMaxIters",box2d.b2_gjkMaxIters),box2d.b2SimplexVertex=function(){this.wA=new box2d.b2Vec2,this.wB=new box2d.b2Vec2,this.w=new box2d.b2Vec2},goog.exportSymbol("box2d.b2SimplexVertex",box2d.b2SimplexVertex),box2d.b2SimplexVertex.prototype.wA=null,goog.exportProperty(box2d.b2SimplexVertex.prototype,"wA",box2d.b2SimplexVertex.prototype.wA),box2d.b2SimplexVertex.prototype.wB=null,goog.exportProperty(box2d.b2SimplexVertex.prototype,"wB",box2d.b2SimplexVertex.prototype.wB),box2d.b2SimplexVertex.prototype.w=null,goog.exportProperty(box2d.b2SimplexVertex.prototype,"w",box2d.b2SimplexVertex.prototype.w),box2d.b2SimplexVertex.prototype.a=0,goog.exportProperty(box2d.b2SimplexVertex.prototype,"a",box2d.b2SimplexVertex.prototype.a),box2d.b2SimplexVertex.prototype.indexA=0,goog.exportProperty(box2d.b2SimplexVertex.prototype,"indexA",box2d.b2SimplexVertex.prototype.indexA),box2d.b2SimplexVertex.prototype.indexB=0,goog.exportProperty(box2d.b2SimplexVertex.prototype,"indexB",box2d.b2SimplexVertex.prototype.indexB),box2d.b2SimplexVertex.prototype.Copy=function(o){return this.wA.Copy(o.wA),this.wB.Copy(o.wB),this.w.Copy(o.w),this.a=o.a,this.indexA=o.indexA,this.indexB=o.indexB,this},goog.exportProperty(box2d.b2SimplexVertex.prototype,"Copy",box2d.b2SimplexVertex.prototype.Copy),box2d.b2Simplex=function(){this.m_v1=new box2d.b2SimplexVertex,this.m_v2=new box2d.b2SimplexVertex,this.m_v3=new box2d.b2SimplexVertex,this.m_vertices=Array(3),this.m_vertices[0]=this.m_v1,this.m_vertices[1]=this.m_v2,this.m_vertices[2]=this.m_v3},goog.exportSymbol("box2d.b2Simplex",box2d.b2Simplex),box2d.b2Simplex.prototype.m_v1=null,goog.exportProperty(box2d.b2Simplex.prototype,"m_v1",box2d.b2Simplex.prototype.m_v1),box2d.b2Simplex.prototype.m_v2=null,goog.exportProperty(box2d.b2Simplex.prototype,"m_v2",box2d.b2Simplex.prototype.m_v2),box2d.b2Simplex.prototype.m_v3=null,goog.exportProperty(box2d.b2Simplex.prototype,"m_v3",box2d.b2Simplex.prototype.m_v3),box2d.b2Simplex.prototype.m_vertices=null,goog.exportProperty(box2d.b2Simplex.prototype,"m_vertices",box2d.b2Simplex.prototype.m_vertices),box2d.b2Simplex.prototype.m_count=0,goog.exportProperty(box2d.b2Simplex.prototype,"m_count",box2d.b2Simplex.prototype.m_count),box2d.b2Simplex.prototype.ReadCache=function(o,t,e,r,i){box2d.ENABLE_ASSERTS&&box2d.b2Assert(0<=o.count&&3>=o.count),this.m_count=o.count;for(var n=this.m_vertices,p=0;p<this.m_count;++p){var s=n[p];s.indexA=o.indexA[p],s.indexB=o.indexB[p];var l=t.GetVertex(s.indexA),x=r.GetVertex(s.indexB);box2d.b2Mul_X_V2(e,l,s.wA),box2d.b2Mul_X_V2(i,x,s.wB),box2d.b2Sub_V2_V2(s.wB,s.wA,s.w),s.a=0}1<this.m_count&&(o=o.metric,(p=this.GetMetric())<.5*o||2*o<p||p<box2d.b2_epsilon)&&(this.m_count=0),0===this.m_count&&((s=n[0]).indexA=0,s.indexB=0,l=t.GetVertex(0),x=r.GetVertex(0),box2d.b2Mul_X_V2(e,l,s.wA),box2d.b2Mul_X_V2(i,x,s.wB),box2d.b2Sub_V2_V2(s.wB,s.wA,s.w),this.m_count=s.a=1)},goog.exportProperty(box2d.b2Simplex.prototype,"ReadCache",box2d.b2Simplex.prototype.ReadCache),box2d.b2Simplex.prototype.WriteCache=function(o){o.metric=this.GetMetric(),o.count=this.m_count;for(var t=this.m_vertices,e=0;e<this.m_count;++e)o.indexA[e]=t[e].indexA,o.indexB[e]=t[e].indexB},goog.exportProperty(box2d.b2Simplex.prototype,"WriteCache",box2d.b2Simplex.prototype.WriteCache),box2d.b2Simplex.prototype.GetSearchDirection=function(o){switch(this.m_count){case 1:return o.Copy(this.m_v1.w).SelfNeg();case 2:var t=box2d.b2Sub_V2_V2(this.m_v2.w,this.m_v1.w,o);return 0<box2d.b2Cross_V2_V2(t,box2d.b2Vec2.s_t0.Copy(this.m_v1.w).SelfNeg())?box2d.b2Cross_S_V2(1,t,o):box2d.b2Cross_V2_S(t,1,o);default:return box2d.ENABLE_ASSERTS&&box2d.b2Assert(!1),o.SetZero()}},goog.exportProperty(box2d.b2Simplex.prototype,"GetSearchDirection",box2d.b2Simplex.prototype.GetSearchDirection),box2d.b2Simplex.prototype.GetClosestPoint=function(o){switch(this.m_count){case 0:return box2d.ENABLE_ASSERTS&&box2d.b2Assert(!1),o.SetZero();case 1:return o.Copy(this.m_v1.w);case 2:return o.Set(this.m_v1.a*this.m_v1.w.x+this.m_v2.a*this.m_v2.w.x,this.m_v1.a*this.m_v1.w.y+this.m_v2.a*this.m_v2.w.y);case 3:return o.SetZero();default:return box2d.ENABLE_ASSERTS&&box2d.b2Assert(!1),o.SetZero()}},goog.exportProperty(box2d.b2Simplex.prototype,"GetClosestPoint",box2d.b2Simplex.prototype.GetClosestPoint),box2d.b2Simplex.prototype.GetWitnessPoints=function(o,t){switch(this.m_count){case 0:box2d.ENABLE_ASSERTS&&box2d.b2Assert(!1);break;case 1:o.Copy(this.m_v1.wA),t.Copy(this.m_v1.wB);break;case 2:o.x=this.m_v1.a*this.m_v1.wA.x+this.m_v2.a*this.m_v2.wA.x,o.y=this.m_v1.a*this.m_v1.wA.y+this.m_v2.a*this.m_v2.wA.y,t.x=this.m_v1.a*this.m_v1.wB.x+this.m_v2.a*this.m_v2.wB.x,t.y=this.m_v1.a*this.m_v1.wB.y+this.m_v2.a*this.m_v2.wB.y;break;case 3:t.x=o.x=this.m_v1.a*this.m_v1.wA.x+this.m_v2.a*this.m_v2.wA.x+this.m_v3.a*this.m_v3.wA.x,t.y=o.y=this.m_v1.a*this.m_v1.wA.y+this.m_v2.a*this.m_v2.wA.y+this.m_v3.a*this.m_v3.wA.y;break;default:box2d.ENABLE_ASSERTS&&box2d.b2Assert(!1)}},goog.exportProperty(box2d.b2Simplex.prototype,"GetWitnessPoints",box2d.b2Simplex.prototype.GetWitnessPoints),box2d.b2Simplex.prototype.GetMetric=function(){switch(this.m_count){case 0:return box2d.ENABLE_ASSERTS&&box2d.b2Assert(!1),0;case 1:return 0;case 2:return box2d.b2Distance(this.m_v1.w,this.m_v2.w);case 3:return box2d.b2Cross_V2_V2(box2d.b2Sub_V2_V2(this.m_v2.w,this.m_v1.w,box2d.b2Vec2.s_t0),box2d.b2Sub_V2_V2(this.m_v3.w,this.m_v1.w,box2d.b2Vec2.s_t1));default:return box2d.ENABLE_ASSERTS&&box2d.b2Assert(!1),0}},goog.exportProperty(box2d.b2Simplex.prototype,"GetMetric",box2d.b2Simplex.prototype.GetMetric),box2d.b2Simplex.prototype.Solve2=function(){var o=this.m_v1.w,t=this.m_v2.w,e=box2d.b2Sub_V2_V2(t,o,box2d.b2Simplex.s_e12);0>=(o=-box2d.b2Dot_V2_V2(o,e))?this.m_count=this.m_v1.a=1:0>=(t=box2d.b2Dot_V2_V2(t,e))?(this.m_count=this.m_v2.a=1,this.m_v1.Copy(this.m_v2)):(e=1/(t+o),this.m_v1.a=t*e,this.m_v2.a=o*e,this.m_count=2)},goog.exportProperty(box2d.b2Simplex.prototype,"Solve2",box2d.b2Simplex.prototype.Solve2),box2d.b2Simplex.prototype.Solve3=function(){var o=this.m_v1.w,t=this.m_v2.w,e=this.m_v3.w,r=box2d.b2Sub_V2_V2(t,o,box2d.b2Simplex.s_e12),i=box2d.b2Dot_V2_V2(o,r),n=box2d.b2Dot_V2_V2(t,r),p=(i=-i,box2d.b2Sub_V2_V2(e,o,box2d.b2Simplex.s_e13)),s=box2d.b2Dot_V2_V2(o,p),l=box2d.b2Dot_V2_V2(e,p),x=(s=-s,box2d.b2Sub_V2_V2(e,t,box2d.b2Simplex.s_e23)),y=box2d.b2Dot_V2_V2(t,x);x=box2d.b2Dot_V2_V2(e,x),y=-y,r=(p=box2d.b2Cross_V2_V2(r,p))*box2d.b2Cross_V2_V2(t,e),e=p*box2d.b2Cross_V2_V2(e,o),o=p*box2d.b2Cross_V2_V2(o,t);0>=i&&0>=s?this.m_count=this.m_v1.a=1:0<n&&0<i&&0>=o?(l=1/(n+i),this.m_v1.a=n*l,this.m_v2.a=i*l,this.m_count=2):0<l&&0<s&&0>=e?(n=1/(l+s),this.m_v1.a=l*n,this.m_v3.a=s*n,this.m_count=2,this.m_v2.Copy(this.m_v3)):0>=n&&0>=y?(this.m_count=this.m_v2.a=1,this.m_v1.Copy(this.m_v2)):0>=l&&0>=x?(this.m_count=this.m_v3.a=1,this.m_v1.Copy(this.m_v3)):0<x&&0<y&&0>=r?(n=1/(x+y),this.m_v2.a=x*n,this.m_v3.a=y*n,this.m_count=2,this.m_v1.Copy(this.m_v3)):(n=1/(r+e+o),this.m_v1.a=r*n,this.m_v2.a=e*n,this.m_v3.a=o*n,this.m_count=3)},goog.exportProperty(box2d.b2Simplex.prototype,"Solve3",box2d.b2Simplex.prototype.Solve3),box2d.b2Simplex.s_e12=new box2d.b2Vec2,box2d.b2Simplex.s_e13=new box2d.b2Vec2,box2d.b2Simplex.s_e23=new box2d.b2Vec2,box2d.b2ShapeDistance=function(o,t,e){++box2d.b2_gjkCalls;var r=e.proxyA,i=e.proxyB,n=e.transformA,p=e.transformB,s=box2d.b2Distance.s_simplex;s.ReadCache(t,r,n,i,p);for(var l=s.m_vertices,x=box2d.b2Distance.s_saveA,y=box2d.b2Distance.s_saveB,_=0,m=0;20>m;){_=s.m_count;for(var u=0;u<_;++u)x[u]=l[u].indexA,y[u]=l[u].indexB;switch(s.m_count){case 1:break;case 2:s.Solve2();break;case 3:s.Solve3();break;default:box2d.ENABLE_ASSERTS&&box2d.b2Assert(!1)}if(3===s.m_count)break;var h=s.GetClosestPoint(box2d.b2Distance.s_p);if(h.LengthSquared(),(u=s.GetSearchDirection(box2d.b2Distance.s_d)).LengthSquared()<box2d.b2_epsilon_sq)break;(h=l[s.m_count]).indexA=r.GetSupport(box2d.b2MulT_R_V2(n.q,box2d.b2Vec2.s_t0.Copy(u).SelfNeg(),box2d.b2Distance.s_supportA)),box2d.b2Mul_X_V2(n,r.GetVertex(h.indexA),h.wA),h.indexB=i.GetSupport(box2d.b2MulT_R_V2(p.q,u,box2d.b2Distance.s_supportB)),box2d.b2Mul_X_V2(p,i.GetVertex(h.indexB),h.wB),box2d.b2Sub_V2_V2(h.wB,h.wA,h.w),++m,++box2d.b2_gjkIters;var g=!1;for(u=0;u<_;++u)if(h.indexA===x[u]&&h.indexB===y[u]){g=!0;break}if(g)break;++s.m_count}box2d.b2_gjkMaxIters=box2d.b2Max(box2d.b2_gjkMaxIters,m),s.GetWitnessPoints(o.pointA,o.pointB),o.distance=box2d.b2Distance(o.pointA,o.pointB),o.iterations=m,s.WriteCache(t),e.useRadii&&(t=r.m_radius,i=i.m_radius,o.distance>t+i&&o.distance>box2d.b2_epsilon?(o.distance-=t+i,(e=box2d.b2Sub_V2_V2(o.pointB,o.pointA,box2d.b2Distance.s_normal)).Normalize(),o.pointA.SelfMulAdd(t,e),o.pointB.SelfMulSub(i,e)):(h=box2d.b2Mid_V2_V2(o.pointA,o.pointB,box2d.b2Distance.s_p),o.pointA.Copy(h),o.pointB.Copy(h),o.distance=0))},goog.exportSymbol("box2d.b2ShapeDistance",box2d.b2ShapeDistance),box2d.b2Distance.s_simplex=new box2d.b2Simplex,box2d.b2Distance.s_saveA=box2d.b2MakeNumberArray(3),box2d.b2Distance.s_saveB=box2d.b2MakeNumberArray(3),box2d.b2Distance.s_p=new box2d.b2Vec2,box2d.b2Distance.s_d=new box2d.b2Vec2,box2d.b2Distance.s_normal=new box2d.b2Vec2,box2d.b2Distance.s_supportA=new box2d.b2Vec2,box2d.b2Distance.s_supportB=new box2d.b2Vec2,box2d.b2Collision={},box2d.b2ContactFeatureType={e_vertex:0,e_face:1},goog.exportSymbol("box2d.b2ContactFeatureType",box2d.b2ContactFeatureType),goog.exportProperty(box2d.b2ContactFeatureType,"e_vertex",box2d.b2ContactFeatureType.e_vertex),goog.exportProperty(box2d.b2ContactFeatureType,"e_face",box2d.b2ContactFeatureType.e_face),box2d.b2ContactFeature=function(){},goog.exportSymbol("box2d.b2ContactFeature",box2d.b2ContactFeature),box2d.b2ContactFeature.prototype._key=0,goog.exportProperty(box2d.b2ContactFeature.prototype,"_key",box2d.b2ContactFeature.prototype._key),box2d.b2ContactFeature.prototype._key_invalid=!1,goog.exportProperty(box2d.b2ContactFeature.prototype,"_key_invalid",box2d.b2ContactFeature.prototype._key_invalid),box2d.b2ContactFeature.prototype._indexA=0,goog.exportProperty(box2d.b2ContactFeature.prototype,"_indexA",box2d.b2ContactFeature.prototype._indexA),box2d.b2ContactFeature.prototype._indexB=0,goog.exportProperty(box2d.b2ContactFeature.prototype,"_indexB",box2d.b2ContactFeature.prototype._indexB),box2d.b2ContactFeature.prototype._typeA=0,goog.exportProperty(box2d.b2ContactFeature.prototype,"_typeA",box2d.b2ContactFeature.prototype._typeA),box2d.b2ContactFeature.prototype._typeB=0,goog.exportProperty(box2d.b2ContactFeature.prototype,"_typeB",box2d.b2ContactFeature.prototype._typeB),Object.defineProperty(box2d.b2ContactFeature.prototype,"key",{enumerable:!1,configurable:!0,get:function(){return this._key_invalid&&(this._key_invalid=!1,this._key=this._indexA|this._indexB<<8|this._typeA<<16|this._typeB<<24),this._key},set:function(o){this._key=o,this._indexA=255&this._key,this._indexB=this._key>>8&255,this._typeA=this._key>>16&255,this._typeB=this._key>>24&255}}),Object.defineProperty(box2d.b2ContactFeature.prototype,"indexA",{enumerable:!1,configurable:!0,get:function(){return this._indexA},set:function(o){this._indexA=o,this._key_invalid=!0}}),Object.defineProperty(box2d.b2ContactFeature.prototype,"indexB",{enumerable:!1,configurable:!0,get:function(){return this._indexB},set:function(o){this._indexB=o,this._key_invalid=!0}}),Object.defineProperty(box2d.b2ContactFeature.prototype,"typeA",{enumerable:!1,configurable:!0,get:function(){return this._typeA},set:function(o){this._typeA=o,this._key_invalid=!0}}),Object.defineProperty(box2d.b2ContactFeature.prototype,"typeB",{enumerable:!1,configurable:!0,get:function(){return this._typeB},set:function(o){this._typeB=o,this._key_invalid=!0}}),box2d.b2ContactID=function(){this.cf=new box2d.b2ContactFeature},goog.exportSymbol("box2d.b2ContactID",box2d.b2ContactID),box2d.b2ContactID.prototype.cf=null,goog.exportProperty(box2d.b2ContactID.prototype,"cf",box2d.b2ContactID.prototype.cf),box2d.b2ContactID.prototype.key=0,goog.exportProperty(box2d.b2ContactID.prototype,"key",box2d.b2ContactID.prototype.key),Object.defineProperty(box2d.b2ContactID.prototype,"key",{enumerable:!1,configurable:!0,get:function(){return this.cf.key},set:function(o){this.cf.key=o}}),box2d.b2ContactID.prototype.Copy=function(o){return this.key=o.key,this},goog.exportProperty(box2d.b2ContactID.prototype,"Copy",box2d.b2ContactID.prototype.Copy),box2d.b2ContactID.prototype.Clone=function(){return(new box2d.b2ContactID).Copy(this)},goog.exportProperty(box2d.b2ContactID.prototype,"Clone",box2d.b2ContactID.prototype.Clone),box2d.b2ManifoldPoint=function(){this.localPoint=new box2d.b2Vec2,this.id=new box2d.b2ContactID},goog.exportSymbol("box2d.b2ManifoldPoint",box2d.b2ManifoldPoint),box2d.b2ManifoldPoint.prototype.localPoint=null,goog.exportProperty(box2d.b2ManifoldPoint.prototype,"localPoint",box2d.b2ManifoldPoint.prototype.localPoint),box2d.b2ManifoldPoint.prototype.normalImpulse=0,goog.exportProperty(box2d.b2ManifoldPoint.prototype,"normalImpulse",box2d.b2ManifoldPoint.prototype.normalImpulse),box2d.b2ManifoldPoint.prototype.tangentImpulse=0,goog.exportProperty(box2d.b2ManifoldPoint.prototype,"tangentImpulse",box2d.b2ManifoldPoint.prototype.tangentImpulse),box2d.b2ManifoldPoint.prototype.id=null,goog.exportProperty(box2d.b2ManifoldPoint.prototype,"id",box2d.b2ManifoldPoint.prototype.id),box2d.b2ManifoldPoint.MakeArray=function(o){return box2d.b2MakeArray(o,(function(o){return new box2d.b2ManifoldPoint}))},goog.exportProperty(box2d.b2ManifoldPoint,"MakeArray",box2d.b2ManifoldPoint.MakeArray),box2d.b2ManifoldPoint.prototype.Reset=function(){this.localPoint.SetZero(),this.tangentImpulse=this.normalImpulse=0,this.id.key=0},goog.exportProperty(box2d.b2ManifoldPoint.prototype,"Reset",box2d.b2ManifoldPoint.prototype.Reset);box2d.b2ManifoldPoint.prototype.Copy=function(o){return this.localPoint.Copy(o.localPoint),this.normalImpulse=o.normalImpulse,this.tangentImpulse=o.tangentImpulse,this.id.Copy(o.id),this},goog.exportProperty(box2d.b2ManifoldPoint.prototype,"Copy",box2d.b2ManifoldPoint.prototype.Copy),box2d.b2ManifoldType={e_unknown:-1,e_circles:0,e_faceA:1,e_faceB:2},goog.exportSymbol("box2d.b2ManifoldType",box2d.b2ManifoldType),goog.exportProperty(box2d.b2ManifoldType,"e_unknown",box2d.b2ManifoldType.e_unknown),goog.exportProperty(box2d.b2ManifoldType,"e_circles",box2d.b2ManifoldType.e_circles),goog.exportProperty(box2d.b2ManifoldType,"e_faceA",box2d.b2ManifoldType.e_faceA),goog.exportProperty(box2d.b2ManifoldType,"e_faceB",box2d.b2ManifoldType.e_faceB),box2d.b2Manifold=function(){this.points=box2d.b2ManifoldPoint.MakeArray(box2d.b2_maxManifoldPoints),this.localNormal=new box2d.b2Vec2,this.localPoint=new box2d.b2Vec2,this.type=box2d.b2ManifoldType.e_unknown,this.pointCount=0},goog.exportSymbol("box2d.b2Manifold",box2d.b2Manifold),box2d.b2Manifold.prototype.points=null,goog.exportProperty(box2d.b2Manifold.prototype,"points",box2d.b2Manifold.prototype.points),box2d.b2Manifold.prototype.localNormal=null,goog.exportProperty(box2d.b2Manifold.prototype,"localNormal",box2d.b2Manifold.prototype.localNormal),box2d.b2Manifold.prototype.localPoint=null,goog.exportProperty(box2d.b2Manifold.prototype,"localPoint",box2d.b2Manifold.prototype.localPoint),box2d.b2Manifold.prototype.type=box2d.b2ManifoldType.e_unknown,goog.exportProperty(box2d.b2Manifold.prototype,"type",box2d.b2Manifold.prototype.type),box2d.b2Manifold.prototype.pointCount=0,goog.exportProperty(box2d.b2Manifold.prototype,"pointCount",box2d.b2Manifold.prototype.pointCount),box2d.b2Manifold.prototype.Reset=function(){for(var o=0,t=box2d.b2_maxManifoldPoints;o<t;++o)this.points[o].Reset();this.localNormal.SetZero(),this.localPoint.SetZero(),this.type=box2d.b2ManifoldType.e_unknown,this.pointCount=0},goog.exportProperty(box2d.b2Manifold.prototype,"Reset",box2d.b2Manifold.prototype.Reset),box2d.b2Manifold.prototype.Copy=function(o){this.pointCount=o.pointCount;for(var t=0,e=box2d.b2_maxManifoldPoints;t<e;++t)this.points[t].Copy(o.points[t]);return this.localNormal.Copy(o.localNormal),this.localPoint.Copy(o.localPoint),this.type=o.type,this},goog.exportProperty(box2d.b2Manifold.prototype,"Copy",box2d.b2Manifold.prototype.Copy),box2d.b2Manifold.prototype.Clone=function(){return(new box2d.b2Manifold).Copy(this)},goog.exportProperty(box2d.b2Manifold.prototype,"Clone",box2d.b2Manifold.prototype.Clone),box2d.b2WorldManifold=function(){this.normal=new box2d.b2Vec2,this.points=box2d.b2Vec2.MakeArray(box2d.b2_maxManifoldPoints),this.separations=box2d.b2MakeNumberArray(box2d.b2_maxManifoldPoints)},goog.exportSymbol("box2d.b2WorldManifold",box2d.b2WorldManifold),box2d.b2WorldManifold.prototype.normal=null,goog.exportProperty(box2d.b2WorldManifold.prototype,"normal",box2d.b2WorldManifold.prototype.normal),box2d.b2WorldManifold.prototype.points=null,goog.exportProperty(box2d.b2WorldManifold.prototype,"points",box2d.b2WorldManifold.prototype.points),box2d.b2WorldManifold.prototype.separations=null,goog.exportProperty(box2d.b2WorldManifold.prototype,"separations",box2d.b2WorldManifold.prototype.separations),box2d.b2WorldManifold.prototype.Initialize=function(o,t,e,r,i){if(0!==o.pointCount)switch(o.type){case box2d.b2ManifoldType.e_circles:this.normal.Set(1,0),t=box2d.b2Mul_X_V2(t,o.localPoint,box2d.b2WorldManifold.prototype.Initialize.s_pointA),o=box2d.b2Mul_X_V2(r,o.points[0].localPoint,box2d.b2WorldManifold.prototype.Initialize.s_pointB),box2d.b2DistanceSquared(t,o)>box2d.b2_epsilon_sq&&box2d.b2Sub_V2_V2(o,t,this.normal).SelfNormalize();var n=box2d.b2AddMul_V2_S_V2(t,e,this.normal,box2d.b2WorldManifold.prototype.Initialize.s_cA),p=box2d.b2SubMul_V2_S_V2(o,i,this.normal,box2d.b2WorldManifold.prototype.Initialize.s_cB);box2d.b2Mid_V2_V2(n,p,this.points[0]),this.separations[0]=box2d.b2Dot_V2_V2(box2d.b2Sub_V2_V2(p,n,box2d.b2Vec2.s_t0),this.normal);break;case box2d.b2ManifoldType.e_faceA:box2d.b2Mul_R_V2(t.q,o.localNormal,this.normal);for(var s=box2d.b2Mul_X_V2(t,o.localPoint,box2d.b2WorldManifold.prototype.Initialize.s_planePoint),l=0,x=o.pointCount;l<x;++l){var y=box2d.b2Mul_X_V2(r,o.points[l].localPoint,box2d.b2WorldManifold.prototype.Initialize.s_clipPoint);n=e-box2d.b2Dot_V2_V2(box2d.b2Sub_V2_V2(y,s,box2d.b2Vec2.s_t0),this.normal),n=box2d.b2AddMul_V2_S_V2(y,n,this.normal,box2d.b2WorldManifold.prototype.Initialize.s_cA),p=box2d.b2SubMul_V2_S_V2(y,i,this.normal,box2d.b2WorldManifold.prototype.Initialize.s_cB);box2d.b2Mid_V2_V2(n,p,this.points[l]),this.separations[l]=box2d.b2Dot_V2_V2(box2d.b2Sub_V2_V2(p,n,box2d.b2Vec2.s_t0),this.normal)}break;case box2d.b2ManifoldType.e_faceB:for(box2d.b2Mul_R_V2(r.q,o.localNormal,this.normal),s=box2d.b2Mul_X_V2(r,o.localPoint,box2d.b2WorldManifold.prototype.Initialize.s_planePoint),l=0,x=o.pointCount;l<x;++l)y=box2d.b2Mul_X_V2(t,o.points[l].localPoint,box2d.b2WorldManifold.prototype.Initialize.s_clipPoint),n=i-box2d.b2Dot_V2_V2(box2d.b2Sub_V2_V2(y,s,box2d.b2Vec2.s_t0),this.normal),p=box2d.b2AddMul_V2_S_V2(y,n,this.normal,box2d.b2WorldManifold.prototype.Initialize.s_cB),n=box2d.b2SubMul_V2_S_V2(y,e,this.normal,box2d.b2WorldManifold.prototype.Initialize.s_cA),box2d.b2Mid_V2_V2(n,p,this.points[l]),this.separations[l]=box2d.b2Dot_V2_V2(box2d.b2Sub_V2_V2(n,p,box2d.b2Vec2.s_t0),this.normal);this.normal.SelfNeg()}},goog.exportProperty(box2d.b2WorldManifold.prototype,"Initialize",box2d.b2WorldManifold.prototype.Initialize),box2d.b2WorldManifold.prototype.Initialize.s_pointA=new box2d.b2Vec2,box2d.b2WorldManifold.prototype.Initialize.s_pointB=new box2d.b2Vec2,box2d.b2WorldManifold.prototype.Initialize.s_cA=new box2d.b2Vec2,box2d.b2WorldManifold.prototype.Initialize.s_cB=new box2d.b2Vec2,box2d.b2WorldManifold.prototype.Initialize.s_planePoint=new box2d.b2Vec2,box2d.b2WorldManifold.prototype.Initialize.s_clipPoint=new box2d.b2Vec2,box2d.b2PointState={b2_nullState:0,b2_addState:1,b2_persistState:2,b2_removeState:3},goog.exportSymbol("box2d.b2PointState",box2d.b2PointState),goog.exportProperty(box2d.b2PointState,"b2_nullState   ",box2d.b2PointState.b2_nullState),goog.exportProperty(box2d.b2PointState,"b2_addState    ",box2d.b2PointState.b2_addState),goog.exportProperty(box2d.b2PointState,"b2_persistState",box2d.b2PointState.b2_persistState),goog.exportProperty(box2d.b2PointState,"b2_removeState ",box2d.b2PointState.b2_removeState),box2d.b2GetPointStates=function(o,t,e,r){for(var i=0,n=e.pointCount;i<n;++i){var p=(p=e.points[i].id).key;o[i]=box2d.b2PointState.b2_removeState;for(var s=0,l=r.pointCount;s<l;++s)if(r.points[s].id.key===p){o[i]=box2d.b2PointState.b2_persistState;break}}for(n=box2d.b2_maxManifoldPoints;i<n;++i)o[i]=box2d.b2PointState.b2_nullState;for(i=0,n=r.pointCount;i<n;++i)for(p=(p=r.points[i].id).key,t[i]=box2d.b2PointState.b2_addState,s=0,l=e.pointCount;s<l;++s)if(e.points[s].id.key===p){t[i]=box2d.b2PointState.b2_persistState;break}for(n=box2d.b2_maxManifoldPoints;i<n;++i)t[i]=box2d.b2PointState.b2_nullState},goog.exportSymbol("box2d.b2GetPointStates",box2d.b2GetPointStates),box2d.b2ClipVertex=function(){this.v=new box2d.b2Vec2,this.id=new box2d.b2ContactID},goog.exportSymbol("box2d.b2ClipVertex",box2d.b2ClipVertex),box2d.b2ClipVertex.prototype.v=null,goog.exportProperty(box2d.b2ClipVertex.prototype,"v",box2d.b2ClipVertex.prototype.v),box2d.b2ClipVertex.prototype.id=null,goog.exportProperty(box2d.b2ClipVertex.prototype,"id",box2d.b2ClipVertex.prototype.id),box2d.b2ClipVertex.MakeArray=function(o){return box2d.b2MakeArray(o,(function(o){return new box2d.b2ClipVertex}))},goog.exportProperty(box2d.b2ClipVertex,"MakeArray",box2d.b2ClipVertex.MakeArray),box2d.b2ClipVertex.prototype.Copy=function(o){return this.v.Copy(o.v),this.id.Copy(o.id),this},goog.exportProperty(box2d.b2ClipVertex.prototype,"Copy",box2d.b2ClipVertex.prototype.Copy),box2d.b2RayCastInput=function(){this.p1=new box2d.b2Vec2,this.p2=new box2d.b2Vec2,this.maxFraction=1},goog.exportSymbol("box2d.b2RayCastInput",box2d.b2RayCastInput),box2d.b2RayCastInput.prototype.p1=null,goog.exportProperty(box2d.b2RayCastInput.prototype,"p1",box2d.b2RayCastInput.prototype.p1),box2d.b2RayCastInput.prototype.p2=null,goog.exportProperty(box2d.b2RayCastInput.prototype,"p2",box2d.b2RayCastInput.prototype.p2),box2d.b2RayCastInput.prototype.maxFraction=1,goog.exportProperty(box2d.b2RayCastInput.prototype,"maxFraction",box2d.b2RayCastInput.prototype.maxFraction),box2d.b2RayCastInput.prototype.Copy=function(o){return 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box2d.b2Vec2,this.sideOffset2=0},goog.exportSymbol("box2d.b2ReferenceFace",box2d.b2ReferenceFace),box2d.b2ReferenceFace.prototype.i1=0,goog.exportProperty(box2d.b2ReferenceFace.prototype,"i1",box2d.b2ReferenceFace.prototype.i1),box2d.b2ReferenceFace.prototype.i2=0,goog.exportProperty(box2d.b2ReferenceFace.prototype,"i2",box2d.b2ReferenceFace.prototype.i2),box2d.b2ReferenceFace.prototype.v1=null,goog.exportProperty(box2d.b2ReferenceFace.prototype,"v1",box2d.b2ReferenceFace.prototype.v1),box2d.b2ReferenceFace.prototype.v2=null,goog.exportProperty(box2d.b2ReferenceFace.prototype,"v2",box2d.b2ReferenceFace.prototype.v2),box2d.b2ReferenceFace.prototype.normal=null,goog.exportProperty(box2d.b2ReferenceFace.prototype,"normal",box2d.b2ReferenceFace.prototype.normal),box2d.b2ReferenceFace.prototype.sideNormal1=null,goog.exportProperty(box2d.b2ReferenceFace.prototype,"sideNormal1",box2d.b2ReferenceFace.prototype.sideNormal1),box2d.b2ReferenceFace.prototype.sideOffset1=0,goog.exportProperty(box2d.b2ReferenceFace.prototype,"sideOffset1",box2d.b2ReferenceFace.prototype.sideOffset1),box2d.b2ReferenceFace.prototype.sideNormal2=null,goog.exportProperty(box2d.b2ReferenceFace.prototype,"sideNormal2",box2d.b2ReferenceFace.prototype.sideNormal2),box2d.b2ReferenceFace.prototype.sideOffset2=0,goog.exportProperty(box2d.b2ReferenceFace.prototype,"sideOffset2",box2d.b2ReferenceFace.prototype.sideOffset2),box2d.b2EPColliderVertexType={e_isolated:0,e_concave:1,e_convex:2},goog.exportSymbol("box2d.b2EPColliderVertexType",box2d.b2EPColliderVertexType),goog.exportProperty(box2d.b2EPColliderVertexType,"e_isolated",box2d.b2EPColliderVertexType.e_isolated),goog.exportProperty(box2d.b2EPColliderVertexType,"e_concave",box2d.b2EPColliderVertexType.e_concave),goog.exportProperty(box2d.b2EPColliderVertexType,"e_convex",box2d.b2EPColliderVertexType.e_convex),box2d.b2EPCollider=function(){this.m_polygonB=new box2d.b2TempPolygon,this.m_xf=new box2d.b2Transform,this.m_centroidB=new box2d.b2Vec2,this.m_v0=new box2d.b2Vec2,this.m_v1=new box2d.b2Vec2,this.m_v2=new box2d.b2Vec2,this.m_v3=new box2d.b2Vec2,this.m_normal0=new box2d.b2Vec2,this.m_normal1=new box2d.b2Vec2,this.m_normal2=new box2d.b2Vec2,this.m_normal=new box2d.b2Vec2,this.m_type2=this.m_type1=box2d.b2EPColliderVertexType.e_isolated,this.m_lowerLimit=new box2d.b2Vec2,this.m_upperLimit=new box2d.b2Vec2,this.m_radius=0,this.m_front=!1},goog.exportSymbol("box2d.b2EPCollider",box2d.b2EPCollider),box2d.b2EPCollider.prototype.m_polygonB=null,goog.exportProperty(box2d.b2EPCollider.prototype,"m_polygonB",box2d.b2EPCollider.prototype.m_polygonB),box2d.b2EPCollider.prototype.m_xf=null,goog.exportProperty(box2d.b2EPCollider.prototype,"m_xf",box2d.b2EPCollider.prototype.m_xf),box2d.b2EPCollider.prototype.m_centroidB=null,goog.exportProperty(box2d.b2EPCollider.prototype,"m_centroidB",box2d.b2EPCollider.prototype.m_centroidB),box2d.b2EPCollider.prototype.m_v0=null,goog.exportProperty(box2d.b2EPCollider.prototype,"m_v0",box2d.b2EPCollider.prototype.m_v0),box2d.b2EPCollider.prototype.m_v1=null,goog.exportProperty(box2d.b2EPCollider.prototype,"m_v1",box2d.b2EPCollider.prototype.m_v1),box2d.b2EPCollider.prototype.m_v2=null,goog.exportProperty(box2d.b2EPCollider.prototype,"m_v2",box2d.b2EPCollider.prototype.m_v2),box2d.b2EPCollider.prototype.m_v3=null,goog.exportProperty(box2d.b2EPCollider.prototype,"m_v3",box2d.b2EPCollider.prototype.m_v3),box2d.b2EPCollider.prototype.m_normal0=null,goog.exportProperty(box2d.b2EPCollider.prototype,"m_normal0",box2d.b2EPCollider.prototype.m_normal0),box2d.b2EPCollider.prototype.m_normal1=null,goog.exportProperty(box2d.b2EPCollider.prototype,"m_normal1",box2d.b2EPCollider.prototype.m_normal1),box2d.b2EPCollider.prototype.m_normal2=null,goog.exportProperty(box2d.b2EPCollider.prototype,"m_normal2",box2d.b2EPCollider.prototype.m_normal2),box2d.b2EPCollider.prototype.m_normal=null,goog.exportProperty(box2d.b2EPCollider.prototype,"m_normal",box2d.b2EPCollider.prototype.m_normal),box2d.b2EPCollider.prototype.m_type1=box2d.b2EPColliderVertexType.e_isolated,goog.exportProperty(box2d.b2EPCollider.prototype,"m_type1",box2d.b2EPCollider.prototype.m_type1),box2d.b2EPCollider.prototype.m_type2=box2d.b2EPColliderVertexType.e_isolated,goog.exportProperty(box2d.b2EPCollider.prototype,"m_type2",box2d.b2EPCollider.prototype.m_type2),box2d.b2EPCollider.prototype.m_lowerLimit=null,goog.exportProperty(box2d.b2EPCollider.prototype,"m_lowerLimit",box2d.b2EPCollider.prototype.m_lowerLimit),box2d.b2EPCollider.prototype.m_upperLimit=null,goog.exportProperty(box2d.b2EPCollider.prototype,"m_upperLimit",box2d.b2EPCollider.prototype.m_upperLimit),box2d.b2EPCollider.prototype.m_radius=0,goog.exportProperty(box2d.b2EPCollider.prototype,"m_radius",box2d.b2EPCollider.prototype.m_radius),box2d.b2EPCollider.prototype.m_front=!1,goog.exportProperty(box2d.b2EPCollider.prototype,"m_front",box2d.b2EPCollider.prototype.m_front),box2d.b2EPCollider.prototype.Collide=function(o,t,e,r,i){box2d.b2MulT_X_X(e,i,this.m_xf),box2d.b2Mul_X_V2(this.m_xf,r.m_centroid,this.m_centroidB),this.m_v0.Copy(t.m_vertex0),this.m_v1.Copy(t.m_vertex1),this.m_v2.Copy(t.m_vertex2),this.m_v3.Copy(t.m_vertex3),e=t.m_hasVertex0,t=t.m_hasVertex3,(i=box2d.b2Sub_V2_V2(this.m_v2,this.m_v1,box2d.b2EPCollider.s_edge1)).Normalize(),this.m_normal1.Set(i.y,-i.x);var n=box2d.b2Dot_V2_V2(this.m_normal1,box2d.b2Sub_V2_V2(this.m_centroidB,this.m_v1,box2d.b2Vec2.s_t0)),p=0,s=0,l=!1,x=!1;for(e&&((p=box2d.b2Sub_V2_V2(this.m_v1,this.m_v0,box2d.b2EPCollider.s_edge0)).Normalize(),this.m_normal0.Set(p.y,-p.x),l=0<=box2d.b2Cross_V2_V2(p,i),p=box2d.b2Dot_V2_V2(this.m_normal0,box2d.b2Sub_V2_V2(this.m_centroidB,this.m_v0,box2d.b2Vec2.s_t0))),t&&((s=box2d.b2Sub_V2_V2(this.m_v3,this.m_v2,box2d.b2EPCollider.s_edge2)).Normalize(),this.m_normal2.Set(s.y,-s.x),x=0<box2d.b2Cross_V2_V2(i,s),s=box2d.b2Dot_V2_V2(this.m_normal2,box2d.b2Sub_V2_V2(this.m_centroidB,this.m_v2,box2d.b2Vec2.s_t0))),e&&t?l&&x?(this.m_front=0<=p||0<=n||0<=s)?(this.m_normal.Copy(this.m_normal1),this.m_lowerLimit.Copy(this.m_normal0),this.m_upperLimit.Copy(this.m_normal2)):(this.m_normal.Copy(this.m_normal1).SelfNeg(),this.m_lowerLimit.Copy(this.m_normal1).SelfNeg(),this.m_upperLimit.Copy(this.m_normal1).SelfNeg()):l?(this.m_front=0<=p||0<=n&&0<=s)?(this.m_normal.Copy(this.m_normal1),this.m_lowerLimit.Copy(this.m_normal0),this.m_upperLimit.Copy(this.m_normal1)):(this.m_normal.Copy(this.m_normal1).SelfNeg(),this.m_lowerLimit.Copy(this.m_normal2).SelfNeg(),this.m_upperLimit.Copy(this.m_normal1).SelfNeg()):x?(this.m_front=0<=s||0<=p&&0<=n)?(this.m_normal.Copy(this.m_normal1),this.m_lowerLimit.Copy(this.m_normal1),this.m_upperLimit.Copy(this.m_normal2)):(this.m_normal.Copy(this.m_normal1).SelfNeg(),this.m_lowerLimit.Copy(this.m_normal1).SelfNeg(),this.m_upperLimit.Copy(this.m_normal0).SelfNeg()):(this.m_front=0<=p&&0<=n&&0<=s)?(this.m_normal.Copy(this.m_normal1),this.m_lowerLimit.Copy(this.m_normal1),this.m_upperLimit.Copy(this.m_normal1)):(this.m_normal.Copy(this.m_normal1).SelfNeg(),this.m_lowerLimit.Copy(this.m_normal2).SelfNeg(),this.m_upperLimit.Copy(this.m_normal0).SelfNeg()):e?l?((this.m_front=0<=p||0<=n)?(this.m_normal.Copy(this.m_normal1),this.m_lowerLimit.Copy(this.m_normal0)):(this.m_normal.Copy(this.m_normal1).SelfNeg(),this.m_lowerLimit.Copy(this.m_normal1)),this.m_upperLimit.Copy(this.m_normal1).SelfNeg()):(this.m_front=0<=p&&0<=n)?(this.m_normal.Copy(this.m_normal1),this.m_lowerLimit.Copy(this.m_normal1),this.m_upperLimit.Copy(this.m_normal1).SelfNeg()):(this.m_normal.Copy(this.m_normal1).SelfNeg(),this.m_lowerLimit.Copy(this.m_normal1),this.m_upperLimit.Copy(this.m_normal0).SelfNeg()):t?x?(this.m_front=0<=n||0<=s)?(this.m_normal.Copy(this.m_normal1),this.m_lowerLimit.Copy(this.m_normal1).SelfNeg(),this.m_upperLimit.Copy(this.m_normal2)):(this.m_normal.Copy(this.m_normal1).SelfNeg(),this.m_lowerLimit.Copy(this.m_normal1).SelfNeg(),this.m_upperLimit.Copy(this.m_normal1)):((this.m_front=0<=n&&0<=s)?(this.m_normal.Copy(this.m_normal1),this.m_lowerLimit.Copy(this.m_normal1).SelfNeg()):(this.m_normal.Copy(this.m_normal1).SelfNeg(),this.m_lowerLimit.Copy(this.m_normal2).SelfNeg()),this.m_upperLimit.Copy(this.m_normal1)):(this.m_front=0<=n)?(this.m_normal.Copy(this.m_normal1),this.m_lowerLimit.Copy(this.m_normal1).SelfNeg(),this.m_upperLimit.Copy(this.m_normal1).SelfNeg()):(this.m_normal.Copy(this.m_normal1).SelfNeg(),this.m_lowerLimit.Copy(this.m_normal1),this.m_upperLimit.Copy(this.m_normal1)),this.m_polygonB.count=r.m_count,n=0,p=r.m_count;n<p;++n)box2d.b2Mul_X_V2(this.m_xf,r.m_vertices[n],this.m_polygonB.vertices[n]),box2d.b2Mul_R_V2(this.m_xf.q,r.m_normals[n],this.m_polygonB.normals[n]);if(this.m_radius=2*box2d.b2_polygonRadius,o.pointCount=0,!((e=this.ComputeEdgeSeparation(box2d.b2EPCollider.s_edgeAxis)).type===box2d.b2EPAxisType.e_unknown||e.separation>this.m_radius||(t=this.ComputePolygonSeparation(box2d.b2EPCollider.s_polygonAxis),t.type!==box2d.b2EPAxisType.e_unknown&&t.separation>this.m_radius))){if(e=t.type===box2d.b2EPAxisType.e_unknown?e:t.separation>.98*e.separation+.001?t:e,i=box2d.b2EPCollider.s_ie,t=box2d.b2EPCollider.s_rf,e.type===box2d.b2EPAxisType.e_edgeA){for(o.type=box2d.b2ManifoldType.e_faceA,s=0,l=box2d.b2Dot_V2_V2(this.m_normal,this.m_polygonB.normals[0]),n=1,p=this.m_polygonB.count;n<p;++n)(x=box2d.b2Dot_V2_V2(this.m_normal,this.m_polygonB.normals[n]))<l&&(l=x,s=n);n=((p=s)+1)%this.m_polygonB.count,(s=i[0]).v.Copy(this.m_polygonB.vertices[p]),s.id.cf.indexA=0,s.id.cf.indexB=p,s.id.cf.typeA=box2d.b2ContactFeatureType.e_face,s.id.cf.typeB=box2d.b2ContactFeatureType.e_vertex,(p=i[1]).v.Copy(this.m_polygonB.vertices[n]),p.id.cf.indexA=0,p.id.cf.indexB=n,p.id.cf.typeA=box2d.b2ContactFeatureType.e_face,p.id.cf.typeB=box2d.b2ContactFeatureType.e_vertex,this.m_front?(t.i1=0,t.i2=1,t.v1.Copy(this.m_v1),t.v2.Copy(this.m_v2),t.normal.Copy(this.m_normal1)):(t.i1=1,t.i2=0,t.v1.Copy(this.m_v2),t.v2.Copy(this.m_v1),t.normal.Copy(this.m_normal1).SelfNeg())}else o.type=box2d.b2ManifoldType.e_faceB,(s=i[0]).v.Copy(this.m_v1),s.id.cf.indexA=0,s.id.cf.indexB=e.index,s.id.cf.typeA=box2d.b2ContactFeatureType.e_vertex,s.id.cf.typeB=box2d.b2ContactFeatureType.e_face,(p=i[1]).v.Copy(this.m_v2),p.id.cf.indexA=0,p.id.cf.indexB=e.index,p.id.cf.typeA=box2d.b2ContactFeatureType.e_vertex,p.id.cf.typeB=box2d.b2ContactFeatureType.e_face,t.i1=e.index,t.i2=(t.i1+1)%this.m_polygonB.count,t.v1.Copy(this.m_polygonB.vertices[t.i1]),t.v2.Copy(this.m_polygonB.vertices[t.i2]),t.normal.Copy(this.m_polygonB.normals[t.i1]);if(t.sideNormal1.Set(t.normal.y,-t.normal.x),t.sideNormal2.Copy(t.sideNormal1).SelfNeg(),t.sideOffset1=box2d.b2Dot_V2_V2(t.sideNormal1,t.v1),t.sideOffset2=box2d.b2Dot_V2_V2(t.sideNormal2,t.v2),n=box2d.b2EPCollider.s_clipPoints1,s=box2d.b2EPCollider.s_clipPoints2,p=0,!((p=box2d.b2ClipSegmentToLine(n,i,t.sideNormal1,t.sideOffset1,t.i1))<box2d.b2_maxManifoldPoints||(p=box2d.b2ClipSegmentToLine(s,n,t.sideNormal2,t.sideOffset2,t.i2),p<box2d.b2_maxManifoldPoints))){for(e.type===box2d.b2EPAxisType.e_edgeA?(o.localNormal.Copy(t.normal),o.localPoint.Copy(t.v1)):(o.localNormal.Copy(r.m_normals[t.i1]),o.localPoint.Copy(r.m_vertices[t.i1])),n=r=0,p=box2d.b2_maxManifoldPoints;n<p;++n)box2d.b2Dot_V2_V2(t.normal,box2d.b2Sub_V2_V2(s[n].v,t.v1,box2d.b2Vec2.s_t0))<=this.m_radius&&(i=o.points[r],e.type===box2d.b2EPAxisType.e_edgeA?(box2d.b2MulT_X_V2(this.m_xf,s[n].v,i.localPoint),i.id=s[n].id):(i.localPoint.Copy(s[n].v),i.id.cf.typeA=s[n].id.cf.typeB,i.id.cf.typeB=s[n].id.cf.typeA,i.id.cf.indexA=s[n].id.cf.indexB,i.id.cf.indexB=s[n].id.cf.indexA),++r);o.pointCount=r}}},goog.exportProperty(box2d.b2EPCollider.prototype,"Collide",box2d.b2EPCollider.prototype.Collide),box2d.b2EPCollider.s_edge1=new box2d.b2Vec2,box2d.b2EPCollider.s_edge0=new box2d.b2Vec2,box2d.b2EPCollider.s_edge2=new box2d.b2Vec2,box2d.b2EPCollider.s_ie=box2d.b2ClipVertex.MakeArray(2),box2d.b2EPCollider.s_rf=new box2d.b2ReferenceFace,box2d.b2EPCollider.s_clipPoints1=box2d.b2ClipVertex.MakeArray(2),box2d.b2EPCollider.s_clipPoints2=box2d.b2ClipVertex.MakeArray(2),box2d.b2EPCollider.s_edgeAxis=new box2d.b2EPAxis,box2d.b2EPCollider.s_polygonAxis=new box2d.b2EPAxis,box2d.b2EPCollider.prototype.ComputeEdgeSeparation=function(o){o.type=box2d.b2EPAxisType.e_edgeA,o.index=this.m_front?0:1,o.separation=box2d.b2_maxFloat;for(var t=0,e=this.m_polygonB.count;t<e;++t){var r=box2d.b2Dot_V2_V2(this.m_normal,box2d.b2Sub_V2_V2(this.m_polygonB.vertices[t],this.m_v1,box2d.b2Vec2.s_t0));r<o.separation&&(o.separation=r)}return o},goog.exportProperty(box2d.b2EPCollider.prototype,"ComputeEdgeSeparation",box2d.b2EPCollider.prototype.ComputeEdgeSeparation),box2d.b2EPCollider.prototype.ComputePolygonSeparation=function(o){o.type=box2d.b2EPAxisType.e_unknown,o.index=-1,o.separation=-box2d.b2_maxFloat;for(var t=box2d.b2EPCollider.s_perp.Set(-this.m_normal.y,this.m_normal.x),e=0,r=this.m_polygonB.count;e<r;++e){var i=box2d.b2EPCollider.s_n.Copy(this.m_polygonB.normals[e]).SelfNeg(),n=box2d.b2Dot_V2_V2(i,box2d.b2Sub_V2_V2(this.m_polygonB.vertices[e],this.m_v1,box2d.b2Vec2.s_t0)),p=box2d.b2Dot_V2_V2(i,box2d.b2Sub_V2_V2(this.m_polygonB.vertices[e],this.m_v2,box2d.b2Vec2.s_t0));if((n=box2d.b2Min(n,p))>this.m_radius){o.type=box2d.b2EPAxisType.e_edgeB,o.index=e,o.separation=n;break}if(0<=box2d.b2Dot_V2_V2(i,t)){if(box2d.b2Dot_V2_V2(box2d.b2Sub_V2_V2(i,this.m_upperLimit,box2d.b2Vec2.s_t0),this.m_normal)<-box2d.b2_angularSlop)continue}else if(box2d.b2Dot_V2_V2(box2d.b2Sub_V2_V2(i,this.m_lowerLimit,box2d.b2Vec2.s_t0),this.m_normal)<-box2d.b2_angularSlop)continue;n>o.separation&&(o.type=box2d.b2EPAxisType.e_edgeB,o.index=e,o.separation=n)}return o},goog.exportProperty(box2d.b2EPCollider.prototype,"ComputePolygonSeparation",box2d.b2EPCollider.prototype.ComputePolygonSeparation),box2d.b2EPCollider.s_n=new box2d.b2Vec2,box2d.b2EPCollider.s_perp=new box2d.b2Vec2,box2d.b2CollideEdgeAndPolygon=function(o,t,e,r,i){box2d.b2CollideEdgeAndPolygon.s_collider.Collide(o,t,e,r,i)},goog.exportSymbol("box2d.b2CollideEdgeAndPolygon",box2d.b2CollideEdgeAndPolygon),box2d.b2CollideEdgeAndPolygon.s_collider=new box2d.b2EPCollider,box2d.b2CollidePolygon={},box2d.b2FindMaxSeparation=function(o,t,e,r,i){var n=t.m_count,p=r.m_count,s=t.m_normals;t=t.m_vertices,r=r.m_vertices,e=box2d.b2MulT_X_X(i,e,box2d.b2FindMaxSeparation.s_xf),i=0;for(var l=-box2d.b2_maxFloat,x=0;x<n;++x){for(var y=box2d.b2Mul_R_V2(e.q,s[x],box2d.b2FindMaxSeparation.s_n),_=box2d.b2Mul_X_V2(e,t[x],box2d.b2FindMaxSeparation.s_v1),m=box2d.b2_maxFloat,u=0;u<p;++u){var h=box2d.b2Dot_V2_V2(y,box2d.b2Sub_V2_V2(r[u],_,box2d.b2Vec2.s_t0));h<m&&(m=h)}m>l&&(l=m,i=x)}return o[0]=i,l},goog.exportSymbol("box2d.b2FindMaxSeparation",box2d.b2FindMaxSeparation),box2d.b2FindMaxSeparation.s_xf=new box2d.b2Transform,box2d.b2FindMaxSeparation.s_n=new box2d.b2Vec2,box2d.b2FindMaxSeparation.s_v1=new box2d.b2Vec2,box2d.b2FindIncidentEdge=function(o,t,e,r,i,n){var p=t.m_count,s=t.m_normals,l=i.m_count;t=i.m_vertices,i=i.m_normals,box2d.ENABLE_ASSERTS&&box2d.b2Assert(0<=r&&r<p),e=box2d.b2MulT_R_V2(n.q,box2d.b2Mul_R_V2(e.q,s[r],box2d.b2Vec2.s_t0),box2d.b2FindIncidentEdge.s_normal1);p=0,s=box2d.b2_maxFloat;for(var x=0;x<l;++x){var 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box2d.b2Shape.prototype.Copy.call(this,o),box2d.ENABLE_ASSERTS&&box2d.b2Assert(o instanceof box2d.b2CircleShape),this.m_p.Copy(o.m_p),this},goog.exportProperty(box2d.b2CircleShape.prototype,"Copy",box2d.b2CircleShape.prototype.Copy),box2d.b2CircleShape.prototype.GetChildCount=function(){return 1},goog.exportProperty(box2d.b2CircleShape.prototype,"GetChildCount",box2d.b2CircleShape.prototype.GetChildCount),box2d.b2CircleShape.prototype.TestPoint=function(o,t){var e=box2d.b2Mul_X_V2(o,this.m_p,box2d.b2CircleShape.prototype.TestPoint.s_center);e=box2d.b2Sub_V2_V2(t,e,box2d.b2CircleShape.prototype.TestPoint.s_d);return box2d.b2Dot_V2_V2(e,e)<=box2d.b2Sq(this.m_radius)},goog.exportProperty(box2d.b2CircleShape.prototype,"TestPoint",box2d.b2CircleShape.prototype.TestPoint),box2d.b2CircleShape.prototype.TestPoint.s_center=new box2d.b2Vec2,box2d.b2CircleShape.prototype.TestPoint.s_d=new box2d.b2Vec2,box2d.b2CircleShape.prototype.ComputeDistance=function(o,t,e,r){return o=box2d.b2Mul_X_V2(o,this.m_p,box2d.b2CircleShape.prototype.ComputeDistance.s_center),box2d.b2Sub_V2_V2(t,o,e),e.Normalize()-this.m_radius},goog.exportProperty(box2d.b2CircleShape.prototype,"ComputeDistance",box2d.b2CircleShape.prototype.ComputeDistance),box2d.b2CircleShape.prototype.ComputeDistance.s_center=new box2d.b2Vec2,box2d.b2CircleShape.prototype.RayCast=function(o,t,e,r){e=box2d.b2Mul_X_V2(e,this.m_p,box2d.b2CircleShape.prototype.RayCast.s_position),e=box2d.b2Sub_V2_V2(t.p1,e,box2d.b2CircleShape.prototype.RayCast.s_s);var i=box2d.b2Dot_V2_V2(e,e)-box2d.b2Sq(this.m_radius);r=box2d.b2Sub_V2_V2(t.p2,t.p1,box2d.b2CircleShape.prototype.RayCast.s_r);var n=box2d.b2Dot_V2_V2(e,r),p=box2d.b2Dot_V2_V2(r,r);return!(0>(i=n*n-p*i)||p<box2d.b2_epsilon)&&(0<=(n=-(n+box2d.b2Sqrt(i)))&&n<=t.maxFraction*p&&(n/=p,o.fraction=n,box2d.b2AddMul_V2_S_V2(e,n,r,o.normal).SelfNormalize(),!0))},goog.exportProperty(box2d.b2CircleShape.prototype,"RayCast",box2d.b2CircleShape.prototype.RayCast),box2d.b2CircleShape.prototype.RayCast.s_position=new box2d.b2Vec2,box2d.b2CircleShape.prototype.RayCast.s_s=new box2d.b2Vec2,box2d.b2CircleShape.prototype.RayCast.s_r=new box2d.b2Vec2,box2d.b2CircleShape.prototype.ComputeAABB=function(o,t,e){t=box2d.b2Mul_X_V2(t,this.m_p,box2d.b2CircleShape.prototype.ComputeAABB.s_p),o.lowerBound.Set(t.x-this.m_radius,t.y-this.m_radius),o.upperBound.Set(t.x+this.m_radius,t.y+this.m_radius)},goog.exportProperty(box2d.b2CircleShape.prototype,"ComputeAABB",box2d.b2CircleShape.prototype.ComputeAABB),box2d.b2CircleShape.prototype.ComputeAABB.s_p=new box2d.b2Vec2,box2d.b2CircleShape.prototype.ComputeMass=function(o,t){var e=box2d.b2Sq(this.m_radius);o.mass=t*box2d.b2_pi*e,o.center.Copy(this.m_p),o.I=o.mass*(.5*e+box2d.b2Dot_V2_V2(this.m_p,this.m_p))},goog.exportProperty(box2d.b2CircleShape.prototype,"ComputeMass",box2d.b2CircleShape.prototype.ComputeMass),box2d.b2CircleShape.prototype.SetupDistanceProxy=function(o,t){o.m_vertices=o.m_buffer,o.m_vertices[0].Copy(this.m_p),o.m_count=1,o.m_radius=this.m_radius},box2d.b2CircleShape.prototype.ComputeSubmergedArea=function(o,t,e,r){if(e=box2d.b2Mul_X_V2(e,this.m_p,new box2d.b2Vec2),(n=-(box2d.b2Dot_V2_V2(o,e)-t))<-this.m_radius+box2d.b2_epsilon)return 0;if(n>this.m_radius)return r.Copy(e),box2d.b2_pi*this.m_radius*this.m_radius;var i=n*n,n=(t=this.m_radius*this.m_radius)*(box2d.b2Asin(n/this.m_radius)+box2d.b2_pi/2)+n*box2d.b2Sqrt(t-i);return t=-2/3*box2d.b2Pow(t-i,1.5)/n,r.x=e.x+o.x*t,r.y=e.y+o.y*t,n},goog.exportProperty(box2d.b2CircleShape.prototype,"ComputeSubmergedArea",box2d.b2CircleShape.prototype.ComputeSubmergedArea),box2d.b2CircleShape.prototype.Dump=function(){box2d.b2Log("    /*box2d.b2CircleShape*/ var shape = new box2d.b2CircleShape();\n"),box2d.b2Log("    shape.m_radius = %.15f;\n",this.m_radius),box2d.b2Log("    shape.m_p.Set(%.15f, %.15f);\n",this.m_p.x,this.m_p.y)},goog.exportProperty(box2d.b2CircleShape.prototype,"Dump",box2d.b2CircleShape.prototype.Dump),box2d.b2EdgeShape=function(){box2d.b2Shape.call(this,box2d.b2ShapeType.e_edgeShape,box2d.b2_polygonRadius),this.m_vertex1=new box2d.b2Vec2,this.m_vertex2=new box2d.b2Vec2,this.m_vertex0=new box2d.b2Vec2,this.m_vertex3=new 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this.m_vertex1.Copy(o),this.m_vertex2.Copy(t),this.m_hasVertex3=this.m_hasVertex0=!1,this},goog.exportProperty(box2d.b2EdgeShape.prototype,"Set",box2d.b2EdgeShape.prototype.Set),box2d.b2EdgeShape.prototype.SetAsEdge=box2d.b2EdgeShape.prototype.Set,box2d.b2EdgeShape.prototype.Clone=function(){return(new box2d.b2EdgeShape).Copy(this)},goog.exportProperty(box2d.b2EdgeShape.prototype,"Clone",box2d.b2EdgeShape.prototype.Clone),box2d.b2EdgeShape.prototype.Copy=function(o){return box2d.b2Shape.prototype.Copy.call(this,o),box2d.ENABLE_ASSERTS&&box2d.b2Assert(o instanceof box2d.b2EdgeShape),this.m_vertex1.Copy(o.m_vertex1),this.m_vertex2.Copy(o.m_vertex2),this.m_vertex0.Copy(o.m_vertex0),this.m_vertex3.Copy(o.m_vertex3),this.m_hasVertex0=o.m_hasVertex0,this.m_hasVertex3=o.m_hasVertex3,this},goog.exportProperty(box2d.b2EdgeShape.prototype,"Copy",box2d.b2EdgeShape.prototype.Copy),box2d.b2EdgeShape.prototype.GetChildCount=function(){return 1},goog.exportProperty(box2d.b2EdgeShape.prototype,"GetChildCount",box2d.b2EdgeShape.prototype.GetChildCount),box2d.b2EdgeShape.prototype.TestPoint=function(o,t){return!1},goog.exportProperty(box2d.b2EdgeShape.prototype,"TestPoint",box2d.b2EdgeShape.prototype.TestPoint),box2d.b2EdgeShape.prototype.ComputeDistance=function(o,t,e,r){var i=box2d.b2Mul_X_V2(o,this.m_vertex1,box2d.b2EdgeShape.prototype.ComputeDistance.s_v1);o=box2d.b2Mul_X_V2(o,this.m_vertex2,box2d.b2EdgeShape.prototype.ComputeDistance.s_v2),r=box2d.b2Sub_V2_V2(t,i,box2d.b2EdgeShape.prototype.ComputeDistance.s_d);i=box2d.b2Sub_V2_V2(o,i,box2d.b2EdgeShape.prototype.ComputeDistance.s_s);var n=box2d.b2Dot_V2_V2(r,i);if(0<n){var p=box2d.b2Dot_V2_V2(i,i);n>p?box2d.b2Sub_V2_V2(t,o,r):r.SelfMulSub(n/p,i)}return e.Copy(r),e.Normalize()},goog.exportProperty(box2d.b2EdgeShape.prototype,"ComputeDistance",box2d.b2EdgeShape.prototype.ComputeDistance),box2d.b2EdgeShape.prototype.ComputeDistance.s_v1=new box2d.b2Vec2,box2d.b2EdgeShape.prototype.ComputeDistance.s_v2=new box2d.b2Vec2,box2d.b2EdgeShape.prototype.ComputeDistance.s_d=new box2d.b2Vec2,box2d.b2EdgeShape.prototype.ComputeDistance.s_s=new box2d.b2Vec2,box2d.b2EdgeShape.prototype.RayCast=function(o,t,e,r){var i=box2d.b2MulT_X_V2(e,t.p1,box2d.b2EdgeShape.prototype.RayCast.s_p1);r=box2d.b2MulT_X_V2(e,t.p2,box2d.b2EdgeShape.prototype.RayCast.s_p2);var n=box2d.b2Sub_V2_V2(r,i,box2d.b2EdgeShape.prototype.RayCast.s_d);r=this.m_vertex1;var p=this.m_vertex2,s=box2d.b2Sub_V2_V2(p,r,box2d.b2EdgeShape.prototype.RayCast.s_e),l=o.normal.Set(s.y,-s.x).SelfNormalize();s=box2d.b2Dot_V2_V2(l,box2d.b2Sub_V2_V2(r,i,box2d.b2Vec2.s_t0));return 0!==(l=box2d.b2Dot_V2_V2(l,n))&&(!(0>(l=s/l)||t.maxFraction<l)&&(t=box2d.b2AddMul_V2_S_V2(i,l,n,box2d.b2EdgeShape.prototype.RayCast.s_q),i=box2d.b2Sub_V2_V2(p,r,box2d.b2EdgeShape.prototype.RayCast.s_r),0!==(p=box2d.b2Dot_V2_V2(i,i))&&(!(0>(r=box2d.b2Dot_V2_V2(box2d.b2Sub_V2_V2(t,r,box2d.b2Vec2.s_t0),i)/p)||1<r)&&(o.fraction=l,box2d.b2Mul_R_V2(e.q,o.normal,o.normal),0<s&&o.normal.SelfNeg(),!0))))},goog.exportProperty(box2d.b2EdgeShape.prototype,"RayCast",box2d.b2EdgeShape.prototype.RayCast),box2d.b2EdgeShape.prototype.RayCast.s_p1=new box2d.b2Vec2,box2d.b2EdgeShape.prototype.RayCast.s_p2=new box2d.b2Vec2,box2d.b2EdgeShape.prototype.RayCast.s_d=new box2d.b2Vec2,box2d.b2EdgeShape.prototype.RayCast.s_e=new box2d.b2Vec2,box2d.b2EdgeShape.prototype.RayCast.s_q=new box2d.b2Vec2,box2d.b2EdgeShape.prototype.RayCast.s_r=new box2d.b2Vec2,box2d.b2EdgeShape.prototype.ComputeAABB=function(o,t,e){e=box2d.b2Mul_X_V2(t,this.m_vertex1,box2d.b2EdgeShape.prototype.ComputeAABB.s_v1),t=box2d.b2Mul_X_V2(t,this.m_vertex2,box2d.b2EdgeShape.prototype.ComputeAABB.s_v2),box2d.b2Min_V2_V2(e,t,o.lowerBound),box2d.b2Max_V2_V2(e,t,o.upperBound),t=this.m_radius,o.lowerBound.SelfSubXY(t,t),o.upperBound.SelfAddXY(t,t)},goog.exportProperty(box2d.b2EdgeShape.prototype,"ComputeAABB",box2d.b2EdgeShape.prototype.ComputeAABB),box2d.b2EdgeShape.prototype.ComputeAABB.s_v1=new box2d.b2Vec2,box2d.b2EdgeShape.prototype.ComputeAABB.s_v2=new box2d.b2Vec2,box2d.b2EdgeShape.prototype.ComputeMass=function(o,t){o.mass=0,box2d.b2Mid_V2_V2(this.m_vertex1,this.m_vertex2,o.center),o.I=0},goog.exportProperty(box2d.b2EdgeShape.prototype,"ComputeMass",box2d.b2EdgeShape.prototype.ComputeMass),box2d.b2EdgeShape.prototype.SetupDistanceProxy=function(o,t){o.m_vertices=o.m_buffer,o.m_vertices[0].Copy(this.m_vertex1),o.m_vertices[1].Copy(this.m_vertex2),o.m_count=2,o.m_radius=this.m_radius},box2d.b2EdgeShape.prototype.ComputeSubmergedArea=function(o,t,e,r){return r.SetZero(),0},goog.exportProperty(box2d.b2EdgeShape.prototype,"ComputeSubmergedArea",box2d.b2EdgeShape.prototype.ComputeSubmergedArea),box2d.b2EdgeShape.prototype.Dump=function(){box2d.b2Log("    /*box2d.b2EdgeShape*/ var shape = new box2d.b2EdgeShape();\n"),box2d.b2Log("    shape.m_radius = %.15f;\n",this.m_radius),box2d.b2Log("    shape.m_vertex0.Set(%.15f, %.15f);\n",this.m_vertex0.x,this.m_vertex0.y),box2d.b2Log("    shape.m_vertex1.Set(%.15f, %.15f);\n",this.m_vertex1.x,this.m_vertex1.y),box2d.b2Log("    shape.m_vertex2.Set(%.15f, %.15f);\n",this.m_vertex2.x,this.m_vertex2.y),box2d.b2Log("    shape.m_vertex3.Set(%.15f, %.15f);\n",this.m_vertex3.x,this.m_vertex3.y),box2d.b2Log("    shape.m_hasVertex0 = %s;\n",this.m_hasVertex0),box2d.b2Log("    shape.m_hasVertex3 = %s;\n",this.m_hasVertex3)},goog.exportProperty(box2d.b2EdgeShape.prototype,"Dump",box2d.b2EdgeShape.prototype.Dump),box2d.b2ChainShape=function(){box2d.b2Shape.call(this,box2d.b2ShapeType.e_chainShape,box2d.b2_polygonRadius),this.m_prevVertex=new box2d.b2Vec2,this.m_nextVertex=new box2d.b2Vec2},goog.inherits(box2d.b2ChainShape,box2d.b2Shape),goog.exportSymbol("box2d.b2ChainShape",box2d.b2ChainShape),box2d.b2ChainShape.prototype.m_vertices=null,goog.exportProperty(box2d.b2ChainShape.prototype,"m_vertices",box2d.b2ChainShape.prototype.m_vertices),box2d.b2ChainShape.prototype.m_count=0,goog.exportProperty(box2d.b2ChainShape.prototype,"m_count",box2d.b2ChainShape.prototype.m_count),box2d.b2ChainShape.prototype.m_prevVertex=null,goog.exportProperty(box2d.b2ChainShape.prototype,"m_prevVertex",box2d.b2ChainShape.prototype.m_prevVertex),box2d.b2ChainShape.prototype.m_nextVertex=null,goog.exportProperty(box2d.b2ChainShape.prototype,"m_nextVertex",box2d.b2ChainShape.prototype.m_nextVertex),box2d.b2ChainShape.prototype.m_hasPrevVertex=!1,goog.exportProperty(box2d.b2ChainShape.prototype,"m_hasPrevVertex",box2d.b2ChainShape.prototype.m_hasPrevVertex),box2d.b2ChainShape.prototype.m_hasNextVertex=!1,goog.exportProperty(box2d.b2ChainShape.prototype,"m_hasNextVertex",box2d.b2ChainShape.prototype.m_hasNextVertex),box2d.b2ChainShape.prototype.Clear=function(){this.m_vertices=null,this.m_count=0},goog.exportProperty(box2d.b2ChainShape.prototype,"Clear",box2d.b2ChainShape.prototype.Clear),box2d.b2ChainShape.prototype.CreateLoop=function(o,t){if(t=t||o.length,box2d.ENABLE_ASSERTS&&box2d.b2Assert(null===this.m_vertices&&0===this.m_count),box2d.ENABLE_ASSERTS&&box2d.b2Assert(3<=t),box2d.ENABLE_ASSERTS)for(var e=1;e<t;++e)box2d.b2Assert(box2d.b2DistanceSquared(o[e-1],o[e])>box2d.b2_linearSlop*box2d.b2_linearSlop);for(this.m_count=t+1,this.m_vertices=box2d.b2Vec2.MakeArray(this.m_count),e=0;e<t;++e)this.m_vertices[e].Copy(o[e]);return this.m_vertices[t].Copy(this.m_vertices[0]),this.m_prevVertex.Copy(this.m_vertices[this.m_count-2]),this.m_nextVertex.Copy(this.m_vertices[1]),this.m_hasNextVertex=this.m_hasPrevVertex=!0,this},goog.exportProperty(box2d.b2ChainShape.prototype,"CreateLoop",box2d.b2ChainShape.prototype.CreateLoop),box2d.b2ChainShape.prototype.CreateChain=function(o,t){if(t=t||o.length,box2d.ENABLE_ASSERTS&&box2d.b2Assert(null===this.m_vertices&&0===this.m_count),box2d.ENABLE_ASSERTS&&box2d.b2Assert(2<=t),box2d.ENABLE_ASSERTS)for(var e=1;e<t;++e)box2d.b2Assert(box2d.b2DistanceSquared(o[e-1],o[e])>box2d.b2_linearSlop*box2d.b2_linearSlop);for(this.m_count=t,this.m_vertices=box2d.b2Vec2.MakeArray(t),e=0;e<t;++e)this.m_vertices[e].Copy(o[e]);return this.m_hasNextVertex=this.m_hasPrevVertex=!1,this.m_prevVertex.SetZero(),this.m_nextVertex.SetZero(),this},goog.exportProperty(box2d.b2ChainShape.prototype,"CreateChain",box2d.b2ChainShape.prototype.CreateChain),box2d.b2ChainShape.prototype.SetPrevVertex=function(o){return this.m_prevVertex.Copy(o),this.m_hasPrevVertex=!0,this},goog.exportProperty(box2d.b2ChainShape.prototype,"SetPrevVertex",box2d.b2ChainShape.prototype.SetPrevVertex),box2d.b2ChainShape.prototype.SetNextVertex=function(o){return this.m_nextVertex.Copy(o),this.m_hasNextVertex=!0,this},goog.exportProperty(box2d.b2ChainShape.prototype,"SetNextVertex",box2d.b2ChainShape.prototype.SetNextVertex),box2d.b2ChainShape.prototype.Clone=function(){return(new box2d.b2ChainShape).Copy(this)},goog.exportProperty(box2d.b2ChainShape.prototype,"Clone",box2d.b2ChainShape.prototype.Clone),box2d.b2ChainShape.prototype.Copy=function(o){return box2d.b2Shape.prototype.Copy.call(this,o),box2d.ENABLE_ASSERTS&&box2d.b2Assert(o instanceof box2d.b2ChainShape),this.CreateChain(o.m_vertices,o.m_count),this.m_prevVertex.Copy(o.m_prevVertex),this.m_nextVertex.Copy(o.m_nextVertex),this.m_hasPrevVertex=o.m_hasPrevVertex,this.m_hasNextVertex=o.m_hasNextVertex,this},goog.exportProperty(box2d.b2ChainShape.prototype,"Copy",box2d.b2ChainShape.prototype.Copy),box2d.b2ChainShape.prototype.GetChildCount=function(){return this.m_count-1},goog.exportProperty(box2d.b2ChainShape.prototype,"GetChildCount",box2d.b2ChainShape.prototype.GetChildCount),box2d.b2ChainShape.prototype.GetChildEdge=function(o,t){box2d.ENABLE_ASSERTS&&box2d.b2Assert(0<=t&&t<this.m_count-1),o.m_type=box2d.b2ShapeType.e_edgeShape,o.m_radius=this.m_radius,o.m_vertex1.Copy(this.m_vertices[t]),o.m_vertex2.Copy(this.m_vertices[t+1]),0<t?(o.m_vertex0.Copy(this.m_vertices[t-1]),o.m_hasVertex0=!0):(o.m_vertex0.Copy(this.m_prevVertex),o.m_hasVertex0=this.m_hasPrevVertex),t<this.m_count-2?(o.m_vertex3.Copy(this.m_vertices[t+2]),o.m_hasVertex3=!0):(o.m_vertex3.Copy(this.m_nextVertex),o.m_hasVertex3=this.m_hasNextVertex)},goog.exportProperty(box2d.b2ChainShape.prototype,"GetChildEdge",box2d.b2ChainShape.prototype.GetChildEdge),box2d.b2ChainShape.prototype.TestPoint=function(o,t){return!1},goog.exportProperty(box2d.b2ChainShape.prototype,"TestPoint",box2d.b2ChainShape.prototype.TestPoint),box2d.b2ChainShape.prototype.ComputeDistance=function(o,t,e,r){var i=box2d.b2ChainShape.prototype.ComputeDistance.s_edgeShape;return this.GetChildEdge(i,r),i.ComputeDistance(o,t,e,0)},goog.exportProperty(box2d.b2ChainShape.prototype,"ComputeDistance",box2d.b2ChainShape.prototype.ComputeDistance),box2d.b2ChainShape.prototype.ComputeDistance.s_edgeShape=new box2d.b2EdgeShape,box2d.b2ChainShape.prototype.RayCast=function(o,t,e,r){box2d.ENABLE_ASSERTS&&box2d.b2Assert(r<this.m_count);var i=box2d.b2ChainShape.prototype.RayCast.s_edgeShape;return i.m_vertex1.Copy(this.m_vertices[r]),i.m_vertex2.Copy(this.m_vertices[(r+1)%this.m_count]),i.RayCast(o,t,e,0)},goog.exportProperty(box2d.b2ChainShape.prototype,"RayCast",box2d.b2ChainShape.prototype.RayCast),box2d.b2ChainShape.prototype.RayCast.s_edgeShape=new box2d.b2EdgeShape,box2d.b2ChainShape.prototype.ComputeAABB=function(o,t,e){box2d.ENABLE_ASSERTS&&box2d.b2Assert(e<this.m_count);var r=this.m_vertices[(e+1)%this.m_count];e=box2d.b2Mul_X_V2(t,this.m_vertices[e],box2d.b2ChainShape.prototype.ComputeAABB.s_v1),t=box2d.b2Mul_X_V2(t,r,box2d.b2ChainShape.prototype.ComputeAABB.s_v2),box2d.b2Min_V2_V2(e,t,o.lowerBound),box2d.b2Max_V2_V2(e,t,o.upperBound)},goog.exportProperty(box2d.b2ChainShape.prototype,"ComputeAABB",box2d.b2ChainShape.prototype.ComputeAABB),box2d.b2ChainShape.prototype.ComputeAABB.s_v1=new box2d.b2Vec2,goog.exportProperty(box2d.b2ChainShape.prototype.ComputeAABB,"s_v1",box2d.b2ChainShape.prototype.ComputeAABB.s_v1),box2d.b2ChainShape.prototype.ComputeAABB.s_v2=new box2d.b2Vec2,goog.exportProperty(box2d.b2ChainShape.prototype.ComputeAABB,"s_v2",box2d.b2ChainShape.prototype.ComputeAABB.s_v2),box2d.b2ChainShape.prototype.ComputeMass=function(o,t){o.mass=0,o.center.SetZero(),o.I=0},goog.exportProperty(box2d.b2ChainShape.prototype,"ComputeMass",box2d.b2ChainShape.prototype.ComputeMass),box2d.b2ChainShape.prototype.SetupDistanceProxy=function(o,t){box2d.ENABLE_ASSERTS&&box2d.b2Assert(0<=t&&t<this.m_count),o.m_buffer[0].Copy(this.m_vertices[t]),t+1<this.m_count?o.m_buffer[1].Copy(this.m_vertices[t+1]):o.m_buffer[1].Copy(this.m_vertices[0]),o.m_vertices=o.m_buffer,o.m_count=2,o.m_radius=this.m_radius},box2d.b2ChainShape.prototype.ComputeSubmergedArea=function(o,t,e,r){return r.SetZero(),0},goog.exportProperty(box2d.b2ChainShape.prototype,"ComputeSubmergedArea",box2d.b2ChainShape.prototype.ComputeSubmergedArea),box2d.b2ChainShape.prototype.Dump=function(){box2d.b2Log("    /*box2d.b2ChainShape*/ var shape = new box2d.b2ChainShape();\n"),box2d.b2Log("    /*box2d.b2Vec2[]*/ var vs = box2d.b2Vec2.MakeArray(%d);\n",box2d.b2_maxPolygonVertices);for(var o=0;o<this.m_count;++o)box2d.b2Log("    vs[%d].Set(%.15f, %.15f);\n",o,this.m_vertices[o].x,this.m_vertices[o].y);box2d.b2Log("    shape.CreateChain(vs, %d);\n",this.m_count),box2d.b2Log("    shape.m_prevVertex.Set(%.15f, %.15f);\n",this.m_prevVertex.x,this.m_prevVertex.y),box2d.b2Log("    shape.m_nextVertex.Set(%.15f, %.15f);\n",this.m_nextVertex.x,this.m_nextVertex.y),box2d.b2Log("    shape.m_hasPrevVertex = %s;\n",this.m_hasPrevVertex?"true":"false"),box2d.b2Log("    shape.m_hasNextVertex = %s;\n",this.m_hasNextVertex?"true":"false")},goog.exportProperty(box2d.b2ChainShape.prototype,"Dump",box2d.b2ChainShape.prototype.Dump),box2d.b2PolygonShape=function(){box2d.b2Shape.call(this,box2d.b2ShapeType.e_polygonShape,box2d.b2_polygonRadius),this.m_centroid=new box2d.b2Vec2(0,0),this.m_vertices=box2d.b2Vec2.MakeArray(box2d.b2_maxPolygonVertices),this.m_normals=box2d.b2Vec2.MakeArray(box2d.b2_maxPolygonVertices)},goog.inherits(box2d.b2PolygonShape,box2d.b2Shape),goog.exportSymbol("box2d.b2PolygonShape",box2d.b2PolygonShape),box2d.b2PolygonShape.prototype.m_centroid=null,goog.exportProperty(box2d.b2PolygonShape.prototype,"m_centroid",box2d.b2PolygonShape.prototype.m_centroid),box2d.b2PolygonShape.prototype.m_vertices=null,goog.exportProperty(box2d.b2PolygonShape.prototype,"m_vertices",box2d.b2PolygonShape.prototype.m_vertices),box2d.b2PolygonShape.prototype.m_normals=null,goog.exportProperty(box2d.b2PolygonShape.prototype,"m_normals",box2d.b2PolygonShape.prototype.m_normals),box2d.b2PolygonShape.prototype.m_count=0,goog.exportProperty(box2d.b2PolygonShape.prototype,"m_count",box2d.b2PolygonShape.prototype.m_count),box2d.b2PolygonShape.prototype.Clone=function(){return(new box2d.b2PolygonShape).Copy(this)},goog.exportProperty(box2d.b2PolygonShape.prototype,"Clone",box2d.b2PolygonShape.prototype.Clone),box2d.b2PolygonShape.prototype.Copy=function(o){box2d.b2Shape.prototype.Copy.call(this,o),box2d.ENABLE_ASSERTS&&box2d.b2Assert(o instanceof box2d.b2PolygonShape),this.m_centroid.Copy(o.m_centroid),this.m_count=o.m_count;for(var t=0,e=this.m_count;t<e;++t)this.m_vertices[t].Copy(o.m_vertices[t]),this.m_normals[t].Copy(o.m_normals[t]);return this},goog.exportProperty(box2d.b2PolygonShape.prototype,"Copy",box2d.b2PolygonShape.prototype.Copy),box2d.b2PolygonShape.prototype.SetAsBox=function(o,t,e,r){if(this.m_count=4,this.m_vertices[0].Set(-o,-t),this.m_vertices[1].Set(o,-t),this.m_vertices[2].Set(o,t),this.m_vertices[3].Set(-o,t),this.m_normals[0].Set(0,-1),this.m_normals[1].Set(1,0),this.m_normals[2].Set(0,1),this.m_normals[3].Set(-1,0),this.m_centroid.SetZero(),e instanceof box2d.b2Vec2)for(r="number"==typeof r?r:0,this.m_centroid.Copy(e),(o=new box2d.b2Transform).SetPosition(e),o.SetRotationAngle(r),e=0,r=this.m_count;e<r;++e)box2d.b2Mul_X_V2(o,this.m_vertices[e],this.m_vertices[e]),box2d.b2Mul_R_V2(o.q,this.m_normals[e],this.m_normals[e]);return this},goog.exportProperty(box2d.b2PolygonShape.prototype,"SetAsBox",box2d.b2PolygonShape.prototype.SetAsBox),box2d.b2PolygonShape.prototype.Set=function(o,t,e){if(t="number"==typeof t?t:o.length,e="number"==typeof e?e:0,box2d.ENABLE_ASSERTS&&box2d.b2Assert(3<=t&&t<=box2d.b2_maxPolygonVertices),3>t)return this.SetAsBox(1,1);t=box2d.b2Min(t,box2d.b2_maxPolygonVertices);for(var r=box2d.b2PolygonShape.prototype.Set.s_ps,i=0,n=0;n<t;++n){for(var p=o[e+n],s=!0,l=0;l<i;++l)if(box2d.b2DistanceSquared(p,r[l])<.25*box2d.b2_linearSlop*box2d.b2_linearSlop){s=!1;break}s&&r[i++].Copy(p)}if(3>(t=i))return box2d.ENABLE_ASSERTS&&box2d.b2Assert(!1),this.SetAsBox(1,1);for(o=0,p=r[0].x,n=1;n<t;++n)((l=r[n].x)>p||l===p&&r[n].y<r[o].y)&&(o=n,p=l);for(i=box2d.b2PolygonShape.prototype.Set.s_hull,e=0,n=o;;){for(i[e]=n,s=0,l=1;l<t;++l)if(s===n)s=l;else{var x=box2d.b2Sub_V2_V2(r[s],r[i[e]],box2d.b2PolygonShape.prototype.Set.s_r),y=(p=box2d.b2Sub_V2_V2(r[l],r[i[e]],box2d.b2PolygonShape.prototype.Set.s_v),box2d.b2Cross_V2_V2(x,p));0>y&&(s=l),0===y&&p.LengthSquared()>x.LengthSquared()&&(s=l)}if(++e,n=s,s===o)break}if(3>e)return box2d.ENABLE_ASSERTS&&box2d.b2Assert(!1),this.SetAsBox(1,1);for(this.m_count=e,n=0;n<e;++n)this.m_vertices[n].Copy(r[i[n]]);for(n=0,t=e;n<t;++n)r=box2d.b2Sub_V2_V2(this.m_vertices[(n+1)%t],this.m_vertices[n],box2d.b2Vec2.s_t0),box2d.ENABLE_ASSERTS&&box2d.b2Assert(r.LengthSquared()>box2d.b2_epsilon_sq),box2d.b2Cross_V2_S(r,1,this.m_normals[n]).SelfNormalize();return box2d.b2PolygonShape.ComputeCentroid(this.m_vertices,e,this.m_centroid),this},goog.exportProperty(box2d.b2PolygonShape.prototype,"Set",box2d.b2PolygonShape.prototype.Set),box2d.b2PolygonShape.prototype.Set.s_ps=box2d.b2Vec2.MakeArray(box2d.b2_maxPolygonVertices),box2d.b2PolygonShape.prototype.Set.s_hull=box2d.b2MakeNumberArray(box2d.b2_maxPolygonVertices),box2d.b2PolygonShape.prototype.Set.s_r=new box2d.b2Vec2,box2d.b2PolygonShape.prototype.Set.s_v=new box2d.b2Vec2,box2d.b2PolygonShape.prototype.GetChildCount=function(){return 1},goog.exportProperty(box2d.b2PolygonShape.prototype,"GetChildCount",box2d.b2PolygonShape.prototype.GetChildCount),box2d.b2PolygonShape.prototype.TestPoint=function(o,t){for(var e=box2d.b2MulT_X_V2(o,t,box2d.b2PolygonShape.prototype.TestPoint.s_pLocal),r=0,i=this.m_count;r<i;++r)if(0<box2d.b2Dot_V2_V2(this.m_normals[r],box2d.b2Sub_V2_V2(e,this.m_vertices[r],box2d.b2Vec2.s_t0)))return!1;return!0},goog.exportProperty(box2d.b2PolygonShape.prototype,"TestPoint",box2d.b2PolygonShape.prototype.TestPoint),box2d.b2PolygonShape.prototype.TestPoint.s_pLocal=new box2d.b2Vec2,box2d.b2PolygonShape.prototype.ComputeDistance=function(o,t,e,r){t=box2d.b2MulT_X_V2(o,t,box2d.b2PolygonShape.prototype.ComputeDistance.s_pLocal);var i=-box2d.b2_maxFloat,n=box2d.b2PolygonShape.prototype.ComputeDistance.s_normalForMaxDistance.Copy(t);for(r=0;r<this.m_count;++r){(p=box2d.b2Dot_V2_V2(this.m_normals[r],box2d.b2Sub_V2_V2(t,this.m_vertices[r],box2d.b2Vec2.s_t0)))>i&&(i=p,n.Copy(this.m_normals[r]))}if(0<i){for(n=box2d.b2PolygonShape.prototype.ComputeDistance.s_minDistance.Copy(n),i*=i,r=0;r<this.m_count;++r){var p,s=(p=box2d.b2Sub_V2_V2(t,this.m_vertices[r],box2d.b2PolygonShape.prototype.ComputeDistance.s_distance)).LengthSquared();i>s&&(n.Copy(p),i=s)}return box2d.b2Mul_R_V2(o.q,n,e),e.Normalize(),Math.sqrt(i)}return box2d.b2Mul_R_V2(o.q,n,e),i},goog.exportProperty(box2d.b2PolygonShape.prototype,"ComputeDistance",box2d.b2PolygonShape.prototype.ComputeDistance),box2d.b2PolygonShape.prototype.ComputeDistance.s_pLocal=new box2d.b2Vec2,box2d.b2PolygonShape.prototype.ComputeDistance.s_normalForMaxDistance=new box2d.b2Vec2,box2d.b2PolygonShape.prototype.ComputeDistance.s_minDistance=new box2d.b2Vec2,box2d.b2PolygonShape.prototype.ComputeDistance.s_distance=new box2d.b2Vec2,box2d.b2PolygonShape.prototype.RayCast=function(o,t,e,r){r=box2d.b2MulT_X_V2(e,t.p1,box2d.b2PolygonShape.prototype.RayCast.s_p1);for(var i=box2d.b2MulT_X_V2(e,t.p2,box2d.b2PolygonShape.prototype.RayCast.s_p2),n=(i=box2d.b2Sub_V2_V2(i,r,box2d.b2PolygonShape.prototype.RayCast.s_d),0),p=t.maxFraction,s=-1,l=0,x=this.m_count;l<x;++l){var y=box2d.b2Dot_V2_V2(this.m_normals[l],box2d.b2Sub_V2_V2(this.m_vertices[l],r,box2d.b2Vec2.s_t0)),_=box2d.b2Dot_V2_V2(this.m_normals[l],i);if(0===_){if(0>y)return!1}else 0>_&&y<n*_?(n=y/_,s=l):0<_&&y<p*_&&(p=y/_);if(p<n)return!1}return box2d.ENABLE_ASSERTS&&box2d.b2Assert(0<=n&&n<=t.maxFraction),0<=s&&(o.fraction=n,box2d.b2Mul_R_V2(e.q,this.m_normals[s],o.normal),!0)},goog.exportProperty(box2d.b2PolygonShape.prototype,"RayCast",box2d.b2PolygonShape.prototype.RayCast),box2d.b2PolygonShape.prototype.RayCast.s_p1=new box2d.b2Vec2,box2d.b2PolygonShape.prototype.RayCast.s_p2=new box2d.b2Vec2,box2d.b2PolygonShape.prototype.RayCast.s_d=new box2d.b2Vec2,box2d.b2PolygonShape.prototype.ComputeAABB=function(o,t,e){e=box2d.b2Mul_X_V2(t,this.m_vertices[0],o.lowerBound),o=o.upperBound.Copy(e);for(var r=0,i=this.m_count;r<i;++r){var n=box2d.b2Mul_X_V2(t,this.m_vertices[r],box2d.b2PolygonShape.prototype.ComputeAABB.s_v);box2d.b2Min_V2_V2(n,e,e),box2d.b2Max_V2_V2(n,o,o)}t=this.m_radius,e.SelfSubXY(t,t),o.SelfAddXY(t,t)},goog.exportProperty(box2d.b2PolygonShape.prototype,"ComputeAABB",box2d.b2PolygonShape.prototype.ComputeAABB),box2d.b2PolygonShape.prototype.ComputeAABB.s_v=new box2d.b2Vec2,box2d.b2PolygonShape.prototype.ComputeMass=function(o,t){box2d.ENABLE_ASSERTS&&box2d.b2Assert(3<=this.m_count);for(var e=box2d.b2PolygonShape.prototype.ComputeMass.s_center.SetZero(),r=0,i=0,n=box2d.b2PolygonShape.prototype.ComputeMass.s_s.SetZero(),p=0,s=this.m_count;p<s;++p)n.SelfAdd(this.m_vertices[p]);n.SelfMul(1/this.m_count);for(p=0,s=this.m_count;p<s;++p){var l=box2d.b2Sub_V2_V2(this.m_vertices[p],n,box2d.b2PolygonShape.prototype.ComputeMass.s_e1),x=box2d.b2Sub_V2_V2(this.m_vertices[(p+1)%s],n,box2d.b2PolygonShape.prototype.ComputeMass.s_e2),y=box2d.b2Cross_V2_V2(l,x);r=r+(_=.5*y);e.SelfAdd(box2d.b2Mul_S_V2(_*(1/3),box2d.b2Add_V2_V2(l,x,box2d.b2Vec2.s_t0),box2d.b2Vec2.s_t1));var _=l.x,m=(l=l.y,x.x);i=i+1/3*.25*y*(_*_+m*_+m*m+(l*l+(x=x.y)*l+x*x))}o.mass=t*r,box2d.ENABLE_ASSERTS&&box2d.b2Assert(r>box2d.b2_epsilon),e.SelfMul(1/r),box2d.b2Add_V2_V2(e,n,o.center),o.I=t*i,o.I+=o.mass*(box2d.b2Dot_V2_V2(o.center,o.center)-box2d.b2Dot_V2_V2(e,e))},goog.exportProperty(box2d.b2PolygonShape.prototype,"ComputeMass",box2d.b2PolygonShape.prototype.ComputeMass),box2d.b2PolygonShape.prototype.ComputeMass.s_center=new box2d.b2Vec2,box2d.b2PolygonShape.prototype.ComputeMass.s_s=new box2d.b2Vec2,box2d.b2PolygonShape.prototype.ComputeMass.s_e1=new box2d.b2Vec2,box2d.b2PolygonShape.prototype.ComputeMass.s_e2=new box2d.b2Vec2,box2d.b2PolygonShape.prototype.Validate=function(){for(var o=0;o<this.m_count;++o)for(var t=o,e=(o+1)%this.m_count,r=this.m_vertices[t],i=box2d.b2Sub_V2_V2(this.m_vertices[e],r,box2d.b2PolygonShape.prototype.Validate.s_e),n=0;n<this.m_count;++n)if(n!==t&&n!==e){var p=box2d.b2Sub_V2_V2(this.m_vertices[n],r,box2d.b2PolygonShape.prototype.Validate.s_v);if(0>box2d.b2Cross_V2_V2(i,p))return!1}return!0},goog.exportProperty(box2d.b2PolygonShape.prototype,"Validate",box2d.b2PolygonShape.prototype.Validate),box2d.b2PolygonShape.prototype.Validate.s_e=new box2d.b2Vec2,box2d.b2PolygonShape.prototype.Validate.s_v=new box2d.b2Vec2,box2d.b2PolygonShape.prototype.SetupDistanceProxy=function(o,t){o.m_vertices=this.m_vertices,o.m_count=this.m_count,o.m_radius=this.m_radius},box2d.b2PolygonShape.prototype.ComputeSubmergedArea=function(o,t,e,r){var i=box2d.b2MulT_R_V2(e.q,o,box2d.b2PolygonShape.prototype.ComputeSubmergedArea.s_normalL),n=t-box2d.b2Dot_V2_V2(o,e.p),p=box2d.b2PolygonShape.prototype.ComputeSubmergedArea.s_depths,s=0,l=-1;t=-1;var x=!1;o=0;for(var y=this.m_count;o<y;++o){p[o]=box2d.b2Dot_V2_V2(i,this.m_vertices[o])-n;var _=p[o]<-box2d.b2_epsilon;0<o&&(_?x||(l=o-1,s++):x&&(t=o-1,s++)),x=_}switch(s){case 0:return x?(o=box2d.b2PolygonShape.prototype.ComputeSubmergedArea.s_md,this.ComputeMass(o,1),box2d.b2Mul_X_V2(e,o.center,r),o.mass):0;case 1:-1===l?l=this.m_count-1:t=this.m_count-1}for(o=(l+1)%this.m_count,i=(t+1)%this.m_count,n=(0-p[l])/(p[o]-p[l]),p=(0-p[t])/(p[i]-p[t]),l=box2d.b2PolygonShape.prototype.ComputeSubmergedArea.s_intoVec.Set(this.m_vertices[l].x*(1-n)+this.m_vertices[o].x*n,this.m_vertices[l].y*(1-n)+this.m_vertices[o].y*n),t=box2d.b2PolygonShape.prototype.ComputeSubmergedArea.s_outoVec.Set(this.m_vertices[t].x*(1-p)+this.m_vertices[i].x*p,this.m_vertices[t].y*(1-p)+this.m_vertices[i].y*p),p=0,n=box2d.b2PolygonShape.prototype.ComputeSubmergedArea.s_center.SetZero(),s=this.m_vertices[o],x=null;o!==i;)x=(o=(o+1)%this.m_count)===i?t:this.m_vertices[o],p+=y=.5*((s.x-l.x)*(x.y-l.y)-(s.y-l.y)*(x.x-l.x)),n.x+=y*(l.x+s.x+x.x)/3,n.y+=y*(l.y+s.y+x.y)/3,s=x;return n.SelfMul(1/p),box2d.b2Mul_X_V2(e,n,r),p},goog.exportProperty(box2d.b2PolygonShape.prototype,"ComputeSubmergedArea",box2d.b2PolygonShape.prototype.ComputeSubmergedArea),box2d.b2PolygonShape.prototype.ComputeSubmergedArea.s_normalL=new box2d.b2Vec2,box2d.b2PolygonShape.prototype.ComputeSubmergedArea.s_depths=box2d.b2MakeNumberArray(box2d.b2_maxPolygonVertices),box2d.b2PolygonShape.prototype.ComputeSubmergedArea.s_md=new box2d.b2MassData,box2d.b2PolygonShape.prototype.ComputeSubmergedArea.s_intoVec=new box2d.b2Vec2,box2d.b2PolygonShape.prototype.ComputeSubmergedArea.s_outoVec=new box2d.b2Vec2,box2d.b2PolygonShape.prototype.ComputeSubmergedArea.s_center=new box2d.b2Vec2,box2d.b2PolygonShape.prototype.Dump=function(){box2d.b2Log("    /*box2d.b2PolygonShape*/ var shape = new box2d.b2PolygonShape();\n"),box2d.b2Log("    /*box2d.b2Vec2[]*/ var vs = box2d.b2Vec2.MakeArray(%d);\n",box2d.b2_maxPolygonVertices);for(var o=0;o<this.m_count;++o)box2d.b2Log("    vs[%d].Set(%.15f, %.15f);\n",o,this.m_vertices[o].x,this.m_vertices[o].y);box2d.b2Log("    shape.Set(vs, %d);\n",this.m_count)},goog.exportProperty(box2d.b2PolygonShape.prototype,"Dump",box2d.b2PolygonShape.prototype.Dump),box2d.b2PolygonShape.ComputeCentroid=function(o,t,e){box2d.ENABLE_ASSERTS&&box2d.b2Assert(3<=t),e.SetZero();for(var r=0,i=box2d.b2PolygonShape.ComputeCentroid.s_pRef.SetZero(),n=0;n<t;++n){var p=i,s=o[n],l=o[(n+1)%t],x=box2d.b2Sub_V2_V2(s,p,box2d.b2PolygonShape.ComputeCentroid.s_e1),y=box2d.b2Sub_V2_V2(l,p,box2d.b2PolygonShape.ComputeCentroid.s_e2);r=r+(x=.5*box2d.b2Cross_V2_V2(x,y));e.x+=x*(1/3)*(p.x+s.x+l.x),e.y+=x*(1/3)*(p.y+s.y+l.y)}return box2d.ENABLE_ASSERTS&&box2d.b2Assert(r>box2d.b2_epsilon),e.SelfMul(1/r),e},goog.exportProperty(box2d.b2PolygonShape,"ComputeCentroid",box2d.b2PolygonShape.ComputeCentroid),box2d.b2PolygonShape.ComputeCentroid.s_pRef=new box2d.b2Vec2,box2d.b2PolygonShape.ComputeCentroid.s_e1=new box2d.b2Vec2,box2d.b2PolygonShape.ComputeCentroid.s_e2=new box2d.b2Vec2,box2d.b2Timer=function(){this.m_start=(new Date).getTime()},goog.exportSymbol("box2d.b2Timer",box2d.b2Timer),box2d.b2Timer.prototype.m_start=0,goog.exportProperty(box2d.b2Timer.prototype,"m_start",box2d.b2Timer.prototype.m_start),box2d.b2Timer.prototype.Reset=function(){return this.m_start=(new Date).getTime(),this},goog.exportProperty(box2d.b2Timer.prototype,"Reset",box2d.b2Timer.prototype.Reset),box2d.b2Timer.prototype.GetMilliseconds=function(){return(new Date).getTime()-this.m_start},goog.exportProperty(box2d.b2Timer.prototype,"GetMilliseconds",box2d.b2Timer.prototype.GetMilliseconds),box2d.b2Counter=function(){},goog.exportSymbol("box2d.b2Counter",box2d.b2Counter),box2d.b2Counter.prototype.m_count=0,goog.exportProperty(box2d.b2Counter.prototype,"m_count",box2d.b2Counter.prototype.m_count),box2d.b2Counter.prototype.m_min_count=0,goog.exportProperty(box2d.b2Counter.prototype,"m_min_count",box2d.b2Counter.prototype.m_min_count),box2d.b2Counter.prototype.m_max_count=0,goog.exportProperty(box2d.b2Counter.prototype,"m_max_count",box2d.b2Counter.prototype.m_max_count),box2d.b2Counter.prototype.GetCount=function(){return this.m_count},goog.exportProperty(box2d.b2Counter.prototype,"GetCount",box2d.b2Counter.prototype.GetCount),box2d.b2Counter.prototype.GetMinCount=function(){return this.m_min_count},goog.exportProperty(box2d.b2Counter.prototype,"GetMinCount",box2d.b2Counter.prototype.GetMinCount),box2d.b2Counter.prototype.GetMaxCount=function(){return this.m_max_count},goog.exportProperty(box2d.b2Counter.prototype,"GetMaxCount",box2d.b2Counter.prototype.GetMaxCount),box2d.b2Counter.prototype.ResetCount=function(){var o=this.m_count;return this.m_count=0,o},goog.exportProperty(box2d.b2Counter.prototype,"ResetCount",box2d.b2Counter.prototype.ResetCount),box2d.b2Counter.prototype.ResetMinCount=function(){this.m_min_count=0},goog.exportProperty(box2d.b2Counter.prototype,"ResetMinCount",box2d.b2Counter.prototype.ResetMinCount),box2d.b2Counter.prototype.ResetMaxCount=function(){this.m_max_count=0},goog.exportProperty(box2d.b2Counter.prototype,"ResetMaxCount",box2d.b2Counter.prototype.ResetMaxCount),box2d.b2Counter.prototype.Increment=function(){this.m_count++,this.m_max_count<this.m_count&&(this.m_max_count=this.m_count)},goog.exportProperty(box2d.b2Counter.prototype,"Increment",box2d.b2Counter.prototype.Increment),box2d.b2Counter.prototype.Decrement=function(){this.m_count--,this.m_min_count>this.m_count&&(this.m_min_count=this.m_count)},goog.exportProperty(box2d.b2Counter.prototype,"Decrement",box2d.b2Counter.prototype.Decrement),box2d.b2_toiTime=0,goog.exportSymbol("box2d.b2_toiTime",box2d.b2_toiTime),box2d.b2_toiMaxTime=0,goog.exportSymbol("box2d.b2_toiMaxTime",box2d.b2_toiMaxTime),box2d.b2_toiCalls=0,goog.exportSymbol("box2d.b2_toiCalls",box2d.b2_toiCalls),box2d.b2_toiIters=0,goog.exportSymbol("box2d.b2_toiIters",box2d.b2_toiIters),box2d.b2_toiMaxIters=0,goog.exportSymbol("box2d.b2_toiMaxIters",box2d.b2_toiMaxIters),box2d.b2_toiRootIters=0,goog.exportSymbol("box2d.b2_toiRootIters",box2d.b2_toiRootIters),box2d.b2_toiMaxRootIters=0,goog.exportSymbol("box2d.b2_toiMaxRootIters",box2d.b2_toiMaxRootIters),box2d.b2TOIInput=function(){this.proxyA=new box2d.b2DistanceProxy,this.proxyB=new box2d.b2DistanceProxy,this.sweepA=new box2d.b2Sweep,this.sweepB=new box2d.b2Sweep},goog.exportSymbol("box2d.b2TOIInput",box2d.b2TOIInput),box2d.b2TOIInput.prototype.proxyA=null,goog.exportProperty(box2d.b2TOIInput.prototype,"proxyA",box2d.b2TOIInput.prototype.proxyA),box2d.b2TOIInput.prototype.proxyB=null,goog.exportProperty(box2d.b2TOIInput.prototype,"proxyB",box2d.b2TOIInput.prototype.proxyB),box2d.b2TOIInput.prototype.sweepA=null,goog.exportProperty(box2d.b2TOIInput.prototype,"sweepA",box2d.b2TOIInput.prototype.sweepA),box2d.b2TOIInput.prototype.sweepB=null,goog.exportProperty(box2d.b2TOIInput.prototype,"sweepB",box2d.b2TOIInput.prototype.sweepB),box2d.b2TOIInput.prototype.tMax=0,goog.exportProperty(box2d.b2TOIInput.prototype,"tMax",box2d.b2TOIInput.prototype.tMax),box2d.b2TOIOutputState={e_unknown:0,e_failed:1,e_overlapped:2,e_touching:3,e_separated:4},goog.exportSymbol("box2d.b2TOIOutputState",box2d.b2TOIOutputState),goog.exportProperty(box2d.b2TOIOutputState,"e_unknown",box2d.b2TOIOutputState.e_unknown),goog.exportProperty(box2d.b2TOIOutputState,"e_failed",box2d.b2TOIOutputState.e_failed),goog.exportProperty(box2d.b2TOIOutputState,"e_overlapped",box2d.b2TOIOutputState.e_overlapped),goog.exportProperty(box2d.b2TOIOutputState,"e_touching",box2d.b2TOIOutputState.e_touching),goog.exportProperty(box2d.b2TOIOutputState,"e_separated",box2d.b2TOIOutputState.e_separated),box2d.b2TOIOutput=function(){},goog.exportSymbol("box2d.b2TOIOutput",box2d.b2TOIOutput),box2d.b2TOIOutput.prototype.state=box2d.b2TOIOutputState.e_unknown,goog.exportProperty(box2d.b2TOIOutput.prototype,"state",box2d.b2TOIOutput.prototype.state),box2d.b2TOIOutput.prototype.t=0,goog.exportProperty(box2d.b2TOIOutput.prototype,"t",box2d.b2TOIOutput.prototype.t),box2d.b2SeparationFunctionType={e_unknown:-1,e_points:0,e_faceA:1,e_faceB:2},goog.exportSymbol("box2d.b2SeparationFunctionType",box2d.b2SeparationFunctionType),goog.exportProperty(box2d.b2SeparationFunctionType,"e_unknown",box2d.b2SeparationFunctionType.e_unknown),goog.exportProperty(box2d.b2SeparationFunctionType,"e_points",box2d.b2SeparationFunctionType.e_points),goog.exportProperty(box2d.b2SeparationFunctionType,"e_faceA",box2d.b2SeparationFunctionType.e_faceA),goog.exportProperty(box2d.b2SeparationFunctionType,"e_faceB",box2d.b2SeparationFunctionType.e_faceB),box2d.b2SeparationFunction=function(){this.m_sweepA=new box2d.b2Sweep,this.m_sweepB=new box2d.b2Sweep,this.m_localPoint=new box2d.b2Vec2,this.m_axis=new box2d.b2Vec2},goog.exportSymbol("box2d.b2SeparationFunction",box2d.b2SeparationFunction),box2d.b2SeparationFunction.prototype.m_proxyA=null,goog.exportProperty(box2d.b2SeparationFunction.prototype,"m_proxyA",box2d.b2SeparationFunction.prototype.m_proxyA),box2d.b2SeparationFunction.prototype.m_proxyB=null,goog.exportProperty(box2d.b2SeparationFunction.prototype,"m_proxyB",box2d.b2SeparationFunction.prototype.m_proxyB),box2d.b2SeparationFunction.prototype.m_sweepA=null,goog.exportProperty(box2d.b2SeparationFunction.prototype,"m_sweepA",box2d.b2SeparationFunction.prototype.m_sweepA),box2d.b2SeparationFunction.prototype.m_sweepB=null,goog.exportProperty(box2d.b2SeparationFunction.prototype,"m_sweepB",box2d.b2SeparationFunction.prototype.m_sweepB),box2d.b2SeparationFunction.prototype.m_type=box2d.b2SeparationFunctionType.e_unknown,goog.exportProperty(box2d.b2SeparationFunction.prototype,"m_type",box2d.b2SeparationFunction.prototype.m_type),box2d.b2SeparationFunction.prototype.m_localPoint=null,goog.exportProperty(box2d.b2SeparationFunction.prototype,"m_localPoint",box2d.b2SeparationFunction.prototype.m_localPoint),box2d.b2SeparationFunction.prototype.m_axis=null,goog.exportProperty(box2d.b2SeparationFunction.prototype,"m_axis",box2d.b2SeparationFunction.prototype.m_axis),box2d.b2SeparationFunction.prototype.Initialize=function(o,t,e,r,i,n){return this.m_proxyA=t,this.m_proxyB=r,t=o.count,box2d.ENABLE_ASSERTS&&box2d.b2Assert(0<t&&3>t),this.m_sweepA.Copy(e),this.m_sweepB.Copy(i),e=box2d.b2TimeOfImpact.s_xfA,i=box2d.b2TimeOfImpact.s_xfB,this.m_sweepA.GetTransform(e,n),this.m_sweepB.GetTransform(i,n),1===t?(this.m_type=box2d.b2SeparationFunctionType.e_points,t=this.m_proxyA.GetVertex(o.indexA[0]),o=this.m_proxyB.GetVertex(o.indexB[0]),e=box2d.b2Mul_X_V2(e,t,box2d.b2TimeOfImpact.s_pointA),i=box2d.b2Mul_X_V2(i,o,box2d.b2TimeOfImpact.s_pointB),box2d.b2Sub_V2_V2(i,e,this.m_axis),o=this.m_axis.Normalize(),this.m_localPoint.SetZero()):(o.indexA[0]===o.indexA[1]?(this.m_type=box2d.b2SeparationFunctionType.e_faceB,t=this.m_proxyB.GetVertex(o.indexB[0]),r=this.m_proxyB.GetVertex(o.indexB[1]),box2d.b2Cross_V2_S(box2d.b2Sub_V2_V2(r,t,box2d.b2Vec2.s_t0),1,this.m_axis).SelfNormalize(),n=box2d.b2Mul_R_V2(i.q,this.m_axis,box2d.b2TimeOfImpact.s_normal),box2d.b2Mid_V2_V2(t,r,this.m_localPoint),i=box2d.b2Mul_X_V2(i,this.m_localPoint,box2d.b2TimeOfImpact.s_pointB),t=this.m_proxyA.GetVertex(o.indexA[0]),e=box2d.b2Mul_X_V2(e,t,box2d.b2TimeOfImpact.s_pointA),o=box2d.b2Dot_V2_V2(box2d.b2Sub_V2_V2(e,i,box2d.b2Vec2.s_t0),n)):(this.m_type=box2d.b2SeparationFunctionType.e_faceA,t=this.m_proxyA.GetVertex(o.indexA[0]),r=this.m_proxyA.GetVertex(o.indexA[1]),box2d.b2Cross_V2_S(box2d.b2Sub_V2_V2(r,t,box2d.b2Vec2.s_t0),1,this.m_axis).SelfNormalize(),n=box2d.b2Mul_R_V2(e.q,this.m_axis,box2d.b2TimeOfImpact.s_normal),box2d.b2Mid_V2_V2(t,r,this.m_localPoint),e=box2d.b2Mul_X_V2(e,this.m_localPoint,box2d.b2TimeOfImpact.s_pointA),o=this.m_proxyB.GetVertex(o.indexB[0]),i=box2d.b2Mul_X_V2(i,o,box2d.b2TimeOfImpact.s_pointB),o=box2d.b2Dot_V2_V2(box2d.b2Sub_V2_V2(i,e,box2d.b2Vec2.s_t0),n)),0>o&&(this.m_axis.SelfNeg(),o=-o)),o},goog.exportProperty(box2d.b2SeparationFunction.prototype,"Initialize",box2d.b2SeparationFunction.prototype.Initialize),box2d.b2SeparationFunction.prototype.FindMinSeparation=function(o,t,e){var r=box2d.b2TimeOfImpact.s_xfA,i=box2d.b2TimeOfImpact.s_xfB;switch(this.m_sweepA.GetTransform(r,e),this.m_sweepB.GetTransform(i,e),this.m_type){case box2d.b2SeparationFunctionType.e_points:var n=box2d.b2MulT_R_V2(r.q,this.m_axis,box2d.b2TimeOfImpact.s_axisA),p=box2d.b2MulT_R_V2(i.q,box2d.b2Vec2.s_t0.Copy(this.m_axis).SelfNeg(),box2d.b2TimeOfImpact.s_axisB);return o[0]=this.m_proxyA.GetSupport(n),t[0]=this.m_proxyB.GetSupport(p),o=this.m_proxyA.GetVertex(o[0]),t=this.m_proxyB.GetVertex(t[0]),r=box2d.b2Mul_X_V2(r,o,box2d.b2TimeOfImpact.s_pointA),i=box2d.b2Mul_X_V2(i,t,box2d.b2TimeOfImpact.s_pointB),box2d.b2Dot_V2_V2(box2d.b2Sub_V2_V2(i,r,box2d.b2Vec2.s_t0),this.m_axis);case box2d.b2SeparationFunctionType.e_faceA:return e=box2d.b2Mul_R_V2(r.q,this.m_axis,box2d.b2TimeOfImpact.s_normal),r=box2d.b2Mul_X_V2(r,this.m_localPoint,box2d.b2TimeOfImpact.s_pointA),p=box2d.b2MulT_R_V2(i.q,box2d.b2Vec2.s_t0.Copy(e).SelfNeg(),box2d.b2TimeOfImpact.s_axisB),o[0]=-1,t[0]=this.m_proxyB.GetSupport(p),t=this.m_proxyB.GetVertex(t[0]),i=box2d.b2Mul_X_V2(i,t,box2d.b2TimeOfImpact.s_pointB),box2d.b2Dot_V2_V2(box2d.b2Sub_V2_V2(i,r,box2d.b2Vec2.s_t0),e);case box2d.b2SeparationFunctionType.e_faceB:return e=box2d.b2Mul_R_V2(i.q,this.m_axis,box2d.b2TimeOfImpact.s_normal),i=box2d.b2Mul_X_V2(i,this.m_localPoint,box2d.b2TimeOfImpact.s_pointB),n=box2d.b2MulT_R_V2(r.q,box2d.b2Vec2.s_t0.Copy(e).SelfNeg(),box2d.b2TimeOfImpact.s_axisA),t[0]=-1,o[0]=this.m_proxyA.GetSupport(n),o=this.m_proxyA.GetVertex(o[0]),r=box2d.b2Mul_X_V2(r,o,box2d.b2TimeOfImpact.s_pointA),box2d.b2Dot_V2_V2(box2d.b2Sub_V2_V2(r,i,box2d.b2Vec2.s_t0),e);default:return box2d.ENABLE_ASSERTS&&box2d.b2Assert(!1),o[0]=-1,t[0]=-1,0}},goog.exportProperty(box2d.b2SeparationFunction.prototype,"FindMinSeparation",box2d.b2SeparationFunction.prototype.FindMinSeparation),box2d.b2SeparationFunction.prototype.Evaluate=function(o,t,e){var r=box2d.b2TimeOfImpact.s_xfA,i=box2d.b2TimeOfImpact.s_xfB;switch(this.m_sweepA.GetTransform(r,e),this.m_sweepB.GetTransform(i,e),this.m_type){case box2d.b2SeparationFunctionType.e_points:return o=this.m_proxyA.GetVertex(o),t=this.m_proxyB.GetVertex(t),r=box2d.b2Mul_X_V2(r,o,box2d.b2TimeOfImpact.s_pointA),i=box2d.b2Mul_X_V2(i,t,box2d.b2TimeOfImpact.s_pointB),box2d.b2Dot_V2_V2(box2d.b2Sub_V2_V2(i,r,box2d.b2Vec2.s_t0),this.m_axis);case box2d.b2SeparationFunctionType.e_faceA:return e=box2d.b2Mul_R_V2(r.q,this.m_axis,box2d.b2TimeOfImpact.s_normal),r=box2d.b2Mul_X_V2(r,this.m_localPoint,box2d.b2TimeOfImpact.s_pointA),t=this.m_proxyB.GetVertex(t),i=box2d.b2Mul_X_V2(i,t,box2d.b2TimeOfImpact.s_pointB),box2d.b2Dot_V2_V2(box2d.b2Sub_V2_V2(i,r,box2d.b2Vec2.s_t0),e);case box2d.b2SeparationFunctionType.e_faceB:return e=box2d.b2Mul_R_V2(i.q,this.m_axis,box2d.b2TimeOfImpact.s_normal),i=box2d.b2Mul_X_V2(i,this.m_localPoint,box2d.b2TimeOfImpact.s_pointB),o=this.m_proxyA.GetVertex(o),r=box2d.b2Mul_X_V2(r,o,box2d.b2TimeOfImpact.s_pointA),box2d.b2Dot_V2_V2(box2d.b2Sub_V2_V2(r,i,box2d.b2Vec2.s_t0),e);default:return box2d.ENABLE_ASSERTS&&box2d.b2Assert(!1),0}},goog.exportProperty(box2d.b2SeparationFunction.prototype,"Evaluate",box2d.b2SeparationFunction.prototype.Evaluate),box2d.b2TimeOfImpact=function(o,t){var e=box2d.b2TimeOfImpact.s_timer.Reset();++box2d.b2_toiCalls,o.state=box2d.b2TOIOutputState.e_unknown,o.t=t.tMax;var r=t.proxyA,i=t.proxyB,n=box2d.b2TimeOfImpact.s_sweepA.Copy(t.sweepA),p=box2d.b2TimeOfImpact.s_sweepB.Copy(t.sweepB);n.Normalize(),p.Normalize();var s=t.tMax,l=box2d.b2Max(box2d.b2_linearSlop,r.m_radius+i.m_radius-3*box2d.b2_linearSlop),x=.25*box2d.b2_linearSlop;box2d.ENABLE_ASSERTS&&box2d.b2Assert(l>x);var y=0,_=0,m=box2d.b2TimeOfImpact.s_cache;m.count=0;var u=box2d.b2TimeOfImpact.s_distanceInput;for(u.proxyA=t.proxyA,u.proxyB=t.proxyB,u.useRadii=!1;;){var h=box2d.b2TimeOfImpact.s_xfA,g=box2d.b2TimeOfImpact.s_xfB;if(n.GetTransform(h,y),p.GetTransform(g,y),u.transformA.Copy(h),u.transformB.Copy(g),h=box2d.b2TimeOfImpact.s_distanceOutput,box2d.b2ShapeDistance(h,m,u),0>=h.distance){o.state=box2d.b2TOIOutputState.e_overlapped,o.t=0;break}if(h.distance<l+x){o.state=box2d.b2TOIOutputState.e_touching,o.t=y;break}(h=box2d.b2TimeOfImpact.s_fcn).Initialize(m,r,n,i,p,y);g=!1;for(var S=s,P=0;;){var C=box2d.b2TimeOfImpact.s_indexA,A=box2d.b2TimeOfImpact.s_indexB,B=h.FindMinSeparation(C,A,S);if(B>l+x){o.state=box2d.b2TOIOutputState.e_separated,o.t=s,g=!0;break}if(B>l-x){y=S;break}var v=h.Evaluate(C[0],A[0],y);if(v<l-x){o.state=box2d.b2TOIOutputState.e_failed,o.t=y,g=!0;break}if(v<=l+x){o.state=box2d.b2TOIOutputState.e_touching,o.t=y,g=!0;break}for(var V=0,J=y,M=S;;){var D=1&V?J+(l-v)*(M-J)/(B-v):.5*(J+M);++V,++box2d.b2_toiRootIters;var w=h.Evaluate(C[0],A[0],D);if(box2d.b2Abs(w-l)<x){S=D;break}if(w>l?(J=D,v=w):(M=D,B=w),50===V)break}if(box2d.b2_toiMaxRootIters=box2d.b2Max(box2d.b2_toiMaxRootIters,V),++P===box2d.b2_maxPolygonVertices)break}if(++_,++box2d.b2_toiIters,g)break;if(20===_){o.state=box2d.b2TOIOutputState.e_failed,o.t=y;break}}box2d.b2_toiMaxIters=box2d.b2Max(box2d.b2_toiMaxIters,_),e=e.GetMilliseconds(),box2d.b2_toiMaxTime=box2d.b2Max(box2d.b2_toiMaxTime,e),box2d.b2_toiTime+=e},goog.exportSymbol("box2d.b2TimeOfImpact",box2d.b2TimeOfImpact),box2d.b2TimeOfImpact.s_timer=new box2d.b2Timer,box2d.b2TimeOfImpact.s_cache=new box2d.b2SimplexCache,box2d.b2TimeOfImpact.s_distanceInput=new box2d.b2DistanceInput,box2d.b2TimeOfImpact.s_distanceOutput=new box2d.b2DistanceOutput,box2d.b2TimeOfImpact.s_xfA=new box2d.b2Transform,box2d.b2TimeOfImpact.s_xfB=new box2d.b2Transform,box2d.b2TimeOfImpact.s_indexA=box2d.b2MakeNumberArray(1),box2d.b2TimeOfImpact.s_indexB=box2d.b2MakeNumberArray(1),box2d.b2TimeOfImpact.s_fcn=new box2d.b2SeparationFunction,box2d.b2TimeOfImpact.s_sweepA=new box2d.b2Sweep,box2d.b2TimeOfImpact.s_sweepB=new box2d.b2Sweep,box2d.b2TimeOfImpact.s_pointA=new box2d.b2Vec2,box2d.b2TimeOfImpact.s_pointB=new box2d.b2Vec2,box2d.b2TimeOfImpact.s_normal=new box2d.b2Vec2,box2d.b2TimeOfImpact.s_axisA=new box2d.b2Vec2,box2d.b2TimeOfImpact.s_axisB=new box2d.b2Vec2,box2d.b2Filter=function(){},goog.exportSymbol("box2d.b2Filter",box2d.b2Filter),box2d.b2Filter.prototype.categoryBits=1,goog.exportProperty(box2d.b2Filter.prototype,"categoryBits",box2d.b2Filter.prototype.categoryBits),box2d.b2Filter.prototype.maskBits=65535,goog.exportProperty(box2d.b2Filter.prototype,"maskBits",box2d.b2Filter.prototype.maskBits),box2d.b2Filter.prototype.groupIndex=0,goog.exportProperty(box2d.b2Filter.prototype,"groupIndex",box2d.b2Filter.prototype.groupIndex),box2d.b2Filter.prototype.Clone=function(){return(new box2d.b2Filter).Copy(this)},goog.exportProperty(box2d.b2Filter.prototype,"Clone",box2d.b2Filter.prototype.Clone),box2d.b2Filter.prototype.Copy=function(o){return box2d.ENABLE_ASSERTS&&box2d.b2Assert(this!==o),this.categoryBits=o.categoryBits,this.maskBits=o.maskBits,this.groupIndex=o.groupIndex,this},goog.exportProperty(box2d.b2Filter.prototype,"Copy",box2d.b2Filter.prototype.Copy),box2d.b2FixtureDef=function(){this.filter=new box2d.b2Filter},goog.exportSymbol("box2d.b2FixtureDef",box2d.b2FixtureDef),box2d.b2FixtureDef.prototype.shape=null,goog.exportProperty(box2d.b2FixtureDef.prototype,"shape",box2d.b2FixtureDef.prototype.shape),box2d.b2FixtureDef.prototype.userData=null,goog.exportProperty(box2d.b2FixtureDef.prototype,"userData",box2d.b2FixtureDef.prototype.userData),box2d.b2FixtureDef.prototype.friction=.2,goog.exportProperty(box2d.b2FixtureDef.prototype,"friction",box2d.b2FixtureDef.prototype.friction),box2d.b2FixtureDef.prototype.restitution=0,goog.exportProperty(box2d.b2FixtureDef.prototype,"restitution",box2d.b2FixtureDef.prototype.restitution),box2d.b2FixtureDef.prototype.density=0,goog.exportProperty(box2d.b2FixtureDef.prototype,"density",box2d.b2FixtureDef.prototype.density),box2d.b2FixtureDef.prototype.isSensor=!1;goog.exportProperty(box2d.b2FixtureDef.prototype,"isSensor",box2d.b2FixtureDef.prototype.isSensor),box2d.b2FixtureDef.prototype.filter=null,goog.exportProperty(box2d.b2FixtureDef.prototype,"filter",box2d.b2FixtureDef.prototype.filter),box2d.b2FixtureProxy=function(){this.aabb=new box2d.b2AABB},goog.exportSymbol("box2d.b2FixtureProxy",box2d.b2FixtureProxy),box2d.b2FixtureProxy.prototype.aabb=null,goog.exportProperty(box2d.b2FixtureProxy.prototype,"aabb",box2d.b2FixtureProxy.prototype.aabb),box2d.b2FixtureProxy.prototype.fixture=null,goog.exportProperty(box2d.b2FixtureProxy.prototype,"fixture",box2d.b2FixtureProxy.prototype.fixture),box2d.b2FixtureProxy.prototype.childIndex=0,goog.exportProperty(box2d.b2FixtureProxy.prototype,"childIndex",box2d.b2FixtureProxy.prototype.childIndex),box2d.b2FixtureProxy.prototype.proxy=null,goog.exportProperty(box2d.b2FixtureProxy.prototype,"proxy",box2d.b2FixtureProxy.prototype.proxy),box2d.b2FixtureProxy.MakeArray=function(o){return box2d.b2MakeArray(o,(function(o){return new box2d.b2FixtureProxy}))},goog.exportProperty(box2d.b2FixtureProxy,"MakeArray",box2d.b2FixtureProxy.MakeArray),box2d.b2Fixture=function(){this.m_proxyCount=0,this.m_filter=new box2d.b2Filter},goog.exportSymbol("box2d.b2Fixture",box2d.b2Fixture),box2d.b2Fixture.prototype.m_density=0,goog.exportProperty(box2d.b2Fixture.prototype,"m_density",box2d.b2Fixture.prototype.m_density),box2d.b2Fixture.prototype.m_next=null,goog.exportProperty(box2d.b2Fixture.prototype,"m_next",box2d.b2Fixture.prototype.m_next),box2d.b2Fixture.prototype.m_body=null,goog.exportProperty(box2d.b2Fixture.prototype,"m_body",box2d.b2Fixture.prototype.m_body),box2d.b2Fixture.prototype.m_shape=null,goog.exportProperty(box2d.b2Fixture.prototype,"m_shape",box2d.b2Fixture.prototype.m_shape),box2d.b2Fixture.prototype.m_friction=0,goog.exportProperty(box2d.b2Fixture.prototype,"m_friction",box2d.b2Fixture.prototype.m_friction),box2d.b2Fixture.prototype.m_restitution=0,goog.exportProperty(box2d.b2Fixture.prototype,"m_restitution",box2d.b2Fixture.prototype.m_restitution),box2d.b2Fixture.prototype.m_proxies=null,goog.exportProperty(box2d.b2Fixture.prototype,"m_proxies",box2d.b2Fixture.prototype.m_proxies),box2d.b2Fixture.prototype.m_proxyCount=0,goog.exportProperty(box2d.b2Fixture.prototype,"m_proxyCount",box2d.b2Fixture.prototype.m_proxyCount),box2d.b2Fixture.prototype.m_filter=null,goog.exportProperty(box2d.b2Fixture.prototype,"m_filter",box2d.b2Fixture.prototype.m_filter),box2d.b2Fixture.prototype.m_isSensor=!1,goog.exportProperty(box2d.b2Fixture.prototype,"m_isSensor",box2d.b2Fixture.prototype.m_isSensor),box2d.b2Fixture.prototype.m_userData=null,goog.exportProperty(box2d.b2Fixture.prototype,"m_userData",box2d.b2Fixture.prototype.m_userData),box2d.b2Fixture.prototype.GetType=function(){return this.m_shape.GetType()},goog.exportProperty(box2d.b2Fixture.prototype,"GetType",box2d.b2Fixture.prototype.GetType),box2d.b2Fixture.prototype.GetShape=function(){return this.m_shape},goog.exportProperty(box2d.b2Fixture.prototype,"GetShape",box2d.b2Fixture.prototype.GetShape),box2d.b2Fixture.prototype.IsSensor=function(){return this.m_isSensor},goog.exportProperty(box2d.b2Fixture.prototype,"IsSensor",box2d.b2Fixture.prototype.IsSensor),box2d.b2Fixture.prototype.GetFilterData=function(o){return(o=o||new box2d.b2Filter).Copy(this.m_filter)},goog.exportProperty(box2d.b2Fixture.prototype,"GetFilterData",box2d.b2Fixture.prototype.GetFilterData),box2d.b2Fixture.prototype.GetUserData=function(){return this.m_userData},goog.exportProperty(box2d.b2Fixture.prototype,"GetUserData",box2d.b2Fixture.prototype.GetUserData),box2d.b2Fixture.prototype.SetUserData=function(o){this.m_userData=o},goog.exportProperty(box2d.b2Fixture.prototype,"SetUserData",box2d.b2Fixture.prototype.SetUserData),box2d.b2Fixture.prototype.GetBody=function(){return this.m_body},goog.exportProperty(box2d.b2Fixture.prototype,"GetBody",box2d.b2Fixture.prototype.GetBody),box2d.b2Fixture.prototype.GetNext=function(){return this.m_next},goog.exportProperty(box2d.b2Fixture.prototype,"GetNext",box2d.b2Fixture.prototype.GetNext),box2d.b2Fixture.prototype.SetDensity=function(o){this.m_density=o},goog.exportProperty(box2d.b2Fixture.prototype,"SetDensity",box2d.b2Fixture.prototype.SetDensity),box2d.b2Fixture.prototype.GetDensity=function(){return this.m_density},goog.exportProperty(box2d.b2Fixture.prototype,"GetDensity",box2d.b2Fixture.prototype.GetDensity),box2d.b2Fixture.prototype.GetFriction=function(){return this.m_friction},goog.exportProperty(box2d.b2Fixture.prototype,"GetFriction",box2d.b2Fixture.prototype.GetFriction),box2d.b2Fixture.prototype.SetFriction=function(o){this.m_friction=o},goog.exportProperty(box2d.b2Fixture.prototype,"SetFriction",box2d.b2Fixture.prototype.SetFriction),box2d.b2Fixture.prototype.GetRestitution=function(){return this.m_restitution},goog.exportProperty(box2d.b2Fixture.prototype,"GetRestitution",box2d.b2Fixture.prototype.GetRestitution),box2d.b2Fixture.prototype.SetRestitution=function(o){this.m_restitution=o},goog.exportProperty(box2d.b2Fixture.prototype,"SetRestitution",box2d.b2Fixture.prototype.SetRestitution),box2d.b2Fixture.prototype.TestPoint=function(o){return this.m_shape.TestPoint(this.m_body.GetTransform(),o)},goog.exportProperty(box2d.b2Fixture.prototype,"TestPoint",box2d.b2Fixture.prototype.TestPoint),box2d.b2Fixture.prototype.ComputeDistance=function(o,t,e){return this.m_shape.ComputeDistance(this.m_body.GetTransform(),o,t,e)},goog.exportProperty(box2d.b2Fixture.prototype,"ComputeDistance",box2d.b2Fixture.prototype.ComputeDistance),box2d.b2Fixture.prototype.RayCast=function(o,t,e){return this.m_shape.RayCast(o,t,this.m_body.GetTransform(),e)},goog.exportProperty(box2d.b2Fixture.prototype,"RayCast",box2d.b2Fixture.prototype.RayCast),box2d.b2Fixture.prototype.GetMassData=function(o){return o=o||new box2d.b2MassData,this.m_shape.ComputeMass(o,this.m_density),o},goog.exportProperty(box2d.b2Fixture.prototype,"GetMassData",box2d.b2Fixture.prototype.GetMassData),box2d.b2Fixture.prototype.GetAABB=function(o){return 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e.shape=o,e.density="number"==typeof t?t:0,this.CreateFixture_Def(e)},goog.exportProperty(box2d.b2Body.prototype,"CreateFixture_Shape_Density",box2d.b2Body.prototype.CreateFixture_Shape_Density),box2d.b2Body.prototype.CreateFixture_Shape_Density.s_def=new box2d.b2FixtureDef,box2d.b2Body.prototype.DestroyFixture=function(o){if(box2d.ENABLE_ASSERTS&&box2d.b2Assert(!this.m_world.IsLocked()),!this.m_world.IsLocked()){box2d.ENABLE_ASSERTS&&box2d.b2Assert(o.m_body===this),box2d.ENABLE_ASSERTS&&box2d.b2Assert(0<this.m_fixtureCount);for(var t=this.m_fixtureList,e=null,r=!1;null!==t;){if(t===o){e?e.m_next=o.m_next:this.m_fixtureList=o.m_next,r=!0;break}e=t,t=t.m_next}for(box2d.ENABLE_ASSERTS&&box2d.b2Assert(r),t=this.m_contactList;t;){e=t.contact,t=t.next,r=e.GetFixtureA();var i=e.GetFixtureB();o!==r&&o!==i||this.m_world.m_contactManager.Destroy(e)}this.m_flag_activeFlag&&o.DestroyProxies(this.m_world.m_contactManager.m_broadPhase),o.Destroy(),o.m_body=null,o.m_next=null,--this.m_fixtureCount,this.ResetMassData()}},goog.exportProperty(box2d.b2Body.prototype,"DestroyFixture",box2d.b2Body.prototype.DestroyFixture),box2d.b2Body.prototype.SetTransform=function(o,t,e){if(o instanceof box2d.b2Vec2&&"number"==typeof t)this.SetTransform_X_Y_A(o.x,o.y,t);else if(o instanceof box2d.b2Transform)this.SetTransform_X_Y_A(o.p.x,o.p.y,o.GetAngle());else{if("number"!=typeof o||"number"!=typeof t||"number"!=typeof e)throw Error();this.SetTransform_X_Y_A(o,t,e)}},goog.exportProperty(box2d.b2Body.prototype,"SetTransform",box2d.b2Body.prototype.SetTransform),box2d.b2Body.prototype.SetTransform_V2_A=function(o,t){this.SetTransform_X_Y_A(o.x,o.y,t)},goog.exportProperty(box2d.b2Body.prototype,"SetTransform_V2_A",box2d.b2Body.prototype.SetTransform_V2_A),box2d.b2Body.prototype.SetTransform_X_Y_A=function(o,t,e){if(box2d.ENABLE_ASSERTS&&box2d.b2Assert(!this.m_world.IsLocked()),!this.m_world.IsLocked()&&(this.m_xf.p.x!==o||this.m_xf.p.y!==t||this.m_xf.q.GetAngle()!==e))for(this.m_xf.q.SetAngle(e),this.m_xf.p.Set(o,t),this.m_xf0.Copy(this.m_xf),box2d.b2Mul_X_V2(this.m_xf,this.m_sweep.localCenter,this.m_sweep.c),this.m_sweep.a=e,this.m_sweep.c0.Copy(this.m_sweep.c),this.m_sweep.a0=e,o=this.m_world.m_contactManager.m_broadPhase,t=this.m_fixtureList;t;t=t.m_next)t.Synchronize(o,this.m_xf,this.m_xf)},goog.exportProperty(box2d.b2Body.prototype,"SetTransform_X_Y_A",box2d.b2Body.prototype.SetTransform_X_Y_A),box2d.b2Body.prototype.SetTransform_X=function(o){this.SetTransform_X_Y_A(o.p.x,o.p.y,o.GetAngle())},goog.exportProperty(box2d.b2Body.prototype,"SetTransform_X",box2d.b2Body.prototype.SetTransform_X),box2d.b2Body.prototype.GetTransform=function(o){return(o=o||this.m_out_xf).Copy(this.m_xf)},goog.exportProperty(box2d.b2Body.prototype,"GetTransform",box2d.b2Body.prototype.GetTransform),box2d.b2Body.prototype.GetPosition=function(o){return(o=o||this.m_out_xf.p).Copy(this.m_xf.p)},goog.exportProperty(box2d.b2Body.prototype,"GetPosition",box2d.b2Body.prototype.GetPosition),box2d.b2Body.prototype.SetPosition=function(o){this.SetTransform_V2_A(o,this.GetAngle())},goog.exportProperty(box2d.b2Body.prototype,"SetPosition",box2d.b2Body.prototype.SetPosition),box2d.b2Body.prototype.SetPositionXY=function(o,t){this.SetTransform_X_Y_A(o,t,this.GetAngle())},goog.exportProperty(box2d.b2Body.prototype,"SetPositionXY",box2d.b2Body.prototype.SetPositionXY),box2d.b2Body.prototype.GetRotation=function(o){return(o=o||this.m_out_xf.q).Copy(this.m_xf.q)},goog.exportProperty(box2d.b2Body.prototype,"GetRotation",box2d.b2Body.prototype.GetRotation),box2d.b2Body.prototype.SetRotation=function(o){this.SetTransform_V2_A(this.GetPosition(),o.GetAngle())},goog.exportProperty(box2d.b2Body.prototype,"SetRotation",box2d.b2Body.prototype.SetRotation),box2d.b2Body.prototype.GetAngle=function(){return this.m_sweep.a},goog.exportProperty(box2d.b2Body.prototype,"GetAngle",box2d.b2Body.prototype.GetAngle),box2d.b2Body.prototype.SetAngle=function(o){this.SetTransform_V2_A(this.GetPosition(),o)},goog.exportProperty(box2d.b2Body.prototype,"SetAngle",box2d.b2Body.prototype.SetAngle),box2d.b2Body.prototype.GetWorldCenter=function(o){return(o=o||this.m_out_sweep.c).Copy(this.m_sweep.c)},goog.exportProperty(box2d.b2Body.prototype,"GetWorldCenter",box2d.b2Body.prototype.GetWorldCenter),box2d.b2Body.prototype.GetLocalCenter=function(o){return(o=o||this.m_out_sweep.localCenter).Copy(this.m_sweep.localCenter)},goog.exportProperty(box2d.b2Body.prototype,"GetLocalCenter",box2d.b2Body.prototype.GetLocalCenter),box2d.b2Body.prototype.SetLinearVelocity=function(o){this.m_type!==box2d.b2BodyType.b2_staticBody&&(0<box2d.b2Dot_V2_V2(o,o)&&this.SetAwake(!0),this.m_linearVelocity.Copy(o))},goog.exportProperty(box2d.b2Body.prototype,"SetLinearVelocity",box2d.b2Body.prototype.SetLinearVelocity),box2d.b2Body.prototype.GetLinearVelocity=function(o){return(o=o||this.m_out_linearVelocity).Copy(this.m_linearVelocity)},goog.exportProperty(box2d.b2Body.prototype,"GetLinearVelocity",box2d.b2Body.prototype.GetLinearVelocity),box2d.b2Body.prototype.SetAngularVelocity=function(o){this.m_type!==box2d.b2BodyType.b2_staticBody&&(0<o*o&&this.SetAwake(!0),this.m_angularVelocity=o)},goog.exportProperty(box2d.b2Body.prototype,"SetAngularVelocity",box2d.b2Body.prototype.SetAngularVelocity),box2d.b2Body.prototype.GetAngularVelocity=function(){return this.m_angularVelocity},goog.exportProperty(box2d.b2Body.prototype,"GetAngularVelocity",box2d.b2Body.prototype.GetAngularVelocity),box2d.b2Body.prototype.GetDefinition=function(o){return o.type=this.GetType(),o.allowSleep=this.m_flag_autoSleepFlag,o.angle=this.GetAngle(),o.angularDamping=this.m_angularDamping,o.gravityScale=this.m_gravityScale,o.angularVelocity=this.m_angularVelocity,o.fixedRotation=this.m_flag_fixedRotationFlag,o.bullet=this.m_flag_bulletFlag,o.awake=this.m_flag_awakeFlag,o.linearDamping=this.m_linearDamping,o.linearVelocity.Copy(this.GetLinearVelocity()),o.position.Copy(this.GetPosition()),o.userData=this.GetUserData(),o},goog.exportProperty(box2d.b2Body.prototype,"GetDefinition",box2d.b2Body.prototype.GetDefinition),box2d.b2Body.prototype.ApplyForce=function(o,t,e){this.m_type===box2d.b2BodyType.b2_dynamicBody&&(!this.m_flag_awakeFlag&&this.SetAwake(!0),this.m_flag_awakeFlag&&(this.m_force.x+=o.x,this.m_force.y+=o.y,this.m_torque+=(t.x-this.m_sweep.c.x)*o.y-(t.y-this.m_sweep.c.y)*o.x))},goog.exportProperty(box2d.b2Body.prototype,"ApplyForce",box2d.b2Body.prototype.ApplyForce),box2d.b2Body.prototype.ApplyForceToCenter=function(o,t){this.m_type===box2d.b2BodyType.b2_dynamicBody&&(("boolean"==typeof t?t:1)&&!this.m_flag_awakeFlag&&this.SetAwake(!0),this.m_flag_awakeFlag&&(this.m_force.x+=o.x,this.m_force.y+=o.y))},goog.exportProperty(box2d.b2Body.prototype,"ApplyForceToCenter",box2d.b2Body.prototype.ApplyForceToCenter),box2d.b2Body.prototype.ApplyTorque=function(o,t){this.m_type===box2d.b2BodyType.b2_dynamicBody&&(("boolean"==typeof t?t:1)&&!this.m_flag_awakeFlag&&this.SetAwake(!0),this.m_flag_awakeFlag&&(this.m_torque+=o))},goog.exportProperty(box2d.b2Body.prototype,"ApplyTorque",box2d.b2Body.prototype.ApplyTorque),box2d.b2Body.prototype.ApplyLinearImpulse=function(o,t,e){this.m_type===box2d.b2BodyType.b2_dynamicBody&&(("boolean"==typeof e?e:1)&&!this.m_flag_awakeFlag&&this.SetAwake(!0),this.m_flag_awakeFlag&&(this.m_linearVelocity.x+=this.m_invMass*o.x,this.m_linearVelocity.y+=this.m_invMass*o.y,this.m_angularVelocity+=this.m_invI*((t.x-this.m_sweep.c.x)*o.y-(t.y-this.m_sweep.c.y)*o.x)))},goog.exportProperty(box2d.b2Body.prototype,"ApplyLinearImpulse",box2d.b2Body.prototype.ApplyLinearImpulse),box2d.b2Body.prototype.ApplyLinearImpulseToCenter=function(o,t){this.m_type===box2d.b2BodyType.b2_dynamicBody&&(("boolean"==typeof t?t:1)&&!this.m_flag_awakeFlag&&this.SetAwake(!0),this.m_flag_awakeFlag&&(this.m_linearVelocity.x+=this.m_invMass*o.x,this.m_linearVelocity.y+=this.m_invMass*o.y))},goog.exportProperty(box2d.b2Body.prototype,"ApplyLinearImpulseToCenter",box2d.b2Body.prototype.ApplyLinearImpulseToCenter),box2d.b2Body.prototype.ApplyAngularImpulse=function(o,t){this.m_type===box2d.b2BodyType.b2_dynamicBody&&(("boolean"==typeof t?t:1)&&!this.m_flag_awakeFlag&&this.SetAwake(!0),this.m_flag_awakeFlag&&(this.m_angularVelocity+=this.m_invI*o))},goog.exportProperty(box2d.b2Body.prototype,"ApplyAngularImpulse",box2d.b2Body.prototype.ApplyAngularImpulse),box2d.b2Body.prototype.GetMass=function(){return this.m_mass},goog.exportProperty(box2d.b2Body.prototype,"GetMass",box2d.b2Body.prototype.GetMass),box2d.b2Body.prototype.GetInertia=function(){return this.m_I+this.m_mass*box2d.b2Dot_V2_V2(this.m_sweep.localCenter,this.m_sweep.localCenter)},goog.exportProperty(box2d.b2Body.prototype,"GetInertia",box2d.b2Body.prototype.GetInertia),box2d.b2Body.prototype.GetMassData=function(o){return o.mass=this.m_mass,o.I=this.m_I+this.m_mass*box2d.b2Dot_V2_V2(this.m_sweep.localCenter,this.m_sweep.localCenter),o.center.Copy(this.m_sweep.localCenter),o},goog.exportProperty(box2d.b2Body.prototype,"GetMassData",box2d.b2Body.prototype.GetMassData),box2d.b2Body.prototype.SetMassData=function(o){if(box2d.ENABLE_ASSERTS&&box2d.b2Assert(!this.m_world.IsLocked()),!this.m_world.IsLocked()&&this.m_type===box2d.b2BodyType.b2_dynamicBody){this.m_invI=this.m_I=this.m_invMass=0,this.m_mass=o.mass,0>=this.m_mass&&(this.m_mass=1),this.m_invMass=1/this.m_mass,0<o.I&&!this.m_flag_fixedRotationFlag&&(this.m_I=o.I-this.m_mass*box2d.b2Dot_V2_V2(o.center,o.center),box2d.ENABLE_ASSERTS&&box2d.b2Assert(0<this.m_I),this.m_invI=1/this.m_I);var t=box2d.b2Body.prototype.SetMassData.s_oldCenter.Copy(this.m_sweep.c);this.m_sweep.localCenter.Copy(o.center),box2d.b2Mul_X_V2(this.m_xf,this.m_sweep.localCenter,this.m_sweep.c),this.m_sweep.c0.Copy(this.m_sweep.c),box2d.b2AddCross_V2_S_V2(this.m_linearVelocity,this.m_angularVelocity,box2d.b2Sub_V2_V2(this.m_sweep.c,t,box2d.b2Vec2.s_t0),this.m_linearVelocity)}},goog.exportProperty(box2d.b2Body.prototype,"SetMassData",box2d.b2Body.prototype.SetMassData),box2d.b2Body.prototype.SetMassData.s_oldCenter=new box2d.b2Vec2,box2d.b2Body.prototype.ResetMassData=function(){if(this.m_invI=this.m_I=this.m_invMass=this.m_mass=0,this.m_sweep.localCenter.SetZero(),this.m_type===box2d.b2BodyType.b2_staticBody||this.m_type===box2d.b2BodyType.b2_kinematicBody)this.m_sweep.c0.Copy(this.m_xf.p),this.m_sweep.c.Copy(this.m_xf.p),this.m_sweep.a0=this.m_sweep.a;else{box2d.ENABLE_ASSERTS&&box2d.b2Assert(this.m_type===box2d.b2BodyType.b2_dynamicBody);for(var o=box2d.b2Body.prototype.ResetMassData.s_localCenter.SetZero(),t=this.m_fixtureList;t;t=t.m_next)if(0!==t.m_density){var e=t.GetMassData(box2d.b2Body.prototype.ResetMassData.s_massData);this.m_mass+=e.mass,o.x+=e.center.x*e.mass,o.y+=e.center.y*e.mass,this.m_I+=e.I}0<this.m_mass?(this.m_invMass=1/this.m_mass,o.x*=this.m_invMass,o.y*=this.m_invMass):this.m_invMass=this.m_mass=1,0<this.m_I&&!this.m_flag_fixedRotationFlag?(this.m_I-=this.m_mass*box2d.b2Dot_V2_V2(o,o),box2d.ENABLE_ASSERTS&&box2d.b2Assert(0<this.m_I),this.m_invI=1/this.m_I):this.m_invI=this.m_I=0,t=box2d.b2Body.prototype.ResetMassData.s_oldCenter.Copy(this.m_sweep.c),this.m_sweep.localCenter.Copy(o),box2d.b2Mul_X_V2(this.m_xf,this.m_sweep.localCenter,this.m_sweep.c),this.m_sweep.c0.Copy(this.m_sweep.c),box2d.b2AddCross_V2_S_V2(this.m_linearVelocity,this.m_angularVelocity,box2d.b2Sub_V2_V2(this.m_sweep.c,t,box2d.b2Vec2.s_t0),this.m_linearVelocity)}},goog.exportProperty(box2d.b2Body.prototype,"ResetMassData",box2d.b2Body.prototype.ResetMassData),box2d.b2Body.prototype.ResetMassData.s_localCenter=new box2d.b2Vec2,box2d.b2Body.prototype.ResetMassData.s_oldCenter=new box2d.b2Vec2,box2d.b2Body.prototype.ResetMassData.s_massData=new box2d.b2MassData,box2d.b2Body.prototype.GetWorldPoint=function(o,t){return box2d.b2Mul_X_V2(this.m_xf,o,t)},goog.exportProperty(box2d.b2Body.prototype,"GetWorldPoint",box2d.b2Body.prototype.GetWorldPoint),box2d.b2Body.prototype.GetWorldVector=function(o,t){return box2d.b2Mul_R_V2(this.m_xf.q,o,t)},goog.exportProperty(box2d.b2Body.prototype,"GetWorldVector",box2d.b2Body.prototype.GetWorldVector),box2d.b2Body.prototype.GetLocalPoint=function(o,t){return box2d.b2MulT_X_V2(this.m_xf,o,t)},goog.exportProperty(box2d.b2Body.prototype,"GetLocalPoint",box2d.b2Body.prototype.GetLocalPoint),box2d.b2Body.prototype.GetLocalVector=function(o,t){return box2d.b2MulT_R_V2(this.m_xf.q,o,t)},goog.exportProperty(box2d.b2Body.prototype,"GetLocalVector",box2d.b2Body.prototype.GetLocalVector),box2d.b2Body.prototype.GetLinearVelocityFromWorldPoint=function(o,t){return box2d.b2AddCross_V2_S_V2(this.m_linearVelocity,this.m_angularVelocity,box2d.b2Sub_V2_V2(o,this.m_sweep.c,box2d.b2Vec2.s_t0),t)},goog.exportProperty(box2d.b2Body.prototype,"GetLinearVelocityFromWorldPoint",box2d.b2Body.prototype.GetLinearVelocityFromWorldPoint),box2d.b2Body.prototype.GetLinearVelocityFromLocalPoint=function(o,t){return this.GetLinearVelocityFromWorldPoint(this.GetWorldPoint(o,t),t)},goog.exportProperty(box2d.b2Body.prototype,"GetLinearVelocityFromLocalPoint",box2d.b2Body.prototype.GetLinearVelocityFromLocalPoint),box2d.b2Body.prototype.GetLinearDamping=function(){return this.m_linearDamping},goog.exportProperty(box2d.b2Body.prototype,"GetLinearDamping",box2d.b2Body.prototype.GetLinearDamping),box2d.b2Body.prototype.SetLinearDamping=function(o){this.m_linearDamping=o},goog.exportProperty(box2d.b2Body.prototype,"SetLinearDamping",box2d.b2Body.prototype.SetLinearDamping),box2d.b2Body.prototype.GetAngularDamping=function(){return this.m_angularDamping},goog.exportProperty(box2d.b2Body.prototype,"GetAngularDamping",box2d.b2Body.prototype.GetAngularDamping),box2d.b2Body.prototype.SetAngularDamping=function(o){this.m_angularDamping=o},goog.exportProperty(box2d.b2Body.prototype,"SetAngularDamping",box2d.b2Body.prototype.SetAngularDamping),box2d.b2Body.prototype.GetGravityScale=function(){return this.m_gravityScale},goog.exportProperty(box2d.b2Body.prototype,"GetGravityScale",box2d.b2Body.prototype.GetGravityScale),box2d.b2Body.prototype.SetGravityScale=function(o){this.m_gravityScale=o},goog.exportProperty(box2d.b2Body.prototype,"SetGravityScale",box2d.b2Body.prototype.SetGravityScale),box2d.b2Body.prototype.SetType=function(o){if(box2d.ENABLE_ASSERTS&&box2d.b2Assert(!this.m_world.IsLocked()),!this.m_world.IsLocked()&&this.m_type!==o){for(this.m_type=o,this.ResetMassData(),this.m_type===box2d.b2BodyType.b2_staticBody&&(this.m_linearVelocity.SetZero(),this.m_angularVelocity=0,this.m_sweep.a0=this.m_sweep.a,this.m_sweep.c0.Copy(this.m_sweep.c),this.SynchronizeFixtures()),this.SetAwake(!0),this.m_force.SetZero(),this.m_torque=0,o=this.m_contactList;o;){var t=o;o=o.next,this.m_world.m_contactManager.Destroy(t.contact)}for(this.m_contactList=null,o=this.m_world.m_contactManager.m_broadPhase,t=this.m_fixtureList;t;t=t.m_next)for(var e=t.m_proxyCount,r=0;r<e;++r)o.TouchProxy(t.m_proxies[r].proxy)}},goog.exportProperty(box2d.b2Body.prototype,"SetType",box2d.b2Body.prototype.SetType),box2d.b2Body.prototype.GetType=function(){return this.m_type},goog.exportProperty(box2d.b2Body.prototype,"GetType",box2d.b2Body.prototype.GetType),box2d.b2Body.prototype.SetBullet=function(o){this.m_flag_bulletFlag=o},goog.exportProperty(box2d.b2Body.prototype,"SetBullet",box2d.b2Body.prototype.SetBullet),box2d.b2Body.prototype.IsBullet=function(){return this.m_flag_bulletFlag},goog.exportProperty(box2d.b2Body.prototype,"IsBullet",box2d.b2Body.prototype.IsBullet),box2d.b2Body.prototype.SetSleepingAllowed=function(o){o?this.m_flag_autoSleepFlag=!0:(this.m_flag_autoSleepFlag=!1,this.SetAwake(!0))},goog.exportProperty(box2d.b2Body.prototype,"SetSleepingAllowed",box2d.b2Body.prototype.SetSleepingAllowed),box2d.b2Body.prototype.IsSleepingAllowed=function(){return this.m_flag_autoSleepFlag},goog.exportProperty(box2d.b2Body.prototype,"IsSleepingAllowed",box2d.b2Body.prototype.IsSleepingAllowed),box2d.b2Body.prototype.SetAwake=function(o){o?this.m_flag_awakeFlag||(this.m_flag_awakeFlag=!0,this.m_sleepTime=0):(this.m_flag_awakeFlag=!1,this.m_sleepTime=0,this.m_linearVelocity.SetZero(),this.m_angularVelocity=0,this.m_force.SetZero(),this.m_torque=0)},goog.exportProperty(box2d.b2Body.prototype,"SetAwake",box2d.b2Body.prototype.SetAwake),box2d.b2Body.prototype.IsAwake=function(){return this.m_flag_awakeFlag},goog.exportProperty(box2d.b2Body.prototype,"IsAwake",box2d.b2Body.prototype.IsAwake),box2d.b2Body.prototype.SetActive=function(o){if(box2d.ENABLE_ASSERTS&&box2d.b2Assert(!this.m_world.IsLocked()),o!==this.IsActive())if(o){this.m_flag_activeFlag=!0,o=this.m_world.m_contactManager.m_broadPhase;for(var t=this.m_fixtureList;t;t=t.m_next)t.CreateProxies(o,this.m_xf)}else{for(this.m_flag_activeFlag=!1,o=this.m_world.m_contactManager.m_broadPhase,t=this.m_fixtureList;t;t=t.m_next)t.DestroyProxies(o);for(o=this.m_contactList;o;)t=o,o=o.next,this.m_world.m_contactManager.Destroy(t.contact);this.m_contactList=null}},goog.exportProperty(box2d.b2Body.prototype,"SetActive",box2d.b2Body.prototype.SetActive),box2d.b2Body.prototype.IsActive=function(){return this.m_flag_activeFlag},goog.exportProperty(box2d.b2Body.prototype,"IsActive",box2d.b2Body.prototype.IsActive),box2d.b2Body.prototype.SetFixedRotation=function(o){this.m_flag_fixedRotationFlag!==o&&(this.m_flag_fixedRotationFlag=o,this.m_angularVelocity=0,this.ResetMassData())},goog.exportProperty(box2d.b2Body.prototype,"SetFixedRotation",box2d.b2Body.prototype.SetFixedRotation),box2d.b2Body.prototype.IsFixedRotation=function(){return this.m_flag_fixedRotationFlag},goog.exportProperty(box2d.b2Body.prototype,"IsFixedRotation",box2d.b2Body.prototype.IsFixedRotation),box2d.b2Body.prototype.GetFixtureList=function(){return this.m_fixtureList},goog.exportProperty(box2d.b2Body.prototype,"GetFixtureList",box2d.b2Body.prototype.GetFixtureList),box2d.b2Body.prototype.GetJointList=function(){return this.m_jointList},goog.exportProperty(box2d.b2Body.prototype,"GetJointList",box2d.b2Body.prototype.GetJointList),box2d.b2Body.prototype.GetContactList=function(){return this.m_contactList},goog.exportProperty(box2d.b2Body.prototype,"GetContactList",box2d.b2Body.prototype.GetContactList),box2d.b2Body.prototype.GetNext=function(){return this.m_next},goog.exportProperty(box2d.b2Body.prototype,"GetNext",box2d.b2Body.prototype.GetNext),box2d.b2Body.prototype.GetUserData=function(){return this.m_userData},goog.exportProperty(box2d.b2Body.prototype,"GetUserData",box2d.b2Body.prototype.GetUserData),box2d.b2Body.prototype.SetUserData=function(o){this.m_userData=o},goog.exportProperty(box2d.b2Body.prototype,"SetUserData",box2d.b2Body.prototype.SetUserData),box2d.b2Body.prototype.GetWorld=function(){return this.m_world},goog.exportProperty(box2d.b2Body.prototype,"GetWorld",box2d.b2Body.prototype.GetWorld),box2d.b2Body.prototype.SynchronizeFixtures=function(){var o=box2d.b2Body.prototype.SynchronizeFixtures.s_xf1;o.q.SetAngle(this.m_sweep.a0),box2d.b2Mul_R_V2(o.q,this.m_sweep.localCenter,o.p),box2d.b2Sub_V2_V2(this.m_sweep.c0,o.p,o.p);for(var t=this.m_world.m_contactManager.m_broadPhase,e=this.m_fixtureList;e;e=e.m_next)e.Synchronize(t,o,this.m_xf)},goog.exportProperty(box2d.b2Body.prototype,"SynchronizeFixtures",box2d.b2Body.prototype.SynchronizeFixtures),box2d.b2Body.prototype.SynchronizeFixtures.s_xf1=new 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this.m_manifold},goog.exportProperty(box2d.b2Contact.prototype,"GetManifold",box2d.b2Contact.prototype.GetManifold),box2d.b2Contact.prototype.GetWorldManifold=function(o){var t=this.m_fixtureA.GetBody(),e=this.m_fixtureB.GetBody(),r=this.m_fixtureA.GetShape(),i=this.m_fixtureB.GetShape();o.Initialize(this.m_manifold,t.GetTransform(),r.m_radius,e.GetTransform(),i.m_radius)},goog.exportProperty(box2d.b2Contact.prototype,"GetWorldManifold",box2d.b2Contact.prototype.GetWorldManifold),box2d.b2Contact.prototype.IsTouching=function(){return this.m_flag_touchingFlag},goog.exportProperty(box2d.b2Contact.prototype,"IsTouching",box2d.b2Contact.prototype.IsTouching),box2d.b2Contact.prototype.SetEnabled=function(o){this.m_flag_enabledFlag=o},goog.exportProperty(box2d.b2Contact.prototype,"SetEnabled",box2d.b2Contact.prototype.SetEnabled),box2d.b2Contact.prototype.IsEnabled=function(){return this.m_flag_enabledFlag},goog.exportProperty(box2d.b2Contact.prototype,"IsEnabled",box2d.b2Contact.prototype.IsEnabled),box2d.b2Contact.prototype.GetNext=function(){return this.m_next},goog.exportProperty(box2d.b2Contact.prototype,"GetNext",box2d.b2Contact.prototype.GetNext),box2d.b2Contact.prototype.GetFixtureA=function(){return this.m_fixtureA},goog.exportProperty(box2d.b2Contact.prototype,"GetFixtureA",box2d.b2Contact.prototype.GetFixtureA),box2d.b2Contact.prototype.GetChildIndexA=function(){return this.m_indexA},goog.exportProperty(box2d.b2Contact.prototype,"GetChildIndexA",box2d.b2Contact.prototype.GetChildIndexA),box2d.b2Contact.prototype.GetFixtureB=function(){return this.m_fixtureB},goog.exportProperty(box2d.b2Contact.prototype,"GetFixtureB",box2d.b2Contact.prototype.GetFixtureB),box2d.b2Contact.prototype.GetChildIndexB=function(){return this.m_indexB},goog.exportProperty(box2d.b2Contact.prototype,"GetChildIndexB",box2d.b2Contact.prototype.GetChildIndexB),box2d.b2Contact.prototype.Evaluate=function(o,t,e){},goog.exportProperty(box2d.b2Contact.prototype,"Evaluate",box2d.b2Contact.prototype.Evaluate),box2d.b2Contact.prototype.FlagForFiltering=function(){this.m_flag_filterFlag=!0},goog.exportProperty(box2d.b2Contact.prototype,"FlagForFiltering",box2d.b2Contact.prototype.FlagForFiltering),box2d.b2Contact.prototype.SetFriction=function(o){this.m_friction=o},goog.exportProperty(box2d.b2Contact.prototype,"SetFriction",box2d.b2Contact.prototype.SetFriction),box2d.b2Contact.prototype.GetFriction=function(){return this.m_friction},goog.exportProperty(box2d.b2Contact.prototype,"GetFriction",box2d.b2Contact.prototype.GetFriction),box2d.b2Contact.prototype.ResetFriction=function(){this.m_friction=box2d.b2MixFriction(this.m_fixtureA.m_friction,this.m_fixtureB.m_friction)},goog.exportProperty(box2d.b2Contact.prototype,"ResetFriction",box2d.b2Contact.prototype.ResetFriction),box2d.b2Contact.prototype.SetRestitution=function(o){this.m_restitution=o},goog.exportProperty(box2d.b2Contact.prototype,"SetRestitution",box2d.b2Contact.prototype.SetRestitution),box2d.b2Contact.prototype.GetRestitution=function(){return this.m_restitution},goog.exportProperty(box2d.b2Contact.prototype,"GetRestitution",box2d.b2Contact.prototype.GetRestitution),box2d.b2Contact.prototype.ResetRestitution=function(){this.m_restitution=box2d.b2MixRestitution(this.m_fixtureA.m_restitution,this.m_fixtureB.m_restitution)},goog.exportProperty(box2d.b2Contact.prototype,"ResetRestitution",box2d.b2Contact.prototype.ResetRestitution),box2d.b2Contact.prototype.SetTangentSpeed=function(o){this.m_tangentSpeed=o},goog.exportProperty(box2d.b2Contact.prototype,"SetTangentSpeed",box2d.b2Contact.prototype.SetTangentSpeed),box2d.b2Contact.prototype.GetTangentSpeed=function(){return this.m_tangentSpeed},goog.exportProperty(box2d.b2Contact.prototype,"GetTangentSpeed",box2d.b2Contact.prototype.GetTangentSpeed),box2d.b2Contact.prototype.Reset=function(o,t,e,r){this.m_flag_touchingFlag=this.m_flag_islandFlag=!1,this.m_flag_enabledFlag=!0,this.m_flag_toiFlag=this.m_flag_bulletHitFlag=this.m_flag_filterFlag=!1,this.m_fixtureA=o,this.m_fixtureB=e,this.m_indexA=t,this.m_indexB=r,this.m_manifold.pointCount=0,this.m_next=this.m_prev=null,this.m_nodeA.contact=null,this.m_nodeA.prev=null,this.m_nodeA.next=null,this.m_nodeA.other=null,this.m_nodeB.contact=null,this.m_nodeB.prev=null,this.m_nodeB.next=null,this.m_nodeB.other=null,this.m_toiCount=0,this.m_friction=box2d.b2MixFriction(this.m_fixtureA.m_friction,this.m_fixtureB.m_friction),this.m_restitution=box2d.b2MixRestitution(this.m_fixtureA.m_restitution,this.m_fixtureB.m_restitution)},goog.exportProperty(box2d.b2Contact.prototype,"Reset",box2d.b2Contact.prototype.Reset),box2d.b2Contact.prototype.Update=function(o){var t=this.m_oldManifold;this.m_oldManifold=this.m_manifold,this.m_manifold=t,this.m_flag_enabledFlag=!0;var e=!1,r=(t=this.m_flag_touchingFlag,this.m_fixtureA.IsSensor()),i=this.m_fixtureB.IsSensor(),n=(r=r||i,i=this.m_fixtureA.GetBody(),this.m_fixtureB.GetBody()),p=(e=i.GetTransform(),n.GetTransform());if(r)i=this.m_fixtureA.GetShape(),n=this.m_fixtureB.GetShape(),e=box2d.b2TestOverlap_Shape(i,this.m_indexA,n,this.m_indexB,e,p),this.m_manifold.pointCount=0;else{for(this.Evaluate(this.m_manifold,e,p),e=0<this.m_manifold.pointCount,p=0;p<this.m_manifold.pointCount;++p){var s=this.m_manifold.points[p];s.normalImpulse=0,s.tangentImpulse=0;for(var l=s.id,x=0;x<this.m_oldManifold.pointCount;++x){var y=this.m_oldManifold.points[x];if(y.id.key===l.key){s.normalImpulse=y.normalImpulse,s.tangentImpulse=y.tangentImpulse;break}}}e!==t&&(i.SetAwake(!0),n.SetAwake(!0))}this.m_flag_touchingFlag=e,!t&&e&&o&&o.BeginContact(this),t&&!e&&o&&o.EndContact(this),!r&&e&&o&&o.PreSolve(this,this.m_oldManifold)},goog.exportProperty(box2d.b2Contact.prototype,"Update",box2d.b2Contact.prototype.Update),box2d.b2Contact.prototype.ComputeTOI=function(o,t){var e=box2d.b2Contact.prototype.ComputeTOI.s_input;e.proxyA.SetShape(this.m_fixtureA.GetShape(),this.m_indexA),e.proxyB.SetShape(this.m_fixtureB.GetShape(),this.m_indexB),e.sweepA.Copy(o),e.sweepB.Copy(t),e.tMax=box2d.b2_linearSlop;var r=box2d.b2Contact.prototype.ComputeTOI.s_output;return box2d.b2TimeOfImpact(r,e),r.t},goog.exportProperty(box2d.b2Contact.prototype,"ComputeTOI",box2d.b2Contact.prototype.ComputeTOI),box2d.b2Contact.prototype.ComputeTOI.s_input=new box2d.b2TOIInput,box2d.b2Contact.prototype.ComputeTOI.s_output=new box2d.b2TOIOutput,box2d.b2ChainAndCircleContact=function(){box2d.b2Contact.call(this)},goog.inherits(box2d.b2ChainAndCircleContact,box2d.b2Contact),goog.exportSymbol("box2d.b2ChainAndCircleContact",box2d.b2ChainAndCircleContact),box2d.b2ChainAndCircleContact.Create=function(o){return new box2d.b2ChainAndCircleContact},goog.exportProperty(box2d.b2ChainAndCircleContact,"Create",box2d.b2ChainAndCircleContact.Create),box2d.b2ChainAndCircleContact.Destroy=function(o,t){},goog.exportProperty(box2d.b2ChainAndCircleContact,"Destroy",box2d.b2ChainAndCircleContact.Destroy),box2d.b2ChainAndCircleContact.prototype.Evaluate=function(o,t,e){var r=this.m_fixtureA.GetShape(),i=this.m_fixtureB.GetShape();box2d.ENABLE_ASSERTS&&box2d.b2Assert(r instanceof box2d.b2ChainShape),box2d.ENABLE_ASSERTS&&box2d.b2Assert(i instanceof box2d.b2CircleShape);var n=box2d.b2ChainAndCircleContact.prototype.Evaluate.s_edge;(r instanceof box2d.b2ChainShape?r:null).GetChildEdge(n,this.m_indexA),box2d.b2CollideEdgeAndCircle(o,n,t,i instanceof box2d.b2CircleShape?i:null,e)},goog.exportProperty(box2d.b2ChainAndCircleContact.prototype,"Evaluate",box2d.b2ChainAndCircleContact.prototype.Evaluate),box2d.b2ChainAndCircleContact.prototype.Evaluate.s_edge=new box2d.b2EdgeShape,box2d.b2ChainAndPolygonContact=function(){box2d.b2Contact.call(this)},goog.inherits(box2d.b2ChainAndPolygonContact,box2d.b2Contact),goog.exportSymbol("box2d.b2ChainAndPolygonContact",box2d.b2ChainAndPolygonContact),box2d.b2ChainAndPolygonContact.Create=function(o){return new box2d.b2ChainAndPolygonContact},goog.exportProperty(box2d.b2ChainAndPolygonContact,"Create",box2d.b2ChainAndPolygonContact.Create),box2d.b2ChainAndPolygonContact.Destroy=function(o,t){},goog.exportProperty(box2d.b2ChainAndPolygonContact,"Destroy",box2d.b2ChainAndPolygonContact.Destroy),box2d.b2ChainAndPolygonContact.prototype.Evaluate=function(o,t,e){var r=this.m_fixtureA.GetShape(),i=this.m_fixtureB.GetShape();box2d.ENABLE_ASSERTS&&box2d.b2Assert(r instanceof box2d.b2ChainShape),box2d.ENABLE_ASSERTS&&box2d.b2Assert(i instanceof box2d.b2PolygonShape);var n=box2d.b2ChainAndPolygonContact.prototype.Evaluate.s_edge;(r instanceof box2d.b2ChainShape?r:null).GetChildEdge(n,this.m_indexA),box2d.b2CollideEdgeAndPolygon(o,n,t,i instanceof box2d.b2PolygonShape?i:null,e)},goog.exportProperty(box2d.b2ChainAndPolygonContact.prototype,"Evaluate",box2d.b2ChainAndPolygonContact.prototype.Evaluate),box2d.b2ChainAndPolygonContact.prototype.Evaluate.s_edge=new box2d.b2EdgeShape,box2d.b2CircleContact=function(){box2d.b2Contact.call(this)},goog.inherits(box2d.b2CircleContact,box2d.b2Contact),goog.exportSymbol("box2d.b2CircleContact",box2d.b2CircleContact),box2d.b2CircleContact.Create=function(o){return new box2d.b2CircleContact},goog.exportProperty(box2d.b2CircleContact,"Create",box2d.b2CircleContact.Create),box2d.b2CircleContact.Destroy=function(o,t){},goog.exportProperty(box2d.b2CircleContact,"Destroy",box2d.b2CircleContact.Destroy),box2d.b2CircleContact.prototype.Evaluate=function(o,t,e){var r=this.m_fixtureA.GetShape(),i=this.m_fixtureB.GetShape();box2d.ENABLE_ASSERTS&&box2d.b2Assert(r instanceof box2d.b2CircleShape),box2d.ENABLE_ASSERTS&&box2d.b2Assert(i instanceof box2d.b2CircleShape),box2d.b2CollideCircles(o,r instanceof box2d.b2CircleShape?r:null,t,i instanceof box2d.b2CircleShape?i:null,e)},goog.exportProperty(box2d.b2CircleContact.prototype,"Evaluate",box2d.b2CircleContact.prototype.Evaluate),box2d.b2ContactRegister=function(){},goog.exportSymbol("box2d.b2ContactRegister",box2d.b2ContactRegister),box2d.b2ContactRegister.prototype.createFcn=null,box2d.b2ContactRegister.prototype.destroyFcn=null,box2d.b2ContactRegister.prototype.primary=!1,box2d.b2ContactFactory=function(o){this.m_allocator=o,this.InitializeRegisters()},goog.exportSymbol("box2d.b2ContactFactory",box2d.b2ContactFactory),box2d.b2ContactFactory.prototype.m_allocator=null,box2d.b2ContactFactory.prototype.AddType=function(o,t,e,r){var i=box2d.b2MakeArray(256,(function(t){return o()}));t=function(t){return 0<i.length?i.pop():o(t)};var f=function(o,t){i.push(o)};this.m_registers[e][r].pool=i,this.m_registers[e][r].createFcn=t,this.m_registers[e][r].destroyFcn=f,this.m_registers[e][r].primary=!0,e!==r&&(this.m_registers[r][e].pool=i,this.m_registers[r][e].createFcn=t,this.m_registers[r][e].destroyFcn=f,this.m_registers[r][e].primary=!1)},goog.exportProperty(box2d.b2ContactFactory.prototype,"AddType",box2d.b2ContactFactory.prototype.AddType),box2d.b2ContactFactory.prototype.InitializeRegisters=function(){this.m_registers=Array(box2d.b2ShapeType.e_shapeTypeCount);for(var o=0;o<box2d.b2ShapeType.e_shapeTypeCount;o++){this.m_registers[o]=Array(box2d.b2ShapeType.e_shapeTypeCount);for(var t=0;t<box2d.b2ShapeType.e_shapeTypeCount;t++)this.m_registers[o][t]=new box2d.b2ContactRegister}this.AddType(box2d.b2CircleContact.Create,box2d.b2CircleContact.Destroy,box2d.b2ShapeType.e_circleShape,box2d.b2ShapeType.e_circleShape),this.AddType(box2d.b2PolygonAndCircleContact.Create,box2d.b2PolygonAndCircleContact.Destroy,box2d.b2ShapeType.e_polygonShape,box2d.b2ShapeType.e_circleShape),this.AddType(box2d.b2PolygonContact.Create,box2d.b2PolygonContact.Destroy,box2d.b2ShapeType.e_polygonShape,box2d.b2ShapeType.e_polygonShape),this.AddType(box2d.b2EdgeAndCircleContact.Create,box2d.b2EdgeAndCircleContact.Destroy,box2d.b2ShapeType.e_edgeShape,box2d.b2ShapeType.e_circleShape),this.AddType(box2d.b2EdgeAndPolygonContact.Create,box2d.b2EdgeAndPolygonContact.Destroy,box2d.b2ShapeType.e_edgeShape,box2d.b2ShapeType.e_polygonShape),this.AddType(box2d.b2ChainAndCircleContact.Create,box2d.b2ChainAndCircleContact.Destroy,box2d.b2ShapeType.e_chainShape,box2d.b2ShapeType.e_circleShape),this.AddType(box2d.b2ChainAndPolygonContact.Create,box2d.b2ChainAndPolygonContact.Destroy,box2d.b2ShapeType.e_chainShape,box2d.b2ShapeType.e_polygonShape)},goog.exportProperty(box2d.b2ContactFactory.prototype,"InitializeRegisters",box2d.b2ContactFactory.prototype.InitializeRegisters),box2d.b2ContactFactory.prototype.Create=function(o,t,e,r){var i=o.GetType(),n=e.GetType();return box2d.ENABLE_ASSERTS&&box2d.b2Assert(0<=i&&i<box2d.b2ShapeType.e_shapeTypeCount),box2d.ENABLE_ASSERTS&&box2d.b2Assert(0<=n&&n<box2d.b2ShapeType.e_shapeTypeCount),null!==(n=(i=this.m_registers[i][n]).createFcn)?(i.primary?(i=n(this.m_allocator)).Reset(o,t,e,r):(i=n(this.m_allocator)).Reset(e,r,o,t),i):null},goog.exportProperty(box2d.b2ContactFactory.prototype,"Create",box2d.b2ContactFactory.prototype.Create),box2d.b2ContactFactory.prototype.Destroy=function(o){var t=o.m_fixtureA,e=o.m_fixtureB;0<o.m_manifold.pointCount&&!t.IsSensor()&&!e.IsSensor()&&(t.GetBody().SetAwake(!0),e.GetBody().SetAwake(!0)),t=t.GetType(),e=e.GetType(),box2d.ENABLE_ASSERTS&&box2d.b2Assert(0<=t&&e<box2d.b2ShapeType.e_shapeTypeCount),box2d.ENABLE_ASSERTS&&box2d.b2Assert(0<=t&&e<box2d.b2ShapeType.e_shapeTypeCount),(e=this.m_registers[t][e].destroyFcn)(o,this.m_allocator)},goog.exportProperty(box2d.b2ContactFactory.prototype,"Destroy",box2d.b2ContactFactory.prototype.Destroy),box2d.b2ContactManager=function(){this.m_broadPhase=new box2d.b2BroadPhase,this.m_contactFactory=new box2d.b2ContactFactory(this.m_allocator)},box2d.b2ContactManager.prototype.m_broadPhase=null,goog.exportProperty(box2d.b2ContactManager.prototype,"m_broadPhase",box2d.b2ContactManager.prototype.m_broadPhase),box2d.b2ContactManager.prototype.m_contactList=null,goog.exportProperty(box2d.b2ContactManager.prototype,"m_contactList",box2d.b2ContactManager.prototype.m_contactList),box2d.b2ContactManager.prototype.m_contactCount=0,goog.exportProperty(box2d.b2ContactManager.prototype,"m_contactCount",box2d.b2ContactManager.prototype.m_contactCount),box2d.b2ContactManager.prototype.m_contactFilter=box2d.b2ContactFilter.b2_defaultFilter,goog.exportProperty(box2d.b2ContactManager.prototype,"m_contactFilter",box2d.b2ContactManager.prototype.m_contactFilter),box2d.b2ContactManager.prototype.m_contactListener=box2d.b2ContactListener.b2_defaultListener,goog.exportProperty(box2d.b2ContactManager.prototype,"m_contactListener",box2d.b2ContactManager.prototype.m_contactListener),box2d.b2ContactManager.prototype.m_allocator=null,goog.exportProperty(box2d.b2ContactManager.prototype,"m_allocator",box2d.b2ContactManager.prototype.m_allocator),box2d.b2ContactManager.prototype.m_contactFactory=null,goog.exportProperty(box2d.b2ContactManager.prototype,"m_contactFactory",box2d.b2ContactManager.prototype.m_contactFactory),box2d.b2ContactManager.prototype.Destroy=function(o){var t=o.GetFixtureA(),e=o.GetFixtureB();t=t.GetBody(),e=e.GetBody();this.m_contactListener&&o.IsTouching()&&this.m_contactListener.EndContact(o),o.m_prev&&(o.m_prev.m_next=o.m_next),o.m_next&&(o.m_next.m_prev=o.m_prev),o===this.m_contactList&&(this.m_contactList=o.m_next),o.m_nodeA.prev&&(o.m_nodeA.prev.next=o.m_nodeA.next),o.m_nodeA.next&&(o.m_nodeA.next.prev=o.m_nodeA.prev),o.m_nodeA===t.m_contactList&&(t.m_contactList=o.m_nodeA.next),o.m_nodeB.prev&&(o.m_nodeB.prev.next=o.m_nodeB.next),o.m_nodeB.next&&(o.m_nodeB.next.prev=o.m_nodeB.prev),o.m_nodeB===e.m_contactList&&(e.m_contactList=o.m_nodeB.next),this.m_contactFactory.Destroy(o),--this.m_contactCount},goog.exportProperty(box2d.b2ContactManager.prototype,"Destroy",box2d.b2ContactManager.prototype.Destroy),box2d.b2ContactManager.prototype.Collide=function(){for(var o=this.m_contactList;o;){var t=o.GetFixtureA(),e=o.GetFixtureB(),r=o.GetChildIndexA(),i=o.GetChildIndexB(),n=t.GetBody(),p=e.GetBody();if(o.m_flag_filterFlag){if(!p.ShouldCollide(n)){o=(t=o).m_next,this.Destroy(t);continue}if(this.m_contactFilter&&!this.m_contactFilter.ShouldCollide(t,e)){o=(t=o).m_next,this.Destroy(t);continue}o.m_flag_filterFlag=!1}n=n.IsAwake()&&n.m_type!==box2d.b2BodyType.b2_staticBody,p=p.IsAwake()&&p.m_type!==box2d.b2BodyType.b2_staticBody,n||p?this.m_broadPhase.TestOverlap(t.m_proxies[r].proxy,e.m_proxies[i].proxy)?(o.Update(this.m_contactListener),o=o.m_next):(o=(t=o).m_next,this.Destroy(t)):o=o.m_next}},goog.exportProperty(box2d.b2ContactManager.prototype,"Collide",box2d.b2ContactManager.prototype.Collide),box2d.b2ContactManager.prototype.FindNewContacts=function(){this.m_broadPhase.UpdatePairs(this)},goog.exportProperty(box2d.b2ContactManager.prototype,"FindNewContacts",box2d.b2ContactManager.prototype.FindNewContacts),box2d.b2ContactManager.prototype.AddPair=function(o,t){box2d.ENABLE_ASSERTS&&box2d.b2Assert(o instanceof box2d.b2FixtureProxy),box2d.ENABLE_ASSERTS&&box2d.b2Assert(t instanceof box2d.b2FixtureProxy);var e=o.fixture,r=t.fixture,i=o.childIndex,n=t.childIndex,p=e.GetBody(),s=r.GetBody();if(p!==s){for(var l=s.GetContactList();l;){if(l.other===p){var x=l.contact.GetFixtureA(),y=l.contact.GetFixtureB(),_=l.contact.GetChildIndexA(),m=l.contact.GetChildIndexB();if(x===e&&y===r&&_===i&&m===n||x===r&&y===e&&_===n&&m===i)return}l=l.next}!s.ShouldCollide(p)||this.m_contactFilter&&!this.m_contactFilter.ShouldCollide(e,r)||null!==(i=this.m_contactFactory.Create(e,i,r,n))&&(e=i.GetFixtureA(),r=i.GetFixtureB(),p=e.m_body,s=r.m_body,i.m_prev=null,i.m_next=this.m_contactList,null!==this.m_contactList&&(this.m_contactList.m_prev=i),this.m_contactList=i,i.m_nodeA.contact=i,i.m_nodeA.other=s,i.m_nodeA.prev=null,i.m_nodeA.next=p.m_contactList,null!==p.m_contactList&&(p.m_contactList.prev=i.m_nodeA),p.m_contactList=i.m_nodeA,i.m_nodeB.contact=i,i.m_nodeB.other=p,i.m_nodeB.prev=null,i.m_nodeB.next=s.m_contactList,null!==s.m_contactList&&(s.m_contactList.prev=i.m_nodeB),s.m_contactList=i.m_nodeB,e.IsSensor()||r.IsSensor()||(p.SetAwake(!0),s.SetAwake(!0)),++this.m_contactCount)}},goog.exportProperty(box2d.b2ContactManager.prototype,"AddPair",box2d.b2ContactManager.prototype.AddPair),box2d.b2EdgeAndCircleContact=function(){box2d.b2Contact.call(this)},goog.inherits(box2d.b2EdgeAndCircleContact,box2d.b2Contact),goog.exportSymbol("box2d.b2EdgeAndCircleContact",box2d.b2EdgeAndCircleContact),box2d.b2EdgeAndCircleContact.Create=function(o){return new box2d.b2EdgeAndCircleContact},goog.exportProperty(box2d.b2EdgeAndCircleContact,"Create",box2d.b2EdgeAndCircleContact.Create),box2d.b2EdgeAndCircleContact.Destroy=function(o,t){},goog.exportProperty(box2d.b2EdgeAndCircleContact,"Destroy",box2d.b2EdgeAndCircleContact.Destroy),box2d.b2EdgeAndCircleContact.prototype.Evaluate=function(o,t,e){var r=this.m_fixtureA.GetShape(),i=this.m_fixtureB.GetShape();box2d.ENABLE_ASSERTS&&box2d.b2Assert(r instanceof box2d.b2EdgeShape),box2d.ENABLE_ASSERTS&&box2d.b2Assert(i instanceof box2d.b2CircleShape),box2d.b2CollideEdgeAndCircle(o,r instanceof box2d.b2EdgeShape?r:null,t,i instanceof box2d.b2CircleShape?i:null,e)},goog.exportProperty(box2d.b2EdgeAndCircleContact.prototype,"Evaluate",box2d.b2EdgeAndCircleContact.prototype.Evaluate),box2d.b2EdgeAndPolygonContact=function(){box2d.b2Contact.call(this)},goog.inherits(box2d.b2EdgeAndPolygonContact,box2d.b2Contact),goog.exportSymbol("box2d.b2EdgeAndPolygonContact",box2d.b2EdgeAndPolygonContact),box2d.b2EdgeAndPolygonContact.Create=function(o){return new box2d.b2EdgeAndPolygonContact},goog.exportProperty(box2d.b2EdgeAndPolygonContact,"Create",box2d.b2EdgeAndPolygonContact.Create),box2d.b2EdgeAndPolygonContact.Destroy=function(o,t){},goog.exportProperty(box2d.b2EdgeAndPolygonContact,"Destroy",box2d.b2EdgeAndPolygonContact.Destroy),box2d.b2EdgeAndPolygonContact.prototype.Evaluate=function(o,t,e){var r=this.m_fixtureA.GetShape(),i=this.m_fixtureB.GetShape();box2d.ENABLE_ASSERTS&&box2d.b2Assert(r instanceof box2d.b2EdgeShape),box2d.ENABLE_ASSERTS&&box2d.b2Assert(i instanceof box2d.b2PolygonShape),box2d.b2CollideEdgeAndPolygon(o,r instanceof box2d.b2EdgeShape?r:null,t,i instanceof box2d.b2PolygonShape?i:null,e)},goog.exportProperty(box2d.b2EdgeAndPolygonContact.prototype,"Evaluate",box2d.b2EdgeAndPolygonContact.prototype.Evaluate),box2d.b2PolygonAndCircleContact=function(){box2d.b2Contact.call(this)},goog.inherits(box2d.b2PolygonAndCircleContact,box2d.b2Contact),goog.exportSymbol("box2d.b2PolygonAndCircleContact",box2d.b2PolygonAndCircleContact),box2d.b2PolygonAndCircleContact.Create=function(o){return new box2d.b2PolygonAndCircleContact},goog.exportProperty(box2d.b2PolygonAndCircleContact,"Create",box2d.b2PolygonAndCircleContact.Create),box2d.b2PolygonAndCircleContact.Destroy=function(o,t){},goog.exportProperty(box2d.b2PolygonAndCircleContact,"Destroy",box2d.b2PolygonAndCircleContact.Destroy),box2d.b2PolygonAndCircleContact.prototype.Evaluate=function(o,t,e){var r=this.m_fixtureA.GetShape(),i=this.m_fixtureB.GetShape();box2d.ENABLE_ASSERTS&&box2d.b2Assert(r instanceof box2d.b2PolygonShape),box2d.ENABLE_ASSERTS&&box2d.b2Assert(i instanceof box2d.b2CircleShape),box2d.b2CollidePolygonAndCircle(o,r instanceof box2d.b2PolygonShape?r:null,t,i instanceof box2d.b2CircleShape?i:null,e)},goog.exportProperty(box2d.b2PolygonAndCircleContact.prototype,"Evaluate",box2d.b2PolygonAndCircleContact.prototype.Evaluate),box2d.b2PolygonContact=function(){box2d.b2Contact.call(this)},goog.inherits(box2d.b2PolygonContact,box2d.b2Contact),goog.exportSymbol("box2d.b2PolygonContact",box2d.b2PolygonContact),box2d.b2PolygonContact.Create=function(o){return new box2d.b2PolygonContact},goog.exportProperty(box2d.b2PolygonContact,"Create",box2d.b2PolygonContact.Create),box2d.b2PolygonContact.Destroy=function(o,t){},goog.exportProperty(box2d.b2PolygonContact,"Destroy",box2d.b2PolygonContact.Destroy),box2d.b2PolygonContact.prototype.Evaluate=function(o,t,e){var r=this.m_fixtureA.GetShape(),i=this.m_fixtureB.GetShape();box2d.ENABLE_ASSERTS&&box2d.b2Assert(r instanceof box2d.b2PolygonShape),box2d.ENABLE_ASSERTS&&box2d.b2Assert(i instanceof box2d.b2PolygonShape),box2d.b2CollidePolygons(o,r instanceof box2d.b2PolygonShape?r:null,t,i instanceof box2d.b2PolygonShape?i:null,e)},goog.exportProperty(box2d.b2PolygonContact.prototype,"Evaluate",box2d.b2PolygonContact.prototype.Evaluate),box2d.g_blockSolve=!0,box2d.b2VelocityConstraintPoint=function(){this.rA=new box2d.b2Vec2,this.rB=new box2d.b2Vec2},goog.exportSymbol("box2d.b2VelocityConstraintPoint",box2d.b2VelocityConstraintPoint),box2d.b2VelocityConstraintPoint.prototype.rA=null,goog.exportProperty(box2d.b2VelocityConstraintPoint.prototype,"rA",box2d.b2VelocityConstraintPoint.prototype.rA),box2d.b2VelocityConstraintPoint.prototype.rB=null,goog.exportProperty(box2d.b2VelocityConstraintPoint.prototype,"rB",box2d.b2VelocityConstraintPoint.prototype.rB),box2d.b2VelocityConstraintPoint.prototype.normalImpulse=0,goog.exportProperty(box2d.b2VelocityConstraintPoint.prototype,"normalImpulse",box2d.b2VelocityConstraintPoint.prototype.normalImpulse),box2d.b2VelocityConstraintPoint.prototype.tangentImpulse=0,goog.exportProperty(box2d.b2VelocityConstraintPoint.prototype,"tangentImpulse",box2d.b2VelocityConstraintPoint.prototype.tangentImpulse),box2d.b2VelocityConstraintPoint.prototype.normalMass=0,goog.exportProperty(box2d.b2VelocityConstraintPoint.prototype,"normalMass",box2d.b2VelocityConstraintPoint.prototype.normalMass),box2d.b2VelocityConstraintPoint.prototype.tangentMass=0,goog.exportProperty(box2d.b2VelocityConstraintPoint.prototype,"tangentMass",box2d.b2VelocityConstraintPoint.prototype.tangentMass),box2d.b2VelocityConstraintPoint.prototype.velocityBias=0,goog.exportProperty(box2d.b2VelocityConstraintPoint.prototype,"velocityBias",box2d.b2VelocityConstraintPoint.prototype.velocityBias),box2d.b2VelocityConstraintPoint.MakeArray=function(o){return box2d.b2MakeArray(o,(function(o){return new box2d.b2VelocityConstraintPoint}))},goog.exportProperty(box2d.b2VelocityConstraintPoint,"MakeArray",box2d.b2VelocityConstraintPoint.MakeArray),box2d.b2ContactVelocityConstraint=function(){this.points=box2d.b2VelocityConstraintPoint.MakeArray(box2d.b2_maxManifoldPoints),this.normal=new box2d.b2Vec2,this.tangent=new box2d.b2Vec2,this.normalMass=new box2d.b2Mat22,this.K=new box2d.b2Mat22},goog.exportSymbol("box2d.b2ContactVelocityConstraint",box2d.b2ContactVelocityConstraint),box2d.b2ContactVelocityConstraint.prototype.points=null,goog.exportProperty(box2d.b2ContactVelocityConstraint.prototype,"points",box2d.b2ContactVelocityConstraint.prototype.points),box2d.b2ContactVelocityConstraint.prototype.normal=null,goog.exportProperty(box2d.b2ContactVelocityConstraint.prototype,"normal",box2d.b2ContactVelocityConstraint.prototype.normal),box2d.b2ContactVelocityConstraint.prototype.tangent=null,goog.exportProperty(box2d.b2ContactVelocityConstraint.prototype,"tangent",box2d.b2ContactVelocityConstraint.prototype.tangent),box2d.b2ContactVelocityConstraint.prototype.normalMass=null,goog.exportProperty(box2d.b2ContactVelocityConstraint.prototype,"normalMass",box2d.b2ContactVelocityConstraint.prototype.normalMass),box2d.b2ContactVelocityConstraint.prototype.K=null,goog.exportProperty(box2d.b2ContactVelocityConstraint.prototype,"K",box2d.b2ContactVelocityConstraint.prototype.K),box2d.b2ContactVelocityConstraint.prototype.indexA=0,goog.exportProperty(box2d.b2ContactVelocityConstraint.prototype,"indexA",box2d.b2ContactVelocityConstraint.prototype.indexA),box2d.b2ContactVelocityConstraint.prototype.indexB=0,goog.exportProperty(box2d.b2ContactVelocityConstraint.prototype,"indexB",box2d.b2ContactVelocityConstraint.prototype.indexB),box2d.b2ContactVelocityConstraint.prototype.invMassA=0,goog.exportProperty(box2d.b2ContactVelocityConstraint.prototype,"invMassA",box2d.b2ContactVelocityConstraint.prototype.invMassA),box2d.b2ContactVelocityConstraint.prototype.invMassB=0,goog.exportProperty(box2d.b2ContactVelocityConstraint.prototype,"invMassB",box2d.b2ContactVelocityConstraint.prototype.invMassB),box2d.b2ContactVelocityConstraint.prototype.invIA=0,goog.exportProperty(box2d.b2ContactVelocityConstraint.prototype,"invIA",box2d.b2ContactVelocityConstraint.prototype.invIA),box2d.b2ContactVelocityConstraint.prototype.invIB=0,goog.exportProperty(box2d.b2ContactVelocityConstraint.prototype,"invIB",box2d.b2ContactVelocityConstraint.prototype.invIB),box2d.b2ContactVelocityConstraint.prototype.friction=0,goog.exportProperty(box2d.b2ContactVelocityConstraint.prototype,"friction",box2d.b2ContactVelocityConstraint.prototype.friction),box2d.b2ContactVelocityConstraint.prototype.restitution=0,goog.exportProperty(box2d.b2ContactVelocityConstraint.prototype,"restitution",box2d.b2ContactVelocityConstraint.prototype.restitution),box2d.b2ContactVelocityConstraint.prototype.tangentSpeed=0,goog.exportProperty(box2d.b2ContactVelocityConstraint.prototype,"tangentSpeed",box2d.b2ContactVelocityConstraint.prototype.tangentSpeed),box2d.b2ContactVelocityConstraint.prototype.pointCount=0,goog.exportProperty(box2d.b2ContactVelocityConstraint.prototype,"pointCount",box2d.b2ContactVelocityConstraint.prototype.pointCount),box2d.b2ContactVelocityConstraint.prototype.contactIndex=0,goog.exportProperty(box2d.b2ContactVelocityConstraint.prototype,"contactIndex",box2d.b2ContactVelocityConstraint.prototype.contactIndex),box2d.b2ContactVelocityConstraint.MakeArray=function(o){return box2d.b2MakeArray(o,(function(o){return new box2d.b2ContactVelocityConstraint}))},goog.exportProperty(box2d.b2ContactVelocityConstraint,"MakeArray",box2d.b2ContactVelocityConstraint.MakeArray),box2d.b2ContactPositionConstraint=function(){this.localPoints=box2d.b2Vec2.MakeArray(box2d.b2_maxManifoldPoints),this.localNormal=new box2d.b2Vec2,this.localPoint=new box2d.b2Vec2,this.localCenterA=new box2d.b2Vec2,this.localCenterB=new box2d.b2Vec2},goog.exportSymbol("box2d.b2ContactPositionConstraint",box2d.b2ContactPositionConstraint),box2d.b2ContactPositionConstraint.prototype.localPoints=null,goog.exportProperty(box2d.b2ContactPositionConstraint.prototype,"localPoints",box2d.b2ContactPositionConstraint.prototype.localPoints),box2d.b2ContactPositionConstraint.prototype.localNormal=null,goog.exportProperty(box2d.b2ContactPositionConstraint.prototype,"localNormal",box2d.b2ContactPositionConstraint.prototype.localNormal),box2d.b2ContactPositionConstraint.prototype.localPoint=null,goog.exportProperty(box2d.b2ContactPositionConstraint.prototype,"localPoint",box2d.b2ContactPositionConstraint.prototype.localPoint),box2d.b2ContactPositionConstraint.prototype.indexA=0,goog.exportProperty(box2d.b2ContactPositionConstraint.prototype,"indexA",box2d.b2ContactPositionConstraint.prototype.indexA),box2d.b2ContactPositionConstraint.prototype.indexB=0,goog.exportProperty(box2d.b2ContactPositionConstraint.prototype,"indexB",box2d.b2ContactPositionConstraint.prototype.indexB),box2d.b2ContactPositionConstraint.prototype.invMassA=0,goog.exportProperty(box2d.b2ContactPositionConstraint.prototype,"invMassA",box2d.b2ContactPositionConstraint.prototype.invMassA),box2d.b2ContactPositionConstraint.prototype.invMassB=0,goog.exportProperty(box2d.b2ContactPositionConstraint.prototype,"invMassB",box2d.b2ContactPositionConstraint.prototype.invMassB),box2d.b2ContactPositionConstraint.prototype.localCenterA=null,goog.exportProperty(box2d.b2ContactPositionConstraint.prototype,"localCenterA",box2d.b2ContactPositionConstraint.prototype.localCenterA),box2d.b2ContactPositionConstraint.prototype.localCenterB=null,goog.exportProperty(box2d.b2ContactPositionConstraint.prototype,"localCenterB",box2d.b2ContactPositionConstraint.prototype.localCenterB),box2d.b2ContactPositionConstraint.prototype.invIA=0,goog.exportProperty(box2d.b2ContactPositionConstraint.prototype,"invIA",box2d.b2ContactPositionConstraint.prototype.invIA),box2d.b2ContactPositionConstraint.prototype.invIB=0,goog.exportProperty(box2d.b2ContactPositionConstraint.prototype,"invIB",box2d.b2ContactPositionConstraint.prototype.invIB),box2d.b2ContactPositionConstraint.prototype.type=box2d.b2ManifoldType.e_unknown,goog.exportProperty(box2d.b2ContactPositionConstraint.prototype,"type",box2d.b2ContactPositionConstraint.prototype.type),box2d.b2ContactPositionConstraint.prototype.radiusA=0,goog.exportProperty(box2d.b2ContactPositionConstraint.prototype,"radiusA",box2d.b2ContactPositionConstraint.prototype.radiusA),box2d.b2ContactPositionConstraint.prototype.radiusB=0,goog.exportProperty(box2d.b2ContactPositionConstraint.prototype,"radiusB",box2d.b2ContactPositionConstraint.prototype.radiusB),box2d.b2ContactPositionConstraint.prototype.pointCount=0,goog.exportProperty(box2d.b2ContactPositionConstraint.prototype,"pointCount",box2d.b2ContactPositionConstraint.prototype.pointCount),box2d.b2ContactPositionConstraint.MakeArray=function(o){return box2d.b2MakeArray(o,(function(o){return new box2d.b2ContactPositionConstraint}))},goog.exportProperty(box2d.b2ContactPositionConstraint,"MakeArray",box2d.b2ContactPositionConstraint.MakeArray),box2d.b2ContactSolverDef=function(){this.step=new box2d.b2TimeStep},goog.exportSymbol("box2d.b2ContactSolverDef",box2d.b2ContactSolverDef),box2d.b2ContactSolverDef.prototype.step=null,goog.exportProperty(box2d.b2ContactSolverDef.prototype,"step",box2d.b2ContactSolverDef.prototype.step),box2d.b2ContactSolverDef.prototype.contacts=null,goog.exportProperty(box2d.b2ContactSolverDef.prototype,"contacts",box2d.b2ContactSolverDef.prototype.contacts),box2d.b2ContactSolverDef.prototype.count=0,goog.exportProperty(box2d.b2ContactSolverDef.prototype,"count",box2d.b2ContactSolverDef.prototype.count),box2d.b2ContactSolverDef.prototype.positions=null,goog.exportProperty(box2d.b2ContactSolverDef.prototype,"positions",box2d.b2ContactSolverDef.prototype.positions),box2d.b2ContactSolverDef.prototype.velocities=null,goog.exportProperty(box2d.b2ContactSolverDef.prototype,"velocities",box2d.b2ContactSolverDef.prototype.velocities),box2d.b2ContactSolverDef.prototype.allocator=null,goog.exportProperty(box2d.b2ContactSolverDef.prototype,"allocator",box2d.b2ContactSolverDef.prototype.allocator);box2d.b2ContactSolver=function(){this.m_step=new box2d.b2TimeStep,this.m_positionConstraints=box2d.b2ContactPositionConstraint.MakeArray(1024),this.m_velocityConstraints=box2d.b2ContactVelocityConstraint.MakeArray(1024)},goog.exportSymbol("box2d.b2ContactSolver",box2d.b2ContactSolver),box2d.b2ContactSolver.prototype.m_step=null,goog.exportProperty(box2d.b2ContactSolver.prototype,"m_step",box2d.b2ContactSolver.prototype.m_step),box2d.b2ContactSolver.prototype.m_positions=null,goog.exportProperty(box2d.b2ContactSolver.prototype,"m_positions",box2d.b2ContactSolver.prototype.m_positions),box2d.b2ContactSolver.prototype.m_velocities=null,goog.exportProperty(box2d.b2ContactSolver.prototype,"m_velocities",box2d.b2ContactSolver.prototype.m_velocities),box2d.b2ContactSolver.prototype.m_allocator=null,goog.exportProperty(box2d.b2ContactSolver.prototype,"m_allocator",box2d.b2ContactSolver.prototype.m_allocator),box2d.b2ContactSolver.prototype.m_positionConstraints=null,goog.exportProperty(box2d.b2ContactSolver.prototype,"m_positionConstraints",box2d.b2ContactSolver.prototype.m_positionConstraints),box2d.b2ContactSolver.prototype.m_velocityConstraints=null,goog.exportProperty(box2d.b2ContactSolver.prototype,"m_velocityConstraints",box2d.b2ContactSolver.prototype.m_velocityConstraints),box2d.b2ContactSolver.prototype.m_contacts=null,goog.exportProperty(box2d.b2ContactSolver.prototype,"m_contacts",box2d.b2ContactSolver.prototype.m_contacts),box2d.b2ContactSolver.prototype.m_count=0,goog.exportProperty(box2d.b2ContactSolver.prototype,"m_count",box2d.b2ContactSolver.prototype.m_count),box2d.b2ContactSolver.prototype.Initialize=function(o){if(this.m_step.Copy(o.step),this.m_allocator=o.allocator,this.m_count=o.count,this.m_positionConstraints.length<this.m_count){var t=box2d.b2Max(2*this.m_positionConstraints.length,this.m_count);for(box2d.DEBUG&&window.console.log("box2d.b2ContactSolver.m_positionConstraints: "+t);this.m_positionConstraints.length<t;)this.m_positionConstraints[this.m_positionConstraints.length]=new box2d.b2ContactPositionConstraint}if(this.m_velocityConstraints.length<this.m_count)for(t=box2d.b2Max(2*this.m_velocityConstraints.length,this.m_count),box2d.DEBUG&&window.console.log("box2d.b2ContactSolver.m_velocityConstraints: "+t);this.m_velocityConstraints.length<t;)this.m_velocityConstraints[this.m_velocityConstraints.length]=new box2d.b2ContactVelocityConstraint;var e,r,i,n,p,s,l,x;for(this.m_positions=o.positions,this.m_velocities=o.velocities,this.m_contacts=o.contacts,o=0,t=this.m_count;o<t;++o)for(n=(i=this.m_contacts[o]).m_fixtureA,p=i.m_fixtureB,e=n.GetShape(),r=p.GetShape(),e=e.m_radius,r=r.m_radius,s=n.GetBody(),l=p.GetBody(),x=(p=i.GetManifold()).pointCount,box2d.ENABLE_ASSERTS&&box2d.b2Assert(0<x),(n=this.m_velocityConstraints[o]).friction=i.m_friction,n.restitution=i.m_restitution,n.tangentSpeed=i.m_tangentSpeed,n.indexA=s.m_islandIndex,n.indexB=l.m_islandIndex,n.invMassA=s.m_invMass,n.invMassB=l.m_invMass,n.invIA=s.m_invI,n.invIB=l.m_invI,n.contactIndex=o,n.pointCount=x,n.K.SetZero(),n.normalMass.SetZero(),(i=this.m_positionConstraints[o]).indexA=s.m_islandIndex,i.indexB=l.m_islandIndex,i.invMassA=s.m_invMass,i.invMassB=l.m_invMass,i.localCenterA.Copy(s.m_sweep.localCenter),i.localCenterB.Copy(l.m_sweep.localCenter),i.invIA=s.m_invI,i.invIB=l.m_invI,i.localNormal.Copy(p.localNormal),i.localPoint.Copy(p.localPoint),i.pointCount=x,i.radiusA=e,i.radiusB=r,i.type=p.type,e=0,r=x;e<r;++e)s=p.points[e],x=n.points[e],this.m_step.warmStarting?(x.normalImpulse=this.m_step.dtRatio*s.normalImpulse,x.tangentImpulse=this.m_step.dtRatio*s.tangentImpulse):(x.normalImpulse=0,x.tangentImpulse=0),x.rA.SetZero(),x.rB.SetZero(),x.normalMass=0,x.tangentMass=0,x.velocityBias=0,i.localPoints[e].Copy(s.localPoint);return this},goog.exportProperty(box2d.b2ContactSolver.prototype,"Initialize",box2d.b2ContactSolver.prototype.Initialize),box2d.b2ContactSolver.prototype.InitializeVelocityConstraints=function(){var o,t,e,r,i,n,p,s,l,x,y,_,m,u,h,g,S,P,C,A,B=box2d.b2ContactSolver.prototype.InitializeVelocityConstraints.s_xfA,v=box2d.b2ContactSolver.prototype.InitializeVelocityConstraints.s_xfB,V=box2d.b2ContactSolver.prototype.InitializeVelocityConstraints.s_worldManifold;for(o=0,t=this.m_count;o<t;++o){for(i=this.m_velocityConstraints[o],e=(n=this.m_positionConstraints[o]).radiusA,r=n.radiusB,p=this.m_contacts[i.contactIndex].GetManifold(),s=i.indexA,l=i.indexB,x=i.invMassA,y=i.invMassB,_=i.invIA,m=i.invIB,u=n.localCenterA,h=n.localCenterB,n=this.m_positions[s].c,g=this.m_positions[s].a,S=this.m_velocities[s].v,s=this.m_velocities[s].w,P=this.m_positions[l].c,C=this.m_positions[l].a,A=this.m_velocities[l].v,l=this.m_velocities[l].w,box2d.ENABLE_ASSERTS&&box2d.b2Assert(0<p.pointCount),B.q.SetAngle(g),v.q.SetAngle(C),box2d.b2Sub_V2_V2(n,box2d.b2Mul_R_V2(B.q,u,box2d.b2Vec2.s_t0),B.p),box2d.b2Sub_V2_V2(P,box2d.b2Mul_R_V2(v.q,h,box2d.b2Vec2.s_t0),v.p),V.Initialize(p,B,e,v,r),i.normal.Copy(V.normal),box2d.b2Cross_V2_S(i.normal,1,i.tangent),r=i.pointCount,e=0;e<r;++e)p=i.points[e],box2d.b2Sub_V2_V2(V.points[e],n,p.rA),box2d.b2Sub_V2_V2(V.points[e],P,p.rB),u=x+y+_*(u=box2d.b2Cross_V2_V2(p.rA,i.normal))*u+m*(h=box2d.b2Cross_V2_V2(p.rB,i.normal))*h,p.normalMass=0<u?1/u:0,h=i.tangent,u=x+y+_*(u=box2d.b2Cross_V2_V2(p.rA,h))*u+m*(h=box2d.b2Cross_V2_V2(p.rB,h))*h,p.tangentMass=0<u?1/u:0,p.velocityBias=0,(u=box2d.b2Dot_V2_V2(i.normal,box2d.b2Sub_V2_V2(box2d.b2AddCross_V2_S_V2(A,l,p.rB,box2d.b2Vec2.s_t0),box2d.b2AddCross_V2_S_V2(S,s,p.rA,box2d.b2Vec2.s_t1),box2d.b2Vec2.s_t0)))<-box2d.b2_velocityThreshold&&(p.velocityBias+=-i.restitution*u);2===i.pointCount&&box2d.g_blockSolve&&(S=i.points[0],P=i.points[1],n=box2d.b2Cross_V2_V2(S.rA,i.normal),S=box2d.b2Cross_V2_V2(S.rB,i.normal),s=box2d.b2Cross_V2_V2(P.rA,i.normal),l=box2d.b2Cross_V2_V2(P.rB,i.normal),(P=x+y+_*n*n+m*S*S)*P<1e3*(P*(A=x+y+_*s*s+m*l*l)-(x=x+y+_*n*s+m*S*l)*x)?(i.K.ex.Set(P,x),i.K.ey.Set(x,A),i.K.GetInverse(i.normalMass)):i.pointCount=1)}},goog.exportProperty(box2d.b2ContactSolver.prototype,"InitializeVelocityConstraints",box2d.b2ContactSolver.prototype.InitializeVelocityConstraints),box2d.b2ContactSolver.prototype.InitializeVelocityConstraints.s_xfA=new box2d.b2Transform,box2d.b2ContactSolver.prototype.InitializeVelocityConstraints.s_xfB=new box2d.b2Transform,box2d.b2ContactSolver.prototype.InitializeVelocityConstraints.s_worldManifold=new box2d.b2WorldManifold,box2d.b2ContactSolver.prototype.WarmStart=function(){var o,t,e,r,i,n,p,s,l,x,y,_,m,u,h,g,S,P,C=box2d.b2ContactSolver.prototype.WarmStart.s_P;for(o=0,t=this.m_count;o<t;++o){for(n=(i=this.m_velocityConstraints[o]).indexA,p=i.indexB,s=i.invMassA,l=i.invIA,x=i.invMassB,y=i.invIB,r=i.pointCount,_=this.m_velocities[n].v,m=this.m_velocities[n].w,u=this.m_velocities[p].v,h=this.m_velocities[p].w,g=i.normal,S=i.tangent,e=0;e<r;++e)P=i.points[e],box2d.b2Add_V2_V2(box2d.b2Mul_S_V2(P.normalImpulse,g,box2d.b2Vec2.s_t0),box2d.b2Mul_S_V2(P.tangentImpulse,S,box2d.b2Vec2.s_t1),C),m-=l*box2d.b2Cross_V2_V2(P.rA,C),_.SelfMulSub(s,C),h+=y*box2d.b2Cross_V2_V2(P.rB,C),u.SelfMulAdd(x,C);this.m_velocities[n].w=m,this.m_velocities[p].w=h}},goog.exportProperty(box2d.b2ContactSolver.prototype,"WarmStart",box2d.b2ContactSolver.prototype.WarmStart),box2d.b2ContactSolver.prototype.WarmStart.s_P=new box2d.b2Vec2,box2d.b2ContactSolver.prototype.SolveVelocityConstraints=function(){var o,t,e,r,i,n,p,s,l,x,y,_,m,u,h,g,S,P,C,A,B,v,V=box2d.b2ContactSolver.prototype.SolveVelocityConstraints.s_dv,J=box2d.b2ContactSolver.prototype.SolveVelocityConstraints.s_dv1,M=box2d.b2ContactSolver.prototype.SolveVelocityConstraints.s_dv2,D=box2d.b2ContactSolver.prototype.SolveVelocityConstraints.s_P,w=box2d.b2ContactSolver.prototype.SolveVelocityConstraints.s_a,G=box2d.b2ContactSolver.prototype.SolveVelocityConstraints.s_b,T=box2d.b2ContactSolver.prototype.SolveVelocityConstraints.s_x,I=box2d.b2ContactSolver.prototype.SolveVelocityConstraints.s_d,R=box2d.b2ContactSolver.prototype.SolveVelocityConstraints.s_P1,F=box2d.b2ContactSolver.prototype.SolveVelocityConstraints.s_P2,L=box2d.b2ContactSolver.prototype.SolveVelocityConstraints.s_P1P2;for(o=0,t=this.m_count;o<t;++o){for(n=(i=this.m_velocityConstraints[o]).indexA,p=i.indexB,s=i.invMassA,l=i.invIA,x=i.invMassB,y=i.invIB,_=i.pointCount,m=this.m_velocities[n].v,u=this.m_velocities[n].w,h=this.m_velocities[p].v,g=this.m_velocities[p].w,S=i.normal,P=i.tangent,C=i.friction,box2d.ENABLE_ASSERTS&&box2d.b2Assert(1===_||2===_),e=0,r=_;e<r;++e)A=i.points[e],box2d.b2Sub_V2_V2(box2d.b2AddCross_V2_S_V2(h,g,A.rB,box2d.b2Vec2.s_t0),box2d.b2AddCross_V2_S_V2(m,u,A.rA,box2d.b2Vec2.s_t1),V),B=box2d.b2Dot_V2_V2(V,P)-i.tangentSpeed,B=A.tangentMass*-B,v=C*A.normalImpulse,B=(v=box2d.b2Clamp(A.tangentImpulse+B,-v,v))-A.tangentImpulse,A.tangentImpulse=v,box2d.b2Mul_S_V2(B,P,D),m.SelfMulSub(s,D),u-=l*box2d.b2Cross_V2_V2(A.rA,D),h.SelfMulAdd(x,D),g+=y*box2d.b2Cross_V2_V2(A.rB,D);if(1!==i.pointCount&&box2d.g_blockSolve)for(_=i.points[0],A=i.points[1],w.Set(_.normalImpulse,A.normalImpulse),box2d.ENABLE_ASSERTS&&box2d.b2Assert(0<=w.x&&0<=w.y),box2d.b2Sub_V2_V2(box2d.b2AddCross_V2_S_V2(h,g,_.rB,box2d.b2Vec2.s_t0),box2d.b2AddCross_V2_S_V2(m,u,_.rA,box2d.b2Vec2.s_t1),J),box2d.b2Sub_V2_V2(box2d.b2AddCross_V2_S_V2(h,g,A.rB,box2d.b2Vec2.s_t0),box2d.b2AddCross_V2_S_V2(m,u,A.rA,box2d.b2Vec2.s_t1),M),e=box2d.b2Dot_V2_V2(J,S),r=box2d.b2Dot_V2_V2(M,S),G.x=e-_.velocityBias,G.y=r-A.velocityBias,G.SelfSub(box2d.b2Mul_M22_V2(i.K,w,box2d.b2Vec2.s_t0));;){if(box2d.b2Mul_M22_V2(i.normalMass,G,T).SelfNeg(),0<=T.x&&0<=T.y){box2d.b2Sub_V2_V2(T,w,I),box2d.b2Mul_S_V2(I.x,S,R),box2d.b2Mul_S_V2(I.y,S,F),box2d.b2Add_V2_V2(R,F,L),m.SelfMulSub(s,L),u-=l*(box2d.b2Cross_V2_V2(_.rA,R)+box2d.b2Cross_V2_V2(A.rA,F)),h.SelfMulAdd(x,L),g+=y*(box2d.b2Cross_V2_V2(_.rB,R)+box2d.b2Cross_V2_V2(A.rB,F)),_.normalImpulse=T.x,A.normalImpulse=T.y;break}if(T.x=-_.normalMass*G.x,T.y=0,r=i.K.ex.y*T.x+G.y,0<=T.x&&0<=r){box2d.b2Sub_V2_V2(T,w,I),box2d.b2Mul_S_V2(I.x,S,R),box2d.b2Mul_S_V2(I.y,S,F),box2d.b2Add_V2_V2(R,F,L),m.SelfMulSub(s,L),u-=l*(box2d.b2Cross_V2_V2(_.rA,R)+box2d.b2Cross_V2_V2(A.rA,F)),h.SelfMulAdd(x,L),g+=y*(box2d.b2Cross_V2_V2(_.rB,R)+box2d.b2Cross_V2_V2(A.rB,F)),_.normalImpulse=T.x,A.normalImpulse=T.y;break}if(T.x=0,T.y=-A.normalMass*G.y,e=i.K.ey.x*T.y+G.x,0<=T.y&&0<=e){box2d.b2Sub_V2_V2(T,w,I),box2d.b2Mul_S_V2(I.x,S,R),box2d.b2Mul_S_V2(I.y,S,F),box2d.b2Add_V2_V2(R,F,L),m.SelfMulSub(s,L),u-=l*(box2d.b2Cross_V2_V2(_.rA,R)+box2d.b2Cross_V2_V2(A.rA,F)),h.SelfMulAdd(x,L),g+=y*(box2d.b2Cross_V2_V2(_.rB,R)+box2d.b2Cross_V2_V2(A.rB,F)),_.normalImpulse=T.x,A.normalImpulse=T.y;break}if(T.x=0,T.y=0,e=G.x,r=G.y,0<=e&&0<=r){box2d.b2Sub_V2_V2(T,w,I),box2d.b2Mul_S_V2(I.x,S,R),box2d.b2Mul_S_V2(I.y,S,F),box2d.b2Add_V2_V2(R,F,L),m.SelfMulSub(s,L),u-=l*(box2d.b2Cross_V2_V2(_.rA,R)+box2d.b2Cross_V2_V2(A.rA,F)),h.SelfMulAdd(x,L),g+=y*(box2d.b2Cross_V2_V2(_.rB,R)+box2d.b2Cross_V2_V2(A.rB,F)),_.normalImpulse=T.x,A.normalImpulse=T.y;break}break}else for(e=0;e<_;++e)A=i.points[e],box2d.b2Sub_V2_V2(box2d.b2AddCross_V2_S_V2(h,g,A.rB,box2d.b2Vec2.s_t0),box2d.b2AddCross_V2_S_V2(m,u,A.rA,box2d.b2Vec2.s_t1),V),r=box2d.b2Dot_V2_V2(V,S),B=-A.normalMass*(r-A.velocityBias),B=(v=box2d.b2Max(A.normalImpulse+B,0))-A.normalImpulse,A.normalImpulse=v,box2d.b2Mul_S_V2(B,S,D),m.SelfMulSub(s,D),u-=l*box2d.b2Cross_V2_V2(A.rA,D),h.SelfMulAdd(x,D),g+=y*box2d.b2Cross_V2_V2(A.rB,D);this.m_velocities[n].w=u,this.m_velocities[p].w=g}},goog.exportProperty(box2d.b2ContactSolver.prototype,"SolveVelocityConstraints",box2d.b2ContactSolver.prototype.SolveVelocityConstraints),box2d.b2ContactSolver.prototype.SolveVelocityConstraints.s_dv=new box2d.b2Vec2,box2d.b2ContactSolver.prototype.SolveVelocityConstraints.s_dv1=new box2d.b2Vec2,box2d.b2ContactSolver.prototype.SolveVelocityConstraints.s_dv2=new box2d.b2Vec2,box2d.b2ContactSolver.prototype.SolveVelocityConstraints.s_P=new box2d.b2Vec2,box2d.b2ContactSolver.prototype.SolveVelocityConstraints.s_a=new box2d.b2Vec2,box2d.b2ContactSolver.prototype.SolveVelocityConstraints.s_b=new box2d.b2Vec2,box2d.b2ContactSolver.prototype.SolveVelocityConstraints.s_x=new box2d.b2Vec2,box2d.b2ContactSolver.prototype.SolveVelocityConstraints.s_d=new box2d.b2Vec2,box2d.b2ContactSolver.prototype.SolveVelocityConstraints.s_P1=new box2d.b2Vec2,box2d.b2ContactSolver.prototype.SolveVelocityConstraints.s_P2=new box2d.b2Vec2,box2d.b2ContactSolver.prototype.SolveVelocityConstraints.s_P1P2=new box2d.b2Vec2,box2d.b2ContactSolver.prototype.StoreImpulses=function(){var o,t,e,r,i,n;for(o=0,t=this.m_count;o<t;++o)for(i=this.m_velocityConstraints[o],n=this.m_contacts[i.contactIndex].GetManifold(),e=0,r=i.pointCount;e<r;++e)n.points[e].normalImpulse=i.points[e].normalImpulse,n.points[e].tangentImpulse=i.points[e].tangentImpulse},goog.exportProperty(box2d.b2ContactSolver.prototype,"StoreImpulses",box2d.b2ContactSolver.prototype.StoreImpulses),box2d.b2PositionSolverManifold=function(){this.normal=new box2d.b2Vec2,this.point=new box2d.b2Vec2},goog.exportSymbol("box2d.b2PositionSolverManifold",box2d.b2PositionSolverManifold),box2d.b2PositionSolverManifold.prototype.normal=null,goog.exportProperty(box2d.b2PositionSolverManifold.prototype,"normal",box2d.b2PositionSolverManifold.prototype.normal),box2d.b2PositionSolverManifold.prototype.point=null,goog.exportProperty(box2d.b2PositionSolverManifold.prototype,"point",box2d.b2PositionSolverManifold.prototype.point),box2d.b2PositionSolverManifold.prototype.separation=0,goog.exportProperty(box2d.b2PositionSolverManifold.prototype,"separation",box2d.b2PositionSolverManifold.prototype.separation),box2d.b2PositionSolverManifold.prototype.Initialize=function(o,t,e,r){var i=box2d.b2PositionSolverManifold.prototype.Initialize.s_pointA,n=box2d.b2PositionSolverManifold.prototype.Initialize.s_pointB,p=box2d.b2PositionSolverManifold.prototype.Initialize.s_planePoint,s=box2d.b2PositionSolverManifold.prototype.Initialize.s_clipPoint;switch(box2d.ENABLE_ASSERTS&&box2d.b2Assert(0<o.pointCount),o.type){case box2d.b2ManifoldType.e_circles:box2d.b2Mul_X_V2(t,o.localPoint,i),box2d.b2Mul_X_V2(e,o.localPoints[0],n),box2d.b2Sub_V2_V2(n,i,this.normal).SelfNormalize(),box2d.b2Mid_V2_V2(i,n,this.point),this.separation=box2d.b2Dot_V2_V2(box2d.b2Sub_V2_V2(n,i,box2d.b2Vec2.s_t0),this.normal)-o.radiusA-o.radiusB;break;case box2d.b2ManifoldType.e_faceA:box2d.b2Mul_R_V2(t.q,o.localNormal,this.normal),box2d.b2Mul_X_V2(t,o.localPoint,p),box2d.b2Mul_X_V2(e,o.localPoints[r],s),this.separation=box2d.b2Dot_V2_V2(box2d.b2Sub_V2_V2(s,p,box2d.b2Vec2.s_t0),this.normal)-o.radiusA-o.radiusB,this.point.Copy(s);break;case box2d.b2ManifoldType.e_faceB:box2d.b2Mul_R_V2(e.q,o.localNormal,this.normal),box2d.b2Mul_X_V2(e,o.localPoint,p),box2d.b2Mul_X_V2(t,o.localPoints[r],s),this.separation=box2d.b2Dot_V2_V2(box2d.b2Sub_V2_V2(s,p,box2d.b2Vec2.s_t0),this.normal)-o.radiusA-o.radiusB,this.point.Copy(s),this.normal.SelfNeg()}},goog.exportProperty(box2d.b2PositionSolverManifold.prototype,"Initialize",box2d.b2PositionSolverManifold.prototype.Initialize),box2d.b2PositionSolverManifold.prototype.Initialize.s_pointA=new box2d.b2Vec2,box2d.b2PositionSolverManifold.prototype.Initialize.s_pointB=new box2d.b2Vec2,box2d.b2PositionSolverManifold.prototype.Initialize.s_planePoint=new box2d.b2Vec2,box2d.b2PositionSolverManifold.prototype.Initialize.s_clipPoint=new box2d.b2Vec2,box2d.b2ContactSolver.prototype.SolvePositionConstraints=function(){var o,t,e,r,i,n,p,s,l,x,y,_,m,u,h,g,S,P,C,A,B,v=box2d.b2ContactSolver.prototype.SolvePositionConstraints.s_xfA,V=box2d.b2ContactSolver.prototype.SolvePositionConstraints.s_xfB,J=box2d.b2ContactSolver.prototype.SolvePositionConstraints.s_psm,M=box2d.b2ContactSolver.prototype.SolvePositionConstraints.s_rA,D=box2d.b2ContactSolver.prototype.SolvePositionConstraints.s_rB,w=box2d.b2ContactSolver.prototype.SolvePositionConstraints.s_P,G=0;for(o=0,t=this.m_count;o<t;++o){for(n=(i=this.m_positionConstraints[o]).indexA,p=i.indexB,s=i.localCenterA,l=i.invMassA,x=i.invIA,y=i.localCenterB,_=i.invMassB,m=i.invIB,r=i.pointCount,u=this.m_positions[n].c,h=this.m_positions[n].a,g=this.m_positions[p].c,S=this.m_positions[p].a,e=0;e<r;++e)v.q.SetAngle(h),V.q.SetAngle(S),box2d.b2Sub_V2_V2(u,box2d.b2Mul_R_V2(v.q,s,box2d.b2Vec2.s_t0),v.p),box2d.b2Sub_V2_V2(g,box2d.b2Mul_R_V2(V.q,y,box2d.b2Vec2.s_t0),V.p),J.Initialize(i,v,V,e),P=J.normal,C=J.point,A=J.separation,box2d.b2Sub_V2_V2(C,u,M),box2d.b2Sub_V2_V2(C,g,D),G=box2d.b2Min(G,A),C=box2d.b2Clamp(box2d.b2_baumgarte*(A+box2d.b2_linearSlop),-box2d.b2_maxLinearCorrection,0),C=0<(A=l+_+x*(A=box2d.b2Cross_V2_V2(M,P))*A+m*(B=box2d.b2Cross_V2_V2(D,P))*B)?-C/A:0,box2d.b2Mul_S_V2(C,P,w),u.SelfMulSub(l,w),h-=x*box2d.b2Cross_V2_V2(M,w),g.SelfMulAdd(_,w),S+=m*box2d.b2Cross_V2_V2(D,w);this.m_positions[n].a=h,this.m_positions[p].a=S}return G>-3*box2d.b2_linearSlop},goog.exportProperty(box2d.b2ContactSolver.prototype,"SolvePositionConstraints",box2d.b2ContactSolver.prototype.SolvePositionConstraints),box2d.b2ContactSolver.prototype.SolvePositionConstraints.s_xfA=new box2d.b2Transform,box2d.b2ContactSolver.prototype.SolvePositionConstraints.s_xfB=new box2d.b2Transform,box2d.b2ContactSolver.prototype.SolvePositionConstraints.s_psm=new box2d.b2PositionSolverManifold,box2d.b2ContactSolver.prototype.SolvePositionConstraints.s_rA=new box2d.b2Vec2,box2d.b2ContactSolver.prototype.SolvePositionConstraints.s_rB=new box2d.b2Vec2,box2d.b2ContactSolver.prototype.SolvePositionConstraints.s_P=new box2d.b2Vec2,box2d.b2ContactSolver.prototype.SolveTOIPositionConstraints=function(o,t){var e,r,i,n,p,s,l,x,y,_,m,u,h,g,S,P,C,A,B,v,V,J=box2d.b2ContactSolver.prototype.SolveTOIPositionConstraints.s_xfA,M=box2d.b2ContactSolver.prototype.SolveTOIPositionConstraints.s_xfB,D=box2d.b2ContactSolver.prototype.SolveTOIPositionConstraints.s_psm,w=box2d.b2ContactSolver.prototype.SolveTOIPositionConstraints.s_rA,G=box2d.b2ContactSolver.prototype.SolveTOIPositionConstraints.s_rB,T=box2d.b2ContactSolver.prototype.SolveTOIPositionConstraints.s_P,I=0;for(e=0,r=this.m_count;e<r;++e){for(s=(p=this.m_positionConstraints[e]).indexA,l=p.indexB,x=p.localCenterA,y=p.localCenterB,n=p.pointCount,m=_=0,s!==o&&s!==t||(_=p.invMassA,m=p.invIA),h=u=0,l!==o&&l!==t||(u=p.invMassB,h=p.invIB),g=this.m_positions[s].c,S=this.m_positions[s].a,P=this.m_positions[l].c,C=this.m_positions[l].a,i=0;i<n;++i)J.q.SetAngle(S),M.q.SetAngle(C),box2d.b2Sub_V2_V2(g,box2d.b2Mul_R_V2(J.q,x,box2d.b2Vec2.s_t0),J.p),box2d.b2Sub_V2_V2(P,box2d.b2Mul_R_V2(M.q,y,box2d.b2Vec2.s_t0),M.p),D.Initialize(p,J,M,i),A=D.normal,B=D.point,v=D.separation,box2d.b2Sub_V2_V2(B,g,w),box2d.b2Sub_V2_V2(B,P,G),I=box2d.b2Min(I,v),B=box2d.b2Clamp(box2d.b2_toiBaumgarte*(v+box2d.b2_linearSlop),-box2d.b2_maxLinearCorrection,0),B=0<(v=_+u+m*(v=box2d.b2Cross_V2_V2(w,A))*v+h*(V=box2d.b2Cross_V2_V2(G,A))*V)?-B/v:0,box2d.b2Mul_S_V2(B,A,T),g.SelfMulSub(_,T),S-=m*box2d.b2Cross_V2_V2(w,T),P.SelfMulAdd(u,T),C+=h*box2d.b2Cross_V2_V2(G,T);this.m_positions[s].a=S,this.m_positions[l].a=C}return I>=-1.5*box2d.b2_linearSlop},goog.exportProperty(box2d.b2ContactSolver.prototype,"SolveTOIPositionConstraints",box2d.b2ContactSolver.prototype.SolveTOIPositionConstraints),box2d.b2ContactSolver.prototype.SolveTOIPositionConstraints.s_xfA=new box2d.b2Transform,box2d.b2ContactSolver.prototype.SolveTOIPositionConstraints.s_xfB=new box2d.b2Transform,box2d.b2ContactSolver.prototype.SolveTOIPositionConstraints.s_psm=new box2d.b2PositionSolverManifold,box2d.b2ContactSolver.prototype.SolveTOIPositionConstraints.s_rA=new box2d.b2Vec2,box2d.b2ContactSolver.prototype.SolveTOIPositionConstraints.s_rB=new box2d.b2Vec2,box2d.b2ContactSolver.prototype.SolveTOIPositionConstraints.s_P=new box2d.b2Vec2,box2d.b2Island=function(){this.m_bodies=Array(1024),this.m_contacts=Array(1024),this.m_joints=Array(1024),this.m_positions=box2d.b2Position.MakeArray(1024),this.m_velocities=box2d.b2Velocity.MakeArray(1024)},goog.exportSymbol("box2d.b2Island",box2d.b2Island),box2d.b2Island.prototype.m_allocator=null,goog.exportProperty(box2d.b2Island.prototype,"m_allocator",box2d.b2Island.prototype.m_allocator),box2d.b2Island.prototype.m_listener=null,goog.exportProperty(box2d.b2Island.prototype,"m_listener",box2d.b2Island.prototype.m_listener),box2d.b2Island.prototype.m_bodies=null,goog.exportProperty(box2d.b2Island.prototype,"m_bodies",box2d.b2Island.prototype.m_bodies),box2d.b2Island.prototype.m_contacts=null,goog.exportProperty(box2d.b2Island.prototype,"m_contacts",box2d.b2Island.prototype.m_contacts),box2d.b2Island.prototype.m_joints=null,goog.exportProperty(box2d.b2Island.prototype,"m_joints",box2d.b2Island.prototype.m_joints),box2d.b2Island.prototype.m_positions=null,goog.exportProperty(box2d.b2Island.prototype,"m_positions",box2d.b2Island.prototype.m_positions),box2d.b2Island.prototype.m_velocities=null,goog.exportProperty(box2d.b2Island.prototype,"m_velocities",box2d.b2Island.prototype.m_velocities),box2d.b2Island.prototype.m_bodyCount=0,goog.exportProperty(box2d.b2Island.prototype,"m_bodyCount",box2d.b2Island.prototype.m_bodyCount),box2d.b2Island.prototype.m_jointCount=0,goog.exportProperty(box2d.b2Island.prototype,"m_jointCount",box2d.b2Island.prototype.m_jointCount),box2d.b2Island.prototype.m_contactCount=0,goog.exportProperty(box2d.b2Island.prototype,"m_contactCount",box2d.b2Island.prototype.m_contactCount),box2d.b2Island.prototype.m_bodyCapacity=0,goog.exportProperty(box2d.b2Island.prototype,"m_bodyCapacity",box2d.b2Island.prototype.m_bodyCapacity),box2d.b2Island.prototype.m_contactCapacity=0,goog.exportProperty(box2d.b2Island.prototype,"m_contactCapacity",box2d.b2Island.prototype.m_contactCapacity),box2d.b2Island.prototype.m_jointCapacity=0,goog.exportProperty(box2d.b2Island.prototype,"m_jointCapacity",box2d.b2Island.prototype.m_jointCapacity),box2d.b2Island.prototype.Initialize=function(o,t,e,r,i){for(this.m_bodyCapacity=o,this.m_contactCapacity=t,this.m_jointCapacity=e,this.m_jointCount=this.m_contactCount=this.m_bodyCount=0,this.m_allocator=r,this.m_listener=i;this.m_bodies.length<o;)this.m_bodies[this.m_bodies.length]=null;for(;this.m_contacts.length<t;)this.m_contacts[this.m_contacts.length]=null;for(;this.m_joints.length<e;)this.m_joints[this.m_joints.length]=null;if(this.m_positions.length<o)for(t=box2d.b2Max(2*this.m_positions.length,o),box2d.DEBUG&&window.console.log("box2d.b2Island.m_positions: "+t);this.m_positions.length<t;)this.m_positions[this.m_positions.length]=new box2d.b2Position;if(this.m_velocities.length<o)for(t=box2d.b2Max(2*this.m_velocities.length,o),box2d.DEBUG&&window.console.log("box2d.b2Island.m_velocities: "+t);this.m_velocities.length<t;)this.m_velocities[this.m_velocities.length]=new box2d.b2Velocity},goog.exportProperty(box2d.b2Island.prototype,"Initialize",box2d.b2Island.prototype.Initialize),box2d.b2Island.prototype.Clear=function(){this.m_jointCount=this.m_contactCount=this.m_bodyCount=0},goog.exportProperty(box2d.b2Island.prototype,"Clear",box2d.b2Island.prototype.Clear),box2d.b2Island.prototype.AddBody=function(o){box2d.ENABLE_ASSERTS&&box2d.b2Assert(this.m_bodyCount<this.m_bodyCapacity),o.m_islandIndex=this.m_bodyCount,this.m_bodies[this.m_bodyCount++]=o},goog.exportProperty(box2d.b2Island.prototype,"AddBody",box2d.b2Island.prototype.AddBody),box2d.b2Island.prototype.AddContact=function(o){box2d.ENABLE_ASSERTS&&box2d.b2Assert(this.m_contactCount<this.m_contactCapacity),this.m_contacts[this.m_contactCount++]=o},goog.exportProperty(box2d.b2Island.prototype,"AddContact",box2d.b2Island.prototype.AddContact),box2d.b2Island.prototype.AddJoint=function(o){box2d.ENABLE_ASSERTS&&box2d.b2Assert(this.m_jointCount<this.m_jointCapacity),this.m_joints[this.m_jointCount++]=o},goog.exportProperty(box2d.b2Island.prototype,"AddJoint",box2d.b2Island.prototype.AddJoint),box2d.b2Island.prototype.Solve=function(o,t,e,r){for(var i=box2d.b2Island.s_timer.Reset(),n=t.dt,p=0;p<this.m_bodyCount;++p){var s=this.m_bodies[p],l=this.m_positions[p].c.Copy(s.m_sweep.c),x=s.m_sweep.a,y=this.m_velocities[p].v.Copy(s.m_linearVelocity),_=s.m_angularVelocity;s.m_sweep.c0.Copy(s.m_sweep.c),s.m_sweep.a0=s.m_sweep.a,s.m_type===box2d.b2BodyType.b2_dynamicBody&&(y.x+=n*(s.m_gravityScale*e.x+s.m_invMass*s.m_force.x),y.y+=n*(s.m_gravityScale*e.y+s.m_invMass*s.m_force.y),_+=n*s.m_invI*s.m_torque,y.SelfMul(1/(1+n*s.m_linearDamping)),_*=1/(1+n*s.m_angularDamping)),this.m_positions[p].a=x,this.m_velocities[p].w=_}for(i.Reset(),(s=box2d.b2Island.s_solverData).step.Copy(t),s.positions=this.m_positions,s.velocities=this.m_velocities,(p=box2d.b2Island.s_contactSolverDef).step.Copy(t),p.contacts=this.m_contacts,p.count=this.m_contactCount,p.positions=this.m_positions,p.velocities=this.m_velocities,p.allocator=this.m_allocator,(e=box2d.b2Island.s_contactSolver.Initialize(p)).InitializeVelocityConstraints(),t.warmStarting&&e.WarmStart(),p=0;p<this.m_jointCount;++p)this.m_joints[p].InitVelocityConstraints(s);for(o.solveInit=i.GetMilliseconds(),i.Reset(),p=0;p<t.velocityIterations;++p){for(x=0;x<this.m_jointCount;++x)this.m_joints[x].SolveVelocityConstraints(s);e.SolveVelocityConstraints()}for(e.StoreImpulses(),o.solveVelocity=i.GetMilliseconds(),p=0;p<this.m_bodyCount;++p){l=this.m_positions[p].c,x=this.m_positions[p].a,y=this.m_velocities[p].v,_=this.m_velocities[p].w;var m=box2d.b2Mul_S_V2(n,y,box2d.b2Island.s_translation);box2d.b2Dot_V2_V2(m,m)>box2d.b2_maxTranslationSquared&&(m=box2d.b2_maxTranslation/m.Length(),y.SelfMul(m)),(m=n*_)*m>box2d.b2_maxRotationSquared&&(_*=m=box2d.b2_maxRotation/box2d.b2Abs(m)),l.x+=n*y.x,l.y+=n*y.y,x+=n*_,this.m_positions[p].a=x,this.m_velocities[p].w=_}for(i.Reset(),l=!1,p=0;p<t.positionIterations;++p){for(y=e.SolvePositionConstraints(),_=!0,x=0;x<this.m_jointCount;++x)m=this.m_joints[x].SolvePositionConstraints(s),_=_&&m;if(y&&_){l=!0;break}}for(p=0;p<this.m_bodyCount;++p)(t=this.m_bodies[p]).m_sweep.c.Copy(this.m_positions[p].c),t.m_sweep.a=this.m_positions[p].a,t.m_linearVelocity.Copy(this.m_velocities[p].v),t.m_angularVelocity=this.m_velocities[p].w,t.SynchronizeTransform();if(o.solvePosition=i.GetMilliseconds(),this.Report(e.m_velocityConstraints),r){for(o=box2d.b2_maxFloat,r=box2d.b2_linearSleepTolerance*box2d.b2_linearSleepTolerance,i=box2d.b2_angularSleepTolerance*box2d.b2_angularSleepTolerance,p=0;p<this.m_bodyCount;++p)(s=this.m_bodies[p]).GetType()!==box2d.b2BodyType.b2_staticBody&&(!s.m_flag_autoSleepFlag||s.m_angularVelocity*s.m_angularVelocity>i||box2d.b2Dot_V2_V2(s.m_linearVelocity,s.m_linearVelocity)>r?o=s.m_sleepTime=0:(s.m_sleepTime+=n,o=box2d.b2Min(o,s.m_sleepTime)));if(o>=box2d.b2_timeToSleep&&l)for(p=0;p<this.m_bodyCount;++p)(s=this.m_bodies[p]).SetAwake(!1)}},goog.exportProperty(box2d.b2Island.prototype,"Solve",box2d.b2Island.prototype.Solve),box2d.b2Island.prototype.SolveTOI=function(o,t,e){box2d.ENABLE_ASSERTS&&box2d.b2Assert(t<this.m_bodyCount),box2d.ENABLE_ASSERTS&&box2d.b2Assert(e<this.m_bodyCount);for(var r=0;r<this.m_bodyCount;++r){var i=this.m_bodies[r];this.m_positions[r].c.Copy(i.m_sweep.c),this.m_positions[r].a=i.m_sweep.a,this.m_velocities[r].v.Copy(i.m_linearVelocity),this.m_velocities[r].w=i.m_angularVelocity}for((r=box2d.b2Island.s_contactSolverDef).contacts=this.m_contacts,r.count=this.m_contactCount,r.allocator=this.m_allocator,r.step.Copy(o),r.positions=this.m_positions,r.velocities=this.m_velocities,i=box2d.b2Island.s_contactSolver.Initialize(r),r=0;r<o.positionIterations&&!i.SolveTOIPositionConstraints(t,e);++r);for(this.m_bodies[t].m_sweep.c0.Copy(this.m_positions[t].c),this.m_bodies[t].m_sweep.a0=this.m_positions[t].a,this.m_bodies[e].m_sweep.c0.Copy(this.m_positions[e].c),this.m_bodies[e].m_sweep.a0=this.m_positions[e].a,i.InitializeVelocityConstraints(),r=0;r<o.velocityIterations;++r)i.SolveVelocityConstraints();for(o=o.dt,r=0;r<this.m_bodyCount;++r){t=this.m_positions[r].c,e=this.m_positions[r].a;var n=this.m_velocities[r].v,p=this.m_velocities[r].w,s=box2d.b2Mul_S_V2(o,n,box2d.b2Island.s_translation);box2d.b2Dot_V2_V2(s,s)>box2d.b2_maxTranslationSquared&&(s=box2d.b2_maxTranslation/s.Length(),n.SelfMul(s)),(s=o*p)*s>box2d.b2_maxRotationSquared&&(p*=s=box2d.b2_maxRotation/box2d.b2Abs(s)),t.SelfMulAdd(o,n),e+=o*p,this.m_positions[r].a=e,this.m_velocities[r].w=p,(s=this.m_bodies[r]).m_sweep.c.Copy(t),s.m_sweep.a=e,s.m_linearVelocity.Copy(n),s.m_angularVelocity=p,s.SynchronizeTransform()}this.Report(i.m_velocityConstraints)},goog.exportProperty(box2d.b2Island.prototype,"SolveTOI",box2d.b2Island.prototype.SolveTOI),box2d.b2Island.prototype.Report=function(o){if(null!==this.m_listener)for(var t=0;t<this.m_contactCount;++t){var e=this.m_contacts[t];if(e){var r=o[t],i=box2d.b2Island.s_impulse;i.count=r.pointCount;for(var n=0;n<r.pointCount;++n)i.normalImpulses[n]=r.points[n].normalImpulse,i.tangentImpulses[n]=r.points[n].tangentImpulse;this.m_listener.PostSolve(e,i)}}},goog.exportProperty(box2d.b2Island.prototype,"Report",box2d.b2Island.prototype.Report),box2d.b2Island.s_timer=new box2d.b2Timer,box2d.b2Island.s_solverData=new box2d.b2SolverData,box2d.b2Island.s_contactSolverDef=new box2d.b2ContactSolverDef,box2d.b2Island.s_contactSolver=new box2d.b2ContactSolver,box2d.b2Island.s_translation=new box2d.b2Vec2,box2d.b2Island.s_impulse=new box2d.b2ContactImpulse,box2d.b2JointType={e_unknownJoint:0,e_revoluteJoint:1,e_prismaticJoint:2,e_distanceJoint:3,e_pulleyJoint:4,e_mouseJoint:5,e_gearJoint:6,e_wheelJoint:7,e_weldJoint:8,e_frictionJoint:9,e_ropeJoint:10,e_motorJoint:11,e_areaJoint:12},goog.exportSymbol("box2d.b2JointType",box2d.b2JointType),goog.exportProperty(box2d.b2JointType,"e_unknownJoint",box2d.b2JointType.e_unknownJoint),goog.exportProperty(box2d.b2JointType,"e_revoluteJoint",box2d.b2JointType.e_revoluteJoint),goog.exportProperty(box2d.b2JointType,"e_prismaticJoint",box2d.b2JointType.e_prismaticJoint),goog.exportProperty(box2d.b2JointType,"e_distanceJoint",box2d.b2JointType.e_distanceJoint),goog.exportProperty(box2d.b2JointType,"e_pulleyJoint",box2d.b2JointType.e_pulleyJoint),goog.exportProperty(box2d.b2JointType,"e_mouseJoint",box2d.b2JointType.e_mouseJoint),goog.exportProperty(box2d.b2JointType,"e_gearJoint",box2d.b2JointType.e_gearJoint),goog.exportProperty(box2d.b2JointType,"e_wheelJoint",box2d.b2JointType.e_wheelJoint),goog.exportProperty(box2d.b2JointType,"e_weldJoint",box2d.b2JointType.e_weldJoint),goog.exportProperty(box2d.b2JointType,"e_frictionJoint",box2d.b2JointType.e_frictionJoint),goog.exportProperty(box2d.b2JointType,"e_ropeJoint",box2d.b2JointType.e_ropeJoint),goog.exportProperty(box2d.b2JointType,"e_motorJoint",box2d.b2JointType.e_motorJoint),goog.exportProperty(box2d.b2JointType,"e_areaJoint",box2d.b2JointType.e_areaJoint),box2d.b2LimitState={e_inactiveLimit:0,e_atLowerLimit:1,e_atUpperLimit:2,e_equalLimits:3},goog.exportSymbol("box2d.b2LimitState",box2d.b2LimitState),goog.exportProperty(box2d.b2LimitState,"e_inactiveLimit",box2d.b2LimitState.e_inactiveLimit),goog.exportProperty(box2d.b2LimitState,"e_atLowerLimit",box2d.b2LimitState.e_atLowerLimit),goog.exportProperty(box2d.b2LimitState,"e_atUpperLimit",box2d.b2LimitState.e_atUpperLimit),goog.exportProperty(box2d.b2LimitState,"e_equalLimits",box2d.b2LimitState.e_equalLimits),box2d.b2Jacobian=function(){this.linear=new box2d.b2Vec2},goog.exportSymbol("box2d.b2Jacobian",box2d.b2Jacobian),box2d.b2Jacobian.prototype.linear=null,goog.exportProperty(box2d.b2Jacobian.prototype,"linear",box2d.b2Jacobian.prototype.linear),box2d.b2Jacobian.prototype.angularA=0,goog.exportProperty(box2d.b2Jacobian.prototype,"angularA",box2d.b2Jacobian.prototype.angularA),box2d.b2Jacobian.prototype.angularB=0,goog.exportProperty(box2d.b2Jacobian.prototype,"angularB",box2d.b2Jacobian.prototype.angularB),box2d.b2Jacobian.prototype.SetZero=function(){return this.linear.SetZero(),this.angularB=this.angularA=0,this},goog.exportProperty(box2d.b2Jacobian.prototype,"SetZero",box2d.b2Jacobian.prototype.SetZero),box2d.b2Jacobian.prototype.Set=function(o,t,e){return this.linear.Copy(o),this.angularA=t,this.angularB=e,this},goog.exportProperty(box2d.b2Jacobian.prototype,"Set",box2d.b2Jacobian.prototype.Set),box2d.b2JointEdge=function(){},goog.exportSymbol("box2d.b2JointEdge",box2d.b2JointEdge),box2d.b2JointEdge.prototype.other=null,goog.exportProperty(box2d.b2JointEdge.prototype,"other",box2d.b2JointEdge.prototype.other),box2d.b2JointEdge.prototype.joint=null,goog.exportProperty(box2d.b2JointEdge.prototype,"joint",box2d.b2JointEdge.prototype.joint),box2d.b2JointEdge.prototype.prev=null,goog.exportProperty(box2d.b2JointEdge.prototype,"prev",box2d.b2JointEdge.prototype.prev),box2d.b2JointEdge.prototype.next=null,goog.exportProperty(box2d.b2JointEdge.prototype,"next",box2d.b2JointEdge.prototype.next),box2d.b2JointDef=function(o){this.type=o},goog.exportSymbol("box2d.b2JointDef",box2d.b2JointDef),box2d.b2JointDef.prototype.type=box2d.b2JointType.e_unknownJoint,goog.exportProperty(box2d.b2JointDef.prototype,"type",box2d.b2JointDef.prototype.type),box2d.b2JointDef.prototype.userData=null,goog.exportProperty(box2d.b2JointDef.prototype,"userData",box2d.b2JointDef.prototype.userData),box2d.b2JointDef.prototype.bodyA=null,goog.exportProperty(box2d.b2JointDef.prototype,"bodyA",box2d.b2JointDef.prototype.bodyA),box2d.b2JointDef.prototype.bodyB=null,goog.exportProperty(box2d.b2JointDef.prototype,"bodyB",box2d.b2JointDef.prototype.bodyB),box2d.b2JointDef.prototype.collideConnected=!1,goog.exportProperty(box2d.b2JointDef.prototype,"collideConnected",box2d.b2JointDef.prototype.collideConnected),box2d.b2Joint=function(o){box2d.ENABLE_ASSERTS&&box2d.b2Assert(o.bodyA!==o.bodyB),this.m_type=o.type,this.m_edgeA=new box2d.b2JointEdge,this.m_edgeB=new box2d.b2JointEdge,this.m_bodyA=o.bodyA,this.m_bodyB=o.bodyB,this.m_collideConnected=o.collideConnected,this.m_userData=o.userData},goog.exportSymbol("box2d.b2Joint",box2d.b2Joint),box2d.b2Joint.prototype.m_type=box2d.b2JointType.e_unknownJoint,goog.exportProperty(box2d.b2Joint.prototype,"m_type",box2d.b2Joint.prototype.m_type),box2d.b2Joint.prototype.m_prev=null,goog.exportProperty(box2d.b2Joint.prototype,"m_prev",box2d.b2Joint.prototype.m_prev),box2d.b2Joint.prototype.m_next=null,goog.exportProperty(box2d.b2Joint.prototype,"m_next",box2d.b2Joint.prototype.m_next),box2d.b2Joint.prototype.m_edgeA=null,goog.exportProperty(box2d.b2Joint.prototype,"m_edgeA",box2d.b2Joint.prototype.m_edgeA),box2d.b2Joint.prototype.m_edgeB=null,goog.exportProperty(box2d.b2Joint.prototype,"m_edgeB",box2d.b2Joint.prototype.m_edgeB),box2d.b2Joint.prototype.m_bodyA=null,goog.exportProperty(box2d.b2Joint.prototype,"m_bodyA",box2d.b2Joint.prototype.m_bodyA),box2d.b2Joint.prototype.m_bodyB=null,goog.exportProperty(box2d.b2Joint.prototype,"m_bodyB",box2d.b2Joint.prototype.m_bodyB),box2d.b2Joint.prototype.m_index=0,goog.exportProperty(box2d.b2Joint.prototype,"m_index",box2d.b2Joint.prototype.m_index),box2d.b2Joint.prototype.m_islandFlag=!1,goog.exportProperty(box2d.b2Joint.prototype,"m_islandFlag",box2d.b2Joint.prototype.m_islandFlag),box2d.b2Joint.prototype.m_collideConnected=!1,goog.exportProperty(box2d.b2Joint.prototype,"m_collideConnected",box2d.b2Joint.prototype.m_collideConnected),box2d.b2Joint.prototype.m_userData=null,goog.exportProperty(box2d.b2Joint.prototype,"m_userData",box2d.b2Joint.prototype.m_userData),box2d.b2Joint.prototype.GetAnchorA=function(o){return o.SetZero()},goog.exportProperty(box2d.b2Joint.prototype,"GetAnchorA",box2d.b2Joint.prototype.GetAnchorA),box2d.b2Joint.prototype.GetAnchorB=function(o){return o.SetZero()},goog.exportProperty(box2d.b2Joint.prototype,"GetAnchorB",box2d.b2Joint.prototype.GetAnchorB),box2d.b2Joint.prototype.GetReactionForce=function(o,t){return t.SetZero()},goog.exportProperty(box2d.b2Joint.prototype,"GetReactionForce",box2d.b2Joint.prototype.GetReactionForce),box2d.b2Joint.prototype.GetReactionTorque=function(o){return 0},goog.exportProperty(box2d.b2Joint.prototype,"GetReactionTorque",box2d.b2Joint.prototype.GetReactionTorque),box2d.b2Joint.prototype.InitVelocityConstraints=function(o){},goog.exportProperty(box2d.b2Joint.prototype,"InitVelocityConstraints",box2d.b2Joint.prototype.InitVelocityConstraints),box2d.b2Joint.prototype.SolveVelocityConstraints=function(o){},goog.exportProperty(box2d.b2Joint.prototype,"SolveVelocityConstraints",box2d.b2Joint.prototype.SolveVelocityConstraints),box2d.b2Joint.prototype.SolvePositionConstraints=function(o){return!1},goog.exportProperty(box2d.b2Joint.prototype,"SolvePositionConstraints",box2d.b2Joint.prototype.SolvePositionConstraints),box2d.b2Joint.prototype.GetType=function(){return this.m_type},goog.exportProperty(box2d.b2Joint.prototype,"GetType",box2d.b2Joint.prototype.GetType),box2d.b2Joint.prototype.GetBodyA=function(){return this.m_bodyA},goog.exportProperty(box2d.b2Joint.prototype,"GetBodyA",box2d.b2Joint.prototype.GetBodyA),box2d.b2Joint.prototype.GetBodyB=function(){return this.m_bodyB},goog.exportProperty(box2d.b2Joint.prototype,"GetBodyB",box2d.b2Joint.prototype.GetBodyB),box2d.b2Joint.prototype.GetNext=function(){return this.m_next},goog.exportProperty(box2d.b2Joint.prototype,"GetNext",box2d.b2Joint.prototype.GetNext),box2d.b2Joint.prototype.GetUserData=function(){return this.m_userData},goog.exportProperty(box2d.b2Joint.prototype,"GetUserData",box2d.b2Joint.prototype.GetUserData),box2d.b2Joint.prototype.SetUserData=function(o){this.m_userData=o},goog.exportProperty(box2d.b2Joint.prototype,"SetUserData",box2d.b2Joint.prototype.SetUserData),box2d.b2Joint.prototype.GetCollideConnected=function(){return this.m_collideConnected},goog.exportProperty(box2d.b2Joint.prototype,"GetCollideConnected",box2d.b2Joint.prototype.GetCollideConnected),box2d.b2Joint.prototype.Dump=function(){box2d.DEBUG&&box2d.b2Log("// Dump is not supported for this joint type.\n")},goog.exportProperty(box2d.b2Joint.prototype,"Dump",box2d.b2Joint.prototype.Dump),box2d.b2Joint.prototype.IsActive=function(){return this.m_bodyA.IsActive()&&this.m_bodyB.IsActive()},goog.exportProperty(box2d.b2Joint.prototype,"IsActive",box2d.b2Joint.prototype.IsActive),box2d.b2Joint.prototype.ShiftOrigin=function(o){},goog.exportProperty(box2d.b2Joint.prototype,"ShiftOrigin",box2d.b2Joint.prototype.ShiftOrigin),box2d.b2AreaJointDef=function(){box2d.b2JointDef.call(this,box2d.b2JointType.e_areaJoint),this.bodies=[]},goog.inherits(box2d.b2AreaJointDef,box2d.b2JointDef),goog.exportSymbol("box2d.b2AreaJointDef",box2d.b2AreaJointDef),box2d.b2AreaJointDef.prototype.world=null,goog.exportProperty(box2d.b2AreaJointDef.prototype,"world",box2d.b2AreaJointDef.prototype.world),box2d.b2AreaJointDef.prototype.bodies=null,goog.exportProperty(box2d.b2AreaJointDef.prototype,"bodies",box2d.b2AreaJointDef.prototype.bodies),box2d.b2AreaJointDef.prototype.frequencyHz=0,goog.exportProperty(box2d.b2AreaJointDef.prototype,"frequencyHz",box2d.b2AreaJointDef.prototype.frequencyHz),box2d.b2AreaJointDef.prototype.dampingRatio=0,goog.exportProperty(box2d.b2AreaJointDef.prototype,"dampingRatio",box2d.b2AreaJointDef.prototype.dampingRatio),box2d.b2AreaJointDef.prototype.AddBody=function(o){this.bodies.push(o),1===this.bodies.length?this.bodyA=o:2===this.bodies.length&&(this.bodyB=o)},goog.exportProperty(box2d.b2AreaJointDef.prototype,"AddBody",box2d.b2AreaJointDef.prototype.AddBody),box2d.b2AreaJoint=function(o){box2d.b2Joint.call(this,o),box2d.ENABLE_ASSERTS&&box2d.b2Assert(3<=o.bodies.length,"You cannot create an area joint with less than three bodies."),this.m_bodies=o.bodies,this.m_frequencyHz=o.frequencyHz,this.m_dampingRatio=o.dampingRatio,this.m_targetLengths=box2d.b2MakeNumberArray(o.bodies.length),this.m_normals=box2d.b2Vec2.MakeArray(o.bodies.length),this.m_joints=Array(o.bodies.length),this.m_deltas=box2d.b2Vec2.MakeArray(o.bodies.length),this.m_delta=new box2d.b2Vec2;var t=new box2d.b2DistanceJointDef;t.frequencyHz=o.frequencyHz,t.dampingRatio=o.dampingRatio;for(var e=this.m_targetArea=0,r=this.m_bodies.length;e<r;++e){var i=this.m_bodies[e],n=this.m_bodies[(e+1)%r],p=i.GetWorldCenter(),s=n.GetWorldCenter();this.m_targetLengths[e]=box2d.b2Distance(p,s),this.m_targetArea+=box2d.b2Cross_V2_V2(p,s),t.Initialize(i,n,p,s),this.m_joints[e]=o.world.CreateJoint(t)}this.m_targetArea*=.5},goog.inherits(box2d.b2AreaJoint,box2d.b2Joint),goog.exportSymbol("box2d.b2AreaJoint",box2d.b2AreaJoint),box2d.b2AreaJoint.prototype.m_bodies=null,goog.exportProperty(box2d.b2AreaJoint.prototype,"m_bodies",box2d.b2AreaJoint.prototype.m_bodies),box2d.b2AreaJoint.prototype.m_frequencyHz=0,goog.exportProperty(box2d.b2AreaJoint.prototype,"m_frequencyHz",box2d.b2AreaJoint.prototype.m_frequencyHz),box2d.b2AreaJoint.prototype.m_dampingRatio=0,goog.exportProperty(box2d.b2AreaJoint.prototype,"m_dampingRatio",box2d.b2AreaJoint.prototype.m_dampingRatio),box2d.b2AreaJoint.prototype.m_impulse=0,goog.exportProperty(box2d.b2AreaJoint.prototype,"m_impulse",box2d.b2AreaJoint.prototype.m_impulse),box2d.b2AreaJoint.prototype.m_targetLengths=null,box2d.b2AreaJoint.prototype.m_targetArea=0,box2d.b2AreaJoint.prototype.m_normals=null,box2d.b2AreaJoint.prototype.m_joints=null,box2d.b2AreaJoint.prototype.m_deltas=null,box2d.b2AreaJoint.prototype.m_delta=null,box2d.b2AreaJoint.prototype.GetAnchorA=function(o){return o.SetZero()},goog.exportProperty(box2d.b2AreaJoint.prototype,"GetAnchorA",box2d.b2AreaJoint.prototype.GetAnchorA),box2d.b2AreaJoint.prototype.GetAnchorB=function(o){return o.SetZero()},goog.exportProperty(box2d.b2AreaJoint.prototype,"GetAnchorB",box2d.b2AreaJoint.prototype.GetAnchorB),box2d.b2AreaJoint.prototype.GetReactionForce=function(o,t){return t.SetZero()},goog.exportProperty(box2d.b2AreaJoint.prototype,"GetReactionForce",box2d.b2AreaJoint.prototype.GetReactionForce),box2d.b2AreaJoint.prototype.GetReactionTorque=function(o){return 0},goog.exportProperty(box2d.b2AreaJoint.prototype,"GetReactionTorque",box2d.b2AreaJoint.prototype.GetReactionTorque),box2d.b2AreaJoint.prototype.SetFrequency=function(o){this.m_frequencyHz=o;for(var t=0,e=this.m_joints.length;t<e;++t)this.m_joints[t].SetFrequency(o)},goog.exportProperty(box2d.b2AreaJoint.prototype,"SetFrequency",box2d.b2AreaJoint.prototype.SetFrequency),box2d.b2AreaJoint.prototype.GetFrequency=function(){return this.m_frequencyHz},goog.exportProperty(box2d.b2AreaJoint.prototype,"GetFrequency",box2d.b2AreaJoint.prototype.GetFrequency),box2d.b2AreaJoint.prototype.SetDampingRatio=function(o){this.m_dampingRatio=o;for(var t=0,e=this.m_joints.length;t<e;++t)this.m_joints[t].SetDampingRatio(o)},goog.exportProperty(box2d.b2AreaJoint.prototype,"SetDampingRatio",box2d.b2AreaJoint.prototype.SetDampingRatio),box2d.b2AreaJoint.prototype.GetDampingRatio=function(){return this.m_dampingRatio},goog.exportProperty(box2d.b2AreaJoint.prototype,"GetDampingRatio",box2d.b2AreaJoint.prototype.GetDampingRatio),box2d.b2AreaJoint.prototype.Dump=function(){box2d.DEBUG&&box2d.b2Log("Area joint dumping is not supported.\n")},goog.exportProperty(box2d.b2AreaJoint.prototype,"Dump",box2d.b2AreaJoint.prototype.Dump),box2d.b2AreaJoint.prototype.InitVelocityConstraints=function(o){for(var t=0,e=this.m_bodies.length;t<e;++t){var r=this.m_deltas[t];box2d.b2Sub_V2_V2(o.positions[this.m_bodies[(t+1)%e].m_islandIndex].c,o.positions[this.m_bodies[(t+e-1)%e].m_islandIndex].c,r)}if(o.step.warmStarting)for(this.m_impulse*=o.step.dtRatio,t=0,e=this.m_bodies.length;t<e;++t){var i=this.m_bodies[t],n=o.velocities[i.m_islandIndex].v;r=this.m_deltas[t];n.x+=i.m_invMass*r.y*.5*this.m_impulse,n.y+=i.m_invMass*-r.x*.5*this.m_impulse}else this.m_impulse=0},goog.exportProperty(box2d.b2AreaJoint.prototype,"InitVelocityConstraints",box2d.b2AreaJoint.prototype.InitVelocityConstraints),box2d.b2AreaJoint.prototype.SolveVelocityConstraints=function(o){for(var t=0,e=0,r=0,i=this.m_bodies.length;r<i;++r){var n=this.m_bodies[r],p=o.velocities[n.m_islandIndex].v,s=this.m_deltas[r];t=t+s.LengthSquared()/n.GetMass(),e=e+box2d.b2Cross_V2_V2(p,s)}for(t=-2*e/t,this.m_impulse+=t,r=0,i=this.m_bodies.length;r<i;++r)n=this.m_bodies[r],p=o.velocities[n.m_islandIndex].v,s=this.m_deltas[r],p.x+=n.m_invMass*s.y*.5*t,p.y+=n.m_invMass*-s.x*.5*t},goog.exportProperty(box2d.b2AreaJoint.prototype,"SolveVelocityConstraints",box2d.b2AreaJoint.prototype.SolveVelocityConstraints),box2d.b2AreaJoint.prototype.SolvePositionConstraints=function(o){for(var t=0,e=0,r=0,i=this.m_bodies.length;r<i;++r){var n=this.m_bodies[r],p=(n=o.positions[n.m_islandIndex].c,o.positions[this.m_bodies[(r+1)%i].m_islandIndex].c),s=box2d.b2Sub_V2_V2(p,n,this.m_delta),l=s.Length();l<box2d.b2_epsilon&&(l=1),this.m_normals[r].x=s.y/l,this.m_normals[r].y=-s.x/l,t+=l,e+=box2d.b2Cross_V2_V2(n,p)}for(t=.5*(this.m_targetArea-.5*e)/t,e=!0,r=0,i=this.m_bodies.length;r<i;++r)n=this.m_bodies[r],n=o.positions[n.m_islandIndex].c,(s=box2d.b2Add_V2_V2(this.m_normals[r],this.m_normals[(r+1)%i],this.m_delta)).SelfMul(t),(p=s.LengthSquared())>box2d.b2Sq(box2d.b2_maxLinearCorrection)&&s.SelfMul(box2d.b2_maxLinearCorrection/box2d.b2Sqrt(p)),p>box2d.b2Sq(box2d.b2_linearSlop)&&(e=!1),n.x+=s.x,n.y+=s.y;return e},goog.exportProperty(box2d.b2AreaJoint.prototype,"SolvePositionConstraints",box2d.b2AreaJoint.prototype.SolvePositionConstraints),box2d.b2DistanceJointDef=function(){box2d.b2JointDef.call(this,box2d.b2JointType.e_distanceJoint),this.localAnchorA=new box2d.b2Vec2,this.localAnchorB=new box2d.b2Vec2},goog.inherits(box2d.b2DistanceJointDef,box2d.b2JointDef),goog.exportSymbol("box2d.b2DistanceJointDef",box2d.b2DistanceJointDef),box2d.b2DistanceJointDef.prototype.localAnchorA=null,goog.exportProperty(box2d.b2DistanceJointDef.prototype,"localAnchorA",box2d.b2DistanceJointDef.prototype.localAnchorA),box2d.b2DistanceJointDef.prototype.localAnchorB=null,goog.exportProperty(box2d.b2DistanceJointDef.prototype,"localAnchorB",box2d.b2DistanceJointDef.prototype.localAnchorB),box2d.b2DistanceJointDef.prototype.length=1,goog.exportProperty(box2d.b2DistanceJointDef.prototype,"length",box2d.b2DistanceJointDef.prototype.length),box2d.b2DistanceJointDef.prototype.frequencyHz=0,goog.exportProperty(box2d.b2DistanceJointDef.prototype,"frequencyHz",box2d.b2DistanceJointDef.prototype.frequencyHz),box2d.b2DistanceJointDef.prototype.dampingRatio=0,goog.exportProperty(box2d.b2DistanceJointDef.prototype,"dampingRatio",box2d.b2DistanceJointDef.prototype.dampingRatio),box2d.b2DistanceJointDef.prototype.Initialize=function(o,t,e,r){this.bodyA=o,this.bodyB=t,this.bodyA.GetLocalPoint(e,this.localAnchorA),this.bodyB.GetLocalPoint(r,this.localAnchorB),this.length=box2d.b2Distance(e,r),this.dampingRatio=this.frequencyHz=0},goog.exportProperty(box2d.b2DistanceJointDef.prototype,"Initialize",box2d.b2DistanceJointDef.prototype.Initialize),box2d.b2DistanceJoint=function(o){box2d.b2Joint.call(this,o),this.m_u=new box2d.b2Vec2,this.m_rA=new box2d.b2Vec2,this.m_rB=new box2d.b2Vec2,this.m_localCenterA=new box2d.b2Vec2,this.m_localCenterB=new box2d.b2Vec2,this.m_qA=new box2d.b2Rot,this.m_qB=new box2d.b2Rot,this.m_lalcA=new box2d.b2Vec2,this.m_lalcB=new box2d.b2Vec2,this.m_frequencyHz=o.frequencyHz,this.m_dampingRatio=o.dampingRatio,this.m_localAnchorA=o.localAnchorA.Clone(),this.m_localAnchorB=o.localAnchorB.Clone(),this.m_length=o.length},goog.inherits(box2d.b2DistanceJoint,box2d.b2Joint),goog.exportSymbol("box2d.b2DistanceJoint",box2d.b2DistanceJoint),box2d.b2DistanceJoint.prototype.m_frequencyHz=0,goog.exportProperty(box2d.b2DistanceJoint.prototype,"m_frequencyHz",box2d.b2DistanceJoint.prototype.m_frequencyHz),box2d.b2DistanceJoint.prototype.m_dampingRatio=0,goog.exportProperty(box2d.b2DistanceJoint.prototype,"m_dampingRatio",box2d.b2DistanceJoint.prototype.m_dampingRatio),box2d.b2DistanceJoint.prototype.m_bias=0,goog.exportProperty(box2d.b2DistanceJoint.prototype,"m_bias",box2d.b2DistanceJoint.prototype.m_bias),box2d.b2DistanceJoint.prototype.m_localAnchorA=null,goog.exportProperty(box2d.b2DistanceJoint.prototype,"m_localAnchorA",box2d.b2DistanceJoint.prototype.m_localAnchorA),box2d.b2DistanceJoint.prototype.m_localAnchorB=null,goog.exportProperty(box2d.b2DistanceJoint.prototype,"m_localAnchorB",box2d.b2DistanceJoint.prototype.m_localAnchorB),box2d.b2DistanceJoint.prototype.m_gamma=0,goog.exportProperty(box2d.b2DistanceJoint.prototype,"m_gamma",box2d.b2DistanceJoint.prototype.m_gamma),box2d.b2DistanceJoint.prototype.m_impulse=0,goog.exportProperty(box2d.b2DistanceJoint.prototype,"m_impulse",box2d.b2DistanceJoint.prototype.m_impulse),box2d.b2DistanceJoint.prototype.m_length=0,goog.exportProperty(box2d.b2DistanceJoint.prototype,"m_length",box2d.b2DistanceJoint.prototype.m_length),box2d.b2DistanceJoint.prototype.m_indexA=0,goog.exportProperty(box2d.b2DistanceJoint.prototype,"m_indexA",box2d.b2DistanceJoint.prototype.m_indexA),box2d.b2DistanceJoint.prototype.m_indexB=0,goog.exportProperty(box2d.b2DistanceJoint.prototype,"m_indexB",box2d.b2DistanceJoint.prototype.m_indexB),box2d.b2DistanceJoint.prototype.m_u=null,goog.exportProperty(box2d.b2DistanceJoint.prototype,"m_u",box2d.b2DistanceJoint.prototype.m_u),box2d.b2DistanceJoint.prototype.m_rA=null,goog.exportProperty(box2d.b2DistanceJoint.prototype,"m_rA",box2d.b2DistanceJoint.prototype.m_rA),box2d.b2DistanceJoint.prototype.m_rB=null,goog.exportProperty(box2d.b2DistanceJoint.prototype,"m_rB",box2d.b2DistanceJoint.prototype.m_rB),box2d.b2DistanceJoint.prototype.m_localCenterA=null,goog.exportProperty(box2d.b2DistanceJoint.prototype,"m_localCenterA",box2d.b2DistanceJoint.prototype.m_localCenterA),box2d.b2DistanceJoint.prototype.m_localCenterB=null,goog.exportProperty(box2d.b2DistanceJoint.prototype,"m_localCenterB",box2d.b2DistanceJoint.prototype.m_localCenterB),box2d.b2DistanceJoint.prototype.m_invMassA=0,goog.exportProperty(box2d.b2DistanceJoint.prototype,"m_invMassA",box2d.b2DistanceJoint.prototype.m_invMassA),box2d.b2DistanceJoint.prototype.m_invMassB=0,goog.exportProperty(box2d.b2DistanceJoint.prototype,"m_invMassB",box2d.b2DistanceJoint.prototype.m_invMassB),box2d.b2DistanceJoint.prototype.m_invIA=0,goog.exportProperty(box2d.b2DistanceJoint.prototype,"m_invIA",box2d.b2DistanceJoint.prototype.m_invIA),box2d.b2DistanceJoint.prototype.m_invIB=0,goog.exportProperty(box2d.b2DistanceJoint.prototype,"m_invIB",box2d.b2DistanceJoint.prototype.m_invIB),box2d.b2DistanceJoint.prototype.m_mass=0,goog.exportProperty(box2d.b2DistanceJoint.prototype,"m_mass",box2d.b2DistanceJoint.prototype.m_mass),box2d.b2DistanceJoint.prototype.m_qA=null,goog.exportProperty(box2d.b2DistanceJoint.prototype,"m_qA",box2d.b2DistanceJoint.prototype.m_qA),box2d.b2DistanceJoint.prototype.m_qB=null,goog.exportProperty(box2d.b2DistanceJoint.prototype,"m_qB",box2d.b2DistanceJoint.prototype.m_qB),box2d.b2DistanceJoint.prototype.m_lalcA=null,goog.exportProperty(box2d.b2DistanceJoint.prototype,"m_lalcA",box2d.b2DistanceJoint.prototype.m_lalcA),box2d.b2DistanceJoint.prototype.m_lalcB=null,goog.exportProperty(box2d.b2DistanceJoint.prototype,"m_lalcB",box2d.b2DistanceJoint.prototype.m_lalcB),box2d.b2DistanceJoint.prototype.GetAnchorA=function(o){return this.m_bodyA.GetWorldPoint(this.m_localAnchorA,o)},goog.exportProperty(box2d.b2DistanceJoint.prototype,"GetAnchorA",box2d.b2DistanceJoint.prototype.GetAnchorA),box2d.b2DistanceJoint.prototype.GetAnchorB=function(o){return this.m_bodyB.GetWorldPoint(this.m_localAnchorB,o)},goog.exportProperty(box2d.b2DistanceJoint.prototype,"GetAnchorB",box2d.b2DistanceJoint.prototype.GetAnchorB),box2d.b2DistanceJoint.prototype.GetReactionForce=function(o,t){return t.Set(o*this.m_impulse*this.m_u.x,o*this.m_impulse*this.m_u.y)},goog.exportProperty(box2d.b2DistanceJoint.prototype,"GetReactionForce",box2d.b2DistanceJoint.prototype.GetReactionForce),box2d.b2DistanceJoint.prototype.GetReactionTorque=function(o){return 0},goog.exportProperty(box2d.b2DistanceJoint.prototype,"GetReactionTorque",box2d.b2DistanceJoint.prototype.GetReactionTorque),box2d.b2DistanceJoint.prototype.GetLocalAnchorA=function(o){return o.Copy(this.m_localAnchorA)},goog.exportProperty(box2d.b2DistanceJoint.prototype,"GetLocalAnchorA",box2d.b2DistanceJoint.prototype.GetLocalAnchorA),box2d.b2DistanceJoint.prototype.GetLocalAnchorB=function(o){return o.Copy(this.m_localAnchorB)},goog.exportProperty(box2d.b2DistanceJoint.prototype,"GetLocalAnchorB",box2d.b2DistanceJoint.prototype.GetLocalAnchorB),box2d.b2DistanceJoint.prototype.SetLength=function(o){this.m_length=o},goog.exportProperty(box2d.b2DistanceJoint.prototype,"SetLength",box2d.b2DistanceJoint.prototype.SetLength),box2d.b2DistanceJoint.prototype.GetLength=function(){return this.m_length},goog.exportProperty(box2d.b2DistanceJoint.prototype,"GetLength",box2d.b2DistanceJoint.prototype.GetLength),box2d.b2DistanceJoint.prototype.SetFrequency=function(o){this.m_frequencyHz=o},goog.exportProperty(box2d.b2DistanceJoint.prototype,"SetFrequency",box2d.b2DistanceJoint.prototype.SetFrequency),box2d.b2DistanceJoint.prototype.GetFrequency=function(){return this.m_frequencyHz},goog.exportProperty(box2d.b2DistanceJoint.prototype,"GetFrequency",box2d.b2DistanceJoint.prototype.GetFrequency),box2d.b2DistanceJoint.prototype.SetDampingRatio=function(o){this.m_dampingRatio=o},goog.exportProperty(box2d.b2DistanceJoint.prototype,"SetDampingRatio",box2d.b2DistanceJoint.prototype.SetDampingRatio),box2d.b2DistanceJoint.prototype.GetDampingRatio=function(){return this.m_dampingRatio},goog.exportProperty(box2d.b2DistanceJoint.prototype,"GetDampingRatio",box2d.b2DistanceJoint.prototype.GetDampingRatio),box2d.b2DistanceJoint.prototype.Dump=function(){if(box2d.DEBUG){var o=this.m_bodyA.m_islandIndex,t=this.m_bodyB.m_islandIndex;box2d.b2Log("  /*box2d.b2DistanceJointDef*/ var jd = new box2d.b2DistanceJointDef();\n"),box2d.b2Log("  jd.bodyA = bodies[%d];\n",o),box2d.b2Log("  jd.bodyB = bodies[%d];\n",t),box2d.b2Log("  jd.collideConnected = %s;\n",this.m_collideConnected?"true":"false"),box2d.b2Log("  jd.localAnchorA.Set(%.15f, %.15f);\n",this.m_localAnchorA.x,this.m_localAnchorA.y),box2d.b2Log("  jd.localAnchorB.Set(%.15f, %.15f);\n",this.m_localAnchorB.x,this.m_localAnchorB.y),box2d.b2Log("  jd.length = %.15f;\n",this.m_length),box2d.b2Log("  jd.frequencyHz = %.15f;\n",this.m_frequencyHz),box2d.b2Log("  jd.dampingRatio = %.15f;\n",this.m_dampingRatio),box2d.b2Log("  joints[%d] = this.m_world.CreateJoint(jd);\n",this.m_index)}},goog.exportProperty(box2d.b2DistanceJoint.prototype,"Dump",box2d.b2DistanceJoint.prototype.Dump),box2d.b2DistanceJoint.prototype.InitVelocityConstraints=function(o){this.m_indexA=this.m_bodyA.m_islandIndex,this.m_indexB=this.m_bodyB.m_islandIndex,this.m_localCenterA.Copy(this.m_bodyA.m_sweep.localCenter),this.m_localCenterB.Copy(this.m_bodyB.m_sweep.localCenter),this.m_invMassA=this.m_bodyA.m_invMass,this.m_invMassB=this.m_bodyB.m_invMass,this.m_invIA=this.m_bodyA.m_invI,this.m_invIB=this.m_bodyB.m_invI;var t=o.positions[this.m_indexA].c,e=o.velocities[this.m_indexA].v,r=o.velocities[this.m_indexA].w,i=o.positions[this.m_indexB].c,n=o.positions[this.m_indexB].a,p=o.velocities[this.m_indexB].v,s=o.velocities[this.m_indexB].w,l=this.m_qA.SetAngle(o.positions[this.m_indexA].a);n=this.m_qB.SetAngle(n);if(box2d.b2Sub_V2_V2(this.m_localAnchorA,this.m_localCenterA,this.m_lalcA),box2d.b2Mul_R_V2(l,this.m_lalcA,this.m_rA),box2d.b2Sub_V2_V2(this.m_localAnchorB,this.m_localCenterB,this.m_lalcB),box2d.b2Mul_R_V2(n,this.m_lalcB,this.m_rB),this.m_u.x=i.x+this.m_rB.x-t.x-this.m_rA.x,this.m_u.y=i.y+this.m_rB.y-t.y-this.m_rA.y,(i=this.m_u.Length())>box2d.b2_linearSlop?this.m_u.SelfMul(1/i):this.m_u.SetZero(),t=box2d.b2Cross_V2_V2(this.m_rA,this.m_u),l=box2d.b2Cross_V2_V2(this.m_rB,this.m_u),t=this.m_invMassA+this.m_invIA*t*t+this.m_invMassB+this.m_invIB*l*l,this.m_mass=0!==t?1/t:0,0<this.m_frequencyHz){i=i-this.m_length,l=2*box2d.b2_pi*this.m_frequencyHz,n=this.m_mass*l*l;var x=o.step.dt;this.m_gamma=x*(2*this.m_mass*this.m_dampingRatio*l+x*n),this.m_gamma=0!==this.m_gamma?1/this.m_gamma:0,this.m_bias=i*x*n*this.m_gamma,t+=this.m_gamma,this.m_mass=0!==t?1/t:0}else this.m_bias=this.m_gamma=0;o.step.warmStarting?(this.m_impulse*=o.step.dtRatio,t=box2d.b2Mul_S_V2(this.m_impulse,this.m_u,box2d.b2DistanceJoint.prototype.InitVelocityConstraints.s_P),e.SelfMulSub(this.m_invMassA,t),r-=this.m_invIA*box2d.b2Cross_V2_V2(this.m_rA,t),p.SelfMulAdd(this.m_invMassB,t),s+=this.m_invIB*box2d.b2Cross_V2_V2(this.m_rB,t)):this.m_impulse=0,o.velocities[this.m_indexA].w=r,o.velocities[this.m_indexB].w=s},goog.exportProperty(box2d.b2DistanceJoint.prototype,"InitVelocityConstraints",box2d.b2DistanceJoint.prototype.InitVelocityConstraints),box2d.b2DistanceJoint.prototype.InitVelocityConstraints.s_P=new box2d.b2Vec2,box2d.b2DistanceJoint.prototype.SolveVelocityConstraints=function(o){var t=o.velocities[this.m_indexA].v,e=o.velocities[this.m_indexA].w,r=o.velocities[this.m_indexB].v,i=o.velocities[this.m_indexB].w,n=box2d.b2AddCross_V2_S_V2(t,e,this.m_rA,box2d.b2DistanceJoint.prototype.SolveVelocityConstraints.s_vpA),p=box2d.b2AddCross_V2_S_V2(r,i,this.m_rB,box2d.b2DistanceJoint.prototype.SolveVelocityConstraints.s_vpB);n=box2d.b2Dot_V2_V2(this.m_u,box2d.b2Sub_V2_V2(p,n,box2d.b2Vec2.s_t0)),n=-this.m_mass*(n+this.m_bias+this.m_gamma*this.m_impulse);this.m_impulse+=n,n=box2d.b2Mul_S_V2(n,this.m_u,box2d.b2DistanceJoint.prototype.SolveVelocityConstraints.s_P),t.SelfMulSub(this.m_invMassA,n),e-=this.m_invIA*box2d.b2Cross_V2_V2(this.m_rA,n),r.SelfMulAdd(this.m_invMassB,n),i+=this.m_invIB*box2d.b2Cross_V2_V2(this.m_rB,n),o.velocities[this.m_indexA].w=e,o.velocities[this.m_indexB].w=i},goog.exportProperty(box2d.b2DistanceJoint.prototype,"SolveVelocityConstraints",box2d.b2DistanceJoint.prototype.SolveVelocityConstraints),box2d.b2DistanceJoint.prototype.SolveVelocityConstraints.s_vpA=new box2d.b2Vec2,box2d.b2DistanceJoint.prototype.SolveVelocityConstraints.s_vpB=new box2d.b2Vec2,box2d.b2DistanceJoint.prototype.SolveVelocityConstraints.s_P=new box2d.b2Vec2,box2d.b2DistanceJoint.prototype.SolvePositionConstraints=function(o){if(0<this.m_frequencyHz)return!0;var t=o.positions[this.m_indexA].c,e=o.positions[this.m_indexA].a,r=o.positions[this.m_indexB].c,i=o.positions[this.m_indexB].a;this.m_qA.SetAngle(e),this.m_qB.SetAngle(i);var n=box2d.b2Mul_R_V2(this.m_qA,this.m_lalcA,this.m_rA),p=box2d.b2Mul_R_V2(this.m_qB,this.m_lalcB,this.m_rB);(l=this.m_u).x=r.x+p.x-t.x-n.x,l.y=r.y+p.y-t.y-n.y;var s=this.m_u.Normalize()-this.m_length,l=(s=box2d.b2Clamp(s,-box2d.b2_maxLinearCorrection,box2d.b2_maxLinearCorrection),box2d.b2Mul_S_V2(-this.m_mass*s,l,box2d.b2DistanceJoint.prototype.SolvePositionConstraints.s_P));return t.SelfMulSub(this.m_invMassA,l),e-=this.m_invIA*box2d.b2Cross_V2_V2(n,l),r.SelfMulAdd(this.m_invMassB,l),i+=this.m_invIB*box2d.b2Cross_V2_V2(p,l),o.positions[this.m_indexA].a=e,o.positions[this.m_indexB].a=i,box2d.b2Abs(s)<box2d.b2_linearSlop},goog.exportProperty(box2d.b2DistanceJoint.prototype,"SolvePositionConstraints",box2d.b2DistanceJoint.prototype.SolvePositionConstraints),box2d.b2DistanceJoint.prototype.SolvePositionConstraints.s_P=new box2d.b2Vec2,box2d.b2FrictionJointDef=function(){box2d.b2JointDef.call(this,box2d.b2JointType.e_frictionJoint),this.localAnchorA=new box2d.b2Vec2,this.localAnchorB=new box2d.b2Vec2},goog.inherits(box2d.b2FrictionJointDef,box2d.b2JointDef),goog.exportSymbol("box2d.b2FrictionJointDef",box2d.b2FrictionJointDef),box2d.b2FrictionJointDef.prototype.localAnchorA=null,goog.exportProperty(box2d.b2FrictionJointDef.prototype,"localAnchorA",box2d.b2FrictionJointDef.prototype.localAnchorA),box2d.b2FrictionJointDef.prototype.localAnchorB=null,goog.exportProperty(box2d.b2FrictionJointDef.prototype,"localAnchorB",box2d.b2FrictionJointDef.prototype.localAnchorB),box2d.b2FrictionJointDef.prototype.maxForce=0,goog.exportProperty(box2d.b2FrictionJointDef.prototype,"maxForce",box2d.b2FrictionJointDef.prototype.maxForce),box2d.b2FrictionJointDef.prototype.maxTorque=0,goog.exportProperty(box2d.b2FrictionJointDef.prototype,"maxTorque",box2d.b2FrictionJointDef.prototype.maxTorque),box2d.b2FrictionJointDef.prototype.Initialize=function(o,t,e){this.bodyA=o,this.bodyB=t,this.bodyA.GetLocalPoint(e,this.localAnchorA),this.bodyB.GetLocalPoint(e,this.localAnchorB)},goog.exportProperty(box2d.b2FrictionJointDef.prototype,"Initialize",box2d.b2FrictionJointDef.prototype.Initialize),box2d.b2FrictionJoint=function(o){box2d.b2Joint.call(this,o),this.m_localAnchorA=o.localAnchorA.Clone(),this.m_localAnchorB=o.localAnchorB.Clone(),this.m_linearImpulse=(new box2d.b2Vec2).SetZero(),this.m_maxForce=o.maxForce,this.m_maxTorque=o.maxTorque,this.m_rA=new box2d.b2Vec2,this.m_rB=new box2d.b2Vec2,this.m_localCenterA=new box2d.b2Vec2,this.m_localCenterB=new box2d.b2Vec2,this.m_linearMass=(new box2d.b2Mat22).SetZero(),this.m_qA=new box2d.b2Rot,this.m_qB=new box2d.b2Rot,this.m_lalcA=new box2d.b2Vec2,this.m_lalcB=new box2d.b2Vec2,this.m_K=new box2d.b2Mat22},goog.inherits(box2d.b2FrictionJoint,box2d.b2Joint),goog.exportSymbol("box2d.b2FrictionJoint",box2d.b2FrictionJoint),box2d.b2FrictionJoint.prototype.m_localAnchorA=null,goog.exportProperty(box2d.b2FrictionJoint.prototype,"m_localAnchorA",box2d.b2FrictionJoint.prototype.m_localAnchorA),box2d.b2FrictionJoint.prototype.m_localAnchorB=null,goog.exportProperty(box2d.b2FrictionJoint.prototype,"m_localAnchorB",box2d.b2FrictionJoint.prototype.m_localAnchorB),box2d.b2FrictionJoint.prototype.m_linearImpulse=null,goog.exportProperty(box2d.b2FrictionJoint.prototype,"m_linearImpulse",box2d.b2FrictionJoint.prototype.m_linearImpulse),box2d.b2FrictionJoint.prototype.m_angularImpulse=0,goog.exportProperty(box2d.b2FrictionJoint.prototype,"m_angularImpulse",box2d.b2FrictionJoint.prototype.m_angularImpulse),box2d.b2FrictionJoint.prototype.m_maxForce=0,goog.exportProperty(box2d.b2FrictionJoint.prototype,"m_maxForce",box2d.b2FrictionJoint.prototype.m_maxForce),box2d.b2FrictionJoint.prototype.m_maxTorque=0,goog.exportProperty(box2d.b2FrictionJoint.prototype,"m_maxTorque",box2d.b2FrictionJoint.prototype.m_maxTorque),box2d.b2FrictionJoint.prototype.m_indexA=0,goog.exportProperty(box2d.b2FrictionJoint.prototype,"m_indexA",box2d.b2FrictionJoint.prototype.m_indexA),box2d.b2FrictionJoint.prototype.m_indexB=0,goog.exportProperty(box2d.b2FrictionJoint.prototype,"m_indexB",box2d.b2FrictionJoint.prototype.m_indexB),box2d.b2FrictionJoint.prototype.m_rA=null,goog.exportProperty(box2d.b2FrictionJoint.prototype,"m_rA",box2d.b2FrictionJoint.prototype.m_rA),box2d.b2FrictionJoint.prototype.m_rB=null,goog.exportProperty(box2d.b2FrictionJoint.prototype,"m_rB",box2d.b2FrictionJoint.prototype.m_rB),box2d.b2FrictionJoint.prototype.m_localCenterA=null,goog.exportProperty(box2d.b2FrictionJoint.prototype,"m_localCenterA",box2d.b2FrictionJoint.prototype.m_localCenterA),box2d.b2FrictionJoint.prototype.m_localCenterB=null,goog.exportProperty(box2d.b2FrictionJoint.prototype,"m_localCenterB",box2d.b2FrictionJoint.prototype.m_localCenterB),box2d.b2FrictionJoint.prototype.m_invMassA=0,goog.exportProperty(box2d.b2FrictionJoint.prototype,"m_invMassA",box2d.b2FrictionJoint.prototype.m_invMassA),box2d.b2FrictionJoint.prototype.m_invMassB=0,goog.exportProperty(box2d.b2FrictionJoint.prototype,"m_invMassB",box2d.b2FrictionJoint.prototype.m_invMassB),box2d.b2FrictionJoint.prototype.m_invIA=0,goog.exportProperty(box2d.b2FrictionJoint.prototype,"m_invIA",box2d.b2FrictionJoint.prototype.m_invIA),box2d.b2FrictionJoint.prototype.m_invIB=0,goog.exportProperty(box2d.b2FrictionJoint.prototype,"m_invIB",box2d.b2FrictionJoint.prototype.m_invIB),box2d.b2FrictionJoint.prototype.m_linearMass=null,goog.exportProperty(box2d.b2FrictionJoint.prototype,"m_linearMass",box2d.b2FrictionJoint.prototype.m_linearMass),box2d.b2FrictionJoint.prototype.m_angularMass=0,goog.exportProperty(box2d.b2FrictionJoint.prototype,"m_angularMass",box2d.b2FrictionJoint.prototype.m_angularMass),box2d.b2FrictionJoint.prototype.m_qA=null,goog.exportProperty(box2d.b2FrictionJoint.prototype,"m_qA",box2d.b2FrictionJoint.prototype.m_qA),box2d.b2FrictionJoint.prototype.m_qB=null,goog.exportProperty(box2d.b2FrictionJoint.prototype,"m_qB",box2d.b2FrictionJoint.prototype.m_qB),box2d.b2FrictionJoint.prototype.m_lalcA=null,goog.exportProperty(box2d.b2FrictionJoint.prototype,"m_lalcA",box2d.b2FrictionJoint.prototype.m_lalcA),box2d.b2FrictionJoint.prototype.m_lalcB=null,goog.exportProperty(box2d.b2FrictionJoint.prototype,"m_lalcB",box2d.b2FrictionJoint.prototype.m_lalcB),box2d.b2FrictionJoint.prototype.m_K=null,goog.exportProperty(box2d.b2FrictionJoint.prototype,"m_K",box2d.b2FrictionJoint.prototype.m_K),box2d.b2FrictionJoint.prototype.InitVelocityConstraints=function(o){this.m_indexA=this.m_bodyA.m_islandIndex,this.m_indexB=this.m_bodyB.m_islandIndex,this.m_localCenterA.Copy(this.m_bodyA.m_sweep.localCenter),this.m_localCenterB.Copy(this.m_bodyB.m_sweep.localCenter),this.m_invMassA=this.m_bodyA.m_invMass,this.m_invMassB=this.m_bodyB.m_invMass,this.m_invIA=this.m_bodyA.m_invI,this.m_invIB=this.m_bodyB.m_invI;var t=o.velocities[this.m_indexA].v,e=o.velocities[this.m_indexA].w,r=o.positions[this.m_indexB].a,i=o.velocities[this.m_indexB].v,n=o.velocities[this.m_indexB].w,p=this.m_qA.SetAngle(o.positions[this.m_indexA].a);r=this.m_qB.SetAngle(r);box2d.b2Sub_V2_V2(this.m_localAnchorA,this.m_localCenterA,this.m_lalcA),p=box2d.b2Mul_R_V2(p,this.m_lalcA,this.m_rA),box2d.b2Sub_V2_V2(this.m_localAnchorB,this.m_localCenterB,this.m_lalcB);var s=box2d.b2Mul_R_V2(r,this.m_lalcB,this.m_rB),l=(r=this.m_invMassA,this.m_invMassB),x=this.m_invIA,y=this.m_invIB,_=this.m_K;_.ex.x=r+l+x*p.y*p.y+y*s.y*s.y,_.ex.y=-x*p.x*p.y-y*s.x*s.y,_.ey.x=_.ex.y,_.ey.y=r+l+x*p.x*p.x+y*s.x*s.x,_.GetInverse(this.m_linearMass),this.m_angularMass=x+y,0<this.m_angularMass&&(this.m_angularMass=1/this.m_angularMass),o.step.warmStarting?(this.m_linearImpulse.SelfMul(o.step.dtRatio),this.m_angularImpulse*=o.step.dtRatio,p=this.m_linearImpulse,t.SelfMulSub(r,p),e-=x*(box2d.b2Cross_V2_V2(this.m_rA,p)+this.m_angularImpulse),i.SelfMulAdd(l,p),n+=y*(box2d.b2Cross_V2_V2(this.m_rB,p)+this.m_angularImpulse)):(this.m_linearImpulse.SetZero(),this.m_angularImpulse=0),o.velocities[this.m_indexA].w=e,o.velocities[this.m_indexB].w=n},goog.exportProperty(box2d.b2FrictionJoint.prototype,"InitVelocityConstraints",box2d.b2FrictionJoint.prototype.InitVelocityConstraints),box2d.b2FrictionJoint.prototype.SolveVelocityConstraints=function(o){var t,e=o.velocities[this.m_indexA].v,r=o.velocities[this.m_indexA].w,i=o.velocities[this.m_indexB].v,n=o.velocities[this.m_indexB].w,p=this.m_invMassA,s=this.m_invMassB,l=this.m_invIA,x=this.m_invIB,y=o.step.dt,_=-this.m_angularMass*(n-r),m=this.m_angularImpulse;t=y*this.m_maxTorque,this.m_angularImpulse=box2d.b2Clamp(this.m_angularImpulse+_,-t,t),r-=l*(_=this.m_angularImpulse-m),n+=x*_,t=box2d.b2Sub_V2_V2(box2d.b2AddCross_V2_S_V2(i,n,this.m_rB,box2d.b2Vec2.s_t0),box2d.b2AddCross_V2_S_V2(e,r,this.m_rA,box2d.b2Vec2.s_t1),box2d.b2FrictionJoint.prototype.SolveVelocityConstraints.s_Cdot),_=box2d.b2Mul_M22_V2(this.m_linearMass,t,box2d.b2FrictionJoint.prototype.SolveVelocityConstraints.s_impulseV).SelfNeg(),m=box2d.b2FrictionJoint.prototype.SolveVelocityConstraints.s_oldImpulseV.Copy(this.m_linearImpulse),this.m_linearImpulse.SelfAdd(_),t=y*this.m_maxForce,this.m_linearImpulse.LengthSquared()>t*t&&(this.m_linearImpulse.Normalize(),this.m_linearImpulse.SelfMul(t)),box2d.b2Sub_V2_V2(this.m_linearImpulse,m,_),e.SelfMulSub(p,_),r-=l*box2d.b2Cross_V2_V2(this.m_rA,_),i.SelfMulAdd(s,_),n+=x*box2d.b2Cross_V2_V2(this.m_rB,_),o.velocities[this.m_indexA].w=r,o.velocities[this.m_indexB].w=n},goog.exportProperty(box2d.b2FrictionJoint.prototype,"SolveVelocityConstraints",box2d.b2FrictionJoint.prototype.SolveVelocityConstraints),box2d.b2FrictionJoint.prototype.SolveVelocityConstraints.s_Cdot=new box2d.b2Vec2,box2d.b2FrictionJoint.prototype.SolveVelocityConstraints.s_impulseV=new box2d.b2Vec2,box2d.b2FrictionJoint.prototype.SolveVelocityConstraints.s_oldImpulseV=new box2d.b2Vec2,box2d.b2FrictionJoint.prototype.SolvePositionConstraints=function(o){return!0},goog.exportProperty(box2d.b2FrictionJoint.prototype,"SolvePositionConstraints",box2d.b2FrictionJoint.prototype.SolvePositionConstraints),box2d.b2FrictionJoint.prototype.GetAnchorA=function(o){return this.m_bodyA.GetWorldPoint(this.m_localAnchorA,o)},goog.exportProperty(box2d.b2FrictionJoint.prototype,"GetAnchorA",box2d.b2FrictionJoint.prototype.GetAnchorA),box2d.b2FrictionJoint.prototype.GetAnchorB=function(o){return this.m_bodyB.GetWorldPoint(this.m_localAnchorB,o)},goog.exportProperty(box2d.b2FrictionJoint.prototype,"GetAnchorB",box2d.b2FrictionJoint.prototype.GetAnchorB),box2d.b2FrictionJoint.prototype.GetReactionForce=function(o,t){return t.Set(o*this.m_linearImpulse.x,o*this.m_linearImpulse.y)},goog.exportProperty(box2d.b2FrictionJoint.prototype,"GetReactionForce",box2d.b2FrictionJoint.prototype.GetReactionForce),box2d.b2FrictionJoint.prototype.GetReactionTorque=function(o){return o*this.m_angularImpulse},goog.exportProperty(box2d.b2FrictionJoint.prototype,"GetReactionTorque",box2d.b2FrictionJoint.prototype.GetReactionTorque),box2d.b2FrictionJoint.prototype.GetLocalAnchorA=function(o){return o.Copy(this.m_localAnchorA)},goog.exportProperty(box2d.b2FrictionJoint.prototype,"GetLocalAnchorA",box2d.b2FrictionJoint.prototype.GetLocalAnchorA),box2d.b2FrictionJoint.prototype.GetLocalAnchorB=function(o){return o.Copy(this.m_localAnchorB)},goog.exportProperty(box2d.b2FrictionJoint.prototype,"GetLocalAnchorB",box2d.b2FrictionJoint.prototype.GetLocalAnchorB),box2d.b2FrictionJoint.prototype.SetMaxForce=function(o){this.m_maxForce=o},goog.exportProperty(box2d.b2FrictionJoint.prototype,"SetMaxForce",box2d.b2FrictionJoint.prototype.SetMaxForce),box2d.b2FrictionJoint.prototype.GetMaxForce=function(){return this.m_maxForce},goog.exportProperty(box2d.b2FrictionJoint.prototype,"GetMaxForce",box2d.b2FrictionJoint.prototype.GetMaxForce),box2d.b2FrictionJoint.prototype.SetMaxTorque=function(o){this.m_maxTorque=o},goog.exportProperty(box2d.b2FrictionJoint.prototype,"SetMaxTorque",box2d.b2FrictionJoint.prototype.SetMaxTorque),box2d.b2FrictionJoint.prototype.GetMaxTorque=function(){return this.m_maxTorque},goog.exportProperty(box2d.b2FrictionJoint.prototype,"GetMaxTorque",box2d.b2FrictionJoint.prototype.GetMaxTorque),box2d.b2FrictionJoint.prototype.Dump=function(){if(box2d.DEBUG){var o=this.m_bodyA.m_islandIndex,t=this.m_bodyB.m_islandIndex;box2d.b2Log("  /*box2d.b2FrictionJointDef*/ var jd = new box2d.b2FrictionJointDef();\n"),box2d.b2Log("  jd.bodyA = bodies[%d];\n",o),box2d.b2Log("  jd.bodyB = bodies[%d];\n",t),box2d.b2Log("  jd.collideConnected = %s;\n",this.m_collideConnected?"true":"false"),box2d.b2Log("  jd.localAnchorA.Set(%.15f, %.15f);\n",this.m_localAnchorA.x,this.m_localAnchorA.y),box2d.b2Log("  jd.localAnchorB.Set(%.15f, %.15f);\n",this.m_localAnchorB.x,this.m_localAnchorB.y),box2d.b2Log("  jd.maxForce = %.15f;\n",this.m_maxForce),box2d.b2Log("  jd.maxTorque = %.15f;\n",this.m_maxTorque),box2d.b2Log("  joints[%d] = this.m_world.CreateJoint(jd);\n",this.m_index)}},goog.exportProperty(box2d.b2FrictionJoint.prototype,"Dump",box2d.b2FrictionJoint.prototype.Dump),box2d.b2JointFactory={},box2d.b2JointFactory.Create=function(o,t){var e=null;switch(o.type){case box2d.b2JointType.e_distanceJoint:e=new box2d.b2DistanceJoint(o instanceof box2d.b2DistanceJointDef?o:null);break;case box2d.b2JointType.e_mouseJoint:e=new box2d.b2MouseJoint(o instanceof box2d.b2MouseJointDef?o:null);break;case box2d.b2JointType.e_prismaticJoint:e=new box2d.b2PrismaticJoint(o instanceof box2d.b2PrismaticJointDef?o:null);break;case box2d.b2JointType.e_revoluteJoint:e=new box2d.b2RevoluteJoint(o instanceof box2d.b2RevoluteJointDef?o:null);break;case box2d.b2JointType.e_pulleyJoint:e=new box2d.b2PulleyJoint(o instanceof box2d.b2PulleyJointDef?o:null);break;case box2d.b2JointType.e_gearJoint:e=new box2d.b2GearJoint(o instanceof box2d.b2GearJointDef?o:null);break;case box2d.b2JointType.e_wheelJoint:e=new box2d.b2WheelJoint(o instanceof box2d.b2WheelJointDef?o:null);break;case box2d.b2JointType.e_weldJoint:e=new box2d.b2WeldJoint(o instanceof box2d.b2WeldJointDef?o:null);break;case box2d.b2JointType.e_frictionJoint:e=new box2d.b2FrictionJoint(o instanceof box2d.b2FrictionJointDef?o:null);break;case box2d.b2JointType.e_ropeJoint:e=new box2d.b2RopeJoint(o instanceof box2d.b2RopeJointDef?o:null);break;case box2d.b2JointType.e_motorJoint:e=new box2d.b2MotorJoint(o instanceof box2d.b2MotorJointDef?o:null);break;case box2d.b2JointType.e_areaJoint:e=new box2d.b2AreaJoint(o instanceof box2d.b2AreaJointDef?o:null);break;default:box2d.ENABLE_ASSERTS&&box2d.b2Assert(!1)}return e},goog.exportSymbol("box2d.b2JointFactory.Create",box2d.b2JointFactory.Create),box2d.b2JointFactory.Destroy=function(o,t){},goog.exportSymbol("box2d.b2JointFactory.Destroy",box2d.b2JointFactory.Destroy),box2d.b2World=function(o){this.m_flag_clearForces=!0,this.m_contactManager=new box2d.b2ContactManager,this.m_gravity=o.Clone(),this.m_out_gravity=new box2d.b2Vec2,this.m_allowSleep=!0,this.m_debugDraw=this.m_destructionListener=null,this.m_continuousPhysics=this.m_warmStarting=!0,this.m_subStepping=!1,this.m_stepComplete=!0,this.m_profile=new box2d.b2Profile,this.m_island=new box2d.b2Island,this.s_stack=[]},goog.exportSymbol("box2d.b2World",box2d.b2World),box2d.b2World.prototype.m_flag_newFixture=!1,goog.exportProperty(box2d.b2World.prototype,"m_flag_newFixture",box2d.b2World.prototype.m_flag_newFixture),box2d.b2World.prototype.m_flag_locked=!1,goog.exportProperty(box2d.b2World.prototype,"m_flag_locked",box2d.b2World.prototype.m_flag_locked),box2d.b2World.prototype.m_flag_clearForces=!1,goog.exportProperty(box2d.b2World.prototype,"m_flag_clearForces",box2d.b2World.prototype.m_flag_clearForces),box2d.b2World.prototype.m_contactManager=null,goog.exportProperty(box2d.b2World.prototype,"m_contactManager",box2d.b2World.prototype.m_contactManager),box2d.b2World.prototype.m_bodyList=null,goog.exportProperty(box2d.b2World.prototype,"m_bodyList",box2d.b2World.prototype.m_bodyList),box2d.b2World.prototype.m_jointList=null,goog.exportProperty(box2d.b2World.prototype,"m_jointList",box2d.b2World.prototype.m_jointList),box2d.b2World.prototype.m_particleSystemList=null,goog.exportProperty(box2d.b2World.prototype,"m_particleSystemList",box2d.b2World.prototype.m_particleSystemList),box2d.b2World.prototype.m_bodyCount=0,goog.exportProperty(box2d.b2World.prototype,"m_bodyCount",box2d.b2World.prototype.m_bodyCount),box2d.b2World.prototype.m_jointCount=0,goog.exportProperty(box2d.b2World.prototype,"m_jointCount",box2d.b2World.prototype.m_jointCount),box2d.b2World.prototype.m_gravity=null,goog.exportProperty(box2d.b2World.prototype,"m_gravity",box2d.b2World.prototype.m_gravity),box2d.b2World.prototype.m_out_gravity=null,goog.exportProperty(box2d.b2World.prototype,"m_out_gravity",box2d.b2World.prototype.m_out_gravity),box2d.b2World.prototype.m_allowSleep=!0,goog.exportProperty(box2d.b2World.prototype,"m_allowSleep",box2d.b2World.prototype.m_allowSleep),box2d.b2World.prototype.m_destructionListener=null,goog.exportProperty(box2d.b2World.prototype,"m_destructionListener",box2d.b2World.prototype.m_destructionListener),box2d.b2World.prototype.m_debugDraw=null,goog.exportProperty(box2d.b2World.prototype,"m_debugDraw",box2d.b2World.prototype.m_debugDraw),box2d.b2World.prototype.m_inv_dt0=0,goog.exportProperty(box2d.b2World.prototype,"m_inv_dt0",box2d.b2World.prototype.m_inv_dt0),box2d.b2World.prototype.m_warmStarting=!0,goog.exportProperty(box2d.b2World.prototype,"m_warmStarting",box2d.b2World.prototype.m_warmStarting),box2d.b2World.prototype.m_continuousPhysics=!0,goog.exportProperty(box2d.b2World.prototype,"m_continuousPhysics",box2d.b2World.prototype.m_continuousPhysics),box2d.b2World.prototype.m_subStepping=!1,goog.exportProperty(box2d.b2World.prototype,"m_subStepping",box2d.b2World.prototype.m_subStepping),box2d.b2World.prototype.m_stepComplete=!0,goog.exportProperty(box2d.b2World.prototype,"m_stepComplete",box2d.b2World.prototype.m_stepComplete),box2d.b2World.prototype.m_profile=null,goog.exportProperty(box2d.b2World.prototype,"m_profile",box2d.b2World.prototype.m_profile),box2d.b2World.prototype.m_island=null,goog.exportProperty(box2d.b2World.prototype,"m_island",box2d.b2World.prototype.m_island),box2d.b2World.prototype.s_stack=null,goog.exportProperty(box2d.b2World.prototype,"s_stack",box2d.b2World.prototype.s_stack),box2d.b2World.prototype.m_controllerList=null,goog.exportProperty(box2d.b2World.prototype,"m_controllerList",box2d.b2World.prototype.m_controllerList),box2d.b2World.prototype.m_controllerCount=0,goog.exportProperty(box2d.b2World.prototype,"m_controllerCount",box2d.b2World.prototype.m_controllerCount),box2d.b2World.prototype.SetAllowSleeping=function(o){if(o!==this.m_allowSleep&&(this.m_allowSleep=o,!this.m_allowSleep))for(o=this.m_bodyList;o;o=o.m_next)o.SetAwake(!0)},goog.exportProperty(box2d.b2World.prototype,"SetAllowSleeping",box2d.b2World.prototype.SetAllowSleeping),box2d.b2World.prototype.GetAllowSleeping=function(){return this.m_allowSleep},goog.exportProperty(box2d.b2World.prototype,"GetAllowSleeping",box2d.b2World.prototype.GetAllowSleeping),box2d.b2World.prototype.SetWarmStarting=function(o){this.m_warmStarting=o},goog.exportProperty(box2d.b2World.prototype,"SetWarmStarting",box2d.b2World.prototype.SetWarmStarting),box2d.b2World.prototype.GetWarmStarting=function(){return this.m_warmStarting},goog.exportProperty(box2d.b2World.prototype,"GetWarmStarting",box2d.b2World.prototype.GetWarmStarting),box2d.b2World.prototype.SetContinuousPhysics=function(o){this.m_continuousPhysics=o},goog.exportProperty(box2d.b2World.prototype,"SetContinuousPhysics",box2d.b2World.prototype.SetContinuousPhysics),box2d.b2World.prototype.GetContinuousPhysics=function(){return this.m_continuousPhysics},goog.exportProperty(box2d.b2World.prototype,"GetContinuousPhysics",box2d.b2World.prototype.GetContinuousPhysics),box2d.b2World.prototype.SetSubStepping=function(o){this.m_subStepping=o},goog.exportProperty(box2d.b2World.prototype,"SetSubStepping",box2d.b2World.prototype.SetSubStepping),box2d.b2World.prototype.GetSubStepping=function(){return this.m_subStepping},goog.exportProperty(box2d.b2World.prototype,"GetSubStepping",box2d.b2World.prototype.GetSubStepping),box2d.b2World.prototype.GetBodyList=function(){return this.m_bodyList},goog.exportProperty(box2d.b2World.prototype,"GetBodyList",box2d.b2World.prototype.GetBodyList),box2d.b2World.prototype.GetJointList=function(){return this.m_jointList},goog.exportProperty(box2d.b2World.prototype,"GetJointList",box2d.b2World.prototype.GetJointList),box2d.b2World.prototype.GetParticleSystemList=function(){return this.m_particleSystemList},goog.exportProperty(box2d.b2World.prototype,"GetParticleSystemList",box2d.b2World.prototype.GetParticleSystemList),box2d.b2World.prototype.GetContactList=function(){return this.m_contactManager.m_contactList},goog.exportProperty(box2d.b2World.prototype,"GetContactList",box2d.b2World.prototype.GetContactList),box2d.b2World.prototype.GetBodyCount=function(){return this.m_bodyCount},goog.exportProperty(box2d.b2World.prototype,"GetBodyCount",box2d.b2World.prototype.GetBodyCount),box2d.b2World.prototype.GetJointCount=function(){return this.m_jointCount},goog.exportProperty(box2d.b2World.prototype,"GetJointCount",box2d.b2World.prototype.GetJointCount),box2d.b2World.prototype.GetContactCount=function(){return this.m_contactManager.m_contactCount},goog.exportProperty(box2d.b2World.prototype,"GetContactCount",box2d.b2World.prototype.GetContactCount),box2d.b2World.prototype.SetGravity=function(o,t){if(t=t||!0,(this.m_gravity.x!==o.x||this.m_gravity.y!==o.y)&&(this.m_gravity.Copy(o),t))for(var e=this.m_bodyList;e;e=e.m_next)e.SetAwake(!0)},goog.exportProperty(box2d.b2World.prototype,"SetGravity",box2d.b2World.prototype.SetGravity),box2d.b2World.prototype.GetGravity=function(o){return(o=o||this.m_out_gravity).Copy(this.m_gravity)},goog.exportProperty(box2d.b2World.prototype,"GetGravity",box2d.b2World.prototype.GetGravity),box2d.b2World.prototype.IsLocked=function(){return this.m_flag_locked},goog.exportProperty(box2d.b2World.prototype,"IsLocked",box2d.b2World.prototype.IsLocked),box2d.b2World.prototype.SetAutoClearForces=function(o){this.m_flag_clearForces=o},goog.exportProperty(box2d.b2World.prototype,"SetAutoClearForces",box2d.b2World.prototype.SetAutoClearForces),box2d.b2World.prototype.GetAutoClearForces=function(){return this.m_flag_clearForces},goog.exportProperty(box2d.b2World.prototype,"GetAutoClearForces",box2d.b2World.prototype.GetAutoClearForces),box2d.b2World.prototype.GetContactManager=function(){return this.m_contactManager},goog.exportProperty(box2d.b2World.prototype,"GetContactManager",box2d.b2World.prototype.GetContactManager),box2d.b2World.prototype.GetProfile=function(){return this.m_profile},goog.exportProperty(box2d.b2World.prototype,"GetProfile",box2d.b2World.prototype.GetProfile),box2d.b2World.prototype.SetDestructionListener=function(o){this.m_destructionListener=o},goog.exportProperty(box2d.b2World.prototype,"SetDestructionListener",box2d.b2World.prototype.SetDestructionListener),box2d.b2World.prototype.SetContactFilter=function(o){this.m_contactManager.m_contactFilter=o},goog.exportProperty(box2d.b2World.prototype,"SetContactFilter",box2d.b2World.prototype.SetContactFilter),box2d.b2World.prototype.SetContactListener=function(o){this.m_contactManager.m_contactListener=o},goog.exportProperty(box2d.b2World.prototype,"SetContactListener",box2d.b2World.prototype.SetContactListener),box2d.b2World.prototype.SetDebugDraw=function(o){this.m_debugDraw=o},goog.exportProperty(box2d.b2World.prototype,"SetDebugDraw",box2d.b2World.prototype.SetDebugDraw),box2d.b2World.prototype.CreateBody=function(o){return box2d.ENABLE_ASSERTS&&box2d.b2Assert(!this.IsLocked()),this.IsLocked()?null:((o=new box2d.b2Body(o,this)).m_prev=null,(o.m_next=this.m_bodyList)&&(this.m_bodyList.m_prev=o),this.m_bodyList=o,++this.m_bodyCount,o)},goog.exportProperty(box2d.b2World.prototype,"CreateBody",box2d.b2World.prototype.CreateBody),box2d.b2World.prototype.DestroyBody=function(o){if(box2d.ENABLE_ASSERTS&&box2d.b2Assert(0<this.m_bodyCount),box2d.ENABLE_ASSERTS&&box2d.b2Assert(!this.IsLocked()),!this.IsLocked()){for(var t=o.m_jointList;t;){var e=t;t=t.next;this.m_destructionListener&&this.m_destructionListener.SayGoodbyeJoint(e.joint),this.DestroyJoint(e.joint),o.m_jointList=t}for(o.m_jointList=null,t=o.m_controllerList;t;)e=t,t=t.nextController,e.controller.RemoveBody(o);for(t=o.m_contactList;t;)e=t,t=t.next,this.m_contactManager.Destroy(e.contact);for(o.m_contactList=null,t=o.m_fixtureList;t;)e=t,t=t.m_next,this.m_destructionListener&&this.m_destructionListener.SayGoodbyeFixture(e),e.DestroyProxies(this.m_contactManager.m_broadPhase),e.Destroy(),o.m_fixtureList=t,--o.m_fixtureCount;o.m_fixtureList=null,o.m_fixtureCount=0,o.m_prev&&(o.m_prev.m_next=o.m_next),o.m_next&&(o.m_next.m_prev=o.m_prev),o===this.m_bodyList&&(this.m_bodyList=o.m_next),--this.m_bodyCount}},goog.exportProperty(box2d.b2World.prototype,"DestroyBody",box2d.b2World.prototype.DestroyBody),box2d.b2World.prototype.CreateJoint=function(o){if(box2d.ENABLE_ASSERTS&&box2d.b2Assert(!this.IsLocked()),this.IsLocked())return null;var t=box2d.b2JointFactory.Create(o,null);t.m_prev=null,(t.m_next=this.m_jointList)&&(this.m_jointList.m_prev=t),this.m_jointList=t,++this.m_jointCount,t.m_edgeA.joint=t,t.m_edgeA.other=t.m_bodyB,t.m_edgeA.prev=null,(t.m_edgeA.next=t.m_bodyA.m_jointList)&&(t.m_bodyA.m_jointList.prev=t.m_edgeA),t.m_bodyA.m_jointList=t.m_edgeA,t.m_edgeB.joint=t,t.m_edgeB.other=t.m_bodyA,t.m_edgeB.prev=null,(t.m_edgeB.next=t.m_bodyB.m_jointList)&&(t.m_bodyB.m_jointList.prev=t.m_edgeB),t.m_bodyB.m_jointList=t.m_edgeB;var e=o.bodyA,r=o.bodyB;if(!o.collideConnected)for(o=r.GetContactList();o;)o.other===e&&o.contact.FlagForFiltering(),o=o.next;return t},goog.exportProperty(box2d.b2World.prototype,"CreateJoint",box2d.b2World.prototype.CreateJoint),box2d.b2World.prototype.DestroyJoint=function(o){if(box2d.ENABLE_ASSERTS&&box2d.b2Assert(!this.IsLocked()),!this.IsLocked()){var t=o.m_collideConnected;o.m_prev&&(o.m_prev.m_next=o.m_next),o.m_next&&(o.m_next.m_prev=o.m_prev),o===this.m_jointList&&(this.m_jointList=o.m_next);var e=o.m_bodyA,r=o.m_bodyB;if(e.SetAwake(!0),r.SetAwake(!0),o.m_edgeA.prev&&(o.m_edgeA.prev.next=o.m_edgeA.next),o.m_edgeA.next&&(o.m_edgeA.next.prev=o.m_edgeA.prev),o.m_edgeA===e.m_jointList&&(e.m_jointList=o.m_edgeA.next),o.m_edgeA.prev=null,o.m_edgeA.next=null,o.m_edgeB.prev&&(o.m_edgeB.prev.next=o.m_edgeB.next),o.m_edgeB.next&&(o.m_edgeB.next.prev=o.m_edgeB.prev),o.m_edgeB===r.m_jointList&&(r.m_jointList=o.m_edgeB.next),o.m_edgeB.prev=null,o.m_edgeB.next=null,box2d.b2JointFactory.Destroy(o,null),box2d.ENABLE_ASSERTS&&box2d.b2Assert(0<this.m_jointCount),--this.m_jointCount,!t)for(o=r.GetContactList();o;)o.other===e&&o.contact.FlagForFiltering(),o=o.next}},goog.exportProperty(box2d.b2World.prototype,"DestroyJoint",box2d.b2World.prototype.DestroyJoint),box2d.b2World.prototype.CreateParticleSystem=function(o){return box2d.ENABLE_ASSERTS&&box2d.b2Assert(!this.IsLocked()),this.IsLocked()?null:((o=new box2d.b2ParticleSystem(o,this)).m_prev=null,(o.m_next=this.m_particleSystemList)&&(this.m_particleSystemList.m_prev=o),this.m_particleSystemList=o)},goog.exportProperty(box2d.b2World.prototype,"CreateParticleSystem",box2d.b2World.prototype.CreateParticleSystem),box2d.b2World.prototype.DestroyParticleSystem=function(o){box2d.ENABLE_ASSERTS&&box2d.b2Assert(!this.IsLocked()),this.IsLocked()||(o.m_prev&&(o.m_prev.m_next=o.m_next),o.m_next&&(o.m_next.m_prev=o.m_prev),o===this.m_particleSystemList&&(this.m_particleSystemList=o.m_next))},goog.exportProperty(box2d.b2World.prototype,"DestroyParticleSystem",box2d.b2World.prototype.DestroyParticleSystem),box2d.b2World.prototype.Solve=function(o){for(var t=this.m_bodyList;t;t=t.m_next)t.m_xf0.Copy(t.m_xf);for(var e=this.m_controllerList;e;e=e.m_next)e.Step(o);for(this.m_profile.solveInit=0,this.m_profile.solveVelocity=0,this.m_profile.solvePosition=0,(e=this.m_island).Initialize(this.m_bodyCount,this.m_contactManager.m_contactCount,this.m_jointCount,null,this.m_contactManager.m_contactListener),t=this.m_bodyList;t;t=t.m_next)t.m_flag_islandFlag=!1;for(var r=this.m_contactManager.m_contactList;r;r=r.m_next)r.m_flag_islandFlag=!1;for(r=this.m_jointList;r;r=r.m_next)r.m_islandFlag=!1;r=this.m_bodyCount;for(var i=this.s_stack,n=this.m_bodyList;n;n=n.m_next)if(!n.m_flag_islandFlag&&n.IsAwake()&&n.IsActive()&&n.GetType()!==box2d.b2BodyType.b2_staticBody){e.Clear();var p=0;for(i[p++]=n,n.m_flag_islandFlag=!0;0<p;)if(t=i[--p],box2d.ENABLE_ASSERTS&&box2d.b2Assert(t.IsActive()),e.AddBody(t),t.SetAwake(!0),t.GetType()!==box2d.b2BodyType.b2_staticBody){for(var s=t.m_contactList;s;s=s.next){var l=s.contact;if(!l.m_flag_islandFlag&&l.IsEnabled()&&l.IsTouching()){var x=l.m_fixtureB.m_isSensor;l.m_fixtureA.m_isSensor||x||(e.AddContact(l),l.m_flag_islandFlag=!0,(l=s.other).m_flag_islandFlag||(box2d.ENABLE_ASSERTS&&box2d.b2Assert(p<r),i[p++]=l,l.m_flag_islandFlag=!0))}}for(t=t.m_jointList;t;t=t.next)t.joint.m_islandFlag||(l=t.other).IsActive()&&(e.AddJoint(t.joint),t.joint.m_islandFlag=!0,l.m_flag_islandFlag||(box2d.ENABLE_ASSERTS&&box2d.b2Assert(p<r),i[p++]=l,l.m_flag_islandFlag=!0))}for(t=new box2d.b2Profile,e.Solve(t,o,this.m_gravity,this.m_allowSleep),this.m_profile.solveInit+=t.solveInit,this.m_profile.solveVelocity+=t.solveVelocity,this.m_profile.solvePosition+=t.solvePosition,p=0;p<e.m_bodyCount;++p)(t=e.m_bodies[p]).GetType()===box2d.b2BodyType.b2_staticBody&&(t.m_flag_islandFlag=!1)}for(p=0;p<i.length&&i[p];++p)i[p]=null;for(o=new box2d.b2Timer,t=this.m_bodyList;t;t=t.m_next)t.m_flag_islandFlag&&t.GetType()!==box2d.b2BodyType.b2_staticBody&&t.SynchronizeFixtures();this.m_contactManager.FindNewContacts(),this.m_profile.broadphase=o.GetMilliseconds()},goog.exportProperty(box2d.b2World.prototype,"Solve",box2d.b2World.prototype.Solve),box2d.b2World.prototype.SolveTOI=function(o){var t=this.m_island;if(t.Initialize(2*box2d.b2_maxTOIContacts,box2d.b2_maxTOIContacts,0,null,this.m_contactManager.m_contactListener),this.m_stepComplete){for(var e=this.m_bodyList;e;e=e.m_next)e.m_flag_islandFlag=!1,e.m_sweep.alpha0=0;for(var r=this.m_contactManager.m_contactList;r;r=r.m_next)r.m_flag_toiFlag=r.m_flag_islandFlag=!1,r.m_toiCount=0,r.m_toi=1}for(;;){var i=null;for(e=1,r=this.m_contactManager.m_contactList;r;r=r.m_next)if(r.IsEnabled()&&!(r.m_toiCount>box2d.b2_maxSubSteps)){var n=1;if(r.m_flag_toiFlag)n=r.m_toi;else{var p=r.GetFixtureA(),s=r.GetFixtureB();if(p.IsSensor()||s.IsSensor())continue;n=p.GetBody();var l=s.GetBody(),x=n.m_type,y=l.m_type;box2d.ENABLE_ASSERTS&&box2d.b2Assert(x!==box2d.b2BodyType.b2_staticBody||y!==box2d.b2BodyType.b2_staticBody);var _=n.IsAwake()&&x!==box2d.b2BodyType.b2_staticBody,m=l.IsAwake()&&y!==box2d.b2BodyType.b2_staticBody;if(!_&&!m)continue;if(x=n.IsBullet()||x!==box2d.b2BodyType.b2_dynamicBody,y=l.IsBullet()||y!==box2d.b2BodyType.b2_dynamicBody,!x&&!y)continue;y=n.m_sweep.alpha0,n.m_sweep.alpha0<l.m_sweep.alpha0?(y=l.m_sweep.alpha0,n.m_sweep.Advance(y)):l.m_sweep.alpha0<n.m_sweep.alpha0&&(y=n.m_sweep.alpha0,l.m_sweep.Advance(y)),box2d.ENABLE_ASSERTS&&box2d.b2Assert(1>y),_=r.GetChildIndexA(),m=r.GetChildIndexB(),(x=box2d.b2World.prototype.SolveTOI.s_toi_input).proxyA.SetShape(p.GetShape(),_),x.proxyB.SetShape(s.GetShape(),m),x.sweepA.Copy(n.m_sweep),x.sweepB.Copy(l.m_sweep),x.tMax=1,n=box2d.b2World.prototype.SolveTOI.s_toi_output,box2d.b2TimeOfImpact(n,x),l=n.t,n=n.state===box2d.b2TOIOutputState.e_touching?box2d.b2Min(y+(1-y)*l,1):1,r.m_toi=n,r.m_flag_toiFlag=!0}n<e&&(i=r,e=n)}if(null===i||1-10*box2d.b2_epsilon<e){this.m_stepComplete=!0;break}if(p=i.GetFixtureA(),s=i.GetFixtureB(),n=p.GetBody(),l=s.GetBody(),r=box2d.b2World.prototype.SolveTOI.s_backup1.Copy(n.m_sweep),p=box2d.b2World.prototype.SolveTOI.s_backup2.Copy(l.m_sweep),n.Advance(e),l.Advance(e),i.Update(this.m_contactManager.m_contactListener),i.m_flag_toiFlag=!1,++i.m_toiCount,i.IsEnabled()&&i.IsTouching()){for(n.SetAwake(!0),l.SetAwake(!0),t.Clear(),t.AddBody(n),t.AddBody(l),t.AddContact(i),n.m_flag_islandFlag=!0,l.m_flag_islandFlag=!0,i.m_flag_islandFlag=!0,i=0;2>i;++i)if((r=0===i?n:l).m_type===box2d.b2BodyType.b2_dynamicBody)for(p=r.m_contactList;p&&t.m_bodyCount!==t.m_bodyCapacity&&t.m_contactCount!==t.m_contactCapacity;p=p.next)!(s=p.contact).m_flag_islandFlag&&((y=p.other).m_type!==box2d.b2BodyType.b2_dynamicBody||r.IsBullet()||y.IsBullet())&&(x=s.m_fixtureB.m_isSensor,s.m_fixtureA.m_isSensor||x||(x=box2d.b2World.prototype.SolveTOI.s_backup.Copy(y.m_sweep),y.m_flag_islandFlag||y.Advance(e),s.Update(this.m_contactManager.m_contactListener),s.IsEnabled()&&s.IsTouching()?(s.m_flag_islandFlag=!0,t.AddContact(s),y.m_flag_islandFlag||(y.m_flag_islandFlag=!0,y.m_type!==box2d.b2BodyType.b2_staticBody&&y.SetAwake(!0),t.AddBody(y))):(y.m_sweep.Copy(x),y.SynchronizeTransform())));for((i=box2d.b2World.prototype.SolveTOI.s_subStep).dt=(1-e)*o.dt,i.inv_dt=1/i.dt,i.dtRatio=1,i.positionIterations=20,i.velocityIterations=o.velocityIterations,i.particleIterations=o.particleIterations,i.warmStarting=!1,t.SolveTOI(i,n.m_islandIndex,l.m_islandIndex),i=0;i<t.m_bodyCount;++i)if((r=t.m_bodies[i]).m_flag_islandFlag=!1,r.m_type===box2d.b2BodyType.b2_dynamicBody)for(r.SynchronizeFixtures(),p=r.m_contactList;p;p=p.next)p.contact.m_flag_toiFlag=p.contact.m_flag_islandFlag=!1;if(this.m_contactManager.FindNewContacts(),this.m_subStepping){this.m_stepComplete=!1;break}}else i.SetEnabled(!1),n.m_sweep.Copy(r),l.m_sweep.Copy(p),n.SynchronizeTransform(),l.SynchronizeTransform()}},goog.exportProperty(box2d.b2World.prototype,"SolveTOI",box2d.b2World.prototype.SolveTOI),box2d.b2World.prototype.SolveTOI.s_subStep=new box2d.b2TimeStep,box2d.b2World.prototype.SolveTOI.s_backup=new box2d.b2Sweep,box2d.b2World.prototype.SolveTOI.s_backup1=new box2d.b2Sweep,box2d.b2World.prototype.SolveTOI.s_backup2=new box2d.b2Sweep,box2d.b2World.prototype.SolveTOI.s_toi_input=new box2d.b2TOIInput,box2d.b2World.prototype.SolveTOI.s_toi_output=new box2d.b2TOIOutput,box2d.b2World.prototype.Step=function(o,t,e,r){r=r||this.CalculateReasonableParticleIterations(o);var i=new box2d.b2Timer;this.m_flag_newFixture&&(this.m_contactManager.FindNewContacts(),this.m_flag_newFixture=!1),this.m_flag_locked=!0;var n=box2d.b2World.prototype.Step.s_step;if(n.dt=o,n.velocityIterations=t,n.positionIterations=e,n.particleIterations=r,n.inv_dt=0<o?1/o:0,n.dtRatio=this.m_inv_dt0*o,n.warmStarting=this.m_warmStarting,o=new box2d.b2Timer,this.m_contactManager.Collide(),this.m_profile.collide=o.GetMilliseconds(),this.m_stepComplete&&0<n.dt){for(o=new box2d.b2Timer,t=this.m_particleSystemList;t;t=t.m_next)t.Solve(n);this.Solve(n),this.m_profile.solve=o.GetMilliseconds()}this.m_continuousPhysics&&0<n.dt&&(o=new box2d.b2Timer,this.SolveTOI(n),this.m_profile.solveTOI=o.GetMilliseconds()),0<n.dt&&(this.m_inv_dt0=n.inv_dt),this.m_flag_clearForces&&this.ClearForces(),this.m_flag_locked=!1,this.m_profile.step=i.GetMilliseconds()},goog.exportProperty(box2d.b2World.prototype,"Step",box2d.b2World.prototype.Step),box2d.b2World.prototype.Step.s_step=new box2d.b2TimeStep,box2d.b2World.prototype.ClearForces=function(){for(var o=this.m_bodyList;o;o=o.m_next)o.m_force.SetZero(),o.m_torque=0},goog.exportProperty(box2d.b2World.prototype,"ClearForces",box2d.b2World.prototype.ClearForces),box2d.b2World.prototype.QueryAABB=function(o,t){var e=this.m_contactManager.m_broadPhase;if(e.Query((function(t){return t=e.GetUserData(t),box2d.ENABLE_ASSERTS&&box2d.b2Assert(t instanceof box2d.b2FixtureProxy),t=t.fixture,o instanceof box2d.b2QueryCallback?o.ReportFixture(t):o(t)}),t),o instanceof box2d.b2QueryCallback)for(var r=this.m_particleSystemList;r;r=r.m_next)o.ShouldQueryParticleSystem(r)&&r.QueryAABB(o,t)},goog.exportProperty(box2d.b2World.prototype,"QueryAABB",box2d.b2World.prototype.QueryAABB),box2d.b2World.prototype.QueryShape=function(o,t,e,r){var i=this.m_contactManager.m_broadPhase,n=box2d.b2World.prototype.QueryShape.s_aabb;if(t.ComputeAABB(n,e,r||0),i.Query((function(r){return r=i.GetUserData(r),box2d.ENABLE_ASSERTS&&box2d.b2Assert(r instanceof box2d.b2FixtureProxy),r=r.fixture,!box2d.b2TestOverlap_Shape(t,0,r.GetShape(),0,e,r.GetBody().GetTransform())||(o instanceof box2d.b2QueryCallback?o.ReportFixture(r):o(r))}),n),o instanceof box2d.b2QueryCallback)for(r=this.m_particleSystemList;r;r=r.m_next)o.ShouldQueryParticleSystem(r)&&r.QueryAABB(o,n)},goog.exportProperty(box2d.b2World.prototype,"QueryShape",box2d.b2World.prototype.QueryShape),box2d.b2World.prototype.QueryShape.s_aabb=new box2d.b2AABB,box2d.b2World.prototype.QueryPoint=function(o,t,e){var r=this.m_contactManager.m_broadPhase;e="number"==typeof e?e:box2d.b2_linearSlop;var i=box2d.b2World.prototype.QueryPoint.s_aabb;if(i.lowerBound.Set(t.x-e,t.y-e),i.upperBound.Set(t.x+e,t.y+e),r.Query((function(e){return e=r.GetUserData(e),box2d.ENABLE_ASSERTS&&box2d.b2Assert(e instanceof box2d.b2FixtureProxy),!(e=e.fixture).TestPoint(t)||(o instanceof box2d.b2QueryCallback?o.ReportFixture(e):o(e))}),i),o instanceof box2d.b2QueryCallback)for(e=this.m_particleSystemList;e;e=e.m_next)o.ShouldQueryParticleSystem(e)&&e.QueryAABB(o,i)},goog.exportProperty(box2d.b2World.prototype,"QueryPoint",box2d.b2World.prototype.QueryPoint),box2d.b2World.prototype.QueryPoint.s_aabb=new box2d.b2AABB,box2d.b2World.prototype.RayCast=function(o,t,e){var r=this.m_contactManager.m_broadPhase,i=box2d.b2World.prototype.RayCast.s_input;if(i.maxFraction=1,i.p1.Copy(t),i.p2.Copy(e),r.RayCast((function(i,n){var p=r.GetUserData(n);box2d.ENABLE_ASSERTS&&box2d.b2Assert(p instanceof box2d.b2FixtureProxy);var s=p.fixture,l=box2d.b2World.prototype.RayCast.s_output;if(s.RayCast(l,i,p.childIndex)){p=l.fraction;var x=box2d.b2World.prototype.RayCast.s_point;return x.Set((1-p)*t.x+p*e.x,(1-p)*t.y+p*e.y),o instanceof box2d.b2RayCastCallback?o.ReportFixture(s,x,l.normal,p):o(s,x,l.normal,p)}return i.maxFraction}),i),o instanceof box2d.b2RayCastCallback)for(i=this.m_particleSystemList;i;i=i.m_next)o.ShouldQueryParticleSystem(i)&&i.RayCast(o,t,e)},goog.exportProperty(box2d.b2World.prototype,"RayCast",box2d.b2World.prototype.RayCast),box2d.b2World.prototype.RayCast.s_input=new box2d.b2RayCastInput,box2d.b2World.prototype.RayCast.s_output=new box2d.b2RayCastOutput,box2d.b2World.prototype.RayCast.s_point=new box2d.b2Vec2,box2d.b2World.prototype.RayCastOne=function(o,t){var e=null,r=1;return this.RayCast((function(o,t,i,n){return n<r&&(r=n,e=o),r}),o,t),e},goog.exportProperty(box2d.b2World.prototype,"RayCastOne",box2d.b2World.prototype.RayCastOne),box2d.b2World.prototype.RayCastAll=function(o,t,e){return e.length=0,this.RayCast((function(o,t,r,i){return e.push(o),1}),o,t),e},goog.exportProperty(box2d.b2World.prototype,"RayCastAll",box2d.b2World.prototype.RayCastAll),box2d.b2World.prototype.DrawShape=function(o,t){switch((e=o.GetShape()).m_type){case box2d.b2ShapeType.e_circleShape:e=e instanceof box2d.b2CircleShape?e:null,this.m_debugDraw.DrawSolidCircle(e.m_p,e.m_radius,box2d.b2Vec2.UNITX,t);break;case box2d.b2ShapeType.e_edgeShape:var e=(i=e instanceof box2d.b2EdgeShape?e:null).m_vertex1,r=i.m_vertex2;this.m_debugDraw.DrawSegment(e,r,t);break;case box2d.b2ShapeType.e_chainShape:var i=(e=e instanceof box2d.b2ChainShape?e:null).m_count,n=e.m_vertices;e=n[0];this.m_debugDraw.DrawCircle(e,.05,t);for(var p=1;p<i;++p)r=n[p],this.m_debugDraw.DrawSegment(e,r,t),this.m_debugDraw.DrawCircle(r,.05,t),e=r;break;case box2d.b2ShapeType.e_polygonShape:e=(i=e instanceof box2d.b2PolygonShape?e:null).m_count,n=i.m_vertices,this.m_debugDraw.DrawSolidPolygon(n,e,t)}},goog.exportProperty(box2d.b2World.prototype,"DrawShape",box2d.b2World.prototype.DrawShape),box2d.b2World.prototype.DrawJoint=function(o){var t=o.GetBodyA(),e=o.GetBodyB(),r=t.m_xf.p,i=e.m_xf.p,n=(e=o.GetAnchorA(box2d.b2World.prototype.DrawJoint.s_p1),t=o.GetAnchorB(box2d.b2World.prototype.DrawJoint.s_p2),box2d.b2World.prototype.DrawJoint.s_color.SetRGB(.5,.8,.8));switch(o.m_type){case box2d.b2JointType.e_distanceJoint:this.m_debugDraw.DrawSegment(e,t,n);break;case box2d.b2JointType.e_pulleyJoint:o=(r=o instanceof box2d.b2PulleyJoint?o:null).GetGroundAnchorA(box2d.b2World.prototype.DrawJoint.s_s1),r=r.GetGroundAnchorB(box2d.b2World.prototype.DrawJoint.s_s2),this.m_debugDraw.DrawSegment(o,e,n),this.m_debugDraw.DrawSegment(r,t,n),this.m_debugDraw.DrawSegment(o,r,n);break;case box2d.b2JointType.e_mouseJoint:this.m_debugDraw.DrawSegment(e,t,n);break;default:this.m_debugDraw.DrawSegment(r,e,n),this.m_debugDraw.DrawSegment(e,t,n),this.m_debugDraw.DrawSegment(i,t,n)}},goog.exportProperty(box2d.b2World.prototype,"DrawJoint",box2d.b2World.prototype.DrawJoint),box2d.b2World.prototype.DrawJoint.s_p1=new box2d.b2Vec2,box2d.b2World.prototype.DrawJoint.s_p2=new box2d.b2Vec2,box2d.b2World.prototype.DrawJoint.s_color=new box2d.b2Color(.5,.8,.8),box2d.b2World.prototype.DrawJoint.s_s1=new box2d.b2Vec2,box2d.b2World.prototype.DrawJoint.s_s2=new box2d.b2Vec2,box2d.b2World.prototype.DrawParticleSystem=function(o){var t=o.GetParticleCount();if(t){var e=o.GetRadius(),r=o.GetPositionBuffer();o.m_colorBuffer.data?(o=o.GetColorBuffer(),this.m_debugDraw.DrawParticles(r,e,o,t)):this.m_debugDraw.DrawParticles(r,e,null,t)}},goog.exportProperty(box2d.b2World.prototype,"DrawParticleSystem",box2d.b2World.prototype.DrawParticleSystem),box2d.b2World.prototype.DrawDebugData=function(){if(null!==this.m_debugDraw){var o=this.m_debugDraw.GetFlags(),t=box2d.b2World.prototype.DrawDebugData.s_color.SetRGB(0,0,0);if(o&box2d.b2DrawFlags.e_shapeBit)for(var e=this.m_bodyList;e;e=e.m_next){var r=e.m_xf;this.m_debugDraw.PushTransform(r);for(var i=e.GetFixtureList();i;i=i.m_next)e.IsActive()?e.GetType()===box2d.b2BodyType.b2_staticBody?t.SetRGB(.5,.9,.5):e.GetType()===box2d.b2BodyType.b2_kinematicBody?t.SetRGB(.5,.5,.9):e.IsAwake()?t.SetRGB(.9,.7,.7):t.SetRGB(.6,.6,.6):t.SetRGB(.5,.5,.3),this.DrawShape(i,t);this.m_debugDraw.PopTransform(r)}if(o&box2d.b2DrawFlags.e_particleBit)for(e=this.m_particleSystemList;e;e=e.m_next)this.DrawParticleSystem(e);if(o&box2d.b2DrawFlags.e_jointBit)for(e=this.m_jointList;e;e=e.m_next)this.DrawJoint(e);if(o&box2d.b2DrawFlags.e_aabbBit){t.SetRGB(.9,.3,.9);r=this.m_contactManager.m_broadPhase;var n=box2d.b2World.prototype.DrawDebugData.s_vs;for(e=this.m_bodyList;e;e=e.m_next)if(e.IsActive())for(i=e.GetFixtureList();i;i=i.m_next)for(var p=0;p<i.m_proxyCount;++p){var s=r.GetFatAABB(i.m_proxies[p].proxy);n[0].Set(s.lowerBound.x,s.lowerBound.y),n[1].Set(s.upperBound.x,s.lowerBound.y),n[2].Set(s.upperBound.x,s.upperBound.y),n[3].Set(s.lowerBound.x,s.upperBound.y),this.m_debugDraw.DrawPolygon(n,4,t)}}if(o&box2d.b2DrawFlags.e_centerOfMassBit)for(e=this.m_bodyList;e;e=e.m_next)(r=box2d.b2World.prototype.DrawDebugData.s_xf).q.Copy(e.m_xf.q),r.p.Copy(e.GetWorldCenter()),this.m_debugDraw.DrawTransform(r);if(o&box2d.b2DrawFlags.e_controllerBit)for(o=this.m_controllerList;o;o=o.m_next)o.Draw(this.m_debugDraw)}},goog.exportProperty(box2d.b2World.prototype,"DrawDebugData",box2d.b2World.prototype.DrawDebugData),box2d.b2World.prototype.DrawDebugData.s_color=new box2d.b2Color(0,0,0),box2d.b2World.prototype.DrawDebugData.s_vs=box2d.b2Vec2.MakeArray(4),box2d.b2World.prototype.DrawDebugData.s_xf=new box2d.b2Transform,box2d.b2World.prototype.SetBroadPhase=function(o){var t=this.m_contactManager.m_broadPhase;this.m_contactManager.m_broadPhase=o;for(var e=this.m_bodyList;e;e=e.m_next)for(var r=e.m_fixtureList;r;r=r.m_next)r.m_proxy=o.CreateProxy(t.GetFatAABB(r.m_proxy),r)},goog.exportProperty(box2d.b2World.prototype,"SetBroadPhase",box2d.b2World.prototype.SetBroadPhase),box2d.b2World.prototype.CalculateReasonableParticleIterations=function(o){return null===this.m_particleSystemList?1:box2d.b2CalculateParticleIterations(this.m_gravity.Length(),function(o){var t=box2d.b2_maxFloat;for(o=o.GetParticleSystemList();null!==o;o=o.m_next)t=box2d.b2Min(t,o.GetRadius());return t}(this),o)},goog.exportProperty(box2d.b2World.prototype,"CalculateReasonableParticleIterations",box2d.b2World.prototype.CalculateReasonableParticleIterations),box2d.b2World.prototype.GetProxyCount=function(){return this.m_contactManager.m_broadPhase.GetProxyCount()},goog.exportProperty(box2d.b2World.prototype,"GetProxyCount",box2d.b2World.prototype.GetProxyCount),box2d.b2World.prototype.GetTreeHeight=function(){return this.m_contactManager.m_broadPhase.GetTreeHeight()},goog.exportProperty(box2d.b2World.prototype,"GetTreeHeight",box2d.b2World.prototype.GetTreeHeight),box2d.b2World.prototype.GetTreeBalance=function(){return this.m_contactManager.m_broadPhase.GetTreeBalance()},goog.exportProperty(box2d.b2World.prototype,"GetTreeBalance",box2d.b2World.prototype.GetTreeBalance),box2d.b2World.prototype.GetTreeQuality=function(){return this.m_contactManager.m_broadPhase.GetTreeQuality()},goog.exportProperty(box2d.b2World.prototype,"GetTreeQuality",box2d.b2World.prototype.GetTreeQuality),box2d.b2World.prototype.ShiftOrigin=function(o){if(box2d.ENABLE_ASSERTS&&box2d.b2Assert(!this.IsLocked()),!this.IsLocked()){for(var t=this.m_bodyList;t;t=t.m_next)t.m_xf.p.SelfSub(o),t.m_sweep.c0.SelfSub(o),t.m_sweep.c.SelfSub(o);for(t=this.m_jointList;t;t=t.m_next)t.ShiftOrigin(o);this.m_contactManager.m_broadPhase.ShiftOrigin(o)}},goog.exportProperty(box2d.b2World.prototype,"ShiftOrigin",box2d.b2World.prototype.ShiftOrigin),box2d.b2World.prototype.Dump=function(){if(box2d.DEBUG&&!this.m_flag_locked){box2d.b2Log("/** @type {box2d.b2Vec2} */ var g = new box2d.b2Vec2(%.15f, %.15f);\n",this.m_gravity.x,this.m_gravity.y),box2d.b2Log("this.m_world.SetGravity(g);\n"),box2d.b2Log("/** @type {Array.<box2d.b2Body>} */ var bodies = new Array(%d);\n",this.m_bodyCount),box2d.b2Log("/** @type {Array.<box2d.b2Joint>} */ var joints = new Array(%d);\n",this.m_jointCount);for(var o=0,t=this.m_bodyList;t;t=t.m_next)t.m_islandIndex=o,t.Dump(),++o;for(o=0,t=this.m_jointList;t;t=t.m_next)t.m_index=o,++o;for(t=this.m_jointList;t;t=t.m_next)t.m_type!==box2d.b2JointType.e_gearJoint&&(box2d.b2Log("{\n"),t.Dump(),box2d.b2Log("}\n"));for(t=this.m_jointList;t;t=t.m_next)t.m_type===box2d.b2JointType.e_gearJoint&&(box2d.b2Log("{\n"),t.Dump(),box2d.b2Log("}\n"))}},goog.exportProperty(box2d.b2World.prototype,"Dump",box2d.b2World.prototype.Dump),box2d.b2World.prototype.AddController=function(o){return box2d.ENABLE_ASSERTS&&box2d.b2Assert(null===o.m_world,"Controller can only be a member of one world"),o.m_world=this,o.m_next=this.m_controllerList,o.m_prev=null,this.m_controllerList&&(this.m_controllerList.m_prev=o),this.m_controllerList=o,++this.m_controllerCount,o},goog.exportProperty(box2d.b2World.prototype,"AddController",box2d.b2World.prototype.AddController),box2d.b2World.prototype.RemoveController=function(o){box2d.ENABLE_ASSERTS&&box2d.b2Assert(o.m_world===this,"Controller is not a member of this world"),o.m_prev&&(o.m_prev.m_next=o.m_next),o.m_next&&(o.m_next.m_prev=o.m_prev),this.m_controllerList===o&&(this.m_controllerList=o.m_next),--this.m_controllerCount,o.m_prev=null,o.m_next=null,o.m_world=null},goog.exportProperty(box2d.b2World.prototype,"RemoveController",box2d.b2World.prototype.RemoveController),box2d.b2MotorJointDef=function(){box2d.b2JointDef.call(this,box2d.b2JointType.e_motorJoint),this.linearOffset=new box2d.b2Vec2(0,0)},goog.inherits(box2d.b2MotorJointDef,box2d.b2JointDef),goog.exportSymbol("box2d.b2MotorJointDef",box2d.b2MotorJointDef),box2d.b2MotorJointDef.prototype.linearOffset=null,goog.exportProperty(box2d.b2MotorJointDef.prototype,"linearOffset",box2d.b2MotorJointDef.prototype.linearOffset),box2d.b2MotorJointDef.prototype.angularOffset=0,goog.exportProperty(box2d.b2MotorJointDef.prototype,"angularOffset",box2d.b2MotorJointDef.prototype.angularOffset),box2d.b2MotorJointDef.prototype.maxForce=1,goog.exportProperty(box2d.b2MotorJointDef.prototype,"maxForce",box2d.b2MotorJointDef.prototype.maxForce),box2d.b2MotorJointDef.prototype.maxTorque=1,goog.exportProperty(box2d.b2MotorJointDef.prototype,"maxTorque",box2d.b2MotorJointDef.prototype.maxTorque),box2d.b2MotorJointDef.prototype.correctionFactor=.3,goog.exportProperty(box2d.b2MotorJointDef.prototype,"correctionFactor",box2d.b2MotorJointDef.prototype.correctionFactor),box2d.b2MotorJointDef.prototype.Initialize=function(o,t){this.bodyA=o,this.bodyB=t,this.bodyA.GetLocalPoint(this.bodyB.GetPosition(),this.linearOffset);var e=this.bodyA.GetAngle();this.angularOffset=this.bodyB.GetAngle()-e},goog.exportProperty(box2d.b2MotorJointDef.prototype,"Initialize",box2d.b2MotorJointDef.prototype.Initialize),box2d.b2MotorJoint=function(o){box2d.b2Joint.call(this,o),this.m_linearOffset=o.linearOffset.Clone(),this.m_linearImpulse=new box2d.b2Vec2(0,0),this.m_maxForce=o.maxForce,this.m_maxTorque=o.maxTorque,this.m_correctionFactor=o.correctionFactor,this.m_rA=new box2d.b2Vec2(0,0),this.m_rB=new box2d.b2Vec2(0,0),this.m_localCenterA=new box2d.b2Vec2(0,0),this.m_localCenterB=new box2d.b2Vec2(0,0),this.m_linearError=new box2d.b2Vec2(0,0),this.m_linearMass=new box2d.b2Mat22,this.m_qA=new box2d.b2Rot,this.m_qB=new box2d.b2Rot,this.m_K=new box2d.b2Mat22},goog.inherits(box2d.b2MotorJoint,box2d.b2Joint),goog.exportSymbol("box2d.b2MotorJoint",box2d.b2MotorJoint),box2d.b2MotorJoint.prototype.m_linearOffset=null,goog.exportProperty(box2d.b2MotorJoint.prototype,"m_linearOffset",box2d.b2MotorJoint.prototype.m_linearOffset),box2d.b2MotorJoint.prototype.m_angularOffset=0,goog.exportProperty(box2d.b2MotorJoint.prototype,"m_angularOffset",box2d.b2MotorJoint.prototype.m_angularOffset),box2d.b2MotorJoint.prototype.m_linearImpulse=null,goog.exportProperty(box2d.b2MotorJoint.prototype,"m_linearImpulse",box2d.b2MotorJoint.prototype.m_linearImpulse),box2d.b2MotorJoint.prototype.m_angularImpulse=0,goog.exportProperty(box2d.b2MotorJoint.prototype,"m_angularImpulse",box2d.b2MotorJoint.prototype.m_angularImpulse),box2d.b2MotorJoint.prototype.m_maxForce=0,goog.exportProperty(box2d.b2MotorJoint.prototype,"m_maxForce",box2d.b2MotorJoint.prototype.m_maxForce),box2d.b2MotorJoint.prototype.m_maxTorque=0,goog.exportProperty(box2d.b2MotorJoint.prototype,"m_maxTorque",box2d.b2MotorJoint.prototype.m_maxTorque),box2d.b2MotorJoint.prototype.m_correctionFactor=.3,goog.exportProperty(box2d.b2MotorJoint.prototype,"m_correctionFactor",box2d.b2MotorJoint.prototype.m_correctionFactor),box2d.b2MotorJoint.prototype.m_indexA=0,goog.exportProperty(box2d.b2MotorJoint.prototype,"m_indexA",box2d.b2MotorJoint.prototype.m_indexA),box2d.b2MotorJoint.prototype.m_indexB=0,goog.exportProperty(box2d.b2MotorJoint.prototype,"m_indexB",box2d.b2MotorJoint.prototype.m_indexB),box2d.b2MotorJoint.prototype.m_rA=null,goog.exportProperty(box2d.b2MotorJoint.prototype,"m_rA",box2d.b2MotorJoint.prototype.m_rA),box2d.b2MotorJoint.prototype.m_rB=null,goog.exportProperty(box2d.b2MotorJoint.prototype,"m_rB",box2d.b2MotorJoint.prototype.m_rB),box2d.b2MotorJoint.prototype.m_localCenterA=null,goog.exportProperty(box2d.b2MotorJoint.prototype,"m_localCenterA",box2d.b2MotorJoint.prototype.m_localCenterA),box2d.b2MotorJoint.prototype.m_localCenterB=null,goog.exportProperty(box2d.b2MotorJoint.prototype,"m_localCenterB",box2d.b2MotorJoint.prototype.m_localCenterB),box2d.b2MotorJoint.prototype.m_linearError=null,goog.exportProperty(box2d.b2MotorJoint.prototype,"m_linearError",box2d.b2MotorJoint.prototype.m_linearError),box2d.b2MotorJoint.prototype.m_angularError=0,goog.exportProperty(box2d.b2MotorJoint.prototype,"m_angularError",box2d.b2MotorJoint.prototype.m_angularError),box2d.b2MotorJoint.prototype.m_invMassA=0,goog.exportProperty(box2d.b2MotorJoint.prototype,"m_invMassA",box2d.b2MotorJoint.prototype.m_invMassA),box2d.b2MotorJoint.prototype.m_invMassB=0,goog.exportProperty(box2d.b2MotorJoint.prototype,"m_invMassB",box2d.b2MotorJoint.prototype.m_invMassB),box2d.b2MotorJoint.prototype.m_invIA=0,goog.exportProperty(box2d.b2MotorJoint.prototype,"m_invIA",box2d.b2MotorJoint.prototype.m_invIA),box2d.b2MotorJoint.prototype.m_invIB=0,goog.exportProperty(box2d.b2MotorJoint.prototype,"m_invIB",box2d.b2MotorJoint.prototype.m_invIB),box2d.b2MotorJoint.prototype.m_linearMass=null,goog.exportProperty(box2d.b2MotorJoint.prototype,"m_linearMass",box2d.b2MotorJoint.prototype.m_linearMass),box2d.b2MotorJoint.prototype.m_angularMass=0,goog.exportProperty(box2d.b2MotorJoint.prototype,"m_angularMass",box2d.b2MotorJoint.prototype.m_angularMass),box2d.b2MotorJoint.prototype.m_qA=null,goog.exportProperty(box2d.b2MotorJoint.prototype,"m_qA",box2d.b2MotorJoint.prototype.m_qA),box2d.b2MotorJoint.prototype.m_qB=null,goog.exportProperty(box2d.b2MotorJoint.prototype,"m_qB",box2d.b2MotorJoint.prototype.m_qB),box2d.b2MotorJoint.prototype.m_K=null,goog.exportProperty(box2d.b2MotorJoint.prototype,"m_K",box2d.b2MotorJoint.prototype.m_K),box2d.b2MotorJoint.prototype.GetAnchorA=function(o){return this.m_bodyA.GetPosition(o)},goog.exportProperty(box2d.b2MotorJoint.prototype,"GetAnchorA",box2d.b2MotorJoint.prototype.GetAnchorA),box2d.b2MotorJoint.prototype.GetAnchorB=function(o){return this.m_bodyB.GetPosition(o)},goog.exportProperty(box2d.b2MotorJoint.prototype,"GetAnchorB",box2d.b2MotorJoint.prototype.GetAnchorB),box2d.b2MotorJoint.prototype.GetReactionForce=function(o,t){return box2d.b2Mul_S_V2(o,this.m_linearImpulse,t)},goog.exportProperty(box2d.b2MotorJoint.prototype,"GetReactionForce",box2d.b2MotorJoint.prototype.GetReactionForce),box2d.b2MotorJoint.prototype.GetReactionTorque=function(o){return o*this.m_angularImpulse},goog.exportProperty(box2d.b2MotorJoint.prototype,"GetReactionTorque",box2d.b2MotorJoint.prototype.GetReactionTorque),box2d.b2MotorJoint.prototype.SetCorrectionFactor=function(o){box2d.ENABLE_ASSERTS&&box2d.b2Assert(box2d.b2IsValid(o)&&0<=o&&1>=o),this._correctionFactor=o},box2d.b2MotorJoint.prototype.GetCorrectionFactor=function(){return this.m_correctionFactor},box2d.b2MotorJoint.prototype.SetLinearOffset=function(o){o.x==this.m_linearOffset.x&&o.y==this.m_linearOffset.y||(this.m_bodyA.SetAwake(!0),this.m_bodyB.SetAwake(!0),this.m_linearOffset.Copy(o))},goog.exportProperty(box2d.b2MotorJoint.prototype,"SetLinearOffset",box2d.b2MotorJoint.prototype.SetLinearOffset),box2d.b2MotorJoint.prototype.GetLinearOffset=function(o){return o.Copy(this.m_linearOffset)},goog.exportProperty(box2d.b2MotorJoint.prototype,"GetLinearOffset",box2d.b2MotorJoint.prototype.GetLinearOffset),box2d.b2MotorJoint.prototype.SetAngularOffset=function(o){o!==this.m_angularOffset&&(this.m_bodyA.SetAwake(!0),this.m_bodyB.SetAwake(!0),this.m_angularOffset=o)},goog.exportProperty(box2d.b2MotorJoint.prototype,"SetAngularOffset",box2d.b2MotorJoint.prototype.SetAngularOffset),box2d.b2MotorJoint.prototype.GetAngularOffset=function(){return this.m_angularOffset},goog.exportProperty(box2d.b2MotorJoint.prototype,"GetAngularOffset",box2d.b2MotorJoint.prototype.GetAngularOffset),box2d.b2MotorJoint.prototype.SetMaxForce=function(o){box2d.ENABLE_ASSERTS&&box2d.b2Assert(box2d.b2IsValid(o)&&0<=o),this.m_maxForce=o},goog.exportProperty(box2d.b2MotorJoint.prototype,"SetMaxForce",box2d.b2MotorJoint.prototype.SetMaxForce),box2d.b2MotorJoint.prototype.GetMaxForce=function(){return this.m_maxForce},goog.exportProperty(box2d.b2MotorJoint.prototype,"GetMaxForce",box2d.b2MotorJoint.prototype.GetMaxForce),box2d.b2MotorJoint.prototype.SetMaxTorque=function(o){box2d.ENABLE_ASSERTS&&box2d.b2Assert(box2d.b2IsValid(o)&&0<=o),this.m_maxTorque=o},goog.exportProperty(box2d.b2MotorJoint.prototype,"SetMaxTorque",box2d.b2MotorJoint.prototype.SetMaxTorque),box2d.b2MotorJoint.prototype.GetMaxTorque=function(){return this.m_maxTorque},goog.exportProperty(box2d.b2MotorJoint.prototype,"GetMaxTorque",box2d.b2MotorJoint.prototype.GetMaxTorque),box2d.b2MotorJoint.prototype.InitVelocityConstraints=function(o){this.m_indexA=this.m_bodyA.m_islandIndex,this.m_indexB=this.m_bodyB.m_islandIndex,this.m_localCenterA.Copy(this.m_bodyA.m_sweep.localCenter),this.m_localCenterB.Copy(this.m_bodyB.m_sweep.localCenter),this.m_invMassA=this.m_bodyA.m_invMass,this.m_invMassB=this.m_bodyB.m_invMass,this.m_invIA=this.m_bodyA.m_invI,this.m_invIB=this.m_bodyB.m_invI;var t=o.positions[this.m_indexA].c,e=o.positions[this.m_indexA].a,r=o.velocities[this.m_indexA].v,i=o.velocities[this.m_indexA].w,n=o.positions[this.m_indexB].c,p=o.positions[this.m_indexB].a,s=o.velocities[this.m_indexB].v,l=o.velocities[this.m_indexB].w,x=this.m_qA.SetAngle(e),y=this.m_qB.SetAngle(p),_=box2d.b2Mul_R_V2(x,box2d.b2Vec2.s_t0.Copy(this.m_localCenterA).SelfNeg(),this.m_rA),m=(y=box2d.b2Mul_R_V2(y,box2d.b2Vec2.s_t0.Copy(this.m_localCenterB).SelfNeg(),this.m_rB),this.m_invMassA),u=this.m_invMassB,h=this.m_invIA,g=this.m_invIB,S=this.m_K;S.ex.x=m+u+h*_.y*_.y+g*y.y*y.y,S.ex.y=-h*_.x*_.y-g*y.x*y.y,S.ey.x=S.ex.y,S.ey.y=m+u+h*_.x*_.x+g*y.x*y.x,S.GetInverse(this.m_linearMass),this.m_angularMass=h+g,0<this.m_angularMass&&(this.m_angularMass=1/this.m_angularMass),box2d.b2Sub_V2_V2(box2d.b2Sub_V2_V2(box2d.b2Add_V2_V2(n,y,box2d.b2Vec2.s_t0),box2d.b2Add_V2_V2(t,_,box2d.b2Vec2.s_t1),box2d.b2Vec2.s_t2),box2d.b2Mul_R_V2(x,this.m_linearOffset,box2d.b2Vec2.s_t3),this.m_linearError),this.m_angularError=p-e-this.m_angularOffset,o.step.warmStarting?(this.m_linearImpulse.SelfMul(o.step.dtRatio),this.m_angularImpulse*=o.step.dtRatio,t=this.m_linearImpulse,r.SelfMulSub(m,t),i-=h*(box2d.b2Cross_V2_V2(_,t)+this.m_angularImpulse),s.SelfMulAdd(u,t),l+=g*(box2d.b2Cross_V2_V2(y,t)+this.m_angularImpulse)):(this.m_linearImpulse.SetZero(),this.m_angularImpulse=0),o.velocities[this.m_indexA].w=i,o.velocities[this.m_indexB].w=l},goog.exportProperty(box2d.b2MotorJoint.prototype,"InitVelocityConstraints",box2d.b2MotorJoint.prototype.InitVelocityConstraints),box2d.b2MotorJoint.prototype.SolveVelocityConstraints=function(o){var t=o.velocities[this.m_indexA].v,e=o.velocities[this.m_indexA].w,r=o.velocities[this.m_indexB].v,i=o.velocities[this.m_indexB].w,n=this.m_invMassA,p=this.m_invMassB,s=this.m_invIA,l=this.m_invIB,x=o.step.dt,y=o.step.inv_dt,_=i-e+y*this.m_correctionFactor*this.m_angularError,m=(_=-this.m_angularMass*_,this.m_angularImpulse),u=x*this.m_maxTorque;this.m_angularImpulse=box2d.b2Clamp(this.m_angularImpulse+_,-u,u);e-=s*(_=this.m_angularImpulse-m),i+=l*_;var h=this.m_rA,g=this.m_rB;_=box2d.b2Add_V2_V2(box2d.b2Sub_V2_V2(box2d.b2Add_V2_V2(r,box2d.b2Cross_S_V2(i,g,box2d.b2Vec2.s_t0),box2d.b2Vec2.s_t0),box2d.b2Add_V2_V2(t,box2d.b2Cross_S_V2(e,h,box2d.b2Vec2.s_t1),box2d.b2Vec2.s_t1),box2d.b2Vec2.s_t2),box2d.b2Mul_S_V2(y*this.m_correctionFactor,this.m_linearError,box2d.b2Vec2.s_t3),box2d.b2MotorJoint.prototype.SolveVelocityConstraints.s_Cdot),_=box2d.b2Mul_M22_V2(this.m_linearMass,_,box2d.b2MotorJoint.prototype.SolveVelocityConstraints.s_impulse).SelfNeg(),m=box2d.b2MotorJoint.prototype.SolveVelocityConstraints.s_oldImpulse.Copy(this.m_linearImpulse);this.m_linearImpulse.SelfAdd(_),u=x*this.m_maxForce,this.m_linearImpulse.LengthSquared()>u*u&&(this.m_linearImpulse.Normalize(),this.m_linearImpulse.SelfMul(u)),box2d.b2Sub_V2_V2(this.m_linearImpulse,m,_),t.SelfMulSub(n,_),e-=s*box2d.b2Cross_V2_V2(h,_),r.SelfMulAdd(p,_),i+=l*box2d.b2Cross_V2_V2(g,_),o.velocities[this.m_indexA].w=e,o.velocities[this.m_indexB].w=i},goog.exportProperty(box2d.b2MotorJoint.prototype,"SolveVelocityConstraints",box2d.b2MotorJoint.prototype.SolveVelocityConstraints),box2d.b2MotorJoint.prototype.SolveVelocityConstraints.s_Cdot=new box2d.b2Vec2,box2d.b2MotorJoint.prototype.SolveVelocityConstraints.s_impulse=new box2d.b2Vec2,box2d.b2MotorJoint.prototype.SolveVelocityConstraints.s_oldImpulse=new box2d.b2Vec2,box2d.b2MotorJoint.prototype.SolvePositionConstraints=function(o){return!0},goog.exportProperty(box2d.b2MotorJoint.prototype,"SolvePositionConstraints",box2d.b2MotorJoint.prototype.SolvePositionConstraints),box2d.b2MotorJoint.prototype.Dump=function(){if(box2d.DEBUG){var o=this.m_bodyA.m_islandIndex,t=this.m_bodyB.m_islandIndex;box2d.b2Log("  /*box2d.b2MotorJointDef*/ var jd = new box2d.b2MotorJointDef();\n"),box2d.b2Log("  jd.bodyA = bodies[%d];\n",o),box2d.b2Log("  jd.bodyB = bodies[%d];\n",t),box2d.b2Log("  jd.collideConnected = %s;\n",this.m_collideConnected?"true":"false"),box2d.b2Log("  jd.linearOffset.Set(%.15f, %.15f);\n",this.m_linearOffset.x,this.m_linearOffset.y),box2d.b2Log("  jd.angularOffset = %.15f;\n",this.m_angularOffset),box2d.b2Log("  jd.maxForce = %.15f;\n",this.m_maxForce),box2d.b2Log("  jd.maxTorque = %.15f;\n",this.m_maxTorque),box2d.b2Log("  jd.correctionFactor = %.15f;\n",this.m_correctionFactor),box2d.b2Log("  joints[%d] = this.m_world.CreateJoint(jd);\n",this.m_index)}},goog.exportProperty(box2d.b2MotorJoint.prototype,"Dump",box2d.b2MotorJoint.prototype.Dump),box2d.b2MouseJointDef=function(){box2d.b2JointDef.call(this,box2d.b2JointType.e_mouseJoint),this.target=new box2d.b2Vec2},goog.inherits(box2d.b2MouseJointDef,box2d.b2JointDef),goog.exportSymbol("box2d.b2MouseJointDef",box2d.b2MouseJointDef),box2d.b2MouseJointDef.prototype.target=null,goog.exportProperty(box2d.b2MouseJointDef.prototype,"target",box2d.b2MouseJointDef.prototype.target),box2d.b2MouseJointDef.prototype.maxForce=0,goog.exportProperty(box2d.b2MouseJointDef.prototype,"maxForce",box2d.b2MouseJointDef.prototype.maxForce),box2d.b2MouseJointDef.prototype.frequencyHz=5,goog.exportProperty(box2d.b2MouseJointDef.prototype,"frequencyHz",box2d.b2MouseJointDef.prototype.frequencyHz),box2d.b2MouseJointDef.prototype.dampingRatio=.7,goog.exportProperty(box2d.b2MouseJointDef.prototype,"dampingRatio",box2d.b2MouseJointDef.prototype.dampingRatio),box2d.b2MouseJoint=function(o){box2d.b2Joint.call(this,o),this.m_localAnchorB=new box2d.b2Vec2,this.m_targetA=new box2d.b2Vec2,this.m_impulse=new box2d.b2Vec2,this.m_rB=new box2d.b2Vec2,this.m_localCenterB=new box2d.b2Vec2,this.m_mass=new box2d.b2Mat22,this.m_C=new box2d.b2Vec2,this.m_qB=new box2d.b2Rot,this.m_lalcB=new box2d.b2Vec2,this.m_K=new box2d.b2Mat22,box2d.ENABLE_ASSERTS&&box2d.b2Assert(o.target.IsValid()),box2d.ENABLE_ASSERTS&&box2d.b2Assert(box2d.b2IsValid(o.maxForce)&&0<=o.maxForce),box2d.ENABLE_ASSERTS&&box2d.b2Assert(box2d.b2IsValid(o.frequencyHz)&&0<=o.frequencyHz),box2d.ENABLE_ASSERTS&&box2d.b2Assert(box2d.b2IsValid(o.dampingRatio)&&0<=o.dampingRatio),this.m_targetA.Copy(o.target),box2d.b2MulT_X_V2(this.m_bodyB.GetTransform(),this.m_targetA,this.m_localAnchorB),this.m_maxForce=o.maxForce,this.m_impulse.SetZero(),this.m_frequencyHz=o.frequencyHz,this.m_dampingRatio=o.dampingRatio,this.m_gamma=this.m_beta=0},goog.inherits(box2d.b2MouseJoint,box2d.b2Joint),goog.exportSymbol("box2d.b2MouseJoint",box2d.b2MouseJoint),box2d.b2MouseJoint.prototype.m_localAnchorB=null,goog.exportProperty(box2d.b2MouseJoint.prototype,"m_localAnchorB",box2d.b2MouseJoint.prototype.m_localAnchorB),box2d.b2MouseJoint.prototype.m_targetA=null,goog.exportProperty(box2d.b2MouseJoint.prototype,"m_targetA",box2d.b2MouseJoint.prototype.m_targetA),box2d.b2MouseJoint.prototype.m_frequencyHz=0,goog.exportProperty(box2d.b2MouseJoint.prototype,"m_frequencyHz",box2d.b2MouseJoint.prototype.m_frequencyHz),box2d.b2MouseJoint.prototype.m_dampingRatio=0,goog.exportProperty(box2d.b2MouseJoint.prototype,"m_dampingRatio",box2d.b2MouseJoint.prototype.m_dampingRatio),box2d.b2MouseJoint.prototype.m_beta=0,goog.exportProperty(box2d.b2MouseJoint.prototype,"m_beta",box2d.b2MouseJoint.prototype.m_beta);box2d.b2MouseJoint.prototype.m_impulse=null,goog.exportProperty(box2d.b2MouseJoint.prototype,"m_impulse",box2d.b2MouseJoint.prototype.m_impulse),box2d.b2MouseJoint.prototype.m_maxForce=0,goog.exportProperty(box2d.b2MouseJoint.prototype,"m_maxForce",box2d.b2MouseJoint.prototype.m_maxForce),box2d.b2MouseJoint.prototype.m_gamma=0,goog.exportProperty(box2d.b2MouseJoint.prototype,"m_gamma",box2d.b2MouseJoint.prototype.m_gamma),box2d.b2MouseJoint.prototype.m_indexA=0,goog.exportProperty(box2d.b2MouseJoint.prototype,"m_indexA",box2d.b2MouseJoint.prototype.m_indexA),box2d.b2MouseJoint.prototype.m_indexB=0,goog.exportProperty(box2d.b2MouseJoint.prototype,"m_indexB",box2d.b2MouseJoint.prototype.m_indexB),box2d.b2MouseJoint.prototype.m_rB=null,goog.exportProperty(box2d.b2MouseJoint.prototype,"m_rB",box2d.b2MouseJoint.prototype.m_rB),box2d.b2MouseJoint.prototype.m_localCenterB=null,goog.exportProperty(box2d.b2MouseJoint.prototype,"m_localCenterB",box2d.b2MouseJoint.prototype.m_localCenterB),box2d.b2MouseJoint.prototype.m_invMassB=0,goog.exportProperty(box2d.b2MouseJoint.prototype,"m_invMassB",box2d.b2MouseJoint.prototype.m_invMassB),box2d.b2MouseJoint.prototype.m_invIB=0,goog.exportProperty(box2d.b2MouseJoint.prototype,"m_invIB",box2d.b2MouseJoint.prototype.m_invIB),box2d.b2MouseJoint.prototype.m_mass=null,goog.exportProperty(box2d.b2MouseJoint.prototype,"m_mass",box2d.b2MouseJoint.prototype.m_mass),box2d.b2MouseJoint.prototype.m_C=null,goog.exportProperty(box2d.b2MouseJoint.prototype,"m_C",box2d.b2MouseJoint.prototype.m_C),box2d.b2MouseJoint.prototype.m_qB=null,goog.exportProperty(box2d.b2MouseJoint.prototype,"m_qB",box2d.b2MouseJoint.prototype.m_qB),box2d.b2MouseJoint.prototype.m_lalcB=null,goog.exportProperty(box2d.b2MouseJoint.prototype,"m_lalcB",box2d.b2MouseJoint.prototype.m_lalcB),box2d.b2MouseJoint.prototype.m_K=null,goog.exportProperty(box2d.b2MouseJoint.prototype,"m_K",box2d.b2MouseJoint.prototype.m_K),box2d.b2MouseJoint.prototype.SetTarget=function(o){this.m_bodyB.IsAwake()||this.m_bodyB.SetAwake(!0),this.m_targetA.Copy(o)},goog.exportProperty(box2d.b2MouseJoint.prototype,"SetTarget",box2d.b2MouseJoint.prototype.SetTarget),box2d.b2MouseJoint.prototype.GetTarget=function(o){return o.Copy(this.m_targetA)},goog.exportProperty(box2d.b2MouseJoint.prototype,"GetTarget",box2d.b2MouseJoint.prototype.GetTarget),box2d.b2MouseJoint.prototype.SetMaxForce=function(o){this.m_maxForce=o},goog.exportProperty(box2d.b2MouseJoint.prototype,"SetMaxForce",box2d.b2MouseJoint.prototype.SetMaxForce),box2d.b2MouseJoint.prototype.GetMaxForce=function(){return this.m_maxForce},goog.exportProperty(box2d.b2MouseJoint.prototype,"GetMaxForce",box2d.b2MouseJoint.prototype.GetMaxForce),box2d.b2MouseJoint.prototype.SetFrequency=function(o){this.m_frequencyHz=o},goog.exportProperty(box2d.b2MouseJoint.prototype,"SetFrequency",box2d.b2MouseJoint.prototype.SetFrequency),box2d.b2MouseJoint.prototype.GetFrequency=function(){return this.m_frequencyHz},goog.exportProperty(box2d.b2MouseJoint.prototype,"GetFrequency",box2d.b2MouseJoint.prototype.GetFrequency),box2d.b2MouseJoint.prototype.SetDampingRatio=function(o){this.m_dampingRatio=o},goog.exportProperty(box2d.b2MouseJoint.prototype,"SetDampingRatio",box2d.b2MouseJoint.prototype.SetDampingRatio),box2d.b2MouseJoint.prototype.GetDampingRatio=function(){return this.m_dampingRatio},goog.exportProperty(box2d.b2MouseJoint.prototype,"GetDampingRatio",box2d.b2MouseJoint.prototype.GetDampingRatio),box2d.b2MouseJoint.prototype.InitVelocityConstraints=function(o){this.m_indexB=this.m_bodyB.m_islandIndex,this.m_localCenterB.Copy(this.m_bodyB.m_sweep.localCenter),this.m_invMassB=this.m_bodyB.m_invMass,this.m_invIB=this.m_bodyB.m_invI;var t=o.positions[this.m_indexB].c,e=o.velocities[this.m_indexB].v,r=o.velocities[this.m_indexB].w,i=this.m_qB.SetAngle(o.positions[this.m_indexB].a),n=this.m_bodyB.GetMass(),p=2*box2d.b2_pi*this.m_frequencyHz,s=2*n*this.m_dampingRatio*p;n=n*p*p,p=o.step.dt;box2d.ENABLE_ASSERTS&&box2d.b2Assert(s+p*n>box2d.b2_epsilon),this.m_gamma=p*(s+p*n),0!==this.m_gamma&&(this.m_gamma=1/this.m_gamma),this.m_beta=p*n*this.m_gamma,box2d.b2Sub_V2_V2(this.m_localAnchorB,this.m_localCenterB,this.m_lalcB),box2d.b2Mul_R_V2(i,this.m_lalcB,this.m_rB),(i=this.m_K).ex.x=this.m_invMassB+this.m_invIB*this.m_rB.y*this.m_rB.y+this.m_gamma,i.ex.y=-this.m_invIB*this.m_rB.x*this.m_rB.y,i.ey.x=i.ex.y,i.ey.y=this.m_invMassB+this.m_invIB*this.m_rB.x*this.m_rB.x+this.m_gamma,i.GetInverse(this.m_mass),this.m_C.x=t.x+this.m_rB.x-this.m_targetA.x,this.m_C.y=t.y+this.m_rB.y-this.m_targetA.y,this.m_C.SelfMul(this.m_beta),r*=.98,o.step.warmStarting?(this.m_impulse.SelfMul(o.step.dtRatio),e.x+=this.m_invMassB*this.m_impulse.x,e.y+=this.m_invMassB*this.m_impulse.y,r+=this.m_invIB*box2d.b2Cross_V2_V2(this.m_rB,this.m_impulse)):this.m_impulse.SetZero(),o.velocities[this.m_indexB].w=r},goog.exportProperty(box2d.b2MouseJoint.prototype,"InitVelocityConstraints",box2d.b2MouseJoint.prototype.InitVelocityConstraints),box2d.b2MouseJoint.prototype.SolveVelocityConstraints=function(o){var t=o.velocities[this.m_indexB].v,e=o.velocities[this.m_indexB].w,r=box2d.b2AddCross_V2_S_V2(t,e,this.m_rB,box2d.b2MouseJoint.prototype.SolveVelocityConstraints.s_Cdot),i=(r=box2d.b2Mul_M22_V2(this.m_mass,box2d.b2Add_V2_V2(r,box2d.b2Add_V2_V2(this.m_C,box2d.b2Mul_S_V2(this.m_gamma,this.m_impulse,box2d.b2Vec2.s_t0),box2d.b2Vec2.s_t0),box2d.b2Vec2.s_t0).SelfNeg(),box2d.b2MouseJoint.prototype.SolveVelocityConstraints.s_impulse),box2d.b2MouseJoint.prototype.SolveVelocityConstraints.s_oldImpulse.Copy(this.m_impulse));this.m_impulse.SelfAdd(r);var n=o.step.dt*this.m_maxForce;this.m_impulse.LengthSquared()>n*n&&this.m_impulse.SelfMul(n/this.m_impulse.Length()),box2d.b2Sub_V2_V2(this.m_impulse,i,r),t.SelfMulAdd(this.m_invMassB,r),e+=this.m_invIB*box2d.b2Cross_V2_V2(this.m_rB,r),o.velocities[this.m_indexB].w=e},goog.exportProperty(box2d.b2MouseJoint.prototype,"SolveVelocityConstraints",box2d.b2MouseJoint.prototype.SolveVelocityConstraints),box2d.b2MouseJoint.prototype.SolveVelocityConstraints.s_Cdot=new box2d.b2Vec2,box2d.b2MouseJoint.prototype.SolveVelocityConstraints.s_impulse=new box2d.b2Vec2,box2d.b2MouseJoint.prototype.SolveVelocityConstraints.s_oldImpulse=new box2d.b2Vec2,box2d.b2MouseJoint.prototype.SolvePositionConstraints=function(o){return!0},goog.exportProperty(box2d.b2MouseJoint.prototype,"SolvePositionConstraints",box2d.b2MouseJoint.prototype.SolvePositionConstraints),box2d.b2MouseJoint.prototype.GetAnchorA=function(o){return o.Copy(this.m_targetA)},goog.exportProperty(box2d.b2MouseJoint.prototype,"GetAnchorA",box2d.b2MouseJoint.prototype.GetAnchorA),box2d.b2MouseJoint.prototype.GetAnchorB=function(o){return this.m_bodyB.GetWorldPoint(this.m_localAnchorB,o)},goog.exportProperty(box2d.b2MouseJoint.prototype,"GetAnchorB",box2d.b2MouseJoint.prototype.GetAnchorB),box2d.b2MouseJoint.prototype.GetReactionForce=function(o,t){return box2d.b2Mul_S_V2(o,this.m_impulse,t)},goog.exportProperty(box2d.b2MouseJoint.prototype,"GetReactionForce",box2d.b2MouseJoint.prototype.GetReactionForce),box2d.b2MouseJoint.prototype.GetReactionTorque=function(o){return 0},goog.exportProperty(box2d.b2MouseJoint.prototype,"GetReactionTorque",box2d.b2MouseJoint.prototype.GetReactionTorque),box2d.b2MouseJoint.prototype.Dump=function(){box2d.DEBUG&&box2d.b2Log("Mouse joint dumping is not supported.\n")},goog.exportProperty(box2d.b2MouseJoint.prototype,"Dump",box2d.b2MouseJoint.prototype.Dump),box2d.b2MouseJoint.prototype.ShiftOrigin=function(o){this.m_targetA.SelfSub(o)},goog.exportProperty(box2d.b2MouseJoint.prototype,"ShiftOrigin",box2d.b2MouseJoint.prototype.ShiftOrigin),box2d.b2PrismaticJointDef=function(){box2d.b2JointDef.call(this,box2d.b2JointType.e_prismaticJoint),this.localAnchorA=new box2d.b2Vec2,this.localAnchorB=new box2d.b2Vec2,this.localAxisA=new box2d.b2Vec2(1,0)},goog.inherits(box2d.b2PrismaticJointDef,box2d.b2JointDef),goog.exportSymbol("box2d.b2PrismaticJointDef",box2d.b2PrismaticJointDef),box2d.b2PrismaticJointDef.prototype.localAnchorA=null,goog.exportProperty(box2d.b2PrismaticJointDef.prototype,"localAnchorA",box2d.b2PrismaticJointDef.prototype.localAnchorA),box2d.b2PrismaticJointDef.prototype.localAnchorB=null,goog.exportProperty(box2d.b2PrismaticJointDef.prototype,"localAnchorB",box2d.b2PrismaticJointDef.prototype.localAnchorB),box2d.b2PrismaticJointDef.prototype.localAxisA=null,goog.exportProperty(box2d.b2PrismaticJointDef.prototype,"localAxisA",box2d.b2PrismaticJointDef.prototype.localAxisA),box2d.b2PrismaticJointDef.prototype.referenceAngle=0,goog.exportProperty(box2d.b2PrismaticJointDef.prototype,"referenceAngle",box2d.b2PrismaticJointDef.prototype.referenceAngle),box2d.b2PrismaticJointDef.prototype.enableLimit=!1,goog.exportProperty(box2d.b2PrismaticJointDef.prototype,"enableLimit",box2d.b2PrismaticJointDef.prototype.enableLimit),box2d.b2PrismaticJointDef.prototype.lowerTranslation=0,goog.exportProperty(box2d.b2PrismaticJointDef.prototype,"lowerTranslation",box2d.b2PrismaticJointDef.prototype.lowerTranslation),box2d.b2PrismaticJointDef.prototype.upperTranslation=0,goog.exportProperty(box2d.b2PrismaticJointDef.prototype,"upperTranslation",box2d.b2PrismaticJointDef.prototype.upperTranslation),box2d.b2PrismaticJointDef.prototype.enableMotor=!1,goog.exportProperty(box2d.b2PrismaticJointDef.prototype,"enableMotor",box2d.b2PrismaticJointDef.prototype.enableMotor),box2d.b2PrismaticJointDef.prototype.maxMotorForce=0,goog.exportProperty(box2d.b2PrismaticJointDef.prototype,"maxMotorForce",box2d.b2PrismaticJointDef.prototype.maxMotorForce),box2d.b2PrismaticJointDef.prototype.motorSpeed=0,goog.exportProperty(box2d.b2PrismaticJointDef.prototype,"motorSpeed",box2d.b2PrismaticJointDef.prototype.motorSpeed),box2d.b2PrismaticJointDef.prototype.Initialize=function(o,t,e,r){this.bodyA=o,this.bodyB=t,this.bodyA.GetLocalPoint(e,this.localAnchorA),this.bodyB.GetLocalPoint(e,this.localAnchorB),this.bodyA.GetLocalVector(r,this.localAxisA),this.referenceAngle=this.bodyB.GetAngle()-this.bodyA.GetAngle()},goog.exportProperty(box2d.b2PrismaticJointDef.prototype,"Initialize",box2d.b2PrismaticJointDef.prototype.Initialize),box2d.b2PrismaticJoint=function(o){box2d.b2Joint.call(this,o),this.m_localAnchorA=o.localAnchorA.Clone(),this.m_localAnchorB=o.localAnchorB.Clone(),this.m_localXAxisA=o.localAxisA.Clone().SelfNormalize(),this.m_localYAxisA=box2d.b2Cross_S_V2(1,this.m_localXAxisA,new box2d.b2Vec2),this.m_referenceAngle=o.referenceAngle,this.m_impulse=new box2d.b2Vec3(0,0,0),this.m_lowerTranslation=o.lowerTranslation,this.m_upperTranslation=o.upperTranslation,this.m_maxMotorForce=o.maxMotorForce,this.m_motorSpeed=o.motorSpeed,this.m_enableLimit=o.enableLimit,this.m_enableMotor=o.enableMotor,this.m_localCenterA=new box2d.b2Vec2,this.m_localCenterB=new box2d.b2Vec2,this.m_axis=new box2d.b2Vec2(0,0),this.m_perp=new box2d.b2Vec2(0,0),this.m_K=new box2d.b2Mat33,this.m_K3=new box2d.b2Mat33,this.m_K2=new box2d.b2Mat22,this.m_qA=new box2d.b2Rot,this.m_qB=new box2d.b2Rot,this.m_lalcA=new box2d.b2Vec2,this.m_lalcB=new box2d.b2Vec2,this.m_rA=new box2d.b2Vec2,this.m_rB=new box2d.b2Vec2},goog.inherits(box2d.b2PrismaticJoint,box2d.b2Joint),goog.exportSymbol("box2d.b2PrismaticJoint",box2d.b2PrismaticJoint),box2d.b2PrismaticJoint.prototype.m_localAnchorA=null,goog.exportProperty(box2d.b2PrismaticJoint.prototype,"m_localAnchorA",box2d.b2PrismaticJoint.prototype.m_localAnchorA),box2d.b2PrismaticJoint.prototype.m_localAnchorB=null,goog.exportProperty(box2d.b2PrismaticJoint.prototype,"m_localAnchorB",box2d.b2PrismaticJoint.prototype.m_localAnchorB),box2d.b2PrismaticJoint.prototype.m_localXAxisA=null,goog.exportProperty(box2d.b2PrismaticJoint.prototype,"m_localXAxisA",box2d.b2PrismaticJoint.prototype.m_localXAxisA),box2d.b2PrismaticJoint.prototype.m_localYAxisA=null,goog.exportProperty(box2d.b2PrismaticJoint.prototype,"m_localYAxisA",box2d.b2PrismaticJoint.prototype.m_localYAxisA),box2d.b2PrismaticJoint.prototype.m_referenceAngle=0,goog.exportProperty(box2d.b2PrismaticJoint.prototype,"m_referenceAngle",box2d.b2PrismaticJoint.prototype.m_referenceAngle),box2d.b2PrismaticJoint.prototype.m_impulse=null,goog.exportProperty(box2d.b2PrismaticJoint.prototype,"m_impulse",box2d.b2PrismaticJoint.prototype.m_impulse),box2d.b2PrismaticJoint.prototype.m_motorImpulse=0,goog.exportProperty(box2d.b2PrismaticJoint.prototype,"m_motorImpulse",box2d.b2PrismaticJoint.prototype.m_motorImpulse),box2d.b2PrismaticJoint.prototype.m_lowerTranslation=0,goog.exportProperty(box2d.b2PrismaticJoint.prototype,"m_lowerTranslation",box2d.b2PrismaticJoint.prototype.m_lowerTranslation),box2d.b2PrismaticJoint.prototype.m_upperTranslation=0,goog.exportProperty(box2d.b2PrismaticJoint.prototype,"m_upperTranslation",box2d.b2PrismaticJoint.prototype.m_upperTranslation),box2d.b2PrismaticJoint.prototype.m_maxMotorForce=0,goog.exportProperty(box2d.b2PrismaticJoint.prototype,"m_maxMotorForce",box2d.b2PrismaticJoint.prototype.m_maxMotorForce),box2d.b2PrismaticJoint.prototype.m_motorSpeed=0,goog.exportProperty(box2d.b2PrismaticJoint.prototype,"m_motorSpeed",box2d.b2PrismaticJoint.prototype.m_motorSpeed),box2d.b2PrismaticJoint.prototype.m_enableLimit=!1,goog.exportProperty(box2d.b2PrismaticJoint.prototype,"m_enableLimit",box2d.b2PrismaticJoint.prototype.m_enableLimit),box2d.b2PrismaticJoint.prototype.m_enableMotor=!1,goog.exportProperty(box2d.b2PrismaticJoint.prototype,"m_enableMotor",box2d.b2PrismaticJoint.prototype.m_enableMotor),box2d.b2PrismaticJoint.prototype.m_limitState=box2d.b2LimitState.e_inactiveLimit,goog.exportProperty(box2d.b2PrismaticJoint.prototype,"m_limitState",box2d.b2PrismaticJoint.prototype.m_limitState),box2d.b2PrismaticJoint.prototype.m_indexA=0,goog.exportProperty(box2d.b2PrismaticJoint.prototype,"m_indexA",box2d.b2PrismaticJoint.prototype.m_indexA),box2d.b2PrismaticJoint.prototype.m_indexB=0,goog.exportProperty(box2d.b2PrismaticJoint.prototype,"m_indexB",box2d.b2PrismaticJoint.prototype.m_indexB),box2d.b2PrismaticJoint.prototype.m_localCenterA=null,goog.exportProperty(box2d.b2PrismaticJoint.prototype,"m_localCenterA",box2d.b2PrismaticJoint.prototype.m_localCenterA),box2d.b2PrismaticJoint.prototype.m_localCenterB=null,goog.exportProperty(box2d.b2PrismaticJoint.prototype,"m_localCenterB",box2d.b2PrismaticJoint.prototype.m_localCenterB),box2d.b2PrismaticJoint.prototype.m_invMassA=0,goog.exportProperty(box2d.b2PrismaticJoint.prototype,"m_invMassA",box2d.b2PrismaticJoint.prototype.m_invMassA),box2d.b2PrismaticJoint.prototype.m_invMassB=0,goog.exportProperty(box2d.b2PrismaticJoint.prototype,"m_invMassB",box2d.b2PrismaticJoint.prototype.m_invMassB),box2d.b2PrismaticJoint.prototype.m_invIA=0,goog.exportProperty(box2d.b2PrismaticJoint.prototype,"m_invIA",box2d.b2PrismaticJoint.prototype.m_invIA),box2d.b2PrismaticJoint.prototype.m_invIB=0,goog.exportProperty(box2d.b2PrismaticJoint.prototype,"m_invIB",box2d.b2PrismaticJoint.prototype.m_invIB),box2d.b2PrismaticJoint.prototype.m_axis=null,goog.exportProperty(box2d.b2PrismaticJoint.prototype,"m_axis",box2d.b2PrismaticJoint.prototype.m_axis),box2d.b2PrismaticJoint.prototype.m_perp=null,goog.exportProperty(box2d.b2PrismaticJoint.prototype,"m_perp",box2d.b2PrismaticJoint.prototype.m_perp),box2d.b2PrismaticJoint.prototype.m_s1=0,goog.exportProperty(box2d.b2PrismaticJoint.prototype,"m_s1",box2d.b2PrismaticJoint.prototype.m_s1),box2d.b2PrismaticJoint.prototype.m_s2=0,goog.exportProperty(box2d.b2PrismaticJoint.prototype,"m_s2",box2d.b2PrismaticJoint.prototype.m_s2),box2d.b2PrismaticJoint.prototype.m_a1=0,goog.exportProperty(box2d.b2PrismaticJoint.prototype,"m_a1",box2d.b2PrismaticJoint.prototype.m_a1),box2d.b2PrismaticJoint.prototype.m_a2=0,goog.exportProperty(box2d.b2PrismaticJoint.prototype,"m_a2",box2d.b2PrismaticJoint.prototype.m_a2),box2d.b2PrismaticJoint.prototype.m_K=null,goog.exportProperty(box2d.b2PrismaticJoint.prototype,"m_K",box2d.b2PrismaticJoint.prototype.m_K),box2d.b2PrismaticJoint.prototype.m_K3=null,goog.exportProperty(box2d.b2PrismaticJoint.prototype,"m_K3",box2d.b2PrismaticJoint.prototype.m_K3),box2d.b2PrismaticJoint.prototype.m_K2=null,goog.exportProperty(box2d.b2PrismaticJoint.prototype,"m_K2",box2d.b2PrismaticJoint.prototype.m_K2),box2d.b2PrismaticJoint.prototype.m_motorMass=0,goog.exportProperty(box2d.b2PrismaticJoint.prototype,"m_motorMass",box2d.b2PrismaticJoint.prototype.m_motorMass),box2d.b2PrismaticJoint.prototype.m_qA=null,goog.exportProperty(box2d.b2PrismaticJoint.prototype,"m_qA",box2d.b2PrismaticJoint.prototype.m_qA),box2d.b2PrismaticJoint.prototype.m_qB=null,goog.exportProperty(box2d.b2PrismaticJoint.prototype,"m_qB",box2d.b2PrismaticJoint.prototype.m_qB),box2d.b2PrismaticJoint.prototype.m_lalcA=null,goog.exportProperty(box2d.b2PrismaticJoint.prototype,"m_lalcA",box2d.b2PrismaticJoint.prototype.m_lalcA),box2d.b2PrismaticJoint.prototype.m_lalcB=null,goog.exportProperty(box2d.b2PrismaticJoint.prototype,"m_lalcB",box2d.b2PrismaticJoint.prototype.m_lalcB),box2d.b2PrismaticJoint.prototype.m_rA=null,goog.exportProperty(box2d.b2PrismaticJoint.prototype,"m_rA",box2d.b2PrismaticJoint.prototype.m_rA),box2d.b2PrismaticJoint.prototype.m_rB=null,goog.exportProperty(box2d.b2PrismaticJoint.prototype,"m_rB",box2d.b2PrismaticJoint.prototype.m_rB),box2d.b2PrismaticJoint.prototype.InitVelocityConstraints=function(o){this.m_indexA=this.m_bodyA.m_islandIndex,this.m_indexB=this.m_bodyB.m_islandIndex,this.m_localCenterA.Copy(this.m_bodyA.m_sweep.localCenter),this.m_localCenterB.Copy(this.m_bodyB.m_sweep.localCenter),this.m_invMassA=this.m_bodyA.m_invMass,this.m_invMassB=this.m_bodyB.m_invMass,this.m_invIA=this.m_bodyA.m_invI,this.m_invIB=this.m_bodyB.m_invI;var t=o.positions[this.m_indexA].c,e=o.velocities[this.m_indexA].v,r=o.velocities[this.m_indexA].w,i=o.positions[this.m_indexB].c,n=o.positions[this.m_indexB].a,p=o.velocities[this.m_indexB].v,s=o.velocities[this.m_indexB].w,l=this.m_qA.SetAngle(o.positions[this.m_indexA].a);n=this.m_qB.SetAngle(n);box2d.b2Sub_V2_V2(this.m_localAnchorA,this.m_localCenterA,this.m_lalcA);var x=box2d.b2Mul_R_V2(l,this.m_lalcA,this.m_rA);box2d.b2Sub_V2_V2(this.m_localAnchorB,this.m_localCenterB,this.m_lalcB);var y=box2d.b2Mul_R_V2(n,this.m_lalcB,this.m_rB),_=box2d.b2Add_V2_V2(box2d.b2Sub_V2_V2(i,t,box2d.b2Vec2.s_t0),box2d.b2Sub_V2_V2(y,x,box2d.b2Vec2.s_t1),box2d.b2PrismaticJoint.prototype.InitVelocityConstraints.s_d),m=(t=this.m_invMassA,i=this.m_invMassB,n=this.m_invIA,this.m_invIB);box2d.b2Mul_R_V2(l,this.m_localXAxisA,this.m_axis),this.m_a1=box2d.b2Cross_V2_V2(box2d.b2Add_V2_V2(_,x,box2d.b2Vec2.s_t0),this.m_axis),this.m_a2=box2d.b2Cross_V2_V2(y,this.m_axis),this.m_motorMass=t+i+n*this.m_a1*this.m_a1+m*this.m_a2*this.m_a2,0<this.m_motorMass&&(this.m_motorMass=1/this.m_motorMass),box2d.b2Mul_R_V2(l,this.m_localYAxisA,this.m_perp),this.m_s1=box2d.b2Cross_V2_V2(box2d.b2Add_V2_V2(_,x,box2d.b2Vec2.s_t0),this.m_perp),this.m_s2=box2d.b2Cross_V2_V2(y,this.m_perp),this.m_K.ex.x=t+i+n*this.m_s1*this.m_s1+m*this.m_s2*this.m_s2,this.m_K.ex.y=n*this.m_s1+m*this.m_s2,this.m_K.ex.z=n*this.m_s1*this.m_a1+m*this.m_s2*this.m_a2,this.m_K.ey.x=this.m_K.ex.y,this.m_K.ey.y=n+m,0===this.m_K.ey.y&&(this.m_K.ey.y=1),this.m_K.ey.z=n*this.m_a1+m*this.m_a2,this.m_K.ez.x=this.m_K.ex.z,this.m_K.ez.y=this.m_K.ey.z,this.m_K.ez.z=t+i+n*this.m_a1*this.m_a1+m*this.m_a2*this.m_a2,this.m_enableLimit?(l=box2d.b2Dot_V2_V2(this.m_axis,_),box2d.b2Abs(this.m_upperTranslation-this.m_lowerTranslation)<2*box2d.b2_linearSlop?this.m_limitState=box2d.b2LimitState.e_equalLimits:l<=this.m_lowerTranslation?this.m_limitState!==box2d.b2LimitState.e_atLowerLimit&&(this.m_limitState=box2d.b2LimitState.e_atLowerLimit,this.m_impulse.z=0):l>=this.m_upperTranslation?this.m_limitState!==box2d.b2LimitState.e_atUpperLimit&&(this.m_limitState=box2d.b2LimitState.e_atUpperLimit,this.m_impulse.z=0):(this.m_limitState=box2d.b2LimitState.e_inactiveLimit,this.m_impulse.z=0)):(this.m_limitState=box2d.b2LimitState.e_inactiveLimit,this.m_impulse.z=0),this.m_enableMotor||(this.m_motorImpulse=0),o.step.warmStarting?(this.m_impulse.SelfMulScalar(o.step.dtRatio),this.m_motorImpulse*=o.step.dtRatio,l=box2d.b2Add_V2_V2(box2d.b2Mul_S_V2(this.m_impulse.x,this.m_perp,box2d.b2Vec2.s_t0),box2d.b2Mul_S_V2(this.m_motorImpulse+this.m_impulse.z,this.m_axis,box2d.b2Vec2.s_t1),box2d.b2PrismaticJoint.prototype.InitVelocityConstraints.s_P),x=this.m_impulse.x*this.m_s1+this.m_impulse.y+(this.m_motorImpulse+this.m_impulse.z)*this.m_a1,y=this.m_impulse.x*this.m_s2+this.m_impulse.y+(this.m_motorImpulse+this.m_impulse.z)*this.m_a2,e.SelfMulSub(t,l),r-=n*x,p.SelfMulAdd(i,l),s+=m*y):(this.m_impulse.SetZero(),this.m_motorImpulse=0),o.velocities[this.m_indexA].w=r,o.velocities[this.m_indexB].w=s},goog.exportProperty(box2d.b2PrismaticJoint.prototype,"InitVelocityConstraints",box2d.b2PrismaticJoint.prototype.InitVelocityConstraints),box2d.b2PrismaticJoint.prototype.InitVelocityConstraints.s_d=new box2d.b2Vec2,box2d.b2PrismaticJoint.prototype.InitVelocityConstraints.s_P=new box2d.b2Vec2,box2d.b2PrismaticJoint.prototype.SolveVelocityConstraints=function(o){var t=o.velocities[this.m_indexA].v,e=o.velocities[this.m_indexA].w,r=o.velocities[this.m_indexB].v,i=o.velocities[this.m_indexB].w,n=this.m_invMassA,p=this.m_invMassB,s=this.m_invIA,l=this.m_invIB;if(this.m_enableMotor&&this.m_limitState!==box2d.b2LimitState.e_equalLimits){var x=box2d.b2Dot_V2_V2(this.m_axis,box2d.b2Sub_V2_V2(r,t,box2d.b2Vec2.s_t0))+this.m_a2*i-this.m_a1*e,y=(x=this.m_motorMass*(this.m_motorSpeed-x),this.m_motorImpulse),_=o.step.dt*this.m_maxMotorForce;this.m_motorImpulse=box2d.b2Clamp(this.m_motorImpulse+x,-_,_),x=this.m_motorImpulse-y,y=box2d.b2Mul_S_V2(x,this.m_axis,box2d.b2PrismaticJoint.prototype.SolveVelocityConstraints.s_P),_=x*this.m_a1,x*=this.m_a2,t.SelfMulSub(n,y),e-=s*_,r.SelfMulAdd(p,y),i+=l*x}_=box2d.b2Dot_V2_V2(this.m_perp,box2d.b2Sub_V2_V2(r,t,box2d.b2Vec2.s_t0))+this.m_s2*i-this.m_s1*e;var m=i-e;this.m_enableLimit&&this.m_limitState!==box2d.b2LimitState.e_inactiveLimit?(x=box2d.b2Dot_V2_V2(this.m_axis,box2d.b2Sub_V2_V2(r,t,box2d.b2Vec2.s_t0))+this.m_a2*i-this.m_a1*e,y=box2d.b2PrismaticJoint.prototype.SolveVelocityConstraints.s_f1.Copy(this.m_impulse),x=this.m_K.Solve33(-_,-m,-x,box2d.b2PrismaticJoint.prototype.SolveVelocityConstraints.s_df3),this.m_impulse.SelfAdd(x),this.m_limitState===box2d.b2LimitState.e_atLowerLimit?this.m_impulse.z=box2d.b2Max(this.m_impulse.z,0):this.m_limitState===box2d.b2LimitState.e_atUpperLimit&&(this.m_impulse.z=box2d.b2Min(this.m_impulse.z,0)),(_=this.m_K.Solve22(-_-(this.m_impulse.z-y.z)*this.m_K.ez.x,-m-(this.m_impulse.z-y.z)*this.m_K.ez.y,box2d.b2PrismaticJoint.prototype.SolveVelocityConstraints.s_f2r)).x+=y.x,_.y+=y.y,this.m_impulse.x=_.x,this.m_impulse.y=_.y,x.x=this.m_impulse.x-y.x,x.y=this.m_impulse.y-y.y,x.z=this.m_impulse.z-y.z,y=box2d.b2Add_V2_V2(box2d.b2Mul_S_V2(x.x,this.m_perp,box2d.b2Vec2.s_t0),box2d.b2Mul_S_V2(x.z,this.m_axis,box2d.b2Vec2.s_t1),box2d.b2PrismaticJoint.prototype.SolveVelocityConstraints.s_P),_=x.x*this.m_s1+x.y+x.z*this.m_a1,x=x.x*this.m_s2+x.y+x.z*this.m_a2):(x=this.m_K.Solve22(-_,-m,box2d.b2PrismaticJoint.prototype.SolveVelocityConstraints.s_df2),this.m_impulse.x+=x.x,this.m_impulse.y+=x.y,y=box2d.b2Mul_S_V2(x.x,this.m_perp,box2d.b2PrismaticJoint.prototype.SolveVelocityConstraints.s_P),_=x.x*this.m_s1+x.y,x=x.x*this.m_s2+x.y),t.SelfMulSub(n,y),e-=s*_,r.SelfMulAdd(p,y),o.velocities[this.m_indexA].w=e,o.velocities[this.m_indexB].w=i+l*x},goog.exportProperty(box2d.b2PrismaticJoint.prototype,"SolveVelocityConstraints",box2d.b2PrismaticJoint.prototype.SolveVelocityConstraints),box2d.b2PrismaticJoint.prototype.SolveVelocityConstraints.s_P=new box2d.b2Vec2,box2d.b2PrismaticJoint.prototype.SolveVelocityConstraints.s_f2r=new box2d.b2Vec2,box2d.b2PrismaticJoint.prototype.SolveVelocityConstraints.s_f1=new box2d.b2Vec3,box2d.b2PrismaticJoint.prototype.SolveVelocityConstraints.s_df3=new box2d.b2Vec3,box2d.b2PrismaticJoint.prototype.SolveVelocityConstraints.s_df2=new box2d.b2Vec2,box2d.b2PrismaticJoint.prototype.SolvePositionConstraints=function(o){var t=o.positions[this.m_indexA].c,e=o.positions[this.m_indexA].a,r=o.positions[this.m_indexB].c,i=o.positions[this.m_indexB].a,n=this.m_qA.SetAngle(e),p=this.m_qB.SetAngle(i),s=this.m_invMassA,l=this.m_invMassB,x=this.m_invIA,y=this.m_invIB,_=box2d.b2Mul_R_V2(n,this.m_lalcA,this.m_rA),m=box2d.b2Mul_R_V2(p,this.m_lalcB,this.m_rB),u=box2d.b2Sub_V2_V2(box2d.b2Add_V2_V2(r,m,box2d.b2Vec2.s_t0),box2d.b2Add_V2_V2(t,_,box2d.b2Vec2.s_t1),box2d.b2PrismaticJoint.prototype.SolvePositionConstraints.s_d),h=box2d.b2Mul_R_V2(n,this.m_localXAxisA,this.m_axis),g=box2d.b2Cross_V2_V2(box2d.b2Add_V2_V2(u,_,box2d.b2Vec2.s_t0),h),S=(p=box2d.b2Cross_V2_V2(m,h),n=box2d.b2Mul_R_V2(n,this.m_localYAxisA,this.m_perp),box2d.b2Cross_V2_V2(box2d.b2Add_V2_V2(u,_,box2d.b2Vec2.s_t0),n)),P=box2d.b2Cross_V2_V2(m,n),C=box2d.b2PrismaticJoint.prototype.SolvePositionConstraints.s_impulse,A=box2d.b2Dot_V2_V2(n,u),B=i-e-this.m_referenceAngle,v=(_=box2d.b2Abs(A),m=box2d.b2Abs(B),!1),V=0;if(this.m_enableLimit&&(u=box2d.b2Dot_V2_V2(h,u),box2d.b2Abs(this.m_upperTranslation-this.m_lowerTranslation)<2*box2d.b2_linearSlop?(V=box2d.b2Clamp(u,-box2d.b2_maxLinearCorrection,box2d.b2_maxLinearCorrection),_=box2d.b2Max(_,box2d.b2Abs(u)),v=!0):u<=this.m_lowerTranslation?(V=box2d.b2Clamp(u-this.m_lowerTranslation+box2d.b2_linearSlop,-box2d.b2_maxLinearCorrection,0),_=box2d.b2Max(_,this.m_lowerTranslation-u),v=!0):u>=this.m_upperTranslation&&(V=box2d.b2Clamp(u-this.m_upperTranslation-box2d.b2_linearSlop,0,box2d.b2_maxLinearCorrection),_=box2d.b2Max(_,u-this.m_upperTranslation),v=!0)),v){u=x*S+y*P;var J=x*S*g+y*P*p;0===(v=x+y)&&(v=1);var M=x*g+y*p,D=s+l+x*g*g+y*p*p,w=this.m_K3;w.ex.Set(s+l+x*S*S+y*P*P,u,J),w.ey.Set(u,v,M),w.ez.Set(J,M,D),C=w.Solve33(-A,-B,-V,C)}else u=x*S+y*P,0===(v=x+y)&&(v=1),(V=this.m_K2).ex.Set(s+l+x*S*S+y*P*P,u),V.ey.Set(u,v),A=V.Solve(-A,-B,box2d.b2PrismaticJoint.prototype.SolvePositionConstraints.s_impulse1),C.x=A.x,C.y=A.y,C.z=0;return h=box2d.b2Add_V2_V2(box2d.b2Mul_S_V2(C.x,n,box2d.b2Vec2.s_t0),box2d.b2Mul_S_V2(C.z,h,box2d.b2Vec2.s_t1),box2d.b2PrismaticJoint.prototype.SolvePositionConstraints.s_P),g=C.x*S+C.y+C.z*g,p=C.x*P+C.y+C.z*p,t.SelfMulSub(s,h),e-=x*g,r.SelfMulAdd(l,h),o.positions[this.m_indexA].a=e,o.positions[this.m_indexB].a=i+y*p,_<=box2d.b2_linearSlop&&m<=box2d.b2_angularSlop},goog.exportProperty(box2d.b2PrismaticJoint.prototype,"SolvePositionConstraints",box2d.b2PrismaticJoint.prototype.SolvePositionConstraints),box2d.b2PrismaticJoint.prototype.SolvePositionConstraints.s_d=new box2d.b2Vec2,box2d.b2PrismaticJoint.prototype.SolvePositionConstraints.s_impulse=new box2d.b2Vec3,box2d.b2PrismaticJoint.prototype.SolvePositionConstraints.s_impulse1=new box2d.b2Vec2,box2d.b2PrismaticJoint.prototype.SolvePositionConstraints.s_P=new box2d.b2Vec2,box2d.b2PrismaticJoint.prototype.GetAnchorA=function(o){return this.m_bodyA.GetWorldPoint(this.m_localAnchorA,o)},goog.exportProperty(box2d.b2PrismaticJoint.prototype,"GetAnchorA",box2d.b2PrismaticJoint.prototype.GetAnchorA),box2d.b2PrismaticJoint.prototype.GetAnchorB=function(o){return this.m_bodyB.GetWorldPoint(this.m_localAnchorB,o)},goog.exportProperty(box2d.b2PrismaticJoint.prototype,"GetAnchorB",box2d.b2PrismaticJoint.prototype.GetAnchorB),box2d.b2PrismaticJoint.prototype.GetReactionForce=function(o,t){return t.Set(o*(this.m_impulse.x*this.m_perp.x+(this.m_motorImpulse+this.m_impulse.z)*this.m_axis.x),o*(this.m_impulse.x*this.m_perp.y+(this.m_motorImpulse+this.m_impulse.z)*this.m_axis.y))},goog.exportProperty(box2d.b2PrismaticJoint.prototype,"GetReactionForce",box2d.b2PrismaticJoint.prototype.GetReactionForce),box2d.b2PrismaticJoint.prototype.GetReactionTorque=function(o){return o*this.m_impulse.y},goog.exportProperty(box2d.b2PrismaticJoint.prototype,"GetReactionTorque",box2d.b2PrismaticJoint.prototype.GetReactionTorque),box2d.b2PrismaticJoint.prototype.GetLocalAnchorA=function(o){return o.Copy(this.m_localAnchorA)},goog.exportProperty(box2d.b2PrismaticJoint.prototype,"GetLocalAnchorA",box2d.b2PrismaticJoint.prototype.GetLocalAnchorA),box2d.b2PrismaticJoint.prototype.GetLocalAnchorB=function(o){return o.Copy(this.m_localAnchorB)},goog.exportProperty(box2d.b2PrismaticJoint.prototype,"GetLocalAnchorB",box2d.b2PrismaticJoint.prototype.GetLocalAnchorB),box2d.b2PrismaticJoint.prototype.GetLocalAxisA=function(o){return o.Copy(this.m_localXAxisA)},goog.exportProperty(box2d.b2PrismaticJoint.prototype,"GetLocalAxisA",box2d.b2PrismaticJoint.prototype.GetLocalAxisA),box2d.b2PrismaticJoint.prototype.GetReferenceAngle=function(){return this.m_referenceAngle},goog.exportProperty(box2d.b2PrismaticJoint.prototype,"GetReferenceAngle",box2d.b2PrismaticJoint.prototype.GetReferenceAngle),box2d.b2PrismaticJoint.prototype.GetJointTranslation=function(){var o=this.m_bodyA.GetWorldPoint(this.m_localAnchorA,box2d.b2PrismaticJoint.prototype.GetJointTranslation.s_pA),t=this.m_bodyB.GetWorldPoint(this.m_localAnchorB,box2d.b2PrismaticJoint.prototype.GetJointTranslation.s_pB);o=box2d.b2Sub_V2_V2(t,o,box2d.b2PrismaticJoint.prototype.GetJointTranslation.s_d),t=this.m_bodyA.GetWorldVector(this.m_localXAxisA,box2d.b2PrismaticJoint.prototype.GetJointTranslation.s_axis);return box2d.b2Dot_V2_V2(o,t)},goog.exportProperty(box2d.b2PrismaticJoint.prototype,"GetJointTranslation",box2d.b2PrismaticJoint.prototype.GetJointTranslation),box2d.b2PrismaticJoint.prototype.GetJointTranslation.s_pA=new box2d.b2Vec2,box2d.b2PrismaticJoint.prototype.GetJointTranslation.s_pB=new box2d.b2Vec2,box2d.b2PrismaticJoint.prototype.GetJointTranslation.s_d=new box2d.b2Vec2,box2d.b2PrismaticJoint.prototype.GetJointTranslation.s_axis=new box2d.b2Vec2,box2d.b2PrismaticJoint.prototype.GetJointSpeed=function(){var o=this.m_bodyA,t=this.m_bodyB;box2d.b2Sub_V2_V2(this.m_localAnchorA,o.m_sweep.localCenter,this.m_lalcA);var e=box2d.b2Mul_R_V2(o.m_xf.q,this.m_lalcA,this.m_rA);box2d.b2Sub_V2_V2(this.m_localAnchorB,t.m_sweep.localCenter,this.m_lalcB);var r=box2d.b2Mul_R_V2(t.m_xf.q,this.m_lalcB,this.m_rB),i=box2d.b2Add_V2_V2(o.m_sweep.c,e,box2d.b2Vec2.s_t0),n=box2d.b2Add_V2_V2(t.m_sweep.c,r,box2d.b2Vec2.s_t1),p=(i=box2d.b2Sub_V2_V2(n,i,box2d.b2Vec2.s_t2),n=o.GetWorldVector(this.m_localXAxisA,this.m_axis),o.m_linearVelocity),s=t.m_linearVelocity;o=o.m_angularVelocity,t=t.m_angularVelocity;return box2d.b2Dot_V2_V2(i,box2d.b2Cross_S_V2(o,n,box2d.b2Vec2.s_t0))+box2d.b2Dot_V2_V2(n,box2d.b2Sub_V2_V2(box2d.b2AddCross_V2_S_V2(s,t,r,box2d.b2Vec2.s_t0),box2d.b2AddCross_V2_S_V2(p,o,e,box2d.b2Vec2.s_t1),box2d.b2Vec2.s_t0))},goog.exportProperty(box2d.b2PrismaticJoint.prototype,"GetJointSpeed",box2d.b2PrismaticJoint.prototype.GetJointSpeed),box2d.b2PrismaticJoint.prototype.IsLimitEnabled=function(){return this.m_enableLimit},goog.exportProperty(box2d.b2PrismaticJoint.prototype,"IsLimitEnabled",box2d.b2PrismaticJoint.prototype.IsLimitEnabled),box2d.b2PrismaticJoint.prototype.EnableLimit=function(o){o!==this.m_enableLimit&&(this.m_bodyA.SetAwake(!0),this.m_bodyB.SetAwake(!0),this.m_enableLimit=o,this.m_impulse.z=0)},goog.exportProperty(box2d.b2PrismaticJoint.prototype,"EnableLimit",box2d.b2PrismaticJoint.prototype.EnableLimit),box2d.b2PrismaticJoint.prototype.GetLowerLimit=function(){return this.m_lowerTranslation},goog.exportProperty(box2d.b2PrismaticJoint.prototype,"GetLowerLimit",box2d.b2PrismaticJoint.prototype.GetLowerLimit),box2d.b2PrismaticJoint.prototype.GetUpperLimit=function(){return this.m_upperTranslation},goog.exportProperty(box2d.b2PrismaticJoint.prototype,"GetUpperLimit",box2d.b2PrismaticJoint.prototype.GetUpperLimit),box2d.b2PrismaticJoint.prototype.SetLimits=function(o,t){o===this.m_lowerTranslation&&t===this.m_upperTranslation||(this.m_bodyA.SetAwake(!0),this.m_bodyB.SetAwake(!0),this.m_lowerTranslation=o,this.m_upperTranslation=t,this.m_impulse.z=0)},goog.exportProperty(box2d.b2PrismaticJoint.prototype,"SetLimits",box2d.b2PrismaticJoint.prototype.SetLimits),box2d.b2PrismaticJoint.prototype.IsMotorEnabled=function(){return this.m_enableMotor},goog.exportProperty(box2d.b2PrismaticJoint.prototype,"IsMotorEnabled",box2d.b2PrismaticJoint.prototype.IsMotorEnabled),box2d.b2PrismaticJoint.prototype.EnableMotor=function(o){this.m_bodyA.SetAwake(!0),this.m_bodyB.SetAwake(!0),this.m_enableMotor=o},goog.exportProperty(box2d.b2PrismaticJoint.prototype,"EnableMotor",box2d.b2PrismaticJoint.prototype.EnableMotor),box2d.b2PrismaticJoint.prototype.SetMotorSpeed=function(o){this.m_bodyA.SetAwake(!0),this.m_bodyB.SetAwake(!0),this.m_motorSpeed=o},goog.exportProperty(box2d.b2PrismaticJoint.prototype,"SetMotorSpeed",box2d.b2PrismaticJoint.prototype.SetMotorSpeed),box2d.b2PrismaticJoint.prototype.GetMotorSpeed=function(){return this.m_motorSpeed},goog.exportProperty(box2d.b2PrismaticJoint.prototype,"GetMotorSpeed",box2d.b2PrismaticJoint.prototype.GetMotorSpeed),box2d.b2PrismaticJoint.prototype.SetMaxMotorForce=function(o){this.m_bodyA.SetAwake(!0),this.m_bodyB.SetAwake(!0),this.m_maxMotorForce=o},goog.exportProperty(box2d.b2PrismaticJoint.prototype,"SetMaxMotorForce",box2d.b2PrismaticJoint.prototype.SetMaxMotorForce),box2d.b2PrismaticJoint.prototype.GetMaxMotorForce=function(){return this.m_maxMotorForce},goog.exportProperty(box2d.b2PrismaticJoint.prototype,"GetMaxMotorForce",box2d.b2PrismaticJoint.prototype.GetMaxMotorForce),box2d.b2PrismaticJoint.prototype.GetMotorForce=function(o){return o*this.m_motorImpulse},goog.exportProperty(box2d.b2PrismaticJoint.prototype,"GetMotorForce",box2d.b2PrismaticJoint.prototype.GetMotorForce),box2d.b2PrismaticJoint.prototype.Dump=function(){if(box2d.DEBUG){var o=this.m_bodyA.m_islandIndex,t=this.m_bodyB.m_islandIndex;box2d.b2Log("  /*box2d.b2PrismaticJointDef*/ var jd = new box2d.b2PrismaticJointDef();\n"),box2d.b2Log("  jd.bodyA = bodies[%d];\n",o),box2d.b2Log("  jd.bodyB = bodies[%d];\n",t),box2d.b2Log("  jd.collideConnected = %s;\n",this.m_collideConnected?"true":"false"),box2d.b2Log("  jd.localAnchorA.Set(%.15f, %.15f);\n",this.m_localAnchorA.x,this.m_localAnchorA.y),box2d.b2Log("  jd.localAnchorB.Set(%.15f, %.15f);\n",this.m_localAnchorB.x,this.m_localAnchorB.y),box2d.b2Log("  jd.localAxisA.Set(%.15f, %.15f);\n",this.m_localXAxisA.x,this.m_localXAxisA.y),box2d.b2Log("  jd.referenceAngle = %.15f;\n",this.m_referenceAngle),box2d.b2Log("  jd.enableLimit = %s;\n",this.m_enableLimit?"true":"false"),box2d.b2Log("  jd.lowerTranslation = %.15f;\n",this.m_lowerTranslation),box2d.b2Log("  jd.upperTranslation = %.15f;\n",this.m_upperTranslation),box2d.b2Log("  jd.enableMotor = %s;\n",this.m_enableMotor?"true":"false"),box2d.b2Log("  jd.motorSpeed = %.15f;\n",this.m_motorSpeed),box2d.b2Log("  jd.maxMotorForce = %.15f;\n",this.m_maxMotorForce),box2d.b2Log("  joints[%d] = this.m_world.CreateJoint(jd);\n",this.m_index)}},goog.exportProperty(box2d.b2PrismaticJoint.prototype,"Dump",box2d.b2PrismaticJoint.prototype.Dump),box2d.b2_minPulleyLength=2,goog.exportSymbol("box2d.b2_minPulleyLength",box2d.b2_minPulleyLength),box2d.b2PulleyJointDef=function(){box2d.b2JointDef.call(this,box2d.b2JointType.e_pulleyJoint),this.collideConnected=!0,this.groundAnchorA=new box2d.b2Vec2(-1,1),this.groundAnchorB=new box2d.b2Vec2(1,1),this.localAnchorA=new box2d.b2Vec2(-1,0),this.localAnchorB=new box2d.b2Vec2(1,0)},goog.inherits(box2d.b2PulleyJointDef,box2d.b2JointDef),goog.exportSymbol("box2d.b2PulleyJointDef",box2d.b2PulleyJointDef),box2d.b2PulleyJointDef.prototype.groundAnchorA=null,goog.exportProperty(box2d.b2PulleyJointDef.prototype,"groundAnchorA",box2d.b2PulleyJointDef.prototype.groundAnchorA),box2d.b2PulleyJointDef.prototype.groundAnchorB=null,goog.exportProperty(box2d.b2PulleyJointDef.prototype,"groundAnchorB",box2d.b2PulleyJointDef.prototype.groundAnchorB),box2d.b2PulleyJointDef.prototype.localAnchorA=null,goog.exportProperty(box2d.b2PulleyJointDef.prototype,"localAnchorA",box2d.b2PulleyJointDef.prototype.localAnchorA),box2d.b2PulleyJointDef.prototype.localAnchorB=null,goog.exportProperty(box2d.b2PulleyJointDef.prototype,"localAnchorB",box2d.b2PulleyJointDef.prototype.localAnchorB),box2d.b2PulleyJointDef.prototype.lengthA=0,goog.exportProperty(box2d.b2PulleyJointDef.prototype,"lengthA",box2d.b2PulleyJointDef.prototype.lengthA),box2d.b2PulleyJointDef.prototype.lengthB=0,goog.exportProperty(box2d.b2PulleyJointDef.prototype,"lengthB",box2d.b2PulleyJointDef.prototype.lengthB),box2d.b2PulleyJointDef.prototype.ratio=1,goog.exportProperty(box2d.b2PulleyJointDef.prototype,"ratio",box2d.b2PulleyJointDef.prototype.ratio),box2d.b2PulleyJointDef.prototype.Initialize=function(o,t,e,r,i,n,p){this.bodyA=o,this.bodyB=t,this.groundAnchorA.Copy(e),this.groundAnchorB.Copy(r),this.bodyA.GetLocalPoint(i,this.localAnchorA),this.bodyB.GetLocalPoint(n,this.localAnchorB),this.lengthA=box2d.b2Distance(i,e),this.lengthB=box2d.b2Distance(n,r),this.ratio=p,box2d.ENABLE_ASSERTS&&box2d.b2Assert(this.ratio>box2d.b2_epsilon)},goog.exportProperty(box2d.b2PulleyJointDef.prototype,"Initialize",box2d.b2PulleyJointDef.prototype.Initialize),box2d.b2PulleyJoint=function(o){box2d.b2Joint.call(this,o),this.m_groundAnchorA=new box2d.b2Vec2,this.m_groundAnchorB=new box2d.b2Vec2,this.m_localAnchorA=new box2d.b2Vec2,this.m_localAnchorB=new box2d.b2Vec2,this.m_uA=new box2d.b2Vec2,this.m_uB=new box2d.b2Vec2,this.m_rA=new box2d.b2Vec2,this.m_rB=new box2d.b2Vec2,this.m_localCenterA=new box2d.b2Vec2,this.m_localCenterB=new box2d.b2Vec2,this.m_qA=new box2d.b2Rot,this.m_qB=new box2d.b2Rot,this.m_lalcA=new box2d.b2Vec2,this.m_lalcB=new box2d.b2Vec2,this.m_groundAnchorA.Copy(o.groundAnchorA),this.m_groundAnchorB.Copy(o.groundAnchorB),this.m_localAnchorA.Copy(o.localAnchorA),this.m_localAnchorB.Copy(o.localAnchorB),this.m_lengthA=o.lengthA,this.m_lengthB=o.lengthB,box2d.ENABLE_ASSERTS&&box2d.b2Assert(0!==o.ratio),this.m_ratio=o.ratio,this.m_constant=o.lengthA+this.m_ratio*o.lengthB,this.m_impulse=0},goog.inherits(box2d.b2PulleyJoint,box2d.b2Joint),goog.exportSymbol("box2d.b2PulleyJoint",box2d.b2PulleyJoint),box2d.b2PulleyJoint.prototype.m_groundAnchorA=null,goog.exportProperty(box2d.b2PulleyJoint.prototype,"m_groundAnchorA",box2d.b2PulleyJoint.prototype.m_groundAnchorA),box2d.b2PulleyJoint.prototype.m_groundAnchorB=null,goog.exportProperty(box2d.b2PulleyJoint.prototype,"m_groundAnchorB",box2d.b2PulleyJoint.prototype.m_groundAnchorB),box2d.b2PulleyJoint.prototype.m_lengthA=0,goog.exportProperty(box2d.b2PulleyJoint.prototype,"m_lengthA",box2d.b2PulleyJoint.prototype.m_lengthA),box2d.b2PulleyJoint.prototype.m_lengthB=0,goog.exportProperty(box2d.b2PulleyJoint.prototype,"m_lengthB",box2d.b2PulleyJoint.prototype.m_lengthB),box2d.b2PulleyJoint.prototype.m_localAnchorA=null,goog.exportProperty(box2d.b2PulleyJoint.prototype,"m_localAnchorA",box2d.b2PulleyJoint.prototype.m_localAnchorA),box2d.b2PulleyJoint.prototype.m_localAnchorB=null,goog.exportProperty(box2d.b2PulleyJoint.prototype,"m_localAnchorB",box2d.b2PulleyJoint.prototype.m_localAnchorB),box2d.b2PulleyJoint.prototype.m_constant=0,goog.exportProperty(box2d.b2PulleyJoint.prototype,"m_constant",box2d.b2PulleyJoint.prototype.m_constant),box2d.b2PulleyJoint.prototype.m_ratio=0,goog.exportProperty(box2d.b2PulleyJoint.prototype,"m_ratio",box2d.b2PulleyJoint.prototype.m_ratio),box2d.b2PulleyJoint.prototype.m_impulse=0,goog.exportProperty(box2d.b2PulleyJoint.prototype,"m_impulse",box2d.b2PulleyJoint.prototype.m_impulse),box2d.b2PulleyJoint.prototype.m_indexA=0,goog.exportProperty(box2d.b2PulleyJoint.prototype,"m_indexA",box2d.b2PulleyJoint.prototype.m_indexA),box2d.b2PulleyJoint.prototype.m_indexB=0,goog.exportProperty(box2d.b2PulleyJoint.prototype,"m_indexB",box2d.b2PulleyJoint.prototype.m_indexB),box2d.b2PulleyJoint.prototype.m_uA=null,goog.exportProperty(box2d.b2PulleyJoint.prototype,"m_uA",box2d.b2PulleyJoint.prototype.m_uA),box2d.b2PulleyJoint.prototype.m_uB=null,goog.exportProperty(box2d.b2PulleyJoint.prototype,"m_uB",box2d.b2PulleyJoint.prototype.m_uB),box2d.b2PulleyJoint.prototype.m_rA=null,goog.exportProperty(box2d.b2PulleyJoint.prototype,"m_rA",box2d.b2PulleyJoint.prototype.m_rA),box2d.b2PulleyJoint.prototype.m_rB=null,goog.exportProperty(box2d.b2PulleyJoint.prototype,"m_rB",box2d.b2PulleyJoint.prototype.m_rB),box2d.b2PulleyJoint.prototype.m_localCenterA=null,goog.exportProperty(box2d.b2PulleyJoint.prototype,"m_localCenterA",box2d.b2PulleyJoint.prototype.m_localCenterA),box2d.b2PulleyJoint.prototype.m_localCenterB=null,goog.exportProperty(box2d.b2PulleyJoint.prototype,"m_localCenterB",box2d.b2PulleyJoint.prototype.m_localCenterB),box2d.b2PulleyJoint.prototype.m_invMassA=0,goog.exportProperty(box2d.b2PulleyJoint.prototype,"m_invMassA",box2d.b2PulleyJoint.prototype.m_invMassA),box2d.b2PulleyJoint.prototype.m_invMassB=0,goog.exportProperty(box2d.b2PulleyJoint.prototype,"m_invMassB",box2d.b2PulleyJoint.prototype.m_invMassB),box2d.b2PulleyJoint.prototype.m_invIA=0,goog.exportProperty(box2d.b2PulleyJoint.prototype,"m_invIA",box2d.b2PulleyJoint.prototype.m_invIA),box2d.b2PulleyJoint.prototype.m_invIB=0,goog.exportProperty(box2d.b2PulleyJoint.prototype,"m_invIB",box2d.b2PulleyJoint.prototype.m_invIB),box2d.b2PulleyJoint.prototype.m_mass=0,goog.exportProperty(box2d.b2PulleyJoint.prototype,"m_mass",box2d.b2PulleyJoint.prototype.m_mass),box2d.b2PulleyJoint.prototype.m_qA=null,goog.exportProperty(box2d.b2PulleyJoint.prototype,"m_qA",box2d.b2PulleyJoint.prototype.m_qA),box2d.b2PulleyJoint.prototype.m_qB=null,goog.exportProperty(box2d.b2PulleyJoint.prototype,"m_qB",box2d.b2PulleyJoint.prototype.m_qB),box2d.b2PulleyJoint.prototype.m_lalcA=null,goog.exportProperty(box2d.b2PulleyJoint.prototype,"m_lalcA",box2d.b2PulleyJoint.prototype.m_lalcA),box2d.b2PulleyJoint.prototype.m_lalcB=null,goog.exportProperty(box2d.b2PulleyJoint.prototype,"m_lalcB",box2d.b2PulleyJoint.prototype.m_lalcB),box2d.b2PulleyJoint.prototype.InitVelocityConstraints=function(o){this.m_indexA=this.m_bodyA.m_islandIndex,this.m_indexB=this.m_bodyB.m_islandIndex,this.m_localCenterA.Copy(this.m_bodyA.m_sweep.localCenter),this.m_localCenterB.Copy(this.m_bodyB.m_sweep.localCenter),this.m_invMassA=this.m_bodyA.m_invMass,this.m_invMassB=this.m_bodyB.m_invMass,this.m_invIA=this.m_bodyA.m_invI,this.m_invIB=this.m_bodyB.m_invI;var t=o.positions[this.m_indexA].c,e=o.velocities[this.m_indexA].v,r=o.velocities[this.m_indexA].w,i=o.positions[this.m_indexB].c,n=o.positions[this.m_indexB].a,p=o.velocities[this.m_indexB].v,s=o.velocities[this.m_indexB].w,l=this.m_qA.SetAngle(o.positions[this.m_indexA].a);n=this.m_qB.SetAngle(n);box2d.b2Sub_V2_V2(this.m_localAnchorA,this.m_localCenterA,this.m_lalcA),box2d.b2Mul_R_V2(l,this.m_lalcA,this.m_rA),box2d.b2Sub_V2_V2(this.m_localAnchorB,this.m_localCenterB,this.m_lalcB),box2d.b2Mul_R_V2(n,this.m_lalcB,this.m_rB),this.m_uA.Copy(t).SelfAdd(this.m_rA).SelfSub(this.m_groundAnchorA),this.m_uB.Copy(i).SelfAdd(this.m_rB).SelfSub(this.m_groundAnchorB),t=this.m_uA.Length(),i=this.m_uB.Length(),t>10*box2d.b2_linearSlop?this.m_uA.SelfMul(1/t):this.m_uA.SetZero(),i>10*box2d.b2_linearSlop?this.m_uB.SelfMul(1/i):this.m_uB.SetZero(),t=box2d.b2Cross_V2_V2(this.m_rA,this.m_uA),i=box2d.b2Cross_V2_V2(this.m_rB,this.m_uB),this.m_mass=this.m_invMassA+this.m_invIA*t*t+this.m_ratio*this.m_ratio*(this.m_invMassB+this.m_invIB*i*i),0<this.m_mass&&(this.m_mass=1/this.m_mass),o.step.warmStarting?(this.m_impulse*=o.step.dtRatio,t=box2d.b2Mul_S_V2(-this.m_impulse,this.m_uA,box2d.b2PulleyJoint.prototype.InitVelocityConstraints.s_PA),i=box2d.b2Mul_S_V2(-this.m_ratio*this.m_impulse,this.m_uB,box2d.b2PulleyJoint.prototype.InitVelocityConstraints.s_PB),e.SelfMulAdd(this.m_invMassA,t),r+=this.m_invIA*box2d.b2Cross_V2_V2(this.m_rA,t),p.SelfMulAdd(this.m_invMassB,i),s+=this.m_invIB*box2d.b2Cross_V2_V2(this.m_rB,i)):this.m_impulse=0,o.velocities[this.m_indexA].w=r,o.velocities[this.m_indexB].w=s},goog.exportProperty(box2d.b2PulleyJoint.prototype,"InitVelocityConstraints",box2d.b2PulleyJoint.prototype.InitVelocityConstraints),box2d.b2PulleyJoint.prototype.InitVelocityConstraints.s_PA=new box2d.b2Vec2,box2d.b2PulleyJoint.prototype.InitVelocityConstraints.s_PB=new box2d.b2Vec2,box2d.b2PulleyJoint.prototype.SolveVelocityConstraints=function(o){var t=o.velocities[this.m_indexA].v,e=o.velocities[this.m_indexA].w,r=o.velocities[this.m_indexB].v,i=o.velocities[this.m_indexB].w,n=box2d.b2AddCross_V2_S_V2(t,e,this.m_rA,box2d.b2PulleyJoint.prototype.SolveVelocityConstraints.s_vpA),p=box2d.b2AddCross_V2_S_V2(r,i,this.m_rB,box2d.b2PulleyJoint.prototype.SolveVelocityConstraints.s_vpB);n=-box2d.b2Dot_V2_V2(this.m_uA,n)-this.m_ratio*box2d.b2Dot_V2_V2(this.m_uB,p),p=-this.m_mass*n;this.m_impulse+=p,n=box2d.b2Mul_S_V2(-p,this.m_uA,box2d.b2PulleyJoint.prototype.SolveVelocityConstraints.s_PA),p=box2d.b2Mul_S_V2(-this.m_ratio*p,this.m_uB,box2d.b2PulleyJoint.prototype.SolveVelocityConstraints.s_PB),t.SelfMulAdd(this.m_invMassA,n),e+=this.m_invIA*box2d.b2Cross_V2_V2(this.m_rA,n),r.SelfMulAdd(this.m_invMassB,p),i+=this.m_invIB*box2d.b2Cross_V2_V2(this.m_rB,p),o.velocities[this.m_indexA].w=e,o.velocities[this.m_indexB].w=i},goog.exportProperty(box2d.b2PulleyJoint.prototype,"SolveVelocityConstraints",box2d.b2PulleyJoint.prototype.SolveVelocityConstraints),box2d.b2PulleyJoint.prototype.SolveVelocityConstraints.s_vpA=new box2d.b2Vec2,box2d.b2PulleyJoint.prototype.SolveVelocityConstraints.s_vpB=new box2d.b2Vec2,box2d.b2PulleyJoint.prototype.SolveVelocityConstraints.s_PA=new box2d.b2Vec2,box2d.b2PulleyJoint.prototype.SolveVelocityConstraints.s_PB=new box2d.b2Vec2,box2d.b2PulleyJoint.prototype.SolvePositionConstraints=function(o){var t=o.positions[this.m_indexA].c,e=o.positions[this.m_indexA].a,r=o.positions[this.m_indexB].c,i=o.positions[this.m_indexB].a,n=this.m_qA.SetAngle(e),p=this.m_qB.SetAngle(i);box2d.b2Sub_V2_V2(this.m_localAnchorA,this.m_localCenterA,this.m_lalcA),n=box2d.b2Mul_R_V2(n,this.m_lalcA,this.m_rA),box2d.b2Sub_V2_V2(this.m_localAnchorB,this.m_localCenterB,this.m_lalcB);p=box2d.b2Mul_R_V2(p,this.m_lalcB,this.m_rB);var s=this.m_uA.Copy(t).SelfAdd(n).SelfSub(this.m_groundAnchorA),l=this.m_uB.Copy(r).SelfAdd(p).SelfSub(this.m_groundAnchorB),x=s.Length(),y=l.Length();x>10*box2d.b2_linearSlop?s.SelfMul(1/x):s.SetZero(),y>10*box2d.b2_linearSlop?l.SelfMul(1/y):l.SetZero();var _=box2d.b2Cross_V2_V2(n,s),m=box2d.b2Cross_V2_V2(p,l);return 0<(_=this.m_invMassA+this.m_invIA*_*_+this.m_ratio*this.m_ratio*(this.m_invMassB+this.m_invIB*m*m))&&(_=1/_),y=this.m_constant-x-this.m_ratio*y,x=box2d.b2Abs(y),y*=-_,s=box2d.b2Mul_S_V2(-y,s,box2d.b2PulleyJoint.prototype.SolvePositionConstraints.s_PA),l=box2d.b2Mul_S_V2(-this.m_ratio*y,l,box2d.b2PulleyJoint.prototype.SolvePositionConstraints.s_PB),t.SelfMulAdd(this.m_invMassA,s),e+=this.m_invIA*box2d.b2Cross_V2_V2(n,s),r.SelfMulAdd(this.m_invMassB,l),i+=this.m_invIB*box2d.b2Cross_V2_V2(p,l),o.positions[this.m_indexA].a=e,o.positions[this.m_indexB].a=i,x<box2d.b2_linearSlop},goog.exportProperty(box2d.b2PulleyJoint.prototype,"SolvePositionConstraints",box2d.b2PulleyJoint.prototype.SolvePositionConstraints),box2d.b2PulleyJoint.prototype.SolvePositionConstraints.s_PA=new box2d.b2Vec2,box2d.b2PulleyJoint.prototype.SolvePositionConstraints.s_PB=new box2d.b2Vec2,box2d.b2PulleyJoint.prototype.GetAnchorA=function(o){return this.m_bodyA.GetWorldPoint(this.m_localAnchorA,o)},goog.exportProperty(box2d.b2PulleyJoint.prototype,"GetAnchorA",box2d.b2PulleyJoint.prototype.GetAnchorA),box2d.b2PulleyJoint.prototype.GetAnchorB=function(o){return this.m_bodyB.GetWorldPoint(this.m_localAnchorB,o)},goog.exportProperty(box2d.b2PulleyJoint.prototype,"GetAnchorB",box2d.b2PulleyJoint.prototype.GetAnchorB),box2d.b2PulleyJoint.prototype.GetReactionForce=function(o,t){return t.Set(o*this.m_impulse*this.m_uB.x,o*this.m_impulse*this.m_uB.y)},goog.exportProperty(box2d.b2PulleyJoint.prototype,"GetReactionForce",box2d.b2PulleyJoint.prototype.GetReactionForce),box2d.b2PulleyJoint.prototype.GetReactionTorque=function(o){return 0},goog.exportProperty(box2d.b2PulleyJoint.prototype,"GetReactionTorque",box2d.b2PulleyJoint.prototype.GetReactionTorque),box2d.b2PulleyJoint.prototype.GetGroundAnchorA=function(o){return o.Copy(this.m_groundAnchorA)},goog.exportProperty(box2d.b2PulleyJoint.prototype,"GetGroundAnchorA",box2d.b2PulleyJoint.prototype.GetGroundAnchorA),box2d.b2PulleyJoint.prototype.GetGroundAnchorB=function(o){return o.Copy(this.m_groundAnchorB)},goog.exportProperty(box2d.b2PulleyJoint.prototype,"GetGroundAnchorB",box2d.b2PulleyJoint.prototype.GetGroundAnchorB),box2d.b2PulleyJoint.prototype.GetLengthA=function(){return this.m_lengthA},goog.exportProperty(box2d.b2PulleyJoint.prototype,"GetLengthA",box2d.b2PulleyJoint.prototype.GetLengthA),box2d.b2PulleyJoint.prototype.GetLengthB=function(){return this.m_lengthB},goog.exportProperty(box2d.b2PulleyJoint.prototype,"GetLengthB",box2d.b2PulleyJoint.prototype.GetLengthB),box2d.b2PulleyJoint.prototype.GetRatio=function(){return this.m_ratio},goog.exportProperty(box2d.b2PulleyJoint.prototype,"GetRatio",box2d.b2PulleyJoint.prototype.GetRatio),box2d.b2PulleyJoint.prototype.GetCurrentLengthA=function(){var o=this.m_bodyA.GetWorldPoint(this.m_localAnchorA,box2d.b2PulleyJoint.prototype.GetCurrentLengthA.s_p);return box2d.b2Distance(o,this.m_groundAnchorA)},goog.exportProperty(box2d.b2PulleyJoint.prototype,"GetCurrentLengthA",box2d.b2PulleyJoint.prototype.GetCurrentLengthA),box2d.b2PulleyJoint.prototype.GetCurrentLengthA.s_p=new box2d.b2Vec2,box2d.b2PulleyJoint.prototype.GetCurrentLengthB=function(){var o=this.m_bodyB.GetWorldPoint(this.m_localAnchorB,box2d.b2PulleyJoint.prototype.GetCurrentLengthB.s_p);return box2d.b2Distance(o,this.m_groundAnchorB)},goog.exportProperty(box2d.b2PulleyJoint.prototype,"GetCurrentLengthB",box2d.b2PulleyJoint.prototype.GetCurrentLengthB),box2d.b2PulleyJoint.prototype.GetCurrentLengthB.s_p=new box2d.b2Vec2,box2d.b2PulleyJoint.prototype.Dump=function(){if(box2d.DEBUG){var o=this.m_bodyA.m_islandIndex,t=this.m_bodyB.m_islandIndex;box2d.b2Log("  /*box2d.b2PulleyJointDef*/ var jd = new box2d.b2PulleyJointDef();\n"),box2d.b2Log("  jd.bodyA = bodies[%d];\n",o),box2d.b2Log("  jd.bodyB = bodies[%d];\n",t),box2d.b2Log("  jd.collideConnected = %s;\n",this.m_collideConnected?"true":"false"),box2d.b2Log("  jd.groundAnchorA.Set(%.15f, %.15f);\n",this.m_groundAnchorA.x,this.m_groundAnchorA.y),box2d.b2Log("  jd.groundAnchorB.Set(%.15f, %.15f);\n",this.m_groundAnchorB.x,this.m_groundAnchorB.y),box2d.b2Log("  jd.localAnchorA.Set(%.15f, %.15f);\n",this.m_localAnchorA.x,this.m_localAnchorA.y),box2d.b2Log("  jd.localAnchorB.Set(%.15f, %.15f);\n",this.m_localAnchorB.x,this.m_localAnchorB.y),box2d.b2Log("  jd.lengthA = %.15f;\n",this.m_lengthA),box2d.b2Log("  jd.lengthB = %.15f;\n",this.m_lengthB),box2d.b2Log("  jd.ratio = %.15f;\n",this.m_ratio),box2d.b2Log("  joints[%d] = this.m_world.CreateJoint(jd);\n",this.m_index)}},goog.exportProperty(box2d.b2PulleyJoint.prototype,"Dump",box2d.b2PulleyJoint.prototype.Dump),box2d.b2PulleyJoint.prototype.ShiftOrigin=function(o){this.m_groundAnchorA.SelfSub(o),this.m_groundAnchorB.SelfSub(o)},goog.exportProperty(box2d.b2PulleyJoint.prototype,"ShiftOrigin",box2d.b2PulleyJoint.prototype.ShiftOrigin),box2d.b2RevoluteJointDef=function(){box2d.b2JointDef.call(this,box2d.b2JointType.e_revoluteJoint),this.localAnchorA=new box2d.b2Vec2(0,0),this.localAnchorB=new box2d.b2Vec2(0,0)},goog.inherits(box2d.b2RevoluteJointDef,box2d.b2JointDef),goog.exportSymbol("box2d.b2RevoluteJointDef",box2d.b2RevoluteJointDef),box2d.b2RevoluteJointDef.prototype.localAnchorA=null,goog.exportProperty(box2d.b2RevoluteJointDef.prototype,"localAnchorA",box2d.b2RevoluteJointDef.prototype.localAnchorA),box2d.b2RevoluteJointDef.prototype.localAnchorB=null,goog.exportProperty(box2d.b2RevoluteJointDef.prototype,"localAnchorB",box2d.b2RevoluteJointDef.prototype.localAnchorB),box2d.b2RevoluteJointDef.prototype.referenceAngle=0,goog.exportProperty(box2d.b2RevoluteJointDef.prototype,"referenceAngle",box2d.b2RevoluteJointDef.prototype.referenceAngle),box2d.b2RevoluteJointDef.prototype.enableLimit=!1,goog.exportProperty(box2d.b2RevoluteJointDef.prototype,"enableLimit",box2d.b2RevoluteJointDef.prototype.enableLimit),box2d.b2RevoluteJointDef.prototype.lowerAngle=0,goog.exportProperty(box2d.b2RevoluteJointDef.prototype,"lowerAngle",box2d.b2RevoluteJointDef.prototype.lowerAngle),box2d.b2RevoluteJointDef.prototype.upperAngle=0,goog.exportProperty(box2d.b2RevoluteJointDef.prototype,"upperAngle",box2d.b2RevoluteJointDef.prototype.upperAngle),box2d.b2RevoluteJointDef.prototype.enableMotor=!1,goog.exportProperty(box2d.b2RevoluteJointDef.prototype,"enableMotor",box2d.b2RevoluteJointDef.prototype.enableMotor),box2d.b2RevoluteJointDef.prototype.motorSpeed=0,goog.exportProperty(box2d.b2RevoluteJointDef.prototype,"motorSpeed",box2d.b2RevoluteJointDef.prototype.motorSpeed),box2d.b2RevoluteJointDef.prototype.maxMotorTorque=0,goog.exportProperty(box2d.b2RevoluteJointDef.prototype,"maxMotorTorque",box2d.b2RevoluteJointDef.prototype.maxMotorTorque),box2d.b2RevoluteJointDef.prototype.Initialize=function(o,t,e){this.bodyA=o,this.bodyB=t,this.bodyA.GetLocalPoint(e,this.localAnchorA),this.bodyB.GetLocalPoint(e,this.localAnchorB),this.referenceAngle=this.bodyB.GetAngle()-this.bodyA.GetAngle()},goog.exportProperty(box2d.b2RevoluteJointDef.prototype,"Initialize",box2d.b2RevoluteJointDef.prototype.Initialize),box2d.b2RevoluteJoint=function(o){box2d.b2Joint.call(this,o),this.m_localAnchorA=new box2d.b2Vec2,this.m_localAnchorB=new box2d.b2Vec2,this.m_impulse=new box2d.b2Vec3,this.m_rA=new box2d.b2Vec2,this.m_rB=new box2d.b2Vec2,this.m_localCenterA=new box2d.b2Vec2,this.m_localCenterB=new box2d.b2Vec2,this.m_mass=new box2d.b2Mat33,this.m_qA=new box2d.b2Rot,this.m_qB=new box2d.b2Rot,this.m_lalcA=new box2d.b2Vec2,this.m_lalcB=new box2d.b2Vec2,this.m_K=new box2d.b2Mat22,this.m_localAnchorA.Copy(o.localAnchorA),this.m_localAnchorB.Copy(o.localAnchorB),this.m_referenceAngle=o.referenceAngle,this.m_impulse.SetZero(),this.m_motorImpulse=0,this.m_lowerAngle=o.lowerAngle,this.m_upperAngle=o.upperAngle,this.m_maxMotorTorque=o.maxMotorTorque,this.m_motorSpeed=o.motorSpeed,this.m_enableLimit=o.enableLimit,this.m_enableMotor=o.enableMotor,this.m_limitState=box2d.b2LimitState.e_inactiveLimit},goog.inherits(box2d.b2RevoluteJoint,box2d.b2Joint),goog.exportSymbol("box2d.b2RevoluteJoint",box2d.b2RevoluteJoint),box2d.b2RevoluteJoint.prototype.m_localAnchorA=null,goog.exportProperty(box2d.b2RevoluteJoint.prototype,"m_localAnchorA",box2d.b2RevoluteJoint.prototype.m_localAnchorA),box2d.b2RevoluteJoint.prototype.m_localAnchorB=null,goog.exportProperty(box2d.b2RevoluteJoint.prototype,"m_localAnchorB",box2d.b2RevoluteJoint.prototype.m_localAnchorB),box2d.b2RevoluteJoint.prototype.m_impulse=null,goog.exportProperty(box2d.b2RevoluteJoint.prototype,"m_impulse",box2d.b2RevoluteJoint.prototype.m_impulse),box2d.b2RevoluteJoint.prototype.m_motorImpulse=0,goog.exportProperty(box2d.b2RevoluteJoint.prototype,"m_motorImpulse",box2d.b2RevoluteJoint.prototype.m_motorImpulse),box2d.b2RevoluteJoint.prototype.m_enableMotor=!1,goog.exportProperty(box2d.b2RevoluteJoint.prototype,"m_enableMotor",box2d.b2RevoluteJoint.prototype.m_enableMotor),box2d.b2RevoluteJoint.prototype.m_maxMotorTorque=0,goog.exportProperty(box2d.b2RevoluteJoint.prototype,"m_maxMotorTorque",box2d.b2RevoluteJoint.prototype.m_maxMotorTorque),box2d.b2RevoluteJoint.prototype.m_motorSpeed=0,goog.exportProperty(box2d.b2RevoluteJoint.prototype,"m_motorSpeed",box2d.b2RevoluteJoint.prototype.m_motorSpeed),box2d.b2RevoluteJoint.prototype.m_enableLimit=!1,goog.exportProperty(box2d.b2RevoluteJoint.prototype,"m_enableLimit",box2d.b2RevoluteJoint.prototype.m_enableLimit),box2d.b2RevoluteJoint.prototype.m_referenceAngle=0,goog.exportProperty(box2d.b2RevoluteJoint.prototype,"m_referenceAngle",box2d.b2RevoluteJoint.prototype.m_referenceAngle),box2d.b2RevoluteJoint.prototype.m_lowerAngle=0,goog.exportProperty(box2d.b2RevoluteJoint.prototype,"m_lowerAngle",box2d.b2RevoluteJoint.prototype.m_lowerAngle),box2d.b2RevoluteJoint.prototype.m_upperAngle=0,goog.exportProperty(box2d.b2RevoluteJoint.prototype,"m_upperAngle",box2d.b2RevoluteJoint.prototype.m_upperAngle),box2d.b2RevoluteJoint.prototype.m_indexA=0,goog.exportProperty(box2d.b2RevoluteJoint.prototype,"m_indexA",box2d.b2RevoluteJoint.prototype.m_indexA),box2d.b2RevoluteJoint.prototype.m_indexB=0,goog.exportProperty(box2d.b2RevoluteJoint.prototype,"m_indexB",box2d.b2RevoluteJoint.prototype.m_indexB),box2d.b2RevoluteJoint.prototype.m_rA=null,goog.exportProperty(box2d.b2RevoluteJoint.prototype,"m_rA",box2d.b2RevoluteJoint.prototype.m_rA),box2d.b2RevoluteJoint.prototype.m_rB=null,goog.exportProperty(box2d.b2RevoluteJoint.prototype,"m_rB",box2d.b2RevoluteJoint.prototype.m_rB),box2d.b2RevoluteJoint.prototype.m_localCenterA=null,goog.exportProperty(box2d.b2RevoluteJoint.prototype,"m_localCenterA",box2d.b2RevoluteJoint.prototype.m_localCenterA),box2d.b2RevoluteJoint.prototype.m_localCenterB=null,goog.exportProperty(box2d.b2RevoluteJoint.prototype,"m_localCenterB",box2d.b2RevoluteJoint.prototype.m_localCenterB),box2d.b2RevoluteJoint.prototype.m_invMassA=0,goog.exportProperty(box2d.b2RevoluteJoint.prototype,"m_invMassA",box2d.b2RevoluteJoint.prototype.m_invMassA),box2d.b2RevoluteJoint.prototype.m_invMassB=0,goog.exportProperty(box2d.b2RevoluteJoint.prototype,"m_invMassB",box2d.b2RevoluteJoint.prototype.m_invMassB),box2d.b2RevoluteJoint.prototype.m_invIA=0,goog.exportProperty(box2d.b2RevoluteJoint.prototype,"m_invIA",box2d.b2RevoluteJoint.prototype.m_invIA),box2d.b2RevoluteJoint.prototype.m_invIB=0,goog.exportProperty(box2d.b2RevoluteJoint.prototype,"m_invIB",box2d.b2RevoluteJoint.prototype.m_invIB),box2d.b2RevoluteJoint.prototype.m_mass=null,goog.exportProperty(box2d.b2RevoluteJoint.prototype,"m_mass",box2d.b2RevoluteJoint.prototype.m_mass),box2d.b2RevoluteJoint.prototype.m_motorMass=0,goog.exportProperty(box2d.b2RevoluteJoint.prototype,"m_motorMass",box2d.b2RevoluteJoint.prototype.m_motorMass),box2d.b2RevoluteJoint.prototype.m_limitState=box2d.b2LimitState.e_inactiveLimit,goog.exportProperty(box2d.b2RevoluteJoint.prototype,"m_limitState",box2d.b2RevoluteJoint.prototype.m_limitState),box2d.b2RevoluteJoint.prototype.m_qA=null,goog.exportProperty(box2d.b2RevoluteJoint.prototype,"m_qA",box2d.b2RevoluteJoint.prototype.m_qA),box2d.b2RevoluteJoint.prototype.m_qB=null,goog.exportProperty(box2d.b2RevoluteJoint.prototype,"m_qB",box2d.b2RevoluteJoint.prototype.m_qB),box2d.b2RevoluteJoint.prototype.m_lalcA=null,goog.exportProperty(box2d.b2RevoluteJoint.prototype,"m_lalcA",box2d.b2RevoluteJoint.prototype.m_lalcA),box2d.b2RevoluteJoint.prototype.m_lalcB=null,goog.exportProperty(box2d.b2RevoluteJoint.prototype,"m_lalcB",box2d.b2RevoluteJoint.prototype.m_lalcB),box2d.b2RevoluteJoint.prototype.m_K=null,goog.exportProperty(box2d.b2RevoluteJoint.prototype,"m_K",box2d.b2RevoluteJoint.prototype.m_K),box2d.b2RevoluteJoint.prototype.InitVelocityConstraints=function(o){this.m_indexA=this.m_bodyA.m_islandIndex,this.m_indexB=this.m_bodyB.m_islandIndex,this.m_localCenterA.Copy(this.m_bodyA.m_sweep.localCenter),this.m_localCenterB.Copy(this.m_bodyB.m_sweep.localCenter),this.m_invMassA=this.m_bodyA.m_invMass,this.m_invMassB=this.m_bodyB.m_invMass,this.m_invIA=this.m_bodyA.m_invI,this.m_invIB=this.m_bodyB.m_invI;var t=o.positions[this.m_indexA].a,e=o.velocities[this.m_indexA].v,r=o.velocities[this.m_indexA].w,i=o.positions[this.m_indexB].a,n=o.velocities[this.m_indexB].v,p=o.velocities[this.m_indexB].w,s=this.m_qA.SetAngle(t),l=this.m_qB.SetAngle(i);box2d.b2Sub_V2_V2(this.m_localAnchorA,this.m_localCenterA,this.m_lalcA),box2d.b2Mul_R_V2(s,this.m_lalcA,this.m_rA),box2d.b2Sub_V2_V2(this.m_localAnchorB,this.m_localCenterB,this.m_lalcB),box2d.b2Mul_R_V2(l,this.m_lalcB,this.m_rB);s=this.m_invMassA,l=this.m_invMassB;var x=this.m_invIA,y=this.m_invIB,_=0===x+y;this.m_mass.ex.x=s+l+this.m_rA.y*this.m_rA.y*x+this.m_rB.y*this.m_rB.y*y,this.m_mass.ey.x=-this.m_rA.y*this.m_rA.x*x-this.m_rB.y*this.m_rB.x*y,this.m_mass.ez.x=-this.m_rA.y*x-this.m_rB.y*y,this.m_mass.ex.y=this.m_mass.ey.x,this.m_mass.ey.y=s+l+this.m_rA.x*this.m_rA.x*x+this.m_rB.x*this.m_rB.x*y,this.m_mass.ez.y=this.m_rA.x*x+this.m_rB.x*y,this.m_mass.ex.z=this.m_mass.ez.x,this.m_mass.ey.z=this.m_mass.ez.y,this.m_mass.ez.z=x+y,this.m_motorMass=x+y,0<this.m_motorMass&&(this.m_motorMass=1/this.m_motorMass),this.m_enableMotor&&!_||(this.m_motorImpulse=0),this.m_enableLimit&&!_?(t=i-t-this.m_referenceAngle,box2d.b2Abs(this.m_upperAngle-this.m_lowerAngle)<2*box2d.b2_angularSlop?this.m_limitState=box2d.b2LimitState.e_equalLimits:t<=this.m_lowerAngle?(this.m_limitState!==box2d.b2LimitState.e_atLowerLimit&&(this.m_impulse.z=0),this.m_limitState=box2d.b2LimitState.e_atLowerLimit):t>=this.m_upperAngle?(this.m_limitState!==box2d.b2LimitState.e_atUpperLimit&&(this.m_impulse.z=0),this.m_limitState=box2d.b2LimitState.e_atUpperLimit):(this.m_limitState=box2d.b2LimitState.e_inactiveLimit,this.m_impulse.z=0)):this.m_limitState=box2d.b2LimitState.e_inactiveLimit,o.step.warmStarting?(this.m_impulse.SelfMulScalar(o.step.dtRatio),this.m_motorImpulse*=o.step.dtRatio,t=box2d.b2RevoluteJoint.prototype.InitVelocityConstraints.s_P.Set(this.m_impulse.x,this.m_impulse.y),e.SelfMulSub(s,t),r-=x*(box2d.b2Cross_V2_V2(this.m_rA,t)+this.m_motorImpulse+this.m_impulse.z),n.SelfMulAdd(l,t),p+=y*(box2d.b2Cross_V2_V2(this.m_rB,t)+this.m_motorImpulse+this.m_impulse.z)):(this.m_impulse.SetZero(),this.m_motorImpulse=0),o.velocities[this.m_indexA].w=r,o.velocities[this.m_indexB].w=p},goog.exportProperty(box2d.b2RevoluteJoint.prototype,"InitVelocityConstraints",box2d.b2RevoluteJoint.prototype.InitVelocityConstraints),box2d.b2RevoluteJoint.prototype.InitVelocityConstraints.s_P=new box2d.b2Vec2,box2d.b2RevoluteJoint.prototype.SolveVelocityConstraints=function(o){var t=o.velocities[this.m_indexA].v,e=o.velocities[this.m_indexA].w,r=o.velocities[this.m_indexB].v,i=o.velocities[this.m_indexB].w,n=this.m_invMassA,p=this.m_invMassB,s=this.m_invIA,l=this.m_invIB,x=0===s+l;if(this.m_enableMotor&&this.m_limitState!==box2d.b2LimitState.e_equalLimits&&!x){var y=i-e-this.m_motorSpeed,_=(y=-this.m_motorMass*y,this.m_motorImpulse),m=o.step.dt*this.m_maxMotorTorque;this.m_motorImpulse=box2d.b2Clamp(this.m_motorImpulse+y,-m,m),e-=s*(y=this.m_motorImpulse-_),i+=l*y}this.m_enableLimit&&this.m_limitState!==box2d.b2LimitState.e_inactiveLimit&&!x?(x=box2d.b2Sub_V2_V2(box2d.b2AddCross_V2_S_V2(r,i,this.m_rB,box2d.b2Vec2.s_t0),box2d.b2AddCross_V2_S_V2(t,e,this.m_rA,box2d.b2Vec2.s_t1),box2d.b2RevoluteJoint.prototype.SolveVelocityConstraints.s_Cdot1),y=this.m_mass.Solve33(x.x,x.y,i-e,box2d.b2RevoluteJoint.prototype.SolveVelocityConstraints.s_impulse3).SelfNeg(),this.m_limitState===box2d.b2LimitState.e_equalLimits?this.m_impulse.SelfAdd(y):this.m_limitState===box2d.b2LimitState.e_atLowerLimit?0>(_=this.m_impulse.z+y.z)?(_=-x.x+this.m_impulse.z*this.m_mass.ez.x,x=-x.y+this.m_impulse.z*this.m_mass.ez.y,x=this.m_mass.Solve22(_,x,box2d.b2RevoluteJoint.prototype.SolveVelocityConstraints.s_reduced),y.x=x.x,y.y=x.y,y.z=-this.m_impulse.z,this.m_impulse.x+=x.x,this.m_impulse.y+=x.y,this.m_impulse.z=0):this.m_impulse.SelfAdd(y):this.m_limitState===box2d.b2LimitState.e_atUpperLimit&&(0<(_=this.m_impulse.z+y.z)?(_=-x.x+this.m_impulse.z*this.m_mass.ez.x,x=-x.y+this.m_impulse.z*this.m_mass.ez.y,x=this.m_mass.Solve22(_,x,box2d.b2RevoluteJoint.prototype.SolveVelocityConstraints.s_reduced),y.x=x.x,y.y=x.y,y.z=-this.m_impulse.z,this.m_impulse.x+=x.x,this.m_impulse.y+=x.y,this.m_impulse.z=0):this.m_impulse.SelfAdd(y)),x=box2d.b2RevoluteJoint.prototype.SolveVelocityConstraints.s_P.Set(y.x,y.y),t.SelfMulSub(n,x),e-=s*(box2d.b2Cross_V2_V2(this.m_rA,x)+y.z),r.SelfMulAdd(p,x),i+=l*(box2d.b2Cross_V2_V2(this.m_rB,x)+y.z)):(y=box2d.b2Sub_V2_V2(box2d.b2AddCross_V2_S_V2(r,i,this.m_rB,box2d.b2Vec2.s_t0),box2d.b2AddCross_V2_S_V2(t,e,this.m_rA,box2d.b2Vec2.s_t1),box2d.b2RevoluteJoint.prototype.SolveVelocityConstraints.s_Cdot),y=this.m_mass.Solve22(-y.x,-y.y,box2d.b2RevoluteJoint.prototype.SolveVelocityConstraints.s_impulse2),this.m_impulse.x+=y.x,this.m_impulse.y+=y.y,t.SelfMulSub(n,y),e-=s*box2d.b2Cross_V2_V2(this.m_rA,y),r.SelfMulAdd(p,y),i+=l*box2d.b2Cross_V2_V2(this.m_rB,y)),o.velocities[this.m_indexA].w=e,o.velocities[this.m_indexB].w=i},goog.exportProperty(box2d.b2RevoluteJoint.prototype,"SolveVelocityConstraints",box2d.b2RevoluteJoint.prototype.SolveVelocityConstraints),box2d.b2RevoluteJoint.prototype.SolveVelocityConstraints.s_P=new box2d.b2Vec2,box2d.b2RevoluteJoint.prototype.SolveVelocityConstraints.s_Cdot=new box2d.b2Vec2,box2d.b2RevoluteJoint.prototype.SolveVelocityConstraints.s_Cdot1=new box2d.b2Vec2,box2d.b2RevoluteJoint.prototype.SolveVelocityConstraints.s_impulse3=new box2d.b2Vec3,box2d.b2RevoluteJoint.prototype.SolveVelocityConstraints.s_reduced=new box2d.b2Vec2,box2d.b2RevoluteJoint.prototype.SolveVelocityConstraints.s_impulse2=new box2d.b2Vec2,box2d.b2RevoluteJoint.prototype.SolvePositionConstraints=function(o){var t=o.positions[this.m_indexA].c,e=o.positions[this.m_indexA].a,r=o.positions[this.m_indexB].c,i=o.positions[this.m_indexB].a,n=this.m_qA.SetAngle(e),p=this.m_qB.SetAngle(i),s=0,l=0;l=0===this.m_invIA+this.m_invIB;if(this.m_enableLimit&&this.m_limitState!==box2d.b2LimitState.e_inactiveLimit&&!l){var x=i-e-this.m_referenceAngle;l=0;this.m_limitState===box2d.b2LimitState.e_equalLimits?(x=box2d.b2Clamp(x-this.m_lowerAngle,-box2d.b2_maxAngularCorrection,box2d.b2_maxAngularCorrection),l=-this.m_motorMass*x,s=box2d.b2Abs(x)):this.m_limitState===box2d.b2LimitState.e_atLowerLimit?(s=-(x-=this.m_lowerAngle),x=box2d.b2Clamp(x+box2d.b2_angularSlop,-box2d.b2_maxAngularCorrection,0),l=-this.m_motorMass*x):this.m_limitState===box2d.b2LimitState.e_atUpperLimit&&(s=x-=this.m_upperAngle,x=box2d.b2Clamp(x-box2d.b2_angularSlop,0,box2d.b2_maxAngularCorrection),l=-this.m_motorMass*x),e-=this.m_invIA*l,i+=this.m_invIB*l}n.SetAngle(e),p.SetAngle(i),box2d.b2Sub_V2_V2(this.m_localAnchorA,this.m_localCenterA,this.m_lalcA),n=box2d.b2Mul_R_V2(n,this.m_lalcA,this.m_rA),box2d.b2Sub_V2_V2(this.m_localAnchorB,this.m_localCenterB,this.m_lalcB);p=box2d.b2Mul_R_V2(p,this.m_lalcB,this.m_rB),l=(x=box2d.b2Sub_V2_V2(box2d.b2Add_V2_V2(r,p,box2d.b2Vec2.s_t0),box2d.b2Add_V2_V2(t,n,box2d.b2Vec2.s_t1),box2d.b2RevoluteJoint.prototype.SolvePositionConstraints.s_C)).Length();var y=this.m_invMassA,_=this.m_invMassB,m=this.m_invIA,u=this.m_invIB,h=this.m_K;return h.ex.x=y+_+m*n.y*n.y+u*p.y*p.y,h.ex.y=-m*n.x*n.y-u*p.x*p.y,h.ey.x=h.ex.y,h.ey.y=y+_+m*n.x*n.x+u*p.x*p.x,x=h.Solve(x.x,x.y,box2d.b2RevoluteJoint.prototype.SolvePositionConstraints.s_impulse).SelfNeg(),t.SelfMulSub(y,x),e-=m*box2d.b2Cross_V2_V2(n,x),r.SelfMulAdd(_,x),i+=u*box2d.b2Cross_V2_V2(p,x),o.positions[this.m_indexA].a=e,o.positions[this.m_indexB].a=i,l<=box2d.b2_linearSlop&&s<=box2d.b2_angularSlop},goog.exportProperty(box2d.b2RevoluteJoint.prototype,"SolvePositionConstraints",box2d.b2RevoluteJoint.prototype.SolvePositionConstraints),box2d.b2RevoluteJoint.prototype.SolvePositionConstraints.s_C=new box2d.b2Vec2,box2d.b2RevoluteJoint.prototype.SolvePositionConstraints.s_impulse=new box2d.b2Vec2,box2d.b2RevoluteJoint.prototype.GetAnchorA=function(o){return this.m_bodyA.GetWorldPoint(this.m_localAnchorA,o)},goog.exportProperty(box2d.b2RevoluteJoint.prototype,"GetAnchorA",box2d.b2RevoluteJoint.prototype.GetAnchorA),box2d.b2RevoluteJoint.prototype.GetAnchorB=function(o){return this.m_bodyB.GetWorldPoint(this.m_localAnchorB,o)},goog.exportProperty(box2d.b2RevoluteJoint.prototype,"GetAnchorB",box2d.b2RevoluteJoint.prototype.GetAnchorB),box2d.b2RevoluteJoint.prototype.GetReactionForce=function(o,t){return t.Set(o*this.m_impulse.x,o*this.m_impulse.y)},goog.exportProperty(box2d.b2RevoluteJoint.prototype,"GetReactionForce",box2d.b2RevoluteJoint.prototype.GetReactionForce),box2d.b2RevoluteJoint.prototype.GetReactionTorque=function(o){return o*this.m_impulse.z},goog.exportProperty(box2d.b2RevoluteJoint.prototype,"GetReactionTorque",box2d.b2RevoluteJoint.prototype.GetReactionTorque),box2d.b2RevoluteJoint.prototype.GetLocalAnchorA=function(o){return o.Copy(this.m_localAnchorA)},goog.exportProperty(box2d.b2RevoluteJoint.prototype,"GetLocalAnchorA",box2d.b2RevoluteJoint.prototype.GetLocalAnchorA),box2d.b2RevoluteJoint.prototype.GetLocalAnchorB=function(o){return o.Copy(this.m_localAnchorB)},goog.exportProperty(box2d.b2RevoluteJoint.prototype,"GetLocalAnchorB",box2d.b2RevoluteJoint.prototype.GetLocalAnchorB),box2d.b2RevoluteJoint.prototype.GetReferenceAngle=function(){return this.m_referenceAngle},goog.exportProperty(box2d.b2RevoluteJoint.prototype,"GetReferenceAngle",box2d.b2RevoluteJoint.prototype.GetReferenceAngle),box2d.b2RevoluteJoint.prototype.GetJointAngle=function(){return this.m_bodyB.m_sweep.a-this.m_bodyA.m_sweep.a-this.m_referenceAngle},goog.exportProperty(box2d.b2RevoluteJoint.prototype,"GetJointAngle",box2d.b2RevoluteJoint.prototype.GetJointAngle),box2d.b2RevoluteJoint.prototype.GetJointSpeed=function(){return this.m_bodyB.m_angularVelocity-this.m_bodyA.m_angularVelocity},goog.exportProperty(box2d.b2RevoluteJoint.prototype,"GetJointSpeed",box2d.b2RevoluteJoint.prototype.GetJointSpeed),box2d.b2RevoluteJoint.prototype.IsMotorEnabled=function(){return this.m_enableMotor},goog.exportProperty(box2d.b2RevoluteJoint.prototype,"IsMotorEnabled",box2d.b2RevoluteJoint.prototype.IsMotorEnabled),box2d.b2RevoluteJoint.prototype.EnableMotor=function(o){this.m_enableMotor!==o&&(this.m_bodyA.SetAwake(!0),this.m_bodyB.SetAwake(!0),this.m_enableMotor=o)},goog.exportProperty(box2d.b2RevoluteJoint.prototype,"EnableMotor",box2d.b2RevoluteJoint.prototype.EnableMotor),box2d.b2RevoluteJoint.prototype.GetMotorTorque=function(o){return o*this.m_motorImpulse},goog.exportProperty(box2d.b2RevoluteJoint.prototype,"GetMotorTorque",box2d.b2RevoluteJoint.prototype.GetMotorTorque),box2d.b2RevoluteJoint.prototype.GetMotorSpeed=function(){return this.m_motorSpeed},goog.exportProperty(box2d.b2RevoluteJoint.prototype,"GetMotorSpeed",box2d.b2RevoluteJoint.prototype.GetMotorSpeed),box2d.b2RevoluteJoint.prototype.SetMaxMotorTorque=function(o){this.m_maxMotorTorque=o},goog.exportProperty(box2d.b2RevoluteJoint.prototype,"SetMaxMotorTorque",box2d.b2RevoluteJoint.prototype.SetMaxMotorTorque),box2d.b2RevoluteJoint.prototype.GetMaxMotorTorque=function(){return this.m_maxMotorTorque},goog.exportProperty(box2d.b2RevoluteJoint.prototype,"GetMaxMotorTorque",box2d.b2RevoluteJoint.prototype.GetMaxMotorTorque),box2d.b2RevoluteJoint.prototype.IsLimitEnabled=function(){return this.m_enableLimit},goog.exportProperty(box2d.b2RevoluteJoint.prototype,"IsLimitEnabled",box2d.b2RevoluteJoint.prototype.IsLimitEnabled),box2d.b2RevoluteJoint.prototype.EnableLimit=function(o){o!==this.m_enableLimit&&(this.m_bodyA.SetAwake(!0),this.m_bodyB.SetAwake(!0),this.m_enableLimit=o,this.m_impulse.z=0)},goog.exportProperty(box2d.b2RevoluteJoint.prototype,"EnableLimit",box2d.b2RevoluteJoint.prototype.EnableLimit),box2d.b2RevoluteJoint.prototype.GetLowerLimit=function(){return this.m_lowerAngle},goog.exportProperty(box2d.b2RevoluteJoint.prototype,"GetLowerLimit",box2d.b2RevoluteJoint.prototype.GetLowerLimit),box2d.b2RevoluteJoint.prototype.GetUpperLimit=function(){return this.m_upperAngle},goog.exportProperty(box2d.b2RevoluteJoint.prototype,"GetUpperLimit",box2d.b2RevoluteJoint.prototype.GetUpperLimit),box2d.b2RevoluteJoint.prototype.SetLimits=function(o,t){o===this.m_lowerAngle&&t===this.m_upperAngle||(this.m_bodyA.SetAwake(!0),this.m_bodyB.SetAwake(!0),this.m_impulse.z=0,this.m_lowerAngle=o,this.m_upperAngle=t)},goog.exportProperty(box2d.b2RevoluteJoint.prototype,"SetLimits",box2d.b2RevoluteJoint.prototype.SetLimits),box2d.b2RevoluteJoint.prototype.SetMotorSpeed=function(o){this.m_motorSpeed!==o&&(this.m_bodyA.SetAwake(!0),this.m_bodyB.SetAwake(!0),this.m_motorSpeed=o)},goog.exportProperty(box2d.b2RevoluteJoint.prototype,"SetMotorSpeed",box2d.b2RevoluteJoint.prototype.SetMotorSpeed),box2d.b2RevoluteJoint.prototype.Dump=function(){if(box2d.DEBUG){var o=this.m_bodyA.m_islandIndex,t=this.m_bodyB.m_islandIndex;box2d.b2Log("  /*box2d.b2RevoluteJointDef*/ var jd = new box2d.b2RevoluteJointDef();\n"),box2d.b2Log("  jd.bodyA = bodies[%d];\n",o),box2d.b2Log("  jd.bodyB = bodies[%d];\n",t),box2d.b2Log("  jd.collideConnected = %s;\n",this.m_collideConnected?"true":"false"),box2d.b2Log("  jd.localAnchorA.Set(%.15f, %.15f);\n",this.m_localAnchorA.x,this.m_localAnchorA.y),box2d.b2Log("  jd.localAnchorB.Set(%.15f, %.15f);\n",this.m_localAnchorB.x,this.m_localAnchorB.y),box2d.b2Log("  jd.referenceAngle = %.15f;\n",this.m_referenceAngle),box2d.b2Log("  jd.enableLimit = %s;\n",this.m_enableLimit?"true":"false"),box2d.b2Log("  jd.lowerAngle = %.15f;\n",this.m_lowerAngle),box2d.b2Log("  jd.upperAngle = %.15f;\n",this.m_upperAngle),box2d.b2Log("  jd.enableMotor = %s;\n",this.m_enableMotor?"true":"false"),box2d.b2Log("  jd.motorSpeed = %.15f;\n",this.m_motorSpeed),box2d.b2Log("  jd.maxMotorTorque = %.15f;\n",this.m_maxMotorTorque),box2d.b2Log("  joints[%d] = this.m_world.CreateJoint(jd);\n",this.m_index)}},goog.exportProperty(box2d.b2RevoluteJoint.prototype,"Dump",box2d.b2RevoluteJoint.prototype.Dump),box2d.b2GearJointDef=function(){box2d.b2JointDef.call(this,box2d.b2JointType.e_gearJoint)},goog.inherits(box2d.b2GearJointDef,box2d.b2JointDef),goog.exportSymbol("box2d.b2GearJointDef",box2d.b2GearJointDef),box2d.b2GearJointDef.prototype.joint1=null,goog.exportProperty(box2d.b2GearJointDef.prototype,"joint1",box2d.b2GearJointDef.prototype.joint1),box2d.b2GearJointDef.prototype.joint2=null,goog.exportProperty(box2d.b2GearJointDef.prototype,"joint2",box2d.b2GearJointDef.prototype.joint2),box2d.b2GearJointDef.prototype.ratio=1,goog.exportProperty(box2d.b2GearJointDef.prototype,"ratio",box2d.b2GearJointDef.prototype.ratio),box2d.b2GearJoint=function(o){var t,e;box2d.b2Joint.call(this,o),this.m_joint1=o.joint1,this.m_joint2=o.joint2,this.m_localAnchorA=new box2d.b2Vec2,this.m_localAnchorB=new box2d.b2Vec2,this.m_localAnchorC=new box2d.b2Vec2,this.m_localAnchorD=new box2d.b2Vec2,this.m_localAxisC=new box2d.b2Vec2,this.m_localAxisD=new box2d.b2Vec2,this.m_lcA=new box2d.b2Vec2,this.m_lcB=new box2d.b2Vec2,this.m_lcC=new box2d.b2Vec2,this.m_lcD=new box2d.b2Vec2,this.m_JvAC=new box2d.b2Vec2,this.m_JvBD=new box2d.b2Vec2,this.m_qA=new box2d.b2Rot,this.m_qB=new box2d.b2Rot,this.m_qC=new box2d.b2Rot,this.m_qD=new box2d.b2Rot,this.m_lalcA=new box2d.b2Vec2,this.m_lalcB=new box2d.b2Vec2,this.m_lalcC=new box2d.b2Vec2,this.m_lalcD=new box2d.b2Vec2,this.m_typeA=this.m_joint1.GetType(),this.m_typeB=this.m_joint2.GetType(),box2d.ENABLE_ASSERTS&&box2d.b2Assert(this.m_typeA===box2d.b2JointType.e_revoluteJoint||this.m_typeA===box2d.b2JointType.e_prismaticJoint),box2d.ENABLE_ASSERTS&&box2d.b2Assert(this.m_typeB===box2d.b2JointType.e_revoluteJoint||this.m_typeB===box2d.b2JointType.e_prismaticJoint),this.m_bodyC=this.m_joint1.GetBodyA(),this.m_bodyA=this.m_joint1.GetBodyB(),t=this.m_bodyA.m_xf;var r=this.m_bodyA.m_sweep.a;e=this.m_bodyC.m_xf;var i=this.m_bodyC.m_sweep.a;this.m_typeA===box2d.b2JointType.e_revoluteJoint?(e=o.joint1,this.m_localAnchorC.Copy(e.m_localAnchorA),this.m_localAnchorA.Copy(e.m_localAnchorB),this.m_referenceAngleA=e.m_referenceAngle,this.m_localAxisC.SetZero(),t=r-i-this.m_referenceAngleA):(i=o.joint1,this.m_localAnchorC.Copy(i.m_localAnchorA),this.m_localAnchorA.Copy(i.m_localAnchorB),this.m_referenceAngleA=i.m_referenceAngle,this.m_localAxisC.Copy(i.m_localXAxisA),r=this.m_localAnchorC,t=box2d.b2MulT_R_V2(e.q,box2d.b2Add_V2_V2(box2d.b2Mul_R_V2(t.q,this.m_localAnchorA,box2d.b2Vec2.s_t0),box2d.b2Sub_V2_V2(t.p,e.p,box2d.b2Vec2.s_t1),box2d.b2Vec2.s_t0),box2d.b2Vec2.s_t0),t=box2d.b2Dot_V2_V2(box2d.b2Sub_V2_V2(t,r,box2d.b2Vec2.s_t0),this.m_localAxisC)),this.m_bodyD=this.m_joint2.GetBodyA(),this.m_bodyB=this.m_joint2.GetBodyB(),e=this.m_bodyB.m_xf;i=this.m_bodyB.m_sweep.a,r=this.m_bodyD.m_xf;var n=this.m_bodyD.m_sweep.a;this.m_typeB===box2d.b2JointType.e_revoluteJoint?(e=o.joint2,this.m_localAnchorD.Copy(e.m_localAnchorA),this.m_localAnchorB.Copy(e.m_localAnchorB),this.m_referenceAngleB=e.m_referenceAngle,this.m_localAxisD.SetZero(),e=i-n-this.m_referenceAngleB):(i=o.joint2,this.m_localAnchorD.Copy(i.m_localAnchorA),this.m_localAnchorB.Copy(i.m_localAnchorB),this.m_referenceAngleB=i.m_referenceAngle,this.m_localAxisD.Copy(i.m_localXAxisA),i=this.m_localAnchorD,e=box2d.b2MulT_R_V2(r.q,box2d.b2Add_V2_V2(box2d.b2Mul_R_V2(e.q,this.m_localAnchorB,box2d.b2Vec2.s_t0),box2d.b2Sub_V2_V2(e.p,r.p,box2d.b2Vec2.s_t1),box2d.b2Vec2.s_t0),box2d.b2Vec2.s_t0),e=box2d.b2Dot_V2_V2(box2d.b2Sub_V2_V2(e,i,box2d.b2Vec2.s_t0),this.m_localAxisD)),this.m_ratio=o.ratio,this.m_constant=t+this.m_ratio*e,this.m_impulse=0},goog.inherits(box2d.b2GearJoint,box2d.b2Joint),goog.exportSymbol("box2d.b2GearJoint",box2d.b2GearJoint),box2d.b2GearJoint.prototype.m_joint1=null,goog.exportProperty(box2d.b2GearJoint.prototype,"m_joint1",box2d.b2GearJoint.prototype.m_joint1),box2d.b2GearJoint.prototype.m_joint2=null,goog.exportProperty(box2d.b2GearJoint.prototype,"m_joint2",box2d.b2GearJoint.prototype.m_joint2),box2d.b2GearJoint.prototype.m_typeA=box2d.b2JointType.e_unknownJoint,goog.exportProperty(box2d.b2GearJoint.prototype,"m_typeA",box2d.b2GearJoint.prototype.m_typeA),box2d.b2GearJoint.prototype.m_typeB=box2d.b2JointType.e_unknownJoint,goog.exportProperty(box2d.b2GearJoint.prototype,"m_typeB",box2d.b2GearJoint.prototype.m_typeB),box2d.b2GearJoint.prototype.m_bodyC=null,goog.exportProperty(box2d.b2GearJoint.prototype,"m_bodyC",box2d.b2GearJoint.prototype.m_bodyC),box2d.b2GearJoint.prototype.m_bodyD=null,goog.exportProperty(box2d.b2GearJoint.prototype,"m_bodyD",box2d.b2GearJoint.prototype.m_bodyD),box2d.b2GearJoint.prototype.m_localAnchorA=null,goog.exportProperty(box2d.b2GearJoint.prototype,"m_localAnchorA",box2d.b2GearJoint.prototype.m_localAnchorA),box2d.b2GearJoint.prototype.m_localAnchorB=null,goog.exportProperty(box2d.b2GearJoint.prototype,"m_localAnchorB",box2d.b2GearJoint.prototype.m_localAnchorB),box2d.b2GearJoint.prototype.m_localAnchorC=null,goog.exportProperty(box2d.b2GearJoint.prototype,"m_localAnchorC",box2d.b2GearJoint.prototype.m_localAnchorC),box2d.b2GearJoint.prototype.m_localAnchorD=null,goog.exportProperty(box2d.b2GearJoint.prototype,"m_localAnchorD",box2d.b2GearJoint.prototype.m_localAnchorD),box2d.b2GearJoint.prototype.m_localAxisC=null,goog.exportProperty(box2d.b2GearJoint.prototype,"m_localAxisC",box2d.b2GearJoint.prototype.m_localAxisC),box2d.b2GearJoint.prototype.m_localAxisD=null,goog.exportProperty(box2d.b2GearJoint.prototype,"m_localAxisD",box2d.b2GearJoint.prototype.m_localAxisD),box2d.b2GearJoint.prototype.m_referenceAngleA=0,goog.exportProperty(box2d.b2GearJoint.prototype,"m_referenceAngleA",box2d.b2GearJoint.prototype.m_referenceAngleA),box2d.b2GearJoint.prototype.m_referenceAngleB=0,goog.exportProperty(box2d.b2GearJoint.prototype,"m_referenceAngleB",box2d.b2GearJoint.prototype.m_referenceAngleB),box2d.b2GearJoint.prototype.m_constant=0,goog.exportProperty(box2d.b2GearJoint.prototype,"m_constant",box2d.b2GearJoint.prototype.m_constant),box2d.b2GearJoint.prototype.m_ratio=0,goog.exportProperty(box2d.b2GearJoint.prototype,"m_ratio",box2d.b2GearJoint.prototype.m_ratio),box2d.b2GearJoint.prototype.m_impulse=0,goog.exportProperty(box2d.b2GearJoint.prototype,"m_impulse",box2d.b2GearJoint.prototype.m_impulse),box2d.b2GearJoint.prototype.m_indexA=0,goog.exportProperty(box2d.b2GearJoint.prototype,"m_indexA",box2d.b2GearJoint.prototype.m_indexA),box2d.b2GearJoint.prototype.m_indexB=0,goog.exportProperty(box2d.b2GearJoint.prototype,"m_indexB",box2d.b2GearJoint.prototype.m_indexB),box2d.b2GearJoint.prototype.m_indexC=0,goog.exportProperty(box2d.b2GearJoint.prototype,"m_indexC",box2d.b2GearJoint.prototype.m_indexC),box2d.b2GearJoint.prototype.m_indexD=0,goog.exportProperty(box2d.b2GearJoint.prototype,"m_indexD",box2d.b2GearJoint.prototype.m_indexD),box2d.b2GearJoint.prototype.m_lcA=null,goog.exportProperty(box2d.b2GearJoint.prototype,"m_lcA",box2d.b2GearJoint.prototype.m_lcA),box2d.b2GearJoint.prototype.m_lcB=null,goog.exportProperty(box2d.b2GearJoint.prototype,"m_lcB",box2d.b2GearJoint.prototype.m_lcB),box2d.b2GearJoint.prototype.m_lcC=null,goog.exportProperty(box2d.b2GearJoint.prototype,"m_lcC",box2d.b2GearJoint.prototype.m_lcC),box2d.b2GearJoint.prototype.m_lcD=null,goog.exportProperty(box2d.b2GearJoint.prototype,"m_lcD",box2d.b2GearJoint.prototype.m_lcD),box2d.b2GearJoint.prototype.m_mA=0,goog.exportProperty(box2d.b2GearJoint.prototype,"m_mA",box2d.b2GearJoint.prototype.m_mA),box2d.b2GearJoint.prototype.m_mB=0,goog.exportProperty(box2d.b2GearJoint.prototype,"m_mB",box2d.b2GearJoint.prototype.m_mB),box2d.b2GearJoint.prototype.m_mC=0,goog.exportProperty(box2d.b2GearJoint.prototype,"m_mC",box2d.b2GearJoint.prototype.m_mC),box2d.b2GearJoint.prototype.m_mD=0,goog.exportProperty(box2d.b2GearJoint.prototype,"m_mD",box2d.b2GearJoint.prototype.m_mD),box2d.b2GearJoint.prototype.m_iA=0,goog.exportProperty(box2d.b2GearJoint.prototype,"m_iA",box2d.b2GearJoint.prototype.m_iA),box2d.b2GearJoint.prototype.m_iB=0,goog.exportProperty(box2d.b2GearJoint.prototype,"m_iB",box2d.b2GearJoint.prototype.m_iB),box2d.b2GearJoint.prototype.m_iC=0,goog.exportProperty(box2d.b2GearJoint.prototype,"m_iC",box2d.b2GearJoint.prototype.m_iC),box2d.b2GearJoint.prototype.m_iD=0,goog.exportProperty(box2d.b2GearJoint.prototype,"m_iD",box2d.b2GearJoint.prototype.m_iD),box2d.b2GearJoint.prototype.m_JvAC=null,goog.exportProperty(box2d.b2GearJoint.prototype,"m_JvAC",box2d.b2GearJoint.prototype.m_JvAC),box2d.b2GearJoint.prototype.m_JvBD=null,goog.exportProperty(box2d.b2GearJoint.prototype,"m_JvBD",box2d.b2GearJoint.prototype.m_JvBD),box2d.b2GearJoint.prototype.m_JwA=0,goog.exportProperty(box2d.b2GearJoint.prototype,"m_JwA",box2d.b2GearJoint.prototype.m_JwA),box2d.b2GearJoint.prototype.m_JwB=0,goog.exportProperty(box2d.b2GearJoint.prototype,"m_JwB",box2d.b2GearJoint.prototype.m_JwB),box2d.b2GearJoint.prototype.m_JwC=0,goog.exportProperty(box2d.b2GearJoint.prototype,"m_JwC",box2d.b2GearJoint.prototype.m_JwC),box2d.b2GearJoint.prototype.m_JwD=0,goog.exportProperty(box2d.b2GearJoint.prototype,"m_JwD",box2d.b2GearJoint.prototype.m_JwD),box2d.b2GearJoint.prototype.m_mass=0,goog.exportProperty(box2d.b2GearJoint.prototype,"m_mass",box2d.b2GearJoint.prototype.m_mass),box2d.b2GearJoint.prototype.m_qA=null,goog.exportProperty(box2d.b2GearJoint.prototype,"m_qA",box2d.b2GearJoint.prototype.m_qA),box2d.b2GearJoint.prototype.m_qB=null,goog.exportProperty(box2d.b2GearJoint.prototype,"m_qB",box2d.b2GearJoint.prototype.m_qB),box2d.b2GearJoint.prototype.m_qC=null,goog.exportProperty(box2d.b2GearJoint.prototype,"m_qC",box2d.b2GearJoint.prototype.m_qC),box2d.b2GearJoint.prototype.m_qD=null,goog.exportProperty(box2d.b2GearJoint.prototype,"m_qD",box2d.b2GearJoint.prototype.m_qD),box2d.b2GearJoint.prototype.m_lalcA=null,goog.exportProperty(box2d.b2GearJoint.prototype,"m_lalcA",box2d.b2GearJoint.prototype.m_lalcA),box2d.b2GearJoint.prototype.m_lalcB=null,goog.exportProperty(box2d.b2GearJoint.prototype,"m_lalcB",box2d.b2GearJoint.prototype.m_lalcB),box2d.b2GearJoint.prototype.m_lalcC=null,goog.exportProperty(box2d.b2GearJoint.prototype,"m_lalcC",box2d.b2GearJoint.prototype.m_lalcC),box2d.b2GearJoint.prototype.m_lalcD=null,goog.exportProperty(box2d.b2GearJoint.prototype,"m_lalcD",box2d.b2GearJoint.prototype.m_lalcD),box2d.b2GearJoint.prototype.InitVelocityConstraints=function(o){this.m_indexA=this.m_bodyA.m_islandIndex,this.m_indexB=this.m_bodyB.m_islandIndex,this.m_indexC=this.m_bodyC.m_islandIndex,this.m_indexD=this.m_bodyD.m_islandIndex,this.m_lcA.Copy(this.m_bodyA.m_sweep.localCenter),this.m_lcB.Copy(this.m_bodyB.m_sweep.localCenter),this.m_lcC.Copy(this.m_bodyC.m_sweep.localCenter),this.m_lcD.Copy(this.m_bodyD.m_sweep.localCenter),this.m_mA=this.m_bodyA.m_invMass,this.m_mB=this.m_bodyB.m_invMass,this.m_mC=this.m_bodyC.m_invMass,this.m_mD=this.m_bodyD.m_invMass,this.m_iA=this.m_bodyA.m_invI,this.m_iB=this.m_bodyB.m_invI,this.m_iC=this.m_bodyC.m_invI,this.m_iD=this.m_bodyD.m_invI;var t=o.velocities[this.m_indexA].v,e=o.velocities[this.m_indexA].w,r=o.positions[this.m_indexB].a,i=o.velocities[this.m_indexB].v,n=o.velocities[this.m_indexB].w,p=o.positions[this.m_indexC].a,s=o.velocities[this.m_indexC].v,l=o.velocities[this.m_indexC].w,x=o.positions[this.m_indexD].a,y=o.velocities[this.m_indexD].v,_=o.velocities[this.m_indexD].w,m=this.m_qA.SetAngle(o.positions[this.m_indexA].a),u=(r=this.m_qB.SetAngle(r),this.m_qC.SetAngle(p));p=this.m_qD.SetAngle(x);this.m_mass=0,this.m_typeA===box2d.b2JointType.e_revoluteJoint?(this.m_JvAC.SetZero(),this.m_JwC=this.m_JwA=1,this.m_mass+=this.m_iA+this.m_iC):(x=box2d.b2Mul_R_V2(u,this.m_localAxisC,box2d.b2GearJoint.prototype.InitVelocityConstraints.s_u),box2d.b2Sub_V2_V2(this.m_localAnchorC,this.m_lcC,this.m_lalcC),u=box2d.b2Mul_R_V2(u,this.m_lalcC,box2d.b2GearJoint.prototype.InitVelocityConstraints.s_rC),box2d.b2Sub_V2_V2(this.m_localAnchorA,this.m_lcA,this.m_lalcA),m=box2d.b2Mul_R_V2(m,this.m_lalcA,box2d.b2GearJoint.prototype.InitVelocityConstraints.s_rA),this.m_JvAC.Copy(x),this.m_JwC=box2d.b2Cross_V2_V2(u,x),this.m_JwA=box2d.b2Cross_V2_V2(m,x),this.m_mass+=this.m_mC+this.m_mA+this.m_iC*this.m_JwC*this.m_JwC+this.m_iA*this.m_JwA*this.m_JwA),this.m_typeB===box2d.b2JointType.e_revoluteJoint?(this.m_JvBD.SetZero(),this.m_JwD=this.m_JwB=this.m_ratio,this.m_mass+=this.m_ratio*this.m_ratio*(this.m_iB+this.m_iD)):(x=box2d.b2Mul_R_V2(p,this.m_localAxisD,box2d.b2GearJoint.prototype.InitVelocityConstraints.s_u),box2d.b2Sub_V2_V2(this.m_localAnchorD,this.m_lcD,this.m_lalcD),m=box2d.b2Mul_R_V2(p,this.m_lalcD,box2d.b2GearJoint.prototype.InitVelocityConstraints.s_rD),box2d.b2Sub_V2_V2(this.m_localAnchorB,this.m_lcB,this.m_lalcB),r=box2d.b2Mul_R_V2(r,this.m_lalcB,box2d.b2GearJoint.prototype.InitVelocityConstraints.s_rB),box2d.b2Mul_S_V2(this.m_ratio,x,this.m_JvBD),this.m_JwD=this.m_ratio*box2d.b2Cross_V2_V2(m,x),this.m_JwB=this.m_ratio*box2d.b2Cross_V2_V2(r,x),this.m_mass+=this.m_ratio*this.m_ratio*(this.m_mD+this.m_mB)+this.m_iD*this.m_JwD*this.m_JwD+this.m_iB*this.m_JwB*this.m_JwB),this.m_mass=0<this.m_mass?1/this.m_mass:0,o.step.warmStarting?(t.SelfMulAdd(this.m_mA*this.m_impulse,this.m_JvAC),e+=this.m_iA*this.m_impulse*this.m_JwA,i.SelfMulAdd(this.m_mB*this.m_impulse,this.m_JvBD),n+=this.m_iB*this.m_impulse*this.m_JwB,s.SelfMulSub(this.m_mC*this.m_impulse,this.m_JvAC),l-=this.m_iC*this.m_impulse*this.m_JwC,y.SelfMulSub(this.m_mD*this.m_impulse,this.m_JvBD),_-=this.m_iD*this.m_impulse*this.m_JwD):this.m_impulse=0,o.velocities[this.m_indexA].w=e,o.velocities[this.m_indexB].w=n,o.velocities[this.m_indexC].w=l,o.velocities[this.m_indexD].w=_},box2d.b2GearJoint.prototype.InitVelocityConstraints.s_u=new box2d.b2Vec2,box2d.b2GearJoint.prototype.InitVelocityConstraints.s_rA=new box2d.b2Vec2,box2d.b2GearJoint.prototype.InitVelocityConstraints.s_rB=new box2d.b2Vec2,box2d.b2GearJoint.prototype.InitVelocityConstraints.s_rC=new box2d.b2Vec2,box2d.b2GearJoint.prototype.InitVelocityConstraints.s_rD=new box2d.b2Vec2,box2d.b2GearJoint.prototype.SolveVelocityConstraints=function(o){var t=o.velocities[this.m_indexA].v,e=o.velocities[this.m_indexA].w,r=o.velocities[this.m_indexB].v,i=o.velocities[this.m_indexB].w,n=o.velocities[this.m_indexC].v,p=o.velocities[this.m_indexC].w,s=o.velocities[this.m_indexD].v,l=o.velocities[this.m_indexD].w,x=(x=box2d.b2Dot_V2_V2(this.m_JvAC,box2d.b2Sub_V2_V2(t,n,box2d.b2Vec2.s_t0))+box2d.b2Dot_V2_V2(this.m_JvBD,box2d.b2Sub_V2_V2(r,s,box2d.b2Vec2.s_t0)))+(this.m_JwA*e-this.m_JwC*p+(this.m_JwB*i-this.m_JwD*l));x=-this.m_mass*x;this.m_impulse+=x,t.SelfMulAdd(this.m_mA*x,this.m_JvAC),e+=this.m_iA*x*this.m_JwA,r.SelfMulAdd(this.m_mB*x,this.m_JvBD),i+=this.m_iB*x*this.m_JwB,n.SelfMulSub(this.m_mC*x,this.m_JvAC),p-=this.m_iC*x*this.m_JwC,s.SelfMulSub(this.m_mD*x,this.m_JvBD),l-=this.m_iD*x*this.m_JwD,o.velocities[this.m_indexA].w=e,o.velocities[this.m_indexB].w=i,o.velocities[this.m_indexC].w=p,o.velocities[this.m_indexD].w=l},box2d.b2GearJoint.prototype.SolvePositionConstraints=function(o){var t,e,r=o.positions[this.m_indexA].c,i=o.positions[this.m_indexA].a,n=o.positions[this.m_indexB].c,p=o.positions[this.m_indexB].a,s=o.positions[this.m_indexC].c,l=o.positions[this.m_indexC].a,x=o.positions[this.m_indexD].c,y=o.positions[this.m_indexD].a,_=this.m_qA.SetAngle(i),m=this.m_qB.SetAngle(p),u=this.m_qC.SetAngle(l),h=this.m_qD.SetAngle(y),g=this.m_JvAC,S=this.m_JvBD,P=0;if(this.m_typeA===box2d.b2JointType.e_revoluteJoint)g.SetZero(),_=t=1,P+=this.m_iA+this.m_iC,u=i-l-this.m_referenceAngleA;else{e=box2d.b2Mul_R_V2(u,this.m_localAxisC,box2d.b2GearJoint.prototype.SolvePositionConstraints.s_u),t=box2d.b2Mul_R_V2(u,this.m_lalcC,box2d.b2GearJoint.prototype.SolvePositionConstraints.s_rC);var C=box2d.b2Mul_R_V2(_,this.m_lalcA,box2d.b2GearJoint.prototype.SolvePositionConstraints.s_rA);g.Copy(e),_=box2d.b2Cross_V2_V2(t,e),t=box2d.b2Cross_V2_V2(C,e),P+=this.m_mC+this.m_mA+this.m_iC*_*_+this.m_iA*t*t,e=this.m_lalcC,u=box2d.b2MulT_R_V2(u,box2d.b2Add_V2_V2(C,box2d.b2Sub_V2_V2(r,s,box2d.b2Vec2.s_t0),box2d.b2Vec2.s_t0),box2d.b2Vec2.s_t0),u=box2d.b2Dot_V2_V2(box2d.b2Sub_V2_V2(u,e,box2d.b2Vec2.s_t0),this.m_localAxisC)}if(this.m_typeB===box2d.b2JointType.e_revoluteJoint)S.SetZero(),m=e=this.m_ratio,P+=this.m_ratio*this.m_ratio*(this.m_iB+this.m_iD),h=p-y-this.m_referenceAngleB;else{e=box2d.b2Mul_R_V2(h,this.m_localAxisD,box2d.b2GearJoint.prototype.SolvePositionConstraints.s_u);var A=box2d.b2Mul_R_V2(h,this.m_lalcD,box2d.b2GearJoint.prototype.SolvePositionConstraints.s_rD);C=box2d.b2Mul_R_V2(m,this.m_lalcB,box2d.b2GearJoint.prototype.SolvePositionConstraints.s_rB);box2d.b2Mul_S_V2(this.m_ratio,e,S),m=this.m_ratio*box2d.b2Cross_V2_V2(A,e),e=this.m_ratio*box2d.b2Cross_V2_V2(C,e),P+=this.m_ratio*this.m_ratio*(this.m_mD+this.m_mB)+this.m_iD*m*m+this.m_iB*e*e,A=this.m_lalcD,h=box2d.b2MulT_R_V2(h,box2d.b2Add_V2_V2(C,box2d.b2Sub_V2_V2(n,x,box2d.b2Vec2.s_t0),box2d.b2Vec2.s_t0),box2d.b2Vec2.s_t0),h=box2d.b2Dot_V2_V2(box2d.b2Sub_V2_V2(h,A,box2d.b2Vec2.s_t0),this.m_localAxisD)}return h=u+this.m_ratio*h-this.m_constant,u=0,0<P&&(u=-h/P),r.SelfMulAdd(this.m_mA*u,g),i+=this.m_iA*u*t,n.SelfMulAdd(this.m_mB*u,S),p+=this.m_iB*u*e,s.SelfMulSub(this.m_mC*u,g),l-=this.m_iC*u*_,x.SelfMulSub(this.m_mD*u,S),y-=this.m_iD*u*m,o.positions[this.m_indexA].a=i,o.positions[this.m_indexB].a=p,o.positions[this.m_indexC].a=l,o.positions[this.m_indexD].a=y,0<box2d.b2_linearSlop},goog.exportProperty(box2d.b2GearJoint.prototype,"SolvePositionConstraints",box2d.b2GearJoint.prototype.SolvePositionConstraints),box2d.b2GearJoint.prototype.SolvePositionConstraints.s_u=new box2d.b2Vec2,box2d.b2GearJoint.prototype.SolvePositionConstraints.s_rA=new box2d.b2Vec2,box2d.b2GearJoint.prototype.SolvePositionConstraints.s_rB=new box2d.b2Vec2,box2d.b2GearJoint.prototype.SolvePositionConstraints.s_rC=new box2d.b2Vec2,box2d.b2GearJoint.prototype.SolvePositionConstraints.s_rD=new box2d.b2Vec2,box2d.b2GearJoint.prototype.GetAnchorA=function(o){return this.m_bodyA.GetWorldPoint(this.m_localAnchorA,o)},goog.exportProperty(box2d.b2GearJoint.prototype,"GetAnchorA",box2d.b2GearJoint.prototype.GetAnchorA),box2d.b2GearJoint.prototype.GetAnchorB=function(o){return this.m_bodyB.GetWorldPoint(this.m_localAnchorB,o)},goog.exportProperty(box2d.b2GearJoint.prototype,"GetAnchorB",box2d.b2GearJoint.prototype.GetAnchorB),box2d.b2GearJoint.prototype.GetReactionForce=function(o,t){return box2d.b2Mul_S_V2(o*this.m_impulse,this.m_JvAC,t)},goog.exportProperty(box2d.b2GearJoint.prototype,"GetReactionForce",box2d.b2GearJoint.prototype.GetReactionForce),box2d.b2GearJoint.prototype.GetReactionTorque=function(o){return o*this.m_impulse*this.m_JwA},goog.exportProperty(box2d.b2GearJoint.prototype,"GetReactionTorque",box2d.b2GearJoint.prototype.GetReactionTorque),box2d.b2GearJoint.prototype.GetJoint1=function(){return this.m_joint1},goog.exportProperty(box2d.b2GearJoint.prototype,"GetJoint1",box2d.b2GearJoint.prototype.GetJoint1),box2d.b2GearJoint.prototype.GetJoint2=function(){return this.m_joint2},goog.exportProperty(box2d.b2GearJoint.prototype,"GetJoint2",box2d.b2GearJoint.prototype.GetJoint2),box2d.b2GearJoint.prototype.GetRatio=function(){return this.m_ratio},goog.exportProperty(box2d.b2GearJoint.prototype,"GetRatio",box2d.b2GearJoint.prototype.GetRatio),box2d.b2GearJoint.prototype.SetRatio=function(o){box2d.ENABLE_ASSERTS&&box2d.b2Assert(box2d.b2IsValid(o)),this.m_ratio=o},goog.exportProperty(box2d.b2GearJoint.prototype,"SetRatio",box2d.b2GearJoint.prototype.SetRatio),box2d.b2GearJoint.prototype.Dump=function(){if(box2d.DEBUG){var o=this.m_bodyA.m_islandIndex,t=this.m_bodyB.m_islandIndex,e=this.m_joint1.m_index,r=this.m_joint2.m_index;box2d.b2Log("  /*box2d.b2GearJointDef*/ var jd = new box2d.b2GearJointDef();\n"),box2d.b2Log("  jd.bodyA = bodies[%d];\n",o),box2d.b2Log("  jd.bodyB = bodies[%d];\n",t),box2d.b2Log("  jd.collideConnected = %s;\n",this.m_collideConnected?"true":"false"),box2d.b2Log("  jd.joint1 = joints[%d];\n",e),box2d.b2Log("  jd.joint2 = joints[%d];\n",r),box2d.b2Log("  jd.ratio = %.15f;\n",this.m_ratio),box2d.b2Log("  joints[%d] = this.m_world.CreateJoint(jd);\n",this.m_index)}},goog.exportProperty(box2d.b2GearJoint.prototype,"Dump",box2d.b2GearJoint.prototype.Dump),box2d.b2RopeJointDef=function(){box2d.b2JointDef.call(this,box2d.b2JointType.e_ropeJoint),this.localAnchorA=new box2d.b2Vec2(-1,0),this.localAnchorB=new box2d.b2Vec2(1,0)},goog.inherits(box2d.b2RopeJointDef,box2d.b2JointDef),goog.exportSymbol("box2d.b2RopeJointDef",box2d.b2RopeJointDef),box2d.b2RopeJointDef.prototype.localAnchorA=null,goog.exportProperty(box2d.b2RopeJointDef.prototype,"localAnchorA",box2d.b2RopeJointDef.prototype.localAnchorA),box2d.b2RopeJointDef.prototype.localAnchorB=null,goog.exportProperty(box2d.b2RopeJointDef.prototype,"localAnchorB",box2d.b2RopeJointDef.prototype.localAnchorB),box2d.b2RopeJointDef.prototype.maxLength=0,goog.exportProperty(box2d.b2RopeJointDef.prototype,"maxLength",box2d.b2RopeJointDef.prototype.maxLength),box2d.b2RopeJoint=function(o){box2d.b2Joint.call(this,o),this.m_localAnchorA=o.localAnchorA.Clone(),this.m_localAnchorB=o.localAnchorB.Clone(),this.m_maxLength=o.maxLength,this.m_u=new box2d.b2Vec2,this.m_rA=new box2d.b2Vec2,this.m_rB=new box2d.b2Vec2,this.m_localCenterA=new box2d.b2Vec2,this.m_localCenterB=new box2d.b2Vec2,this.m_qA=new box2d.b2Rot,this.m_qB=new box2d.b2Rot,this.m_lalcA=new box2d.b2Vec2,this.m_lalcB=new box2d.b2Vec2},goog.inherits(box2d.b2RopeJoint,box2d.b2Joint),goog.exportSymbol("box2d.b2RopeJoint",box2d.b2RopeJoint),box2d.b2RopeJoint.prototype.m_localAnchorA=null,goog.exportProperty(box2d.b2RopeJoint.prototype,"m_localAnchorA",box2d.b2RopeJoint.prototype.m_localAnchorA),box2d.b2RopeJoint.prototype.m_localAnchorB=null,goog.exportProperty(box2d.b2RopeJoint.prototype,"m_localAnchorB",box2d.b2RopeJoint.prototype.m_localAnchorB),box2d.b2RopeJoint.prototype.m_maxLength=0,goog.exportProperty(box2d.b2RopeJoint.prototype,"m_maxLength",box2d.b2RopeJoint.prototype.m_maxLength),box2d.b2RopeJoint.prototype.m_length=0,goog.exportProperty(box2d.b2RopeJoint.prototype,"m_length",box2d.b2RopeJoint.prototype.m_length),box2d.b2RopeJoint.prototype.m_impulse=0,goog.exportProperty(box2d.b2RopeJoint.prototype,"m_impulse",box2d.b2RopeJoint.prototype.m_impulse),box2d.b2RopeJoint.prototype.m_indexA=0,goog.exportProperty(box2d.b2RopeJoint.prototype,"m_indexA",box2d.b2RopeJoint.prototype.m_indexA),box2d.b2RopeJoint.prototype.m_indexB=0,goog.exportProperty(box2d.b2RopeJoint.prototype,"m_indexB",box2d.b2RopeJoint.prototype.m_indexB),box2d.b2RopeJoint.prototype.m_u=null,goog.exportProperty(box2d.b2RopeJoint.prototype,"m_u",box2d.b2RopeJoint.prototype.m_u),box2d.b2RopeJoint.prototype.m_rA=null,goog.exportProperty(box2d.b2RopeJoint.prototype,"m_rA",box2d.b2RopeJoint.prototype.m_rA),box2d.b2RopeJoint.prototype.m_rB=null,goog.exportProperty(box2d.b2RopeJoint.prototype,"m_rB",box2d.b2RopeJoint.prototype.m_rB),box2d.b2RopeJoint.prototype.m_localCenterA=null,goog.exportProperty(box2d.b2RopeJoint.prototype,"m_localCenterA",box2d.b2RopeJoint.prototype.m_localCenterA),box2d.b2RopeJoint.prototype.m_localCenterB=null,goog.exportProperty(box2d.b2RopeJoint.prototype,"m_localCenterB",box2d.b2RopeJoint.prototype.m_localCenterB),box2d.b2RopeJoint.prototype.m_invMassA=0,goog.exportProperty(box2d.b2RopeJoint.prototype,"m_invMassA",box2d.b2RopeJoint.prototype.m_invMassA),box2d.b2RopeJoint.prototype.m_invMassB=0,goog.exportProperty(box2d.b2RopeJoint.prototype,"m_invMassB",box2d.b2RopeJoint.prototype.m_invMassB),box2d.b2RopeJoint.prototype.m_invIA=0,goog.exportProperty(box2d.b2RopeJoint.prototype,"m_invIA",box2d.b2RopeJoint.prototype.m_invIA),box2d.b2RopeJoint.prototype.m_invIB=0,goog.exportProperty(box2d.b2RopeJoint.prototype,"m_invIB",box2d.b2RopeJoint.prototype.m_invIB),box2d.b2RopeJoint.prototype.m_mass=0,goog.exportProperty(box2d.b2RopeJoint.prototype,"m_mass",box2d.b2RopeJoint.prototype.m_mass),box2d.b2RopeJoint.prototype.m_state=box2d.b2LimitState.e_inactiveLimit,goog.exportProperty(box2d.b2RopeJoint.prototype,"m_state",box2d.b2RopeJoint.prototype.m_state),box2d.b2RopeJoint.prototype.m_qA=null,goog.exportProperty(box2d.b2RopeJoint.prototype,"m_qA",box2d.b2RopeJoint.prototype.m_qA),box2d.b2RopeJoint.prototype.m_qB=null,goog.exportProperty(box2d.b2RopeJoint.prototype,"m_qB",box2d.b2RopeJoint.prototype.m_qB),box2d.b2RopeJoint.prototype.m_lalcA=null,goog.exportProperty(box2d.b2RopeJoint.prototype,"m_lalcA",box2d.b2RopeJoint.prototype.m_lalcA),box2d.b2RopeJoint.prototype.m_lalcB=null,goog.exportProperty(box2d.b2RopeJoint.prototype,"m_lalcB",box2d.b2RopeJoint.prototype.m_lalcB),box2d.b2RopeJoint.prototype.InitVelocityConstraints=function(o){this.m_indexA=this.m_bodyA.m_islandIndex,this.m_indexB=this.m_bodyB.m_islandIndex,this.m_localCenterA.Copy(this.m_bodyA.m_sweep.localCenter),this.m_localCenterB.Copy(this.m_bodyB.m_sweep.localCenter),this.m_invMassA=this.m_bodyA.m_invMass,this.m_invMassB=this.m_bodyB.m_invMass,this.m_invIA=this.m_bodyA.m_invI,this.m_invIB=this.m_bodyB.m_invI;var t=o.positions[this.m_indexA].c,e=o.velocities[this.m_indexA].v,r=o.velocities[this.m_indexA].w,i=o.positions[this.m_indexB].c,n=o.positions[this.m_indexB].a,p=o.velocities[this.m_indexB].v,s=o.velocities[this.m_indexB].w,l=this.m_qA.SetAngle(o.positions[this.m_indexA].a);n=this.m_qB.SetAngle(n);box2d.b2Sub_V2_V2(this.m_localAnchorA,this.m_localCenterA,this.m_lalcA),box2d.b2Mul_R_V2(l,this.m_lalcA,this.m_rA),box2d.b2Sub_V2_V2(this.m_localAnchorB,this.m_localCenterB,this.m_lalcB),box2d.b2Mul_R_V2(n,this.m_lalcB,this.m_rB),this.m_u.Copy(i).SelfAdd(this.m_rB).SelfSub(t).SelfSub(this.m_rA),this.m_length=this.m_u.Length(),this.m_state=0<this.m_length-this.m_maxLength?box2d.b2LimitState.e_atUpperLimit:box2d.b2LimitState.e_inactiveLimit,this.m_length>box2d.b2_linearSlop?(this.m_u.SelfMul(1/this.m_length),t=box2d.b2Cross_V2_V2(this.m_rA,this.m_u),i=box2d.b2Cross_V2_V2(this.m_rB,this.m_u),t=this.m_invMassA+this.m_invIA*t*t+this.m_invMassB+this.m_invIB*i*i,this.m_mass=0!==t?1/t:0,o.step.warmStarting?(this.m_impulse*=o.step.dtRatio,t=box2d.b2Mul_S_V2(this.m_impulse,this.m_u,box2d.b2RopeJoint.prototype.InitVelocityConstraints.s_P),e.SelfMulSub(this.m_invMassA,t),r-=this.m_invIA*box2d.b2Cross_V2_V2(this.m_rA,t),p.SelfMulAdd(this.m_invMassB,t),s+=this.m_invIB*box2d.b2Cross_V2_V2(this.m_rB,t)):this.m_impulse=0,o.velocities[this.m_indexA].w=r,o.velocities[this.m_indexB].w=s):(this.m_u.SetZero(),this.m_impulse=this.m_mass=0)},goog.exportProperty(box2d.b2RopeJoint.prototype,"InitVelocityConstraints",box2d.b2RopeJoint.prototype.InitVelocityConstraints),box2d.b2RopeJoint.prototype.InitVelocityConstraints.s_P=new box2d.b2Vec2,box2d.b2RopeJoint.prototype.SolveVelocityConstraints=function(o){var t=o.velocities[this.m_indexA].v,e=o.velocities[this.m_indexA].w,r=o.velocities[this.m_indexB].v,i=o.velocities[this.m_indexB].w,n=box2d.b2AddCross_V2_S_V2(t,e,this.m_rA,box2d.b2RopeJoint.prototype.SolveVelocityConstraints.s_vpA),p=box2d.b2AddCross_V2_S_V2(r,i,this.m_rB,box2d.b2RopeJoint.prototype.SolveVelocityConstraints.s_vpB),s=this.m_length-this.m_maxLength;n=box2d.b2Dot_V2_V2(this.m_u,box2d.b2Sub_V2_V2(p,n,box2d.b2Vec2.s_t0));0>s&&(n+=o.step.inv_dt*s),s=-this.m_mass*n,n=this.m_impulse,this.m_impulse=box2d.b2Min(0,this.m_impulse+s),s=this.m_impulse-n,s=box2d.b2Mul_S_V2(s,this.m_u,box2d.b2RopeJoint.prototype.SolveVelocityConstraints.s_P),t.SelfMulSub(this.m_invMassA,s),e-=this.m_invIA*box2d.b2Cross_V2_V2(this.m_rA,s),r.SelfMulAdd(this.m_invMassB,s),i+=this.m_invIB*box2d.b2Cross_V2_V2(this.m_rB,s),o.velocities[this.m_indexA].w=e,o.velocities[this.m_indexB].w=i},goog.exportProperty(box2d.b2RopeJoint.prototype,"SolveVelocityConstraints",box2d.b2RopeJoint.prototype.SolveVelocityConstraints),box2d.b2RopeJoint.prototype.SolveVelocityConstraints.s_vpA=new box2d.b2Vec2,box2d.b2RopeJoint.prototype.SolveVelocityConstraints.s_vpB=new box2d.b2Vec2,box2d.b2RopeJoint.prototype.SolveVelocityConstraints.s_P=new box2d.b2Vec2,box2d.b2RopeJoint.prototype.SolvePositionConstraints=function(o){var t=o.positions[this.m_indexA].c,e=o.positions[this.m_indexA].a,r=o.positions[this.m_indexB].c,i=o.positions[this.m_indexB].a,n=this.m_qA.SetAngle(e),p=this.m_qB.SetAngle(i);box2d.b2Sub_V2_V2(this.m_localAnchorA,this.m_localCenterA,this.m_lalcA),n=box2d.b2Mul_R_V2(n,this.m_lalcA,this.m_rA),box2d.b2Sub_V2_V2(this.m_localAnchorB,this.m_localCenterB,this.m_lalcB);p=box2d.b2Mul_R_V2(p,this.m_lalcB,this.m_rB);var s=(x=this.m_u.Copy(r).SelfAdd(p).SelfSub(t).SelfSub(n)).Normalize(),l=s-this.m_maxLength,x=(l=box2d.b2Clamp(l,0,box2d.b2_maxLinearCorrection),box2d.b2Mul_S_V2(-this.m_mass*l,x,box2d.b2RopeJoint.prototype.SolvePositionConstraints.s_P));return t.SelfMulSub(this.m_invMassA,x),e-=this.m_invIA*box2d.b2Cross_V2_V2(n,x),r.SelfMulAdd(this.m_invMassB,x),i+=this.m_invIB*box2d.b2Cross_V2_V2(p,x),o.positions[this.m_indexA].a=e,o.positions[this.m_indexB].a=i,s-this.m_maxLength<box2d.b2_linearSlop},goog.exportProperty(box2d.b2RopeJoint.prototype,"SolvePositionConstraints",box2d.b2RopeJoint.prototype.SolvePositionConstraints),box2d.b2RopeJoint.prototype.SolvePositionConstraints.s_P=new box2d.b2Vec2,box2d.b2RopeJoint.prototype.GetAnchorA=function(o){return this.m_bodyA.GetWorldPoint(this.m_localAnchorA,o)},goog.exportProperty(box2d.b2RopeJoint.prototype,"GetAnchorA",box2d.b2RopeJoint.prototype.GetAnchorA),box2d.b2RopeJoint.prototype.GetAnchorB=function(o){return this.m_bodyB.GetWorldPoint(this.m_localAnchorB,o)},goog.exportProperty(box2d.b2RopeJoint.prototype,"GetAnchorB",box2d.b2RopeJoint.prototype.GetAnchorB),box2d.b2RopeJoint.prototype.GetReactionForce=function(o,t){return box2d.b2Mul_S_V2(o*this.m_impulse,this.m_u,t)},goog.exportProperty(box2d.b2RopeJoint.prototype,"GetReactionForce",box2d.b2RopeJoint.prototype.GetReactionForce),box2d.b2RopeJoint.prototype.GetReactionTorque=function(o){return 0},goog.exportProperty(box2d.b2RopeJoint.prototype,"GetReactionTorque",box2d.b2RopeJoint.prototype.GetReactionTorque),box2d.b2RopeJoint.prototype.GetLocalAnchorA=function(o){return o.Copy(this.m_localAnchorA)},goog.exportProperty(box2d.b2RopeJoint.prototype,"GetLocalAnchorA",box2d.b2RopeJoint.prototype.GetLocalAnchorA),box2d.b2RopeJoint.prototype.GetLocalAnchorB=function(o){return o.Copy(this.m_localAnchorB)},goog.exportProperty(box2d.b2RopeJoint.prototype,"GetLocalAnchorB",box2d.b2RopeJoint.prototype.GetLocalAnchorB),box2d.b2RopeJoint.prototype.SetMaxLength=function(o){this.m_maxLength=o},goog.exportProperty(box2d.b2RopeJoint.prototype,"SetMaxLength",box2d.b2RopeJoint.prototype.SetMaxLength),box2d.b2RopeJoint.prototype.GetMaxLength=function(){return this.m_maxLength},goog.exportProperty(box2d.b2RopeJoint.prototype,"GetMaxLength",box2d.b2RopeJoint.prototype.GetMaxLength),box2d.b2RopeJoint.prototype.GetLimitState=function(){return this.m_state},goog.exportProperty(box2d.b2RopeJoint.prototype,"GetLimitState",box2d.b2RopeJoint.prototype.GetLimitState),box2d.b2RopeJoint.prototype.Dump=function(){if(box2d.DEBUG){var o=this.m_bodyA.m_islandIndex,t=this.m_bodyB.m_islandIndex;box2d.b2Log("  /*box2d.b2RopeJointDef*/ var jd = new box2d.b2RopeJointDef();\n"),box2d.b2Log("  jd.bodyA = bodies[%d];\n",o),box2d.b2Log("  jd.bodyB = bodies[%d];\n",t),box2d.b2Log("  jd.collideConnected = %s;\n",this.m_collideConnected?"true":"false"),box2d.b2Log("  jd.localAnchorA.Set(%.15f, %.15f);\n",this.m_localAnchorA.x,this.m_localAnchorA.y),box2d.b2Log("  jd.localAnchorB.Set(%.15f, %.15f);\n",this.m_localAnchorB.x,this.m_localAnchorB.y),box2d.b2Log("  jd.maxLength = %.15f;\n",this.m_maxLength),box2d.b2Log("  joints[%d] = this.m_world.CreateJoint(jd);\n",this.m_index)}},goog.exportProperty(box2d.b2RopeJoint.prototype,"Dump",box2d.b2RopeJoint.prototype.Dump),box2d.b2WeldJointDef=function(){box2d.b2JointDef.call(this,box2d.b2JointType.e_weldJoint),this.localAnchorA=new box2d.b2Vec2,this.localAnchorB=new box2d.b2Vec2},goog.inherits(box2d.b2WeldJointDef,box2d.b2JointDef),goog.exportSymbol("box2d.b2WeldJointDef",box2d.b2WeldJointDef),box2d.b2WeldJointDef.prototype.localAnchorA=null,goog.exportProperty(box2d.b2WeldJointDef.prototype,"localAnchorA",box2d.b2WeldJointDef.prototype.localAnchorA),box2d.b2WeldJointDef.prototype.localAnchorB=null,goog.exportProperty(box2d.b2WeldJointDef.prototype,"localAnchorB",box2d.b2WeldJointDef.prototype.localAnchorB),box2d.b2WeldJointDef.prototype.referenceAngle=0,goog.exportProperty(box2d.b2WeldJointDef.prototype,"referenceAngle",box2d.b2WeldJointDef.prototype.referenceAngle),box2d.b2WeldJointDef.prototype.frequencyHz=0,goog.exportProperty(box2d.b2WeldJointDef.prototype,"frequencyHz",box2d.b2WeldJointDef.prototype.frequencyHz),box2d.b2WeldJointDef.prototype.dampingRatio=0,goog.exportProperty(box2d.b2WeldJointDef.prototype,"dampingRatio",box2d.b2WeldJointDef.prototype.dampingRatio),box2d.b2WeldJointDef.prototype.Initialize=function(o,t,e){this.bodyA=o,this.bodyB=t,this.bodyA.GetLocalPoint(e,this.localAnchorA),this.bodyB.GetLocalPoint(e,this.localAnchorB),this.referenceAngle=this.bodyB.GetAngle()-this.bodyA.GetAngle()},goog.exportProperty(box2d.b2WeldJointDef.prototype,"Initialize",box2d.b2WeldJointDef.prototype.Initialize),box2d.b2WeldJoint=function(o){box2d.b2Joint.call(this,o),this.m_frequencyHz=o.frequencyHz,this.m_dampingRatio=o.dampingRatio,this.m_localAnchorA=o.localAnchorA.Clone(),this.m_localAnchorB=o.localAnchorB.Clone(),this.m_referenceAngle=o.referenceAngle,this.m_impulse=new box2d.b2Vec3(0,0,0),this.m_rA=new box2d.b2Vec2,this.m_rB=new box2d.b2Vec2,this.m_localCenterA=new box2d.b2Vec2,this.m_localCenterB=new box2d.b2Vec2,this.m_mass=new box2d.b2Mat33,this.m_qA=new box2d.b2Rot,this.m_qB=new box2d.b2Rot,this.m_lalcA=new box2d.b2Vec2,this.m_lalcB=new box2d.b2Vec2,this.m_K=new box2d.b2Mat33},goog.inherits(box2d.b2WeldJoint,box2d.b2Joint),goog.exportSymbol("box2d.b2WeldJoint",box2d.b2WeldJoint),box2d.b2WeldJoint.prototype.m_frequencyHz=0,goog.exportProperty(box2d.b2WeldJoint.prototype,"m_frequencyHz",box2d.b2WeldJoint.prototype.m_frequencyHz),box2d.b2WeldJoint.prototype.m_dampingRatio=0,goog.exportProperty(box2d.b2WeldJoint.prototype,"m_dampingRatio",box2d.b2WeldJoint.prototype.m_dampingRatio),box2d.b2WeldJoint.prototype.m_bias=0,goog.exportProperty(box2d.b2WeldJoint.prototype,"m_bias",box2d.b2WeldJoint.prototype.m_bias),box2d.b2WeldJoint.prototype.m_localAnchorA=null,goog.exportProperty(box2d.b2WeldJoint.prototype,"m_localAnchorA",box2d.b2WeldJoint.prototype.m_localAnchorA),box2d.b2WeldJoint.prototype.m_localAnchorB=null,goog.exportProperty(box2d.b2WeldJoint.prototype,"m_localAnchorB",box2d.b2WeldJoint.prototype.m_localAnchorB),box2d.b2WeldJoint.prototype.m_referenceAngle=0,goog.exportProperty(box2d.b2WeldJoint.prototype,"m_referenceAngle",box2d.b2WeldJoint.prototype.m_referenceAngle),box2d.b2WeldJoint.prototype.m_gamma=0,goog.exportProperty(box2d.b2WeldJoint.prototype,"m_gamma",box2d.b2WeldJoint.prototype.m_gamma),box2d.b2WeldJoint.prototype.m_impulse=null,goog.exportProperty(box2d.b2WeldJoint.prototype,"m_impulse",box2d.b2WeldJoint.prototype.m_impulse),box2d.b2WeldJoint.prototype.m_indexA=0,goog.exportProperty(box2d.b2WeldJoint.prototype,"m_indexA",box2d.b2WeldJoint.prototype.m_indexA),box2d.b2WeldJoint.prototype.m_indexB=0,goog.exportProperty(box2d.b2WeldJoint.prototype,"m_indexB",box2d.b2WeldJoint.prototype.m_indexB),box2d.b2WeldJoint.prototype.m_rA=null,goog.exportProperty(box2d.b2WeldJoint.prototype,"m_rA",box2d.b2WeldJoint.prototype.m_rA),box2d.b2WeldJoint.prototype.m_rB=null,goog.exportProperty(box2d.b2WeldJoint.prototype,"m_rB",box2d.b2WeldJoint.prototype.m_rB),box2d.b2WeldJoint.prototype.m_localCenterA=null,goog.exportProperty(box2d.b2WeldJoint.prototype,"m_localCenterA",box2d.b2WeldJoint.prototype.m_localCenterA),box2d.b2WeldJoint.prototype.m_localCenterB=null,goog.exportProperty(box2d.b2WeldJoint.prototype,"m_localCenterB",box2d.b2WeldJoint.prototype.m_localCenterB),box2d.b2WeldJoint.prototype.m_invMassA=0,goog.exportProperty(box2d.b2WeldJoint.prototype,"m_invMassA",box2d.b2WeldJoint.prototype.m_invMassA),box2d.b2WeldJoint.prototype.m_invMassB=0,goog.exportProperty(box2d.b2WeldJoint.prototype,"m_invMassB",box2d.b2WeldJoint.prototype.m_invMassB),box2d.b2WeldJoint.prototype.m_invIA=0,goog.exportProperty(box2d.b2WeldJoint.prototype,"m_invIA",box2d.b2WeldJoint.prototype.m_invIA),box2d.b2WeldJoint.prototype.m_invIB=0,goog.exportProperty(box2d.b2WeldJoint.prototype,"m_invIB",box2d.b2WeldJoint.prototype.m_invIB),box2d.b2WeldJoint.prototype.m_mass=null,goog.exportProperty(box2d.b2WeldJoint.prototype,"m_mass",box2d.b2WeldJoint.prototype.m_mass),box2d.b2WeldJoint.prototype.m_qA=null,goog.exportProperty(box2d.b2WeldJoint.prototype,"m_qA",box2d.b2WeldJoint.prototype.m_qA),box2d.b2WeldJoint.prototype.m_qB=null,goog.exportProperty(box2d.b2WeldJoint.prototype,"m_qB",box2d.b2WeldJoint.prototype.m_qB),box2d.b2WeldJoint.prototype.m_lalcA=null,goog.exportProperty(box2d.b2WeldJoint.prototype,"m_lalcA",box2d.b2WeldJoint.prototype.m_lalcA),box2d.b2WeldJoint.prototype.m_lalcB=null,goog.exportProperty(box2d.b2WeldJoint.prototype,"m_lalcB",box2d.b2WeldJoint.prototype.m_lalcB),box2d.b2WeldJoint.prototype.m_K=null,goog.exportProperty(box2d.b2WeldJoint.prototype,"m_K",box2d.b2WeldJoint.prototype.m_K),box2d.b2WeldJoint.prototype.InitVelocityConstraints=function(o){this.m_indexA=this.m_bodyA.m_islandIndex,this.m_indexB=this.m_bodyB.m_islandIndex,this.m_localCenterA.Copy(this.m_bodyA.m_sweep.localCenter),this.m_localCenterB.Copy(this.m_bodyB.m_sweep.localCenter),this.m_invMassA=this.m_bodyA.m_invMass,this.m_invMassB=this.m_bodyB.m_invMass,this.m_invIA=this.m_bodyA.m_invI,this.m_invIB=this.m_bodyB.m_invI;var t=o.positions[this.m_indexA].a,e=o.velocities[this.m_indexA].v,r=o.velocities[this.m_indexA].w,i=o.positions[this.m_indexB].a,n=o.velocities[this.m_indexB].v,p=o.velocities[this.m_indexB].w,s=this.m_qA.SetAngle(t),l=this.m_qB.SetAngle(i);box2d.b2Sub_V2_V2(this.m_localAnchorA,this.m_localCenterA,this.m_lalcA),box2d.b2Mul_R_V2(s,this.m_lalcA,this.m_rA),box2d.b2Sub_V2_V2(this.m_localAnchorB,this.m_localCenterB,this.m_lalcB),box2d.b2Mul_R_V2(l,this.m_lalcB,this.m_rB);s=this.m_invMassA,l=this.m_invMassB;var x=this.m_invIA,y=this.m_invIB;if((_=this.m_K).ex.x=s+l+this.m_rA.y*this.m_rA.y*x+this.m_rB.y*this.m_rB.y*y,_.ey.x=-this.m_rA.y*this.m_rA.x*x-this.m_rB.y*this.m_rB.x*y,_.ez.x=-this.m_rA.y*x-this.m_rB.y*y,_.ex.y=_.ey.x,_.ey.y=s+l+this.m_rA.x*this.m_rA.x*x+this.m_rB.x*this.m_rB.x*y,_.ez.y=this.m_rA.x*x+this.m_rB.x*y,_.ex.z=_.ez.x,_.ey.z=_.ez.y,_.ez.z=x+y,0<this.m_frequencyHz){_.GetInverse22(this.m_mass);var _,m=0<(_=x+y)?1/_:0,u=(t=i-t-this.m_referenceAngle,m*(i=2*box2d.b2_pi*this.m_frequencyHz)*i),h=o.step.dt;this.m_gamma=h*(2*m*this.m_dampingRatio*i+h*u),this.m_gamma=0!==this.m_gamma?1/this.m_gamma:0,this.m_bias=t*h*u*this.m_gamma,_+=this.m_gamma,this.m_mass.ez.z=0!==_?1/_:0}else 0===_.ez.z?_.GetInverse22(this.m_mass):_.GetSymInverse33(this.m_mass),this.m_bias=this.m_gamma=0;o.step.warmStarting?(this.m_impulse.SelfMulScalar(o.step.dtRatio),_=box2d.b2WeldJoint.prototype.InitVelocityConstraints.s_P.Set(this.m_impulse.x,this.m_impulse.y),e.SelfMulSub(s,_),r-=x*(box2d.b2Cross_V2_V2(this.m_rA,_)+this.m_impulse.z),n.SelfMulAdd(l,_),p+=y*(box2d.b2Cross_V2_V2(this.m_rB,_)+this.m_impulse.z)):this.m_impulse.SetZero(),o.velocities[this.m_indexA].w=r,o.velocities[this.m_indexB].w=p},box2d.b2WeldJoint.prototype.InitVelocityConstraints.s_P=new box2d.b2Vec2,box2d.b2WeldJoint.prototype.SolveVelocityConstraints=function(o){var t=o.velocities[this.m_indexA].v,e=o.velocities[this.m_indexA].w,r=o.velocities[this.m_indexB].v,i=o.velocities[this.m_indexB].w,n=this.m_invMassA,p=this.m_invMassB,s=this.m_invIA,l=this.m_invIB;if(0<this.m_frequencyHz){var x=-this.m_mass.ez.z*(i-e+this.m_bias+this.m_gamma*this.m_impulse.z);this.m_impulse.z+=x,e-=s*x,i+=l*x,x=box2d.b2Sub_V2_V2(box2d.b2AddCross_V2_S_V2(r,i,this.m_rB,box2d.b2Vec2.s_t0),box2d.b2AddCross_V2_S_V2(t,e,this.m_rA,box2d.b2Vec2.s_t1),box2d.b2WeldJoint.prototype.SolveVelocityConstraints.s_Cdot1),x=box2d.b2Mul_M33_X_Y(this.m_mass,x.x,x.y,box2d.b2WeldJoint.prototype.SolveVelocityConstraints.s_impulse1).SelfNeg(),this.m_impulse.x+=x.x,this.m_impulse.y+=x.y,t.SelfMulSub(n,x),e-=s*box2d.b2Cross_V2_V2(this.m_rA,x),r.SelfMulAdd(p,x),i+=l*box2d.b2Cross_V2_V2(this.m_rB,x)}else{x=box2d.b2Sub_V2_V2(box2d.b2AddCross_V2_S_V2(r,i,this.m_rB,box2d.b2Vec2.s_t0),box2d.b2AddCross_V2_S_V2(t,e,this.m_rA,box2d.b2Vec2.s_t1),box2d.b2WeldJoint.prototype.SolveVelocityConstraints.s_Cdot1);var y=box2d.b2Mul_M33_X_Y_Z(this.m_mass,x.x,x.y,i-e,box2d.b2WeldJoint.prototype.SolveVelocityConstraints.s_impulse).SelfNeg();this.m_impulse.SelfAdd(y),x=box2d.b2WeldJoint.prototype.SolveVelocityConstraints.s_P.Set(y.x,y.y),t.SelfMulSub(n,x),e-=s*(box2d.b2Cross_V2_V2(this.m_rA,x)+y.z),r.SelfMulAdd(p,x),i+=l*(box2d.b2Cross_V2_V2(this.m_rB,x)+y.z)}o.velocities[this.m_indexA].w=e,o.velocities[this.m_indexB].w=i},goog.exportProperty(box2d.b2WeldJoint.prototype,"SolveVelocityConstraints",box2d.b2WeldJoint.prototype.SolveVelocityConstraints),box2d.b2WeldJoint.prototype.SolveVelocityConstraints.s_Cdot1=new box2d.b2Vec2,box2d.b2WeldJoint.prototype.SolveVelocityConstraints.s_impulse1=new box2d.b2Vec2,box2d.b2WeldJoint.prototype.SolveVelocityConstraints.s_impulse=new box2d.b2Vec3,box2d.b2WeldJoint.prototype.SolveVelocityConstraints.s_P=new box2d.b2Vec2,box2d.b2WeldJoint.prototype.SolvePositionConstraints=function(o){var t=o.positions[this.m_indexA].c,e=o.positions[this.m_indexA].a,r=o.positions[this.m_indexB].c,i=o.positions[this.m_indexB].a,n=this.m_qA.SetAngle(e),p=this.m_qB.SetAngle(i),s=this.m_invMassA,l=this.m_invMassB,x=this.m_invIA,y=this.m_invIB;box2d.b2Sub_V2_V2(this.m_localAnchorA,this.m_localCenterA,this.m_lalcA);var _=box2d.b2Mul_R_V2(n,this.m_lalcA,this.m_rA);box2d.b2Sub_V2_V2(this.m_localAnchorB,this.m_localCenterB,this.m_lalcB);var m=box2d.b2Mul_R_V2(p,this.m_lalcB,this.m_rB);if((h=this.m_K).ex.x=s+l+_.y*_.y*x+m.y*m.y*y,h.ey.x=-_.y*_.x*x-m.y*m.x*y,h.ez.x=-_.y*x-m.y*y,h.ex.y=h.ey.x,h.ey.y=s+l+_.x*_.x*x+m.x*m.x*y,h.ez.y=_.x*x+m.x*y,h.ex.z=h.ez.x,h.ey.z=h.ez.y,h.ez.z=x+y,0<this.m_frequencyHz){var u=box2d.b2Sub_V2_V2(box2d.b2Add_V2_V2(r,m,box2d.b2Vec2.s_t0),box2d.b2Add_V2_V2(t,_,box2d.b2Vec2.s_t1),box2d.b2WeldJoint.prototype.SolvePositionConstraints.s_C1),h=(p=u.Length(),n=0,h.Solve22(u.x,u.y,box2d.b2WeldJoint.prototype.SolvePositionConstraints.s_P).SelfNeg());t.SelfMulSub(s,h),e-=x*box2d.b2Cross_V2_V2(_,h),r.SelfMulAdd(l,h),i+=y*box2d.b2Cross_V2_V2(m,h)}else u=box2d.b2Sub_V2_V2(box2d.b2Add_V2_V2(r,m,box2d.b2Vec2.s_t0),box2d.b2Add_V2_V2(t,_,box2d.b2Vec2.s_t1),box2d.b2WeldJoint.prototype.SolvePositionConstraints.s_C1),m=i-e-this.m_referenceAngle,p=u.Length(),n=box2d.b2Abs(m),_=box2d.b2WeldJoint.prototype.SolvePositionConstraints.s_impulse,0<h.ez.z?h.Solve33(u.x,u.y,m,_).SelfNeg():(h=h.Solve22(u.x,u.y,box2d.b2WeldJoint.prototype.SolvePositionConstraints.s_impulse2).SelfNeg(),_.x=h.x,_.y=h.y,_.z=0),h=box2d.b2WeldJoint.prototype.SolvePositionConstraints.s_P.Set(_.x,_.y),t.SelfMulSub(s,h),e-=x*(box2d.b2Cross_V2_V2(this.m_rA,h)+_.z),r.SelfMulAdd(l,h),i+=y*(box2d.b2Cross_V2_V2(this.m_rB,h)+_.z);return o.positions[this.m_indexA].a=e,o.positions[this.m_indexB].a=i,p<=box2d.b2_linearSlop&&n<=box2d.b2_angularSlop},goog.exportProperty(box2d.b2WeldJoint.prototype,"SolvePositionConstraints",box2d.b2WeldJoint.prototype.SolvePositionConstraints);box2d.b2WeldJoint.prototype.SolvePositionConstraints.s_C1=new box2d.b2Vec2,box2d.b2WeldJoint.prototype.SolvePositionConstraints.s_P=new box2d.b2Vec2,box2d.b2WeldJoint.prototype.SolvePositionConstraints.s_impulse=new box2d.b2Vec3,box2d.b2WeldJoint.prototype.SolvePositionConstraints.s_impulse2=new box2d.b2Vec2,box2d.b2WeldJoint.prototype.GetAnchorA=function(o){return this.m_bodyA.GetWorldPoint(this.m_localAnchorA,o)},goog.exportProperty(box2d.b2WeldJoint.prototype,"GetAnchorA",box2d.b2WeldJoint.prototype.GetAnchorA),box2d.b2WeldJoint.prototype.GetAnchorB=function(o){return this.m_bodyB.GetWorldPoint(this.m_localAnchorB,o)},goog.exportProperty(box2d.b2WeldJoint.prototype,"GetAnchorB",box2d.b2WeldJoint.prototype.GetAnchorB),box2d.b2WeldJoint.prototype.GetReactionForce=function(o,t){return t.Set(o*this.m_impulse.x,o*this.m_impulse.y)},goog.exportProperty(box2d.b2WeldJoint.prototype,"GetReactionForce",box2d.b2WeldJoint.prototype.GetReactionForce),box2d.b2WeldJoint.prototype.GetReactionTorque=function(o){return o*this.m_impulse.z},goog.exportProperty(box2d.b2WeldJoint.prototype,"GetReactionTorque",box2d.b2WeldJoint.prototype.GetReactionTorque),box2d.b2WeldJoint.prototype.GetLocalAnchorA=function(o){return o.Copy(this.m_localAnchorA)},goog.exportProperty(box2d.b2WeldJoint.prototype,"GetLocalAnchorA",box2d.b2WeldJoint.prototype.GetLocalAnchorA),box2d.b2WeldJoint.prototype.GetLocalAnchorB=function(o){return o.Copy(this.m_localAnchorB)},goog.exportProperty(box2d.b2WeldJoint.prototype,"GetLocalAnchorB",box2d.b2WeldJoint.prototype.GetLocalAnchorB),box2d.b2WeldJoint.prototype.GetReferenceAngle=function(){return this.m_referenceAngle},goog.exportProperty(box2d.b2WeldJoint.prototype,"GetReferenceAngle",box2d.b2WeldJoint.prototype.GetReferenceAngle),box2d.b2WeldJoint.prototype.SetFrequency=function(o){this.m_frequencyHz=o},box2d.b2WeldJoint.prototype.GetFrequency=function(){return this.m_frequencyHz},goog.exportProperty(box2d.b2WeldJoint.prototype,"GetFrequency",box2d.b2WeldJoint.prototype.GetFrequency),box2d.b2WeldJoint.prototype.SetDampingRatio=function(o){this.m_dampingRatio=o},box2d.b2WeldJoint.prototype.GetDampingRatio=function(){return this.m_dampingRatio},goog.exportProperty(box2d.b2WeldJoint.prototype,"GetDampingRatio",box2d.b2WeldJoint.prototype.GetDampingRatio),box2d.b2WeldJoint.prototype.Dump=function(){if(box2d.DEBUG){var o=this.m_bodyA.m_islandIndex,t=this.m_bodyB.m_islandIndex;box2d.b2Log("  /*box2d.b2WeldJointDef*/ var jd = new box2d.b2WeldJointDef();\n"),box2d.b2Log("  jd.bodyA = bodies[%d];\n",o),box2d.b2Log("  jd.bodyB = bodies[%d];\n",t),box2d.b2Log("  jd.collideConnected = %s;\n",this.m_collideConnected?"true":"false"),box2d.b2Log("  jd.localAnchorA.Set(%.15f, %.15f);\n",this.m_localAnchorA.x,this.m_localAnchorA.y),box2d.b2Log("  jd.localAnchorB.Set(%.15f, %.15f);\n",this.m_localAnchorB.x,this.m_localAnchorB.y),box2d.b2Log("  jd.referenceAngle = %.15f;\n",this.m_referenceAngle),box2d.b2Log("  jd.frequencyHz = %.15f;\n",this.m_frequencyHz),box2d.b2Log("  jd.dampingRatio = %.15f;\n",this.m_dampingRatio),box2d.b2Log("  joints[%d] = this.m_world.CreateJoint(jd);\n",this.m_index)}},goog.exportProperty(box2d.b2WeldJoint.prototype,"Dump",box2d.b2WeldJoint.prototype.Dump),box2d.b2WheelJointDef=function(){box2d.b2JointDef.call(this,box2d.b2JointType.e_wheelJoint),this.localAnchorA=new box2d.b2Vec2(0,0),this.localAnchorB=new box2d.b2Vec2(0,0),this.localAxisA=new box2d.b2Vec2(1,0)},goog.inherits(box2d.b2WheelJointDef,box2d.b2JointDef),goog.exportSymbol("box2d.b2WheelJointDef",box2d.b2WheelJointDef),box2d.b2WheelJointDef.prototype.localAnchorA=null,goog.exportProperty(box2d.b2WheelJointDef.prototype,"localAnchorA",box2d.b2WheelJointDef.prototype.localAnchorA),box2d.b2WheelJointDef.prototype.localAnchorB=null,goog.exportProperty(box2d.b2WheelJointDef.prototype,"localAnchorB",box2d.b2WheelJointDef.prototype.localAnchorB),box2d.b2WheelJointDef.prototype.localAxisA=null,goog.exportProperty(box2d.b2WheelJointDef.prototype,"localAxisA",box2d.b2WheelJointDef.prototype.localAxisA),box2d.b2WheelJointDef.prototype.enableMotor=!1,goog.exportProperty(box2d.b2WheelJointDef.prototype,"enableMotor",box2d.b2WheelJointDef.prototype.enableMotor),box2d.b2WheelJointDef.prototype.maxMotorTorque=0,goog.exportProperty(box2d.b2WheelJointDef.prototype,"maxMotorTorque",box2d.b2WheelJointDef.prototype.maxMotorTorque),box2d.b2WheelJointDef.prototype.motorSpeed=0,goog.exportProperty(box2d.b2WheelJointDef.prototype,"motorSpeed",box2d.b2WheelJointDef.prototype.motorSpeed),box2d.b2WheelJointDef.prototype.frequencyHz=2,goog.exportProperty(box2d.b2WheelJointDef.prototype,"frequencyHz",box2d.b2WheelJointDef.prototype.frequencyHz),box2d.b2WheelJointDef.prototype.dampingRatio=.7,goog.exportProperty(box2d.b2WheelJointDef.prototype,"dampingRatio",box2d.b2WheelJointDef.prototype.dampingRatio),box2d.b2WheelJointDef.prototype.Initialize=function(o,t,e,r){this.bodyA=o,this.bodyB=t,this.bodyA.GetLocalPoint(e,this.localAnchorA),this.bodyB.GetLocalPoint(e,this.localAnchorB),this.bodyA.GetLocalVector(r,this.localAxisA)},goog.exportProperty(box2d.b2WheelJointDef.prototype,"Initialize",box2d.b2WheelJointDef.prototype.Initialize),box2d.b2WheelJoint=function(o){box2d.b2Joint.call(this,o),this.m_frequencyHz=o.frequencyHz,this.m_dampingRatio=o.dampingRatio,this.m_localAnchorA=o.localAnchorA.Clone(),this.m_localAnchorB=o.localAnchorB.Clone(),this.m_localXAxisA=o.localAxisA.Clone(),this.m_localYAxisA=box2d.b2Cross_S_V2(1,this.m_localXAxisA,new box2d.b2Vec2),this.m_maxMotorTorque=o.maxMotorTorque,this.m_motorSpeed=o.motorSpeed,this.m_enableMotor=o.enableMotor,this.m_localCenterA=new box2d.b2Vec2,this.m_localCenterB=new box2d.b2Vec2,this.m_ax=new box2d.b2Vec2,this.m_ay=new box2d.b2Vec2,this.m_qA=new box2d.b2Rot,this.m_qB=new box2d.b2Rot,this.m_lalcA=new box2d.b2Vec2,this.m_lalcB=new box2d.b2Vec2,this.m_rA=new box2d.b2Vec2,this.m_rB=new box2d.b2Vec2,this.m_ax.SetZero(),this.m_ay.SetZero()},goog.inherits(box2d.b2WheelJoint,box2d.b2Joint),goog.exportSymbol("box2d.b2WheelJoint",box2d.b2WheelJoint),box2d.b2WheelJoint.prototype.m_frequencyHz=0,goog.exportProperty(box2d.b2WheelJoint.prototype,"m_frequencyHz",box2d.b2WheelJoint.prototype.m_frequencyHz),box2d.b2WheelJoint.prototype.m_dampingRatio=0,goog.exportProperty(box2d.b2WheelJoint.prototype,"m_dampingRatio",box2d.b2WheelJoint.prototype.m_dampingRatio),box2d.b2WheelJoint.prototype.m_localAnchorA=null,goog.exportProperty(box2d.b2WheelJoint.prototype,"m_localAnchorA",box2d.b2WheelJoint.prototype.m_localAnchorA),box2d.b2WheelJoint.prototype.m_localAnchorB=null,goog.exportProperty(box2d.b2WheelJoint.prototype,"m_localAnchorB",box2d.b2WheelJoint.prototype.m_localAnchorB),box2d.b2WheelJoint.prototype.m_localXAxisA=null,goog.exportProperty(box2d.b2WheelJoint.prototype,"m_localXAxisA",box2d.b2WheelJoint.prototype.m_localXAxisA),box2d.b2WheelJoint.prototype.m_localYAxisA=null,goog.exportProperty(box2d.b2WheelJoint.prototype,"m_localYAxisA",box2d.b2WheelJoint.prototype.m_localYAxisA),box2d.b2WheelJoint.prototype.m_impulse=0,goog.exportProperty(box2d.b2WheelJoint.prototype,"m_impulse",box2d.b2WheelJoint.prototype.m_impulse),box2d.b2WheelJoint.prototype.m_motorImpulse=0,goog.exportProperty(box2d.b2WheelJoint.prototype,"m_motorImpulse",box2d.b2WheelJoint.prototype.m_motorImpulse),box2d.b2WheelJoint.prototype.m_springImpulse=0,goog.exportProperty(box2d.b2WheelJoint.prototype,"m_springImpulse",box2d.b2WheelJoint.prototype.m_springImpulse),box2d.b2WheelJoint.prototype.m_maxMotorTorque=0,goog.exportProperty(box2d.b2WheelJoint.prototype,"m_maxMotorTorque",box2d.b2WheelJoint.prototype.m_maxMotorTorque),box2d.b2WheelJoint.prototype.m_motorSpeed=0,goog.exportProperty(box2d.b2WheelJoint.prototype,"m_motorSpeed",box2d.b2WheelJoint.prototype.m_motorSpeed),box2d.b2WheelJoint.prototype.m_enableMotor=!1,goog.exportProperty(box2d.b2WheelJoint.prototype,"m_enableMotor",box2d.b2WheelJoint.prototype.m_enableMotor),box2d.b2WheelJoint.prototype.m_indexA=0,goog.exportProperty(box2d.b2WheelJoint.prototype,"m_indexA",box2d.b2WheelJoint.prototype.m_indexA),box2d.b2WheelJoint.prototype.m_indexB=0,goog.exportProperty(box2d.b2WheelJoint.prototype,"m_indexB",box2d.b2WheelJoint.prototype.m_indexB),box2d.b2WheelJoint.prototype.m_localCenterA=null,goog.exportProperty(box2d.b2WheelJoint.prototype,"m_localCenterA",box2d.b2WheelJoint.prototype.m_localCenterA),box2d.b2WheelJoint.prototype.m_localCenterB=null,goog.exportProperty(box2d.b2WheelJoint.prototype,"m_localCenterB",box2d.b2WheelJoint.prototype.m_localCenterB),box2d.b2WheelJoint.prototype.m_invMassA=0,goog.exportProperty(box2d.b2WheelJoint.prototype,"m_invMassA",box2d.b2WheelJoint.prototype.m_invMassA),box2d.b2WheelJoint.prototype.m_invMassB=0,goog.exportProperty(box2d.b2WheelJoint.prototype,"m_invMassB",box2d.b2WheelJoint.prototype.m_invMassB),box2d.b2WheelJoint.prototype.m_invIA=0,goog.exportProperty(box2d.b2WheelJoint.prototype,"m_invIA",box2d.b2WheelJoint.prototype.m_invIA),box2d.b2WheelJoint.prototype.m_invIB=0,goog.exportProperty(box2d.b2WheelJoint.prototype,"m_invIB",box2d.b2WheelJoint.prototype.m_invIB),box2d.b2WheelJoint.prototype.m_ax=null,goog.exportProperty(box2d.b2WheelJoint.prototype,"m_ax",box2d.b2WheelJoint.prototype.m_ax),box2d.b2WheelJoint.prototype.m_ay=null,goog.exportProperty(box2d.b2WheelJoint.prototype,"m_ay",box2d.b2WheelJoint.prototype.m_ay),box2d.b2WheelJoint.prototype.m_sAx=0,goog.exportProperty(box2d.b2WheelJoint.prototype,"m_sAx",box2d.b2WheelJoint.prototype.m_sAx),box2d.b2WheelJoint.prototype.m_sBx=0,goog.exportProperty(box2d.b2WheelJoint.prototype,"m_sBx",box2d.b2WheelJoint.prototype.m_sBx),box2d.b2WheelJoint.prototype.m_sAy=0,goog.exportProperty(box2d.b2WheelJoint.prototype,"m_sAy",box2d.b2WheelJoint.prototype.m_sAy),box2d.b2WheelJoint.prototype.m_sBy=0,goog.exportProperty(box2d.b2WheelJoint.prototype,"m_sBy",box2d.b2WheelJoint.prototype.m_sBy),box2d.b2WheelJoint.prototype.m_mass=0,goog.exportProperty(box2d.b2WheelJoint.prototype,"m_mass",box2d.b2WheelJoint.prototype.m_mass),box2d.b2WheelJoint.prototype.m_motorMass=0,goog.exportProperty(box2d.b2WheelJoint.prototype,"m_motorMass",box2d.b2WheelJoint.prototype.m_motorMass),box2d.b2WheelJoint.prototype.m_springMass=0,goog.exportProperty(box2d.b2WheelJoint.prototype,"m_springMass",box2d.b2WheelJoint.prototype.m_springMass),box2d.b2WheelJoint.prototype.m_bias=0,goog.exportProperty(box2d.b2WheelJoint.prototype,"m_bias",box2d.b2WheelJoint.prototype.m_bias),box2d.b2WheelJoint.prototype.m_gamma=0,goog.exportProperty(box2d.b2WheelJoint.prototype,"m_gamma",box2d.b2WheelJoint.prototype.m_gamma),box2d.b2WheelJoint.prototype.m_qA=null,goog.exportProperty(box2d.b2WheelJoint.prototype,"m_qA",box2d.b2WheelJoint.prototype.m_qA),box2d.b2WheelJoint.prototype.m_qB=null,goog.exportProperty(box2d.b2WheelJoint.prototype,"m_qB",box2d.b2WheelJoint.prototype.m_qB),box2d.b2WheelJoint.prototype.m_lalcA=null,goog.exportProperty(box2d.b2WheelJoint.prototype,"m_lalcA",box2d.b2WheelJoint.prototype.m_lalcA),box2d.b2WheelJoint.prototype.m_lalcB=null,goog.exportProperty(box2d.b2WheelJoint.prototype,"m_lalcB",box2d.b2WheelJoint.prototype.m_lalcB),box2d.b2WheelJoint.prototype.m_rA=null,goog.exportProperty(box2d.b2WheelJoint.prototype,"m_rA",box2d.b2WheelJoint.prototype.m_rA),box2d.b2WheelJoint.prototype.m_rB=null,goog.exportProperty(box2d.b2WheelJoint.prototype,"m_rB",box2d.b2WheelJoint.prototype.m_rB),box2d.b2WheelJoint.prototype.GetMotorSpeed=function(){return this.m_motorSpeed},goog.exportProperty(box2d.b2WheelJoint.prototype,"GetMotorSpeed",box2d.b2WheelJoint.prototype.GetMotorSpeed),box2d.b2WheelJoint.prototype.GetMaxMotorTorque=function(){return this.m_maxMotorTorque},goog.exportProperty(box2d.b2WheelJoint.prototype,"GetMaxMotorTorque",box2d.b2WheelJoint.prototype.GetMaxMotorTorque),box2d.b2WheelJoint.prototype.SetSpringFrequencyHz=function(o){this.m_frequencyHz=o},goog.exportProperty(box2d.b2WheelJoint.prototype,"SetSpringFrequencyHz",box2d.b2WheelJoint.prototype.SetSpringFrequencyHz),box2d.b2WheelJoint.prototype.GetSpringFrequencyHz=function(){return this.m_frequencyHz},goog.exportProperty(box2d.b2WheelJoint.prototype,"GetSpringFrequencyHz",box2d.b2WheelJoint.prototype.GetSpringFrequencyHz),box2d.b2WheelJoint.prototype.SetSpringDampingRatio=function(o){this.m_dampingRatio=o},goog.exportProperty(box2d.b2WheelJoint.prototype,"SetSpringDampingRatio",box2d.b2WheelJoint.prototype.SetSpringDampingRatio),box2d.b2WheelJoint.prototype.GetSpringDampingRatio=function(){return this.m_dampingRatio},goog.exportProperty(box2d.b2WheelJoint.prototype,"GetSpringDampingRatio",box2d.b2WheelJoint.prototype.GetSpringDampingRatio),box2d.b2WheelJoint.prototype.InitVelocityConstraints=function(o){this.m_indexA=this.m_bodyA.m_islandIndex,this.m_indexB=this.m_bodyB.m_islandIndex,this.m_localCenterA.Copy(this.m_bodyA.m_sweep.localCenter),this.m_localCenterB.Copy(this.m_bodyB.m_sweep.localCenter),this.m_invMassA=this.m_bodyA.m_invMass,this.m_invMassB=this.m_bodyB.m_invMass,this.m_invIA=this.m_bodyA.m_invI,this.m_invIB=this.m_bodyB.m_invI;var t=this.m_invMassA,e=this.m_invMassB,r=this.m_invIA,i=this.m_invIB,n=o.positions[this.m_indexA].c,p=o.velocities[this.m_indexA].v,s=o.velocities[this.m_indexA].w,l=o.positions[this.m_indexB].c,x=o.positions[this.m_indexB].a,y=o.velocities[this.m_indexB].v,_=o.velocities[this.m_indexB].w,m=this.m_qA.SetAngle(o.positions[this.m_indexA].a),u=this.m_qB.SetAngle(x);box2d.b2Sub_V2_V2(this.m_localAnchorA,this.m_localCenterA,this.m_lalcA),x=box2d.b2Mul_R_V2(m,this.m_lalcA,this.m_rA),box2d.b2Sub_V2_V2(this.m_localAnchorB,this.m_localCenterB,this.m_lalcB),u=box2d.b2Mul_R_V2(u,this.m_lalcB,this.m_rB),n=box2d.b2Sub_V2_V2(box2d.b2Add_V2_V2(l,u,box2d.b2Vec2.s_t0),box2d.b2Add_V2_V2(n,x,box2d.b2Vec2.s_t1),box2d.b2WheelJoint.prototype.InitVelocityConstraints.s_d),box2d.b2Mul_R_V2(m,this.m_localYAxisA,this.m_ay),this.m_sAy=box2d.b2Cross_V2_V2(box2d.b2Add_V2_V2(n,x,box2d.b2Vec2.s_t0),this.m_ay),this.m_sBy=box2d.b2Cross_V2_V2(u,this.m_ay),this.m_mass=t+e+r*this.m_sAy*this.m_sAy+i*this.m_sBy*this.m_sBy,0<this.m_mass&&(this.m_mass=1/this.m_mass),this.m_gamma=this.m_bias=this.m_springMass=0,0<this.m_frequencyHz?(box2d.b2Mul_R_V2(m,this.m_localXAxisA,this.m_ax),this.m_sAx=box2d.b2Cross_V2_V2(box2d.b2Add_V2_V2(n,x,box2d.b2Vec2.s_t0),this.m_ax),this.m_sBx=box2d.b2Cross_V2_V2(u,this.m_ax),0<(t=t+e+r*this.m_sAx*this.m_sAx+i*this.m_sBx*this.m_sBx)&&(this.m_springMass=1/t,e=box2d.b2Dot_V2_V2(n,this.m_ax),m=2*box2d.b2_pi*this.m_frequencyHz,n=this.m_springMass*m*m,l=o.step.dt,this.m_gamma=l*(2*this.m_springMass*this.m_dampingRatio*m+l*n),0<this.m_gamma&&(this.m_gamma=1/this.m_gamma),this.m_bias=e*l*n*this.m_gamma,this.m_springMass=t+this.m_gamma,0<this.m_springMass&&(this.m_springMass=1/this.m_springMass))):this.m_springImpulse=0,this.m_enableMotor?(this.m_motorMass=r+i,0<this.m_motorMass&&(this.m_motorMass=1/this.m_motorMass)):this.m_motorImpulse=this.m_motorMass=0,o.step.warmStarting?(this.m_impulse*=o.step.dtRatio,this.m_springImpulse*=o.step.dtRatio,this.m_motorImpulse*=o.step.dtRatio,r=box2d.b2Add_V2_V2(box2d.b2Mul_S_V2(this.m_impulse,this.m_ay,box2d.b2Vec2.s_t0),box2d.b2Mul_S_V2(this.m_springImpulse,this.m_ax,box2d.b2Vec2.s_t1),box2d.b2WheelJoint.prototype.InitVelocityConstraints.s_P),i=this.m_impulse*this.m_sAy+this.m_springImpulse*this.m_sAx+this.m_motorImpulse,t=this.m_impulse*this.m_sBy+this.m_springImpulse*this.m_sBx+this.m_motorImpulse,p.SelfMulSub(this.m_invMassA,r),s-=this.m_invIA*i,y.SelfMulAdd(this.m_invMassB,r),_+=this.m_invIB*t):this.m_motorImpulse=this.m_springImpulse=this.m_impulse=0,o.velocities[this.m_indexA].w=s,o.velocities[this.m_indexB].w=_},goog.exportProperty(box2d.b2WheelJoint.prototype,"InitVelocityConstraints",box2d.b2WheelJoint.prototype.InitVelocityConstraints),box2d.b2WheelJoint.prototype.InitVelocityConstraints.s_d=new box2d.b2Vec2,box2d.b2WheelJoint.prototype.InitVelocityConstraints.s_P=new box2d.b2Vec2,box2d.b2WheelJoint.prototype.SolveVelocityConstraints=function(o){var t=this.m_invMassA,e=this.m_invMassB,r=this.m_invIA,i=this.m_invIB,n=o.velocities[this.m_indexA].v,p=o.velocities[this.m_indexA].w,s=o.velocities[this.m_indexB].v,l=o.velocities[this.m_indexB].w,x=box2d.b2Dot_V2_V2(this.m_ax,box2d.b2Sub_V2_V2(s,n,box2d.b2Vec2.s_t0))+this.m_sBx*l-this.m_sAx*p;x=-this.m_springMass*(x+this.m_bias+this.m_gamma*this.m_springImpulse);this.m_springImpulse+=x;var y=box2d.b2Mul_S_V2(x,this.m_ax,box2d.b2WheelJoint.prototype.SolveVelocityConstraints.s_P),_=x*this.m_sAx;x*=this.m_sBx;n.SelfMulSub(t,y),p-=r*_,s.SelfMulAdd(e,y),x=(l+=i*x)-p-this.m_motorSpeed,x*=-this.m_motorMass,y=this.m_motorImpulse,_=o.step.dt*this.m_maxMotorTorque,this.m_motorImpulse=box2d.b2Clamp(this.m_motorImpulse+x,-_,_),p-=r*(x=this.m_motorImpulse-y),l+=i*x,x=box2d.b2Dot_V2_V2(this.m_ay,box2d.b2Sub_V2_V2(s,n,box2d.b2Vec2.s_t0))+this.m_sBy*l-this.m_sAy*p,x*=-this.m_mass,this.m_impulse+=x,y=box2d.b2Mul_S_V2(x,this.m_ay,box2d.b2WheelJoint.prototype.SolveVelocityConstraints.s_P),_=x*this.m_sAy,x*=this.m_sBy,n.SelfMulSub(t,y),p-=r*_,s.SelfMulAdd(e,y),o.velocities[this.m_indexA].w=p,o.velocities[this.m_indexB].w=l+i*x},goog.exportProperty(box2d.b2WheelJoint.prototype,"SolveVelocityConstraints",box2d.b2WheelJoint.prototype.SolveVelocityConstraints),box2d.b2WheelJoint.prototype.SolveVelocityConstraints.s_P=new box2d.b2Vec2,box2d.b2WheelJoint.prototype.SolvePositionConstraints=function(o){var t=o.positions[this.m_indexA].c,e=o.positions[this.m_indexA].a,r=o.positions[this.m_indexB].c,i=o.positions[this.m_indexB].a,n=this.m_qA.SetAngle(e),p=this.m_qB.SetAngle(i);box2d.b2Sub_V2_V2(this.m_localAnchorA,this.m_localCenterA,this.m_lalcA);var s=box2d.b2Mul_R_V2(n,this.m_lalcA,this.m_rA);box2d.b2Sub_V2_V2(this.m_localAnchorB,this.m_localCenterB,this.m_lalcB);p=box2d.b2Mul_R_V2(p,this.m_lalcB,this.m_rB);var l=box2d.b2Add_V2_V2(box2d.b2Sub_V2_V2(r,t,box2d.b2Vec2.s_t0),box2d.b2Sub_V2_V2(p,s,box2d.b2Vec2.s_t1),box2d.b2WheelJoint.prototype.SolvePositionConstraints.s_d),x=(n=box2d.b2Mul_R_V2(n,this.m_localYAxisA,this.m_ay),s=box2d.b2Cross_V2_V2(box2d.b2Add_V2_V2(l,s,box2d.b2Vec2.s_t0),n),p=box2d.b2Cross_V2_V2(p,n),l=box2d.b2Dot_V2_V2(l,this.m_ay),0!==(x=this.m_invMassA+this.m_invMassB+this.m_invIA*this.m_sAy*this.m_sAy+this.m_invIB*this.m_sBy*this.m_sBy)?-l/x:0);n=box2d.b2Mul_S_V2(x,n,box2d.b2WheelJoint.prototype.SolvePositionConstraints.s_P),s*=x,p*=x;return t.SelfMulSub(this.m_invMassA,n),e-=this.m_invIA*s,r.SelfMulAdd(this.m_invMassB,n),i+=this.m_invIB*p,o.positions[this.m_indexA].a=e,o.positions[this.m_indexB].a=i,box2d.b2Abs(l)<=box2d.b2_linearSlop},goog.exportProperty(box2d.b2WheelJoint.prototype,"SolvePositionConstraints",box2d.b2WheelJoint.prototype.SolvePositionConstraints),box2d.b2WheelJoint.prototype.SolvePositionConstraints.s_d=new box2d.b2Vec2,box2d.b2WheelJoint.prototype.SolvePositionConstraints.s_P=new box2d.b2Vec2,box2d.b2WheelJoint.prototype.GetDefinition=function(o){return box2d.ENABLE_ASSERTS&&box2d.b2Assert(!1),o},goog.exportProperty(box2d.b2WheelJoint.prototype,"GetDefinition",box2d.b2WheelJoint.prototype.GetDefinition),box2d.b2WheelJoint.prototype.GetAnchorA=function(o){return this.m_bodyA.GetWorldPoint(this.m_localAnchorA,o)},goog.exportProperty(box2d.b2WheelJoint.prototype,"GetAnchorA",box2d.b2WheelJoint.prototype.GetAnchorA),box2d.b2WheelJoint.prototype.GetAnchorB=function(o){return this.m_bodyB.GetWorldPoint(this.m_localAnchorB,o)},goog.exportProperty(box2d.b2WheelJoint.prototype,"GetAnchorB",box2d.b2WheelJoint.prototype.GetAnchorB),box2d.b2WheelJoint.prototype.GetReactionForce=function(o,t){return t.x=o*(this.m_impulse*this.m_ay.x+this.m_springImpulse*this.m_ax.x),t.y=o*(this.m_impulse*this.m_ay.y+this.m_springImpulse*this.m_ax.y),t},goog.exportProperty(box2d.b2WheelJoint.prototype,"GetReactionForce",box2d.b2WheelJoint.prototype.GetReactionForce),box2d.b2WheelJoint.prototype.GetReactionTorque=function(o){return o*this.m_motorImpulse},goog.exportProperty(box2d.b2WheelJoint.prototype,"GetReactionTorque",box2d.b2WheelJoint.prototype.GetReactionTorque),box2d.b2WheelJoint.prototype.GetLocalAnchorA=function(o){return o.Copy(this.m_localAnchorA)},goog.exportProperty(box2d.b2WheelJoint.prototype,"GetLocalAnchorA",box2d.b2WheelJoint.prototype.GetLocalAnchorA),box2d.b2WheelJoint.prototype.GetLocalAnchorB=function(o){return o.Copy(this.m_localAnchorB)},goog.exportProperty(box2d.b2WheelJoint.prototype,"GetLocalAnchorB",box2d.b2WheelJoint.prototype.GetLocalAnchorB),box2d.b2WheelJoint.prototype.GetLocalAxisA=function(o){return o.Copy(this.m_localXAxisA)},goog.exportProperty(box2d.b2WheelJoint.prototype,"GetLocalAxisA",box2d.b2WheelJoint.prototype.GetLocalAxisA),box2d.b2WheelJoint.prototype.GetJointTranslation=function(){return this.GetPrismaticJointTranslation()},goog.exportProperty(box2d.b2WheelJoint.prototype,"GetJointTranslation",box2d.b2WheelJoint.prototype.GetJointTranslation),box2d.b2WheelJoint.prototype.GetJointSpeed=function(){return this.GetRevoluteJointSpeed()},goog.exportProperty(box2d.b2WheelJoint.prototype,"GetJointSpeed",box2d.b2WheelJoint.prototype.GetJointSpeed),box2d.b2WheelJoint.prototype.GetPrismaticJointTranslation=function(){var o=this.m_bodyA,t=this.m_bodyB,e=o.GetWorldPoint(this.m_localAnchorA,new box2d.b2Vec2);t=t.GetWorldPoint(this.m_localAnchorB,new box2d.b2Vec2),e=box2d.b2Sub_V2_V2(t,e,new box2d.b2Vec2),o=o.GetWorldVector(this.m_localXAxisA,new box2d.b2Vec2);return box2d.b2Dot_V2_V2(e,o)},goog.exportProperty(box2d.b2WheelJoint.prototype,"GetPrismaticJointTranslation",box2d.b2WheelJoint.prototype.GetPrismaticJointTranslation),box2d.b2WheelJoint.prototype.GetPrismaticJointSpeed=function(){var o=this.m_bodyA,t=this.m_bodyB;box2d.b2Sub_V2_V2(this.m_localAnchorA,o.m_sweep.localCenter,this.m_lalcA);var e=box2d.b2Mul_R_V2(o.m_xf.q,this.m_lalcA,this.m_rA);box2d.b2Sub_V2_V2(this.m_localAnchorB,t.m_sweep.localCenter,this.m_lalcB);var r=box2d.b2Mul_R_V2(t.m_xf.q,this.m_lalcB,this.m_rB),i=box2d.b2Add_V2_V2(o.m_sweep.c,e,box2d.b2Vec2.s_t0),n=box2d.b2Add_V2_V2(t.m_sweep.c,r,box2d.b2Vec2.s_t1),p=(i=box2d.b2Sub_V2_V2(n,i,box2d.b2Vec2.s_t2),n=o.GetWorldVector(this.m_localXAxisA,new box2d.b2Vec2),o.m_linearVelocity),s=t.m_linearVelocity;o=o.m_angularVelocity,t=t.m_angularVelocity;return box2d.b2Dot_V2_V2(i,box2d.b2Cross_S_V2(o,n,box2d.b2Vec2.s_t0))+box2d.b2Dot_V2_V2(n,box2d.b2Sub_V2_V2(box2d.b2AddCross_V2_S_V2(s,t,r,box2d.b2Vec2.s_t0),box2d.b2AddCross_V2_S_V2(p,o,e,box2d.b2Vec2.s_t1),box2d.b2Vec2.s_t0))},goog.exportProperty(box2d.b2WheelJoint.prototype,"GetPrismaticJointSpeed",box2d.b2WheelJoint.prototype.GetPrismaticJointSpeed),box2d.b2WheelJoint.prototype.GetRevoluteJointAngle=function(){return this.m_bodyB.m_sweep.a-this.m_bodyA.m_sweep.a},goog.exportProperty(box2d.b2WheelJoint.prototype,"GetRevoluteJointAngle",box2d.b2WheelJoint.prototype.GetRevoluteJointAngle),box2d.b2WheelJoint.prototype.GetRevoluteJointSpeed=function(){return this.m_bodyB.m_angularVelocity-this.m_bodyA.m_angularVelocity},goog.exportProperty(box2d.b2WheelJoint.prototype,"GetRevoluteJointSpeed",box2d.b2WheelJoint.prototype.GetRevoluteJointSpeed),box2d.b2WheelJoint.prototype.IsMotorEnabled=function(){return 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0===this.r&&0===this.g&&0===this.b&&0===this.a},goog.exportProperty(box2d.b2ParticleColor.prototype,"IsZero",box2d.b2ParticleColor.prototype.IsZero),box2d.b2ParticleColor.prototype.GetColor=function(o){return o.r=this.r/255,o.g=this.g/255,o.b=this.b/255,o.a=this.a/255,o},goog.exportProperty(box2d.b2ParticleColor.prototype,"GetColor",box2d.b2ParticleColor.prototype.GetColor),box2d.b2ParticleColor.prototype.Set=function(o,t,e,r){if(o instanceof box2d.b2Color)this.SetColor(o);else{if(!(3<=arguments.length))throw Error();this.SetRGBA(o||0,t||0,e||0,r)}},goog.exportProperty(box2d.b2ParticleColor.prototype,"Set",box2d.b2ParticleColor.prototype.Set),box2d.b2ParticleColor.prototype.SetRGBA=function(o,t,e,r){this.r=o,this.g=t,this.b=e,this.a="number"==typeof r?r:255},goog.exportProperty(box2d.b2ParticleColor.prototype,"SetRGBA",box2d.b2ParticleColor.prototype.SetRGBA),box2d.b2ParticleColor.prototype.SetColor=function(o){this.r=255*o.r,this.g=255*o.g,this.b=255*o.b,this.a=255*o.a},goog.exportProperty(box2d.b2ParticleColor.prototype,"SetColor",box2d.b2ParticleColor.prototype.SetColor),box2d.b2ParticleColor.prototype.Copy=function(o){return this.r=o.r,this.g=o.g,this.b=o.b,this.a=o.a,this},goog.exportProperty(box2d.b2ParticleColor.prototype,"Copy",box2d.b2ParticleColor.prototype.Copy),box2d.b2ParticleColor.prototype.Clone=function(){return new box2d.b2ParticleColor(this.r,this.g,this.b,this.a)},box2d.b2ParticleColor.prototype.SelfMul_0_1=function(o){return this.r*=o,this.g*=o,this.b*=o,this.a*=o,this},goog.exportProperty(box2d.b2ParticleColor.prototype,"SelfMul_0_1",box2d.b2ParticleColor.prototype.SelfMul_0_1),box2d.b2ParticleColor.prototype.SelfMul_0_255=function(o){return o+=1,this.r=this.r*o>>box2d.b2ParticleColor.k_bitsPerComponent,this.g=this.g*o>>box2d.b2ParticleColor.k_bitsPerComponent,this.b=this.b*o>>box2d.b2ParticleColor.k_bitsPerComponent,this.a=this.a*o>>box2d.b2ParticleColor.k_bitsPerComponent,this},goog.exportProperty(box2d.b2ParticleColor.prototype,"SelfMul_0_255",box2d.b2ParticleColor.prototype.SelfMul_0_255),box2d.b2ParticleColor.prototype.Mul_0_1=function(o,t){return t.Copy(this).SelfMul_0_1(o)},goog.exportProperty(box2d.b2ParticleColor.prototype,"Mul_0_1",box2d.b2ParticleColor.prototype.Mul_0_1),box2d.b2ParticleColor.prototype.Mul_0_255=function(o,t){return t.Copy(this).SelfMul_0_255(o)},goog.exportProperty(box2d.b2ParticleColor.prototype,"Mul_0_255",box2d.b2ParticleColor.prototype.Mul_0_255),box2d.b2ParticleColor.prototype.SelfAdd=function(o){return this.r+=o.r,this.g+=o.g,this.b+=o.b,this.a+=o.a,this},goog.exportProperty(box2d.b2ParticleColor.prototype,"SelfAdd",box2d.b2ParticleColor.prototype.SelfAdd),box2d.b2ParticleColor.prototype.Add=function(o,t){return t.r=this.r+o.r,t.g=this.g+o.g,t.b=this.b+o.b,t.a=this.a+o.a,t},goog.exportProperty(box2d.b2ParticleColor.prototype,"Add",box2d.b2ParticleColor.prototype.Add),box2d.b2ParticleColor.prototype.SelfSub=function(o){return this.r-=o.r,this.g-=o.g,this.b-=o.b,this.a-=o.a,this},goog.exportProperty(box2d.b2ParticleColor.prototype,"SelfSub",box2d.b2ParticleColor.prototype.SelfSub),box2d.b2ParticleColor.prototype.Sub=function(o,t){return t.r=this.r-o.r,t.g=this.g-o.g,t.b=this.b-o.b,t.a=this.a-o.a,t},goog.exportProperty(box2d.b2ParticleColor.prototype,"Sub",box2d.b2ParticleColor.prototype.Sub),box2d.b2ParticleColor.prototype.IsEqual=function(o){return this.r===o.r&&this.g===o.g&&this.b===o.b&&this.a===o.a},goog.exportProperty(box2d.b2ParticleColor.prototype,"IsEqual",box2d.b2ParticleColor.prototype.IsEqual),box2d.b2ParticleColor.prototype.Mix=function(o,t){box2d.b2ParticleColor.MixColors(this,o,t)},goog.exportProperty(box2d.b2ParticleColor.prototype,"Mix",box2d.b2ParticleColor.prototype.Mix),box2d.b2ParticleColor.MixColors=function(o,t,e){var r=e*(t.r-o.r)>>box2d.b2ParticleColor.k_bitsPerComponent,i=e*(t.g-o.g)>>box2d.b2ParticleColor.k_bitsPerComponent,n=e*(t.b-o.b)>>box2d.b2ParticleColor.k_bitsPerComponent;e=e*(t.a-o.a)>>box2d.b2ParticleColor.k_bitsPerComponent,o.r+=r,o.g+=i,o.b+=n,o.a+=e,t.r-=r,t.g-=i,t.b-=n,t.a-=e},goog.exportProperty(box2d.b2ParticleColor,"MixColors",box2d.b2ParticleColor.MixColors),box2d.B2PARTICLECOLOR_BITS_PER_COMPONENT=8,box2d.B2PARTICLECOLOR_MAX_VALUE=(1<<box2d.B2PARTICLECOLOR_BITS_PER_COMPONENT)-1,box2d.b2ParticleColor.k_maxValue=+box2d.B2PARTICLECOLOR_MAX_VALUE,goog.exportProperty(box2d.b2ParticleColor,"k_maxValue",box2d.b2ParticleColor.k_maxValue),box2d.b2ParticleColor.k_inverseMaxValue=1/+box2d.B2PARTICLECOLOR_MAX_VALUE,goog.exportProperty(box2d.b2ParticleColor,"k_inverseMaxValue",box2d.b2ParticleColor.k_inverseMaxValue),box2d.b2ParticleColor.k_bitsPerComponent=box2d.B2PARTICLECOLOR_BITS_PER_COMPONENT,goog.exportProperty(box2d.b2ParticleColor,"k_bitsPerComponent",box2d.b2ParticleColor.k_bitsPerComponent),box2d.b2ParticleColor_zero=new 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box2d.b2Vec2(0,0)},goog.exportSymbol("box2d.b2ParticleTriad",box2d.b2ParticleTriad),box2d.b2ParticleTriad.prototype.indexA=0,goog.exportProperty(box2d.b2ParticleTriad.prototype,"indexA",box2d.b2ParticleTriad.prototype.indexA),box2d.b2ParticleTriad.prototype.indexB=0,goog.exportProperty(box2d.b2ParticleTriad.prototype,"indexB",box2d.b2ParticleTriad.prototype.indexB),box2d.b2ParticleTriad.prototype.indexC=0,goog.exportProperty(box2d.b2ParticleTriad.prototype,"indexC",box2d.b2ParticleTriad.prototype.indexC),box2d.b2ParticleTriad.prototype.flags=0,goog.exportProperty(box2d.b2ParticleTriad.prototype,"flags",box2d.b2ParticleTriad.prototype.flags),box2d.b2ParticleTriad.prototype.strength=0,goog.exportProperty(box2d.b2ParticleTriad.prototype,"strength",box2d.b2ParticleTriad.prototype.strength),box2d.b2ParticleTriad.prototype.pa=null,goog.exportProperty(box2d.b2ParticleTriad.prototype,"pa",box2d.b2ParticleTriad.prototype.pa),box2d.b2ParticleTriad.prototype.pb=null,goog.exportProperty(box2d.b2ParticleTriad.prototype,"pb",box2d.b2ParticleTriad.prototype.pb),box2d.b2ParticleTriad.prototype.pc=null,goog.exportProperty(box2d.b2ParticleTriad.prototype,"pc",box2d.b2ParticleTriad.prototype.pc),box2d.b2ParticleTriad.prototype.ka=0,goog.exportProperty(box2d.b2ParticleTriad.prototype,"ka",box2d.b2ParticleTriad.prototype.ka),box2d.b2ParticleTriad.prototype.kb=0,goog.exportProperty(box2d.b2ParticleTriad.prototype,"kb",box2d.b2ParticleTriad.prototype.kb),box2d.b2ParticleTriad.prototype.kc=0,goog.exportProperty(box2d.b2ParticleTriad.prototype,"kc",box2d.b2ParticleTriad.prototype.kc),box2d.b2ParticleTriad.prototype.s=0,goog.exportProperty(box2d.b2ParticleTriad.prototype,"s",box2d.b2ParticleTriad.prototype.s),box2d.b2ParticleSystemDef=function(){},goog.exportSymbol("box2d.b2ParticleSystemDef",box2d.b2ParticleSystemDef),box2d.b2ParticleSystemDef.prototype.strictContactCheck=!1,goog.exportProperty(box2d.b2ParticleSystemDef.prototype,"strictContactCheck",box2d.b2ParticleSystemDef.prototype.strictContactCheck),box2d.b2ParticleSystemDef.prototype.density=1,goog.exportProperty(box2d.b2ParticleSystemDef.prototype,"density",box2d.b2ParticleSystemDef.prototype.density),box2d.b2ParticleSystemDef.prototype.gravityScale=1,goog.exportProperty(box2d.b2ParticleSystemDef.prototype,"gravityScale",box2d.b2ParticleSystemDef.prototype.gravityScale),box2d.b2ParticleSystemDef.prototype.radius=1,goog.exportProperty(box2d.b2ParticleSystemDef.prototype,"radius",box2d.b2ParticleSystemDef.prototype.radius),box2d.b2ParticleSystemDef.prototype.maxCount=0,goog.exportProperty(box2d.b2ParticleSystemDef.prototype,"maxCount",box2d.b2ParticleSystemDef.prototype.maxCount),box2d.b2ParticleSystemDef.prototype.pressureStrength=.005,goog.exportProperty(box2d.b2ParticleSystemDef.prototype,"pressureStrength",box2d.b2ParticleSystemDef.prototype.pressureStrength),box2d.b2ParticleSystemDef.prototype.dampingStrength=1,goog.exportProperty(box2d.b2ParticleSystemDef.prototype,"dampingStrength",box2d.b2ParticleSystemDef.prototype.dampingStrength),box2d.b2ParticleSystemDef.prototype.elasticStrength=.25,goog.exportProperty(box2d.b2ParticleSystemDef.prototype,"elasticStrength",box2d.b2ParticleSystemDef.prototype.elasticStrength),box2d.b2ParticleSystemDef.prototype.springStrength=.25,goog.exportProperty(box2d.b2ParticleSystemDef.prototype,"springStrength",box2d.b2ParticleSystemDef.prototype.springStrength),box2d.b2ParticleSystemDef.prototype.viscousStrength=.25,goog.exportProperty(box2d.b2ParticleSystemDef.prototype,"viscousStrength",box2d.b2ParticleSystemDef.prototype.viscousStrength),box2d.b2ParticleSystemDef.prototype.surfaceTensionPressureStrength=.2,goog.exportProperty(box2d.b2ParticleSystemDef.prototype,"surfaceTensionPressureStrength",box2d.b2ParticleSystemDef.prototype.surfaceTensionPressureStrength),box2d.b2ParticleSystemDef.prototype.surfaceTensionNormalStrength=.2,goog.exportProperty(box2d.b2ParticleSystemDef.prototype,"surfaceTensionNormalStrength",box2d.b2ParticleSystemDef.prototype.surfaceTensionNormalStrength),box2d.b2ParticleSystemDef.prototype.repulsiveStrength=1,goog.exportProperty(box2d.b2ParticleSystemDef.prototype,"repulsiveStrength",box2d.b2ParticleSystemDef.prototype.repulsiveStrength),box2d.b2ParticleSystemDef.prototype.powderStrength=.5,goog.exportProperty(box2d.b2ParticleSystemDef.prototype,"powderStrength",box2d.b2ParticleSystemDef.prototype.powderStrength),box2d.b2ParticleSystemDef.prototype.ejectionStrength=.5,goog.exportProperty(box2d.b2ParticleSystemDef.prototype,"ejectionStrength",box2d.b2ParticleSystemDef.prototype.ejectionStrength),box2d.b2ParticleSystemDef.prototype.staticPressureStrength=.2,goog.exportProperty(box2d.b2ParticleSystemDef.prototype,"staticPressureStrength",box2d.b2ParticleSystemDef.prototype.staticPressureStrength),box2d.b2ParticleSystemDef.prototype.staticPressureRelaxation=.2,goog.exportProperty(box2d.b2ParticleSystemDef.prototype,"staticPressureRelaxation",box2d.b2ParticleSystemDef.prototype.staticPressureRelaxation),box2d.b2ParticleSystemDef.prototype.staticPressureIterations=8,goog.exportProperty(box2d.b2ParticleSystemDef.prototype,"staticPressureIterations",box2d.b2ParticleSystemDef.prototype.staticPressureIterations),box2d.b2ParticleSystemDef.prototype.colorMixingStrength=.5,goog.exportProperty(box2d.b2ParticleSystemDef.prototype,"colorMixingStrength",box2d.b2ParticleSystemDef.prototype.colorMixingStrength),box2d.b2ParticleSystemDef.prototype.destroyByAge=!0,goog.exportProperty(box2d.b2ParticleSystemDef.prototype,"destroyByAge",box2d.b2ParticleSystemDef.prototype.destroyByAge),box2d.b2ParticleSystemDef.prototype.lifetimeGranularity=1/60,goog.exportProperty(box2d.b2ParticleSystemDef.prototype,"lifetimeGranularity",box2d.b2ParticleSystemDef.prototype.lifetimeGranularity),box2d.b2ParticleSystemDef.prototype.Copy=function(o){return this.strictContactCheck=o.strictContactCheck,this.density=o.density,this.gravityScale=o.gravityScale,this.radius=o.radius,this.maxCount=o.maxCount,this.pressureStrength=o.pressureStrength,this.dampingStrength=o.dampingStrength,this.elasticStrength=o.elasticStrength,this.springStrength=o.springStrength,this.viscousStrength=o.viscousStrength,this.surfaceTensionPressureStrength=o.surfaceTensionPressureStrength,this.surfaceTensionNormalStrength=o.surfaceTensionNormalStrength,this.repulsiveStrength=o.repulsiveStrength,this.powderStrength=o.powderStrength,this.ejectionStrength=o.ejectionStrength,this.staticPressureStrength=o.staticPressureStrength,this.staticPressureRelaxation=o.staticPressureRelaxation,this.staticPressureIterations=o.staticPressureIterations,this.colorMixingStrength=o.colorMixingStrength,this.destroyByAge=o.destroyByAge,this.lifetimeGranularity=o.lifetimeGranularity,this},box2d.b2ParticleSystemDef.prototype.Clone=function(){return(new box2d.b2ParticleSystemDef).Copy(this)},box2d.b2ParticleSystem=function(o,t){this._ctor_(o,t)},goog.exportSymbol("box2d.b2ParticleSystem",box2d.b2ParticleSystem),box2d.b2ParticleSystem.prototype.m_paused=!1,box2d.b2ParticleSystem.prototype.m_timestamp=0,box2d.b2ParticleSystem.prototype.m_allParticleFlags=0,box2d.b2ParticleSystem.prototype.m_needsUpdateAllParticleFlags=!1,box2d.b2ParticleSystem.prototype.m_allGroupFlags=0,box2d.b2ParticleSystem.prototype.m_needsUpdateAllGroupFlags=!1,box2d.b2ParticleSystem.prototype.m_hasForce=!1,box2d.b2ParticleSystem.prototype.m_iterationIndex=0,box2d.b2ParticleSystem.prototype.m_inverseDensity=0,box2d.b2ParticleSystem.prototype.m_particleDiameter=0,box2d.b2ParticleSystem.prototype.m_inverseDiameter=0,box2d.b2ParticleSystem.prototype.m_squaredDiameter=0,box2d.b2ParticleSystem.prototype.m_count=0,box2d.b2ParticleSystem.prototype.m_internalAllocatedCapacity=0,box2d.b2ParticleSystem.prototype.m_handleAllocator=null,box2d.b2ParticleSystem.prototype.m_handleIndexBuffer=null,box2d.b2ParticleSystem.prototype.m_flagsBuffer=null,box2d.b2ParticleSystem.prototype.m_positionBuffer=null,box2d.b2ParticleSystem.prototype.m_velocityBuffer=null,box2d.b2ParticleSystem.prototype.m_forceBuffer=null,box2d.b2ParticleSystem.prototype.m_weightBuffer=null,box2d.b2ParticleSystem.prototype.m_staticPressureBuffer=null,box2d.b2ParticleSystem.prototype.m_accumulationBuffer=null,box2d.b2ParticleSystem.prototype.m_accumulation2Buffer=null,box2d.b2ParticleSystem.prototype.m_depthBuffer=null,box2d.b2ParticleSystem.prototype.m_colorBuffer=null,box2d.b2ParticleSystem.prototype.m_groupBuffer=null,box2d.b2ParticleSystem.prototype.m_userDataBuffer=null,box2d.b2ParticleSystem.prototype.m_stuckThreshold=0,box2d.b2ParticleSystem.prototype.m_lastBodyContactStepBuffer=null,box2d.b2ParticleSystem.prototype.m_bodyContactCountBuffer=null,box2d.b2ParticleSystem.prototype.m_consecutiveContactStepsBuffer=null,box2d.b2ParticleSystem.prototype.m_stuckParticleBuffer=null,box2d.b2ParticleSystem.prototype.m_proxyBuffer=null,box2d.b2ParticleSystem.prototype.m_contactBuffer=null,box2d.b2ParticleSystem.prototype.m_bodyContactBuffer=null,box2d.b2ParticleSystem.prototype.m_pairBuffer=null,box2d.b2ParticleSystem.prototype.m_triadBuffer=null,box2d.b2ParticleSystem.prototype.m_expirationTimeBuffer=null,box2d.b2ParticleSystem.prototype.m_indexByExpirationTimeBuffer=null,box2d.b2ParticleSystem.prototype.m_timeElapsed=0,box2d.b2ParticleSystem.prototype.m_expirationTimeBufferRequiresSorting=!1,box2d.b2ParticleSystem.prototype.m_groupCount=0,box2d.b2ParticleSystem.prototype.m_groupList=null,box2d.b2ParticleSystem.prototype.m_def=null,box2d.b2ParticleSystem.prototype.m_world=null,box2d.b2ParticleSystem.prototype.m_prev=null,box2d.b2ParticleSystem.prototype.m_next=null,box2d.b2ParticleSystem.xTruncBits=12,box2d.b2ParticleSystem.yTruncBits=12,box2d.b2ParticleSystem.tagBits=32,box2d.b2ParticleSystem.yOffset=1<<box2d.b2ParticleSystem.yTruncBits-1,box2d.b2ParticleSystem.yShift=box2d.b2ParticleSystem.tagBits-box2d.b2ParticleSystem.yTruncBits,box2d.b2ParticleSystem.xShift=box2d.b2ParticleSystem.tagBits-box2d.b2ParticleSystem.yTruncBits-box2d.b2ParticleSystem.xTruncBits,box2d.b2ParticleSystem.xScale=1<<box2d.b2ParticleSystem.xShift,box2d.b2ParticleSystem.xOffset=box2d.b2ParticleSystem.xScale*(1<<box2d.b2ParticleSystem.xTruncBits-1),box2d.b2ParticleSystem.yMask=(1<<box2d.b2ParticleSystem.yTruncBits)-1<<box2d.b2ParticleSystem.yShift,box2d.b2ParticleSystem.xMask=~box2d.b2ParticleSystem.yMask,box2d.b2ParticleSystem.computeTag=function(o,t){return(t+box2d.b2ParticleSystem.yOffset>>>0<<box2d.b2ParticleSystem.yShift)+(box2d.b2ParticleSystem.xScale*o+box2d.b2ParticleSystem.xOffset>>>0)>>>0},box2d.b2ParticleSystem.computeRelativeTag=function(o,t,e){return o+(e<<box2d.b2ParticleSystem.yShift)+(t<<box2d.b2ParticleSystem.xShift)>>>0},box2d.b2ParticleSystem.FixedSetAllocator=function(){},box2d.b2ParticleSystem.FixedSetAllocator.prototype.Invalidate=function(o){},box2d.b2ParticleSystem.FixtureParticle=function(o,t){this.first=o,this.second=t},box2d.b2ParticleSystem.FixtureParticle.prototype.first=null,box2d.b2ParticleSystem.FixtureParticle.prototype.second=box2d.b2_invalidParticleIndex,box2d.b2ParticleSystem.FixtureParticleSet=function(){},goog.inherits(box2d.b2ParticleSystem.FixtureParticleSet,box2d.b2ParticleSystem.FixedSetAllocator),box2d.b2ParticleSystem.FixtureParticleSet.prototype.Initialize=function(o,t){},box2d.b2ParticleSystem.FixtureParticleSet.prototype.Find=function(o){},box2d.b2ParticleSystem.ParticlePair=function(o,t){},box2d.b2ParticleSystem.ParticlePair.prototype.first=box2d.b2_invalidParticleIndex,box2d.b2ParticleSystem.ParticlePair.prototype.second=box2d.b2_invalidParticleIndex,box2d.b2ParticleSystem.b2ParticlePairSet=function(){},goog.inherits(box2d.b2ParticleSystem.b2ParticlePairSet,box2d.b2ParticleSystem.FixedSetAllocator),box2d.b2ParticleSystem.b2ParticlePairSet.prototype.Initialize=function(o,t){},box2d.b2ParticleSystem.b2ParticlePairSet.prototype.Find=function(o){},box2d.b2ParticleSystem.ConnectionFilter=function(){},box2d.b2ParticleSystem.ConnectionFilter.prototype.IsNecessary=function(o){return!0},box2d.b2ParticleSystem.ConnectionFilter.prototype.ShouldCreatePair=function(o,t){return!0},box2d.b2ParticleSystem.ConnectionFilter.prototype.ShouldCreateTriad=function(o,t,e){return!0},box2d.b2ParticleSystem.prototype._ctor_=function(o,t){this.m_handleIndexBuffer=new box2d.b2ParticleSystem.UserOverridableBuffer,this.m_flagsBuffer=new box2d.b2ParticleSystem.UserOverridableBuffer,this.m_positionBuffer=new box2d.b2ParticleSystem.UserOverridableBuffer,this.m_velocityBuffer=new box2d.b2ParticleSystem.UserOverridableBuffer,this.m_forceBuffer=[],this.m_weightBuffer=[],this.m_staticPressureBuffer=[],this.m_accumulationBuffer=[],this.m_accumulation2Buffer=[],this.m_depthBuffer=[],this.m_colorBuffer=new box2d.b2ParticleSystem.UserOverridableBuffer,this.m_groupBuffer=[],this.m_userDataBuffer=new box2d.b2ParticleSystem.UserOverridableBuffer,this.m_lastBodyContactStepBuffer=new box2d.b2ParticleSystem.UserOverridableBuffer,this.m_bodyContactCountBuffer=new box2d.b2ParticleSystem.UserOverridableBuffer,this.m_consecutiveContactStepsBuffer=new box2d.b2ParticleSystem.UserOverridableBuffer,this.m_stuckParticleBuffer=new box2d.b2GrowableBuffer((function(){return 0})),this.m_proxyBuffer=new box2d.b2GrowableBuffer((function(){return new box2d.b2ParticleSystem.Proxy})),this.m_contactBuffer=new box2d.b2GrowableBuffer((function(){return new box2d.b2ParticleContact})),this.m_bodyContactBuffer=new box2d.b2GrowableBuffer((function(){return new box2d.b2ParticleBodyContact})),this.m_pairBuffer=new box2d.b2GrowableBuffer((function(){return new box2d.b2ParticlePair})),this.m_triadBuffer=new box2d.b2GrowableBuffer((function(){return new box2d.b2ParticleTriad})),this.m_expirationTimeBuffer=new box2d.b2ParticleSystem.UserOverridableBuffer,this.m_indexByExpirationTimeBuffer=new box2d.b2ParticleSystem.UserOverridableBuffer,this.m_def=new box2d.b2ParticleSystemDef,box2d.b2Assert(null!==o),this.SetStrictContactCheck(o.strictContactCheck),this.SetDensity(o.density),this.SetGravityScale(o.gravityScale),this.SetRadius(o.radius),this.SetMaxParticleCount(o.maxCount),box2d.b2Assert(0<o.lifetimeGranularity),this.m_def=o.Clone(),this.m_world=t,this.SetDestructionByAge(this.m_def.destroyByAge)},box2d.b2ParticleSystem.prototype._dtor_=function(){for(;this.m_groupList;)this.DestroyParticleGroup(this.m_groupList);this.FreeUserOverridableBuffer(this.m_handleIndexBuffer),this.FreeUserOverridableBuffer(this.m_flagsBuffer),this.FreeUserOverridableBuffer(this.m_lastBodyContactStepBuffer),this.FreeUserOverridableBuffer(this.m_bodyContactCountBuffer),this.FreeUserOverridableBuffer(this.m_consecutiveContactStepsBuffer),this.FreeUserOverridableBuffer(this.m_positionBuffer),this.FreeUserOverridableBuffer(this.m_velocityBuffer),this.FreeUserOverridableBuffer(this.m_colorBuffer),this.FreeUserOverridableBuffer(this.m_userDataBuffer),this.FreeUserOverridableBuffer(this.m_expirationTimeBuffer),this.FreeUserOverridableBuffer(this.m_indexByExpirationTimeBuffer),this.FreeBuffer(this.m_forceBuffer,this.m_internalAllocatedCapacity),this.FreeBuffer(this.m_weightBuffer,this.m_internalAllocatedCapacity),this.FreeBuffer(this.m_staticPressureBuffer,this.m_internalAllocatedCapacity),this.FreeBuffer(this.m_accumulationBuffer,this.m_internalAllocatedCapacity),this.FreeBuffer(this.m_accumulation2Buffer,this.m_internalAllocatedCapacity),this.FreeBuffer(this.m_depthBuffer,this.m_internalAllocatedCapacity),this.FreeBuffer(this.m_groupBuffer,this.m_internalAllocatedCapacity)},box2d.b2ParticleSystem.prototype.Drop=function(){this._dtor_()},box2d.b2ParticleSystem.prototype.CreateParticle=function(o){if(box2d.b2Assert(!1===this.m_world.IsLocked()),this.m_world.IsLocked())return 0;if(this.m_count>=this.m_internalAllocatedCapacity&&this.ReallocateInternalAllocatedBuffers(this.m_count?2*this.m_count:box2d.b2_minParticleSystemBufferCapacity),this.m_count>=this.m_internalAllocatedCapacity){if(!this.m_def.destroyByAge)return box2d.b2_invalidParticleIndex;this.DestroyOldestParticle(0,!1),this.SolveZombie()}var t=this.m_count++;this.m_flagsBuffer.data[t]=0,this.m_lastBodyContactStepBuffer.data&&(this.m_lastBodyContactStepBuffer.data[t]=0),this.m_bodyContactCountBuffer.data&&(this.m_bodyContactCountBuffer.data[t]=0),this.m_consecutiveContactStepsBuffer.data&&(this.m_consecutiveContactStepsBuffer.data[t]=0),this.m_positionBuffer.data[t]=(this.m_positionBuffer.data[t]||new box2d.b2Vec2).Copy(o.position),this.m_velocityBuffer.data[t]=(this.m_velocityBuffer.data[t]||new box2d.b2Vec2).Copy(o.velocity),this.m_weightBuffer[t]=0,this.m_forceBuffer[t]=(this.m_forceBuffer[t]||new box2d.b2Vec2).SetZero(),this.m_staticPressureBuffer&&(this.m_staticPressureBuffer[t]=0),this.m_depthBuffer&&(this.m_depthBuffer[t]=0),!this.m_colorBuffer.data&&o.color.IsZero()||(this.m_colorBuffer.data=this.RequestBuffer(this.m_colorBuffer.data),this.m_colorBuffer.data[t]=(this.m_colorBuffer.data[t]||new box2d.b2ParticleColor).Copy(o.color)),(this.m_userDataBuffer.data||o.userData)&&(this.m_userDataBuffer.data=this.RequestBuffer(this.m_userDataBuffer.data),this.m_userDataBuffer.data[t]=o.userData),this.m_handleIndexBuffer.data&&(this.m_handleIndexBuffer.data[t]=null);var e=this.m_proxyBuffer.data[this.m_proxyBuffer.Append()],r=0<o.lifetime;return(this.m_expirationTimeBuffer.data||r)&&(this.SetParticleLifetime(t,r?o.lifetime:this.ExpirationTimeToLifetime(-this.GetQuantizedTimeElapsed())),this.m_indexByExpirationTimeBuffer.data[t]=t),e.index=t,e=o.group,(this.m_groupBuffer[t]=e)&&(e.m_firstIndex<e.m_lastIndex?(this.RotateBuffer(e.m_firstIndex,e.m_lastIndex,t),box2d.b2Assert(e.m_lastIndex===t)):e.m_firstIndex=t,e.m_lastIndex=t+1),this.SetParticleFlags(t,o.flags),t},goog.exportProperty(box2d.b2ParticleSystem.prototype,"CreateParticle",box2d.b2ParticleSystem.prototype.CreateParticle),box2d.b2ParticleSystem.prototype.GetParticleHandleFromIndex=function(o){box2d.b2Assert(0<=o&&o<this.GetParticleCount()&&o!==box2d.b2_invalidParticleIndex),this.m_handleIndexBuffer.data=this.RequestBuffer(this.m_handleIndexBuffer.data);var t=this.m_handleIndexBuffer.data[o];return t||(t=new box2d.b2ParticleHandle,box2d.b2Assert(null!==t),t.SetIndex(o),this.m_handleIndexBuffer.data[o]=t)},goog.exportProperty(box2d.b2ParticleSystem.prototype,"GetParticleHandleFromIndex",box2d.b2ParticleSystem.prototype.GetParticleHandleFromIndex),box2d.b2ParticleSystem.prototype.DestroyParticle=function(o,t){var e=box2d.b2ParticleFlag.b2_zombieParticle;t&&(e|=box2d.b2ParticleFlag.b2_destructionListenerParticle),this.SetParticleFlags(o,this.m_flagsBuffer.data[o]|e)},goog.exportProperty(box2d.b2ParticleSystem.prototype,"DestroyParticle",box2d.b2ParticleSystem.prototype.DestroyParticle),box2d.b2ParticleSystem.prototype.DestroyOldestParticle=function(o,t){var e=this.GetParticleCount();box2d.b2Assert(0<=o&&o<e),box2d.b2Assert(null!==this.m_indexByExpirationTimeBuffer.data);e=this.m_indexByExpirationTimeBuffer.data[e-(o+1)];var r=this.m_indexByExpirationTimeBuffer.data[o];this.DestroyParticle(0<this.m_expirationTimeBuffer.data[e]?e:r,t)},box2d.b2ParticleSystem.DestroyParticlesInShapeCallback=function(o,t,e,r){this.m_system=o,this.m_shape=t,this.m_xf=e,this.m_callDestructionListener=r,this.m_destroyed=0},goog.inherits(box2d.b2ParticleSystem.DestroyParticlesInShapeCallback,box2d.b2QueryCallback),box2d.b2ParticleSystem.DestroyParticlesInShapeCallback.prototype.m_system=null,box2d.b2ParticleSystem.DestroyParticlesInShapeCallback.prototype.m_shape=null,box2d.b2ParticleSystem.DestroyParticlesInShapeCallback.prototype.m_xf=null,box2d.b2ParticleSystem.DestroyParticlesInShapeCallback.prototype.m_callDestructionListener=!1,box2d.b2ParticleSystem.DestroyParticlesInShapeCallback.prototype.m_destroyed=0,box2d.b2ParticleSystem.DestroyParticlesInShapeCallback.prototype.ReportFixture=function(o){return!1},box2d.b2ParticleSystem.DestroyParticlesInShapeCallback.prototype.ReportParticle=function(o,t){return o===this.m_system&&(box2d.b2Assert(0<=t&&t<this.m_system.m_count),this.m_shape.TestPoint(this.m_xf,this.m_system.m_positionBuffer.data[t])&&(this.m_system.DestroyParticle(t,this.m_callDestructionListener),this.m_destroyed++),!0)},box2d.b2ParticleSystem.DestroyParticlesInShapeCallback.prototype.Destroyed=function(){return this.m_destroyed},box2d.b2ParticleSystem.prototype.DestroyParticlesInShape=function(o,t,e){var r=box2d.b2ParticleSystem.prototype.DestroyParticlesInShape.s_aabb;return box2d.b2Assert(!1===this.m_world.IsLocked()),this.m_world.IsLocked()?0:(e=new box2d.b2ParticleSystem.DestroyParticlesInShapeCallback(this,o,t,e),o.ComputeAABB(r,t,0),this.m_world.QueryAABB(e,r),e.Destroyed())},goog.exportProperty(box2d.b2ParticleSystem.prototype,"DestroyParticlesInShape",box2d.b2ParticleSystem.prototype.DestroyParticlesInShape),box2d.b2ParticleSystem.prototype.DestroyParticlesInShape.s_aabb=new box2d.b2AABB,box2d.b2ParticleSystem.prototype.CreateParticleGroup=function(o){var t=box2d.b2ParticleSystem.prototype.CreateParticleGroup.s_transform;if(box2d.b2Assert(!1===this.m_world.IsLocked()),this.m_world.IsLocked())return null;t.Set(o.position,o.angle);var e=this.m_count;if(o.shape&&this.CreateParticlesWithShapeForGroup(o.shape,o,t),o.shapes&&this.CreateParticlesWithShapesForGroup(o.shapes,o.shapeCount,o,t),o.particleCount){box2d.b2Assert(null!==o.positionData);for(var r=0;r<o.particleCount;r++)this.CreateParticleForGroup(o,t,o.positionData[r])}var i=this.m_count,n=new box2d.b2ParticleGroup;for(n.m_system=this,n.m_firstIndex=e,n.m_lastIndex=i,n.m_strength=o.strength,n.m_userData=o.userData,n.m_transform.Copy(t),n.m_prev=null,(n.m_next=this.m_groupList)&&(this.m_groupList.m_prev=n),this.m_groupList=n,++this.m_groupCount,r=e;r<i;r++)this.m_groupBuffer[r]=n;return this.SetGroupFlags(n,o.groupFlags),t=new box2d.b2ParticleSystem.ConnectionFilter,this.UpdateContacts(!0),this.UpdatePairsAndTriads(e,i,t),o.group&&(this.JoinParticleGroups(o.group,n),n=o.group),n},goog.exportProperty(box2d.b2ParticleSystem.prototype,"CreateParticleGroup",box2d.b2ParticleSystem.prototype.CreateParticleGroup),box2d.b2ParticleSystem.prototype.CreateParticleGroup.s_transform=new box2d.b2Transform,box2d.b2ParticleSystem.JoinParticleGroupsFilter=function(o){this.m_threshold=o},goog.inherits(box2d.b2ParticleSystem.JoinParticleGroupsFilter,box2d.b2ParticleSystem.ConnectionFilter),box2d.b2ParticleSystem.JoinParticleGroupsFilter.prototype.m_threshold=0,box2d.b2ParticleSystem.JoinParticleGroupsFilter.prototype.ShouldCreatePair=function(o,t){return o<this.m_threshold&&this.m_threshold<=t||t<this.m_threshold&&this.m_threshold<=o},box2d.b2ParticleSystem.JoinParticleGroupsFilter.prototype.ShouldCreateTriad=function(o,t,e){return(o<this.m_threshold||t<this.m_threshold||e<this.m_threshold)&&(this.m_threshold<=o||this.m_threshold<=t||this.m_threshold<=e)},box2d.b2ParticleSystem.prototype.JoinParticleGroups=function(o,t){if(box2d.b2Assert(!1===this.m_world.IsLocked()),!this.m_world.IsLocked()){box2d.b2Assert(o!==t),this.RotateBuffer(t.m_firstIndex,t.m_lastIndex,this.m_count),box2d.b2Assert(t.m_lastIndex===this.m_count),this.RotateBuffer(o.m_firstIndex,o.m_lastIndex,t.m_firstIndex),box2d.b2Assert(o.m_lastIndex===t.m_firstIndex);var e=new box2d.b2ParticleSystem.JoinParticleGroupsFilter(t.m_firstIndex);for(this.UpdateContacts(!0),this.UpdatePairsAndTriads(o.m_firstIndex,t.m_lastIndex,e),e=t.m_firstIndex;e<t.m_lastIndex;e++)this.m_groupBuffer[e]=o;this.SetGroupFlags(o,o.m_groupFlags|t.m_groupFlags),o.m_lastIndex=t.m_lastIndex,t.m_firstIndex=t.m_lastIndex,this.DestroyParticleGroup(t)}},goog.exportProperty(box2d.b2ParticleSystem.prototype,"JoinParticleGroups",box2d.b2ParticleSystem.prototype.JoinParticleGroups),box2d.b2ParticleSystem.prototype.SplitParticleGroup=function(o){this.UpdateContacts(!0);var t=o.GetParticleCount();t=box2d.b2MakeArray(t,(function(o){return new box2d.b2ParticleSystem.ParticleListNode}));box2d.b2ParticleSystem.InitializeParticleLists(o,t),this.MergeParticleListsInContact(o,t);var e=box2d.b2ParticleSystem.FindLongestParticleList(o,t);this.MergeZombieParticleListNodes(o,t,e),this.CreateParticleGroupsFromParticleList(o,t,e),this.UpdatePairsAndTriadsWithParticleList(o,t)},goog.exportProperty(box2d.b2ParticleSystem.prototype,"SplitParticleGroup",box2d.b2ParticleSystem.prototype.SplitParticleGroup),box2d.b2ParticleSystem.prototype.GetParticleGroupList=function(){return this.m_groupList},goog.exportProperty(box2d.b2ParticleSystem.prototype,"GetParticleGroupList",box2d.b2ParticleSystem.prototype.GetParticleGroupList),box2d.b2ParticleSystem.prototype.GetParticleGroupCount=function(){return this.m_groupCount},goog.exportProperty(box2d.b2ParticleSystem.prototype,"GetParticleGroupCount",box2d.b2ParticleSystem.prototype.GetParticleGroupCount),box2d.b2ParticleSystem.prototype.GetParticleCount=function(){return this.m_count},goog.exportProperty(box2d.b2ParticleSystem.prototype,"GetParticleCount",box2d.b2ParticleSystem.prototype.GetParticleCount),box2d.b2ParticleSystem.prototype.GetMaxParticleCount=function(){return this.m_def.maxCount},goog.exportProperty(box2d.b2ParticleSystem.prototype,"GetMaxParticleCount",box2d.b2ParticleSystem.prototype.GetMaxParticleCount),box2d.b2ParticleSystem.prototype.SetMaxParticleCount=function(o){box2d.b2Assert(this.m_count<=o),this.m_def.maxCount=o},goog.exportProperty(box2d.b2ParticleSystem.prototype,"SetMaxParticleCount",box2d.b2ParticleSystem.prototype.SetMaxParticleCount),box2d.b2ParticleSystem.prototype.GetAllParticleFlags=function(){return this.m_allParticleFlags},goog.exportProperty(box2d.b2ParticleSystem.prototype,"GetAllParticleFlags",box2d.b2ParticleSystem.prototype.GetAllParticleFlags),box2d.b2ParticleSystem.prototype.GetAllGroupFlags=function(){return this.m_allGroupFlags},goog.exportProperty(box2d.b2ParticleSystem.prototype,"GetAllGroupFlags",box2d.b2ParticleSystem.prototype.GetAllGroupFlags),box2d.b2ParticleSystem.prototype.SetPaused=function(o){this.m_paused=o},goog.exportProperty(box2d.b2ParticleSystem.prototype,"SetPaused",box2d.b2ParticleSystem.prototype.SetPaused),box2d.b2ParticleSystem.prototype.GetPaused=function(){return this.m_paused},goog.exportProperty(box2d.b2ParticleSystem.prototype,"GetPaused",box2d.b2ParticleSystem.prototype.GetPaused),box2d.b2ParticleSystem.prototype.SetDensity=function(o){this.m_def.density=o,this.m_inverseDensity=1/this.m_def.density},goog.exportProperty(box2d.b2ParticleSystem.prototype,"SetDensity",box2d.b2ParticleSystem.prototype.SetDensity),box2d.b2ParticleSystem.prototype.GetDensity=function(){return this.m_def.density},goog.exportProperty(box2d.b2ParticleSystem.prototype,"GetDensity",box2d.b2ParticleSystem.prototype.GetDensity),box2d.b2ParticleSystem.prototype.SetGravityScale=function(o){this.m_def.gravityScale=o},goog.exportProperty(box2d.b2ParticleSystem.prototype,"SetGravityScale",box2d.b2ParticleSystem.prototype.SetGravityScale),box2d.b2ParticleSystem.prototype.GetGravityScale=function(){return this.m_def.gravityScale},goog.exportProperty(box2d.b2ParticleSystem.prototype,"GetGravityScale",box2d.b2ParticleSystem.prototype.GetGravityScale),box2d.b2ParticleSystem.prototype.SetDamping=function(o){this.m_def.dampingStrength=o},goog.exportProperty(box2d.b2ParticleSystem.prototype,"SetDamping",box2d.b2ParticleSystem.prototype.SetDamping),box2d.b2ParticleSystem.prototype.GetDamping=function(){return this.m_def.dampingStrength},goog.exportProperty(box2d.b2ParticleSystem.prototype,"GetDamping",box2d.b2ParticleSystem.prototype.GetDamping),box2d.b2ParticleSystem.prototype.SetStaticPressureIterations=function(o){this.m_def.staticPressureIterations=o},goog.exportProperty(box2d.b2ParticleSystem.prototype,"SetStaticPressureIterations",box2d.b2ParticleSystem.prototype.SetStaticPressureIterations),box2d.b2ParticleSystem.prototype.GetStaticPressureIterations=function(){return this.m_def.staticPressureIterations},goog.exportProperty(box2d.b2ParticleSystem.prototype,"GetStaticPressureIterations",box2d.b2ParticleSystem.prototype.GetStaticPressureIterations),box2d.b2ParticleSystem.prototype.SetRadius=function(o){this.m_particleDiameter=2*o,this.m_squaredDiameter=this.m_particleDiameter*this.m_particleDiameter,this.m_inverseDiameter=1/this.m_particleDiameter},goog.exportProperty(box2d.b2ParticleSystem.prototype,"SetRadius",box2d.b2ParticleSystem.prototype.SetRadius),box2d.b2ParticleSystem.prototype.GetRadius=function(){return this.m_particleDiameter/2},goog.exportProperty(box2d.b2ParticleSystem.prototype,"GetRadius",box2d.b2ParticleSystem.prototype.GetRadius),box2d.b2ParticleSystem.prototype.GetPositionBuffer=function(){return this.m_positionBuffer.data},goog.exportProperty(box2d.b2ParticleSystem.prototype,"GetPositionBuffer",box2d.b2ParticleSystem.prototype.GetPositionBuffer),box2d.b2ParticleSystem.prototype.GetVelocityBuffer=function(){return this.m_velocityBuffer.data},goog.exportProperty(box2d.b2ParticleSystem.prototype,"GetVelocityBuffer",box2d.b2ParticleSystem.prototype.GetVelocityBuffer),box2d.b2ParticleSystem.prototype.GetColorBuffer=function(){return this.m_colorBuffer.data=this.RequestBuffer(this.m_colorBuffer.data),this.m_colorBuffer.data},goog.exportProperty(box2d.b2ParticleSystem.prototype,"GetColorBuffer",box2d.b2ParticleSystem.prototype.GetColorBuffer),box2d.b2ParticleSystem.prototype.GetGroupBuffer=function(){return this.m_groupBuffer},goog.exportProperty(box2d.b2ParticleSystem.prototype,"GetGroupBuffer",box2d.b2ParticleSystem.prototype.GetGroupBuffer),box2d.b2ParticleSystem.prototype.GetWeightBuffer=function(){return this.m_weightBuffer},goog.exportProperty(box2d.b2ParticleSystem.prototype,"GetWeightBuffer",box2d.b2ParticleSystem.prototype.GetWeightBuffer),box2d.b2ParticleSystem.prototype.GetUserDataBuffer=function(){return this.m_userDataBuffer.data=this.RequestBuffer(this.m_userDataBuffer.data),this.m_userDataBuffer.data},goog.exportProperty(box2d.b2ParticleSystem.prototype,"GetUserDataBuffer",box2d.b2ParticleSystem.prototype.GetUserDataBuffer),box2d.b2ParticleSystem.prototype.GetFlagsBuffer=function(){return this.m_flagsBuffer.data},goog.exportProperty(box2d.b2ParticleSystem.prototype,"GetFlagsBuffer",box2d.b2ParticleSystem.prototype.GetFlagsBuffer),box2d.b2ParticleSystem.prototype.SetParticleFlags=function(o,t){this.m_flagsBuffer.data[o]&~t&&(this.m_needsUpdateAllParticleFlags=!0),~this.m_allParticleFlags&t&&(t&box2d.b2ParticleFlag.b2_tensileParticle&&(this.m_accumulation2Buffer=this.RequestBuffer(this.m_accumulation2Buffer)),t&box2d.b2ParticleFlag.b2_colorMixingParticle&&(this.m_colorBuffer.data=this.RequestBuffer(this.m_colorBuffer.data)),this.m_allParticleFlags|=t),this.m_flagsBuffer.data[o]=t},goog.exportProperty(box2d.b2ParticleSystem.prototype,"SetParticleFlags",box2d.b2ParticleSystem.prototype.SetParticleFlags),box2d.b2ParticleSystem.prototype.GetParticleFlags=function(o){return this.m_flagsBuffer.data[o]},goog.exportProperty(box2d.b2ParticleSystem.prototype,"GetParticleFlags",box2d.b2ParticleSystem.prototype.GetParticleFlags),box2d.b2ParticleSystem.prototype.SetFlagsBuffer=function(o,t){this.SetUserOverridableBuffer(this.m_flagsBuffer,o,t)},goog.exportProperty(box2d.b2ParticleSystem.prototype,"SetFlagsBuffer",box2d.b2ParticleSystem.prototype.SetFlagsBuffer),box2d.b2ParticleSystem.prototype.SetPositionBuffer=function(o,t){this.SetUserOverridableBuffer(this.m_positionBuffer,o,t)},goog.exportProperty(box2d.b2ParticleSystem.prototype,"SetPositionBuffer",box2d.b2ParticleSystem.prototype.SetPositionBuffer),box2d.b2ParticleSystem.prototype.SetVelocityBuffer=function(o,t){this.SetUserOverridableBuffer(this.m_velocityBuffer,o,t)},goog.exportProperty(box2d.b2ParticleSystem.prototype,"SetVelocityBuffer",box2d.b2ParticleSystem.prototype.SetVelocityBuffer),box2d.b2ParticleSystem.prototype.SetColorBuffer=function(o,t){this.SetUserOverridableBuffer(this.m_colorBuffer,o,t)},goog.exportProperty(box2d.b2ParticleSystem.prototype,"SetColorBuffer",box2d.b2ParticleSystem.prototype.SetColorBuffer),box2d.b2ParticleSystem.prototype.SetUserDataBuffer=function(o,t){this.SetUserOverridableBuffer(this.m_userDataBuffer,o,t)},goog.exportProperty(box2d.b2ParticleSystem.prototype,"SetUserDataBuffer",box2d.b2ParticleSystem.prototype.SetUserDataBuffer),box2d.b2ParticleSystem.prototype.GetContacts=function(){return this.m_contactBuffer.data},goog.exportProperty(box2d.b2ParticleSystem.prototype,"GetContacts",box2d.b2ParticleSystem.prototype.GetContacts),box2d.b2ParticleSystem.prototype.GetContactCount=function(){return this.m_contactBuffer.count},goog.exportProperty(box2d.b2ParticleSystem.prototype,"GetContactCount",box2d.b2ParticleSystem.prototype.GetContactCount),box2d.b2ParticleSystem.prototype.GetBodyContacts=function(){return this.m_bodyContactBuffer.data},goog.exportProperty(box2d.b2ParticleSystem.prototype,"GetBodyContacts",box2d.b2ParticleSystem.prototype.GetBodyContacts),box2d.b2ParticleSystem.prototype.GetBodyContactCount=function(){return this.m_bodyContactBuffer.count},goog.exportProperty(box2d.b2ParticleSystem.prototype,"GetBodyContactCount",box2d.b2ParticleSystem.prototype.GetBodyContactCount),box2d.b2ParticleSystem.prototype.GetPairs=function(){return this.m_pairBuffer.data},goog.exportProperty(box2d.b2ParticleSystem.prototype,"GetPairs",box2d.b2ParticleSystem.prototype.GetPairs),box2d.b2ParticleSystem.prototype.GetPairCount=function(){return this.m_pairBuffer.count},goog.exportProperty(box2d.b2ParticleSystem.prototype,"GetPairCount",box2d.b2ParticleSystem.prototype.GetPairCount),box2d.b2ParticleSystem.prototype.GetTriads=function(){return this.m_triadBuffer.data},goog.exportProperty(box2d.b2ParticleSystem.prototype,"GetTriads",box2d.b2ParticleSystem.prototype.GetTriads),box2d.b2ParticleSystem.prototype.GetTriadCount=function(){return this.m_triadBuffer.count},goog.exportProperty(box2d.b2ParticleSystem.prototype,"GetTriadCount",box2d.b2ParticleSystem.prototype.GetTriadCount),box2d.b2ParticleSystem.prototype.SetStuckThreshold=function(o){this.m_stuckThreshold=o,0<o&&(this.m_lastBodyContactStepBuffer.data=this.RequestBuffer(this.m_lastBodyContactStepBuffer.data),this.m_bodyContactCountBuffer.data=this.RequestBuffer(this.m_bodyContactCountBuffer.data),this.m_consecutiveContactStepsBuffer.data=this.RequestBuffer(this.m_consecutiveContactStepsBuffer.data))},box2d.b2ParticleSystem.prototype.GetStuckCandidates=function(){return this.m_stuckParticleBuffer.Data()},goog.exportProperty(box2d.b2ParticleSystem.prototype,"GetStuckCandidates",box2d.b2ParticleSystem.prototype.GetStuckCandidates),box2d.b2ParticleSystem.prototype.GetStuckCandidateCount=function(){return this.m_stuckParticleBuffer.GetCount()},goog.exportProperty(box2d.b2ParticleSystem.prototype,"GetStuckCandidateCount",box2d.b2ParticleSystem.prototype.GetStuckCandidateCount),box2d.b2ParticleSystem.prototype.ComputeCollisionEnergy=function(){for(var o=box2d.b2ParticleSystem.prototype.ComputeCollisionEnergy.s_v,t=this.m_velocityBuffer.data,e=0,r=0;r<this.m_contactBuffer.count;r++){var i=(n=this.m_contactBuffer.data[r]).normal,n=box2d.b2Sub_V2_V2(t[n.indexB],t[n.indexA],o);0>(i=box2d.b2Dot_V2_V2(n,i))&&(e+=i*i)}return.5*this.GetParticleMass()*e},goog.exportProperty(box2d.b2ParticleSystem.prototype,"ComputeCollisionEnergy",box2d.b2ParticleSystem.prototype.ComputeCollisionEnergy),box2d.b2ParticleSystem.prototype.ComputeCollisionEnergy.s_v=new box2d.b2Vec2,box2d.b2ParticleSystem.prototype.SetStrictContactCheck=function(o){this.m_def.strictContactCheck=o},goog.exportProperty(box2d.b2ParticleSystem.prototype,"SetStrictContactCheck",box2d.b2ParticleSystem.prototype.SetStrictContactCheck),box2d.b2ParticleSystem.prototype.GetStrictContactCheck=function(){return this.m_def.strictContactCheck},goog.exportProperty(box2d.b2ParticleSystem.prototype,"GetStrictContactCheck",box2d.b2ParticleSystem.prototype.GetStrictContactCheck),box2d.b2ParticleSystem.prototype.SetParticleLifetime=function(o,t){box2d.b2Assert(this.ValidateParticleIndex(o));var e=null===this.m_indexByExpirationTimeBuffer.data;if(this.m_expirationTimeBuffer.data=this.RequestBuffer(this.m_expirationTimeBuffer.data),this.m_indexByExpirationTimeBuffer.data=this.RequestBuffer(this.m_indexByExpirationTimeBuffer.data),e){e=this.GetParticleCount();for(var r=0;r<e;++r)this.m_indexByExpirationTimeBuffer.data[r]=r}(e=0<(e=t/this.m_def.lifetimeGranularity)?this.GetQuantizedTimeElapsed()+e:e)!==this.m_expirationTimeBuffer.data[o]&&(this.m_expirationTimeBuffer.data[o]=e,this.m_expirationTimeBufferRequiresSorting=!0)},goog.exportProperty(box2d.b2ParticleSystem.prototype,"SetParticleLifetime",box2d.b2ParticleSystem.prototype.SetParticleLifetime),box2d.b2ParticleSystem.prototype.GetParticleLifetime=function(o){return box2d.b2Assert(this.ValidateParticleIndex(o)),this.ExpirationTimeToLifetime(this.GetExpirationTimeBuffer()[o])},goog.exportProperty(box2d.b2ParticleSystem.prototype,"GetParticleLifetime",box2d.b2ParticleSystem.prototype.GetParticleLifetime),box2d.b2ParticleSystem.prototype.SetDestructionByAge=function(o){o&&this.GetExpirationTimeBuffer(),this.m_def.destroyByAge=o},goog.exportProperty(box2d.b2ParticleSystem.prototype,"SetDestructionByAge",box2d.b2ParticleSystem.prototype.SetDestructionByAge),box2d.b2ParticleSystem.prototype.GetDestructionByAge=function(){return this.m_def.destroyByAge},goog.exportProperty(box2d.b2ParticleSystem.prototype,"GetDestructionByAge",box2d.b2ParticleSystem.prototype.GetDestructionByAge),box2d.b2ParticleSystem.prototype.GetExpirationTimeBuffer=function(){return this.m_expirationTimeBuffer.data=this.RequestBuffer(this.m_expirationTimeBuffer.data),this.m_expirationTimeBuffer.data},goog.exportProperty(box2d.b2ParticleSystem.prototype,"GetExpirationTimeBuffer",box2d.b2ParticleSystem.prototype.GetExpirationTimeBuffer),box2d.b2ParticleSystem.prototype.ExpirationTimeToLifetime=function(o){return(0<o?o-this.GetQuantizedTimeElapsed():o)*this.m_def.lifetimeGranularity},goog.exportProperty(box2d.b2ParticleSystem.prototype,"ExpirationTimeToLifetime",box2d.b2ParticleSystem.prototype.ExpirationTimeToLifetime),box2d.b2ParticleSystem.prototype.GetIndexByExpirationTimeBuffer=function(){return this.GetParticleCount()?this.SetParticleLifetime(0,this.GetParticleLifetime(0)):this.m_indexByExpirationTimeBuffer.data=this.RequestBuffer(this.m_indexByExpirationTimeBuffer.data),this.m_indexByExpirationTimeBuffer.data},goog.exportProperty(box2d.b2ParticleSystem.prototype,"GetIndexByExpirationTimeBuffer",box2d.b2ParticleSystem.prototype.GetIndexByExpirationTimeBuffer),box2d.b2ParticleSystem.prototype.ParticleApplyLinearImpulse=function(o,t){this.ApplyLinearImpulse(o,o+1,t)},goog.exportProperty(box2d.b2ParticleSystem.prototype,"ParticleApplyLinearImpulse",box2d.b2ParticleSystem.prototype.ParticleApplyLinearImpulse),box2d.b2ParticleSystem.prototype.ApplyLinearImpulse=function(o,t,e){var r=this.m_velocityBuffer.data,i=(t-o)*this.GetParticleMass();for(e=e.Clone().SelfMul(1/i);o<t;o++)r[o].SelfAdd(e)},goog.exportProperty(box2d.b2ParticleSystem.prototype,"ApplyLinearImpulse",box2d.b2ParticleSystem.prototype.ApplyLinearImpulse),box2d.b2ParticleSystem.IsSignificantForce=function(o){return 0!==o.x||0!==o.y},box2d.b2ParticleSystem.prototype.ParticleApplyForce=function(o,t){box2d.b2ParticleSystem.IsSignificantForce(t)&&this.ForceCanBeApplied(this.m_flagsBuffer.data[o])&&(this.PrepareForceBuffer(),this.m_forceBuffer[o].SelfAdd(t))},goog.exportProperty(box2d.b2ParticleSystem.prototype,"ParticleApplyForce",box2d.b2ParticleSystem.prototype.ParticleApplyForce),box2d.b2ParticleSystem.prototype.ApplyForce=function(o,t,e){for(var r=0,i=o;i<t;i++)r|=this.m_flagsBuffer.data[i];if(box2d.b2Assert(this.ForceCanBeApplied(r)),e=e.Clone().SelfMul(1/(t-o)),box2d.b2ParticleSystem.IsSignificantForce(e))for(this.PrepareForceBuffer(),i=o;i<t;i++)this.m_forceBuffer[i].SelfAdd(e)},goog.exportProperty(box2d.b2ParticleSystem.prototype,"ApplyForce",box2d.b2ParticleSystem.prototype.ApplyForce),box2d.b2ParticleSystem.prototype.GetNext=function(){return this.m_next},goog.exportProperty(box2d.b2ParticleSystem.prototype,"GetNext",box2d.b2ParticleSystem.prototype.GetNext),box2d.b2ParticleSystem.prototype.QueryAABB=function(o,t){if(0!==this.m_proxyBuffer.count)for(var e=this.m_proxyBuffer.count,r=box2d.std_lower_bound(this.m_proxyBuffer.data,0,e,box2d.b2ParticleSystem.computeTag(this.m_inverseDiameter*t.lowerBound.x,this.m_inverseDiameter*t.lowerBound.y),box2d.b2ParticleSystem.Proxy.CompareProxyTag),i=(e=box2d.std_upper_bound(this.m_proxyBuffer.data,r,e,box2d.b2ParticleSystem.computeTag(this.m_inverseDiameter*t.upperBound.x,this.m_inverseDiameter*t.upperBound.y),box2d.b2ParticleSystem.Proxy.CompareTagProxy),this.m_positionBuffer.data);r<e;++r){var n=this.m_proxyBuffer.data[r].index,p=i[n];if(t.lowerBound.x<p.x&&p.x<t.upperBound.x&&t.lowerBound.y<p.y&&p.y<t.upperBound.y&&!o.ReportParticle(this,n))break}},goog.exportProperty(box2d.b2ParticleSystem.prototype,"QueryAABB",box2d.b2ParticleSystem.prototype.QueryAABB),box2d.b2ParticleSystem.prototype.QueryShapeAABB=function(o,t,e,r){var i=box2d.b2ParticleSystem.prototype.QueryShapeAABB.s_aabb;t.ComputeAABB(i,e,r||0),this.QueryAABB(o,i)};goog.exportProperty(box2d.b2ParticleSystem.prototype,"QueryShapeAABB",box2d.b2ParticleSystem.prototype.QueryShapeAABB),box2d.b2ParticleSystem.prototype.QueryShapeAABB.s_aabb=new box2d.b2AABB,box2d.b2ParticleSystem.prototype.QueryPointAABB=function(o,t,e){var r=box2d.b2ParticleSystem.prototype.QueryPointAABB.s_aabb;e="number"==typeof e?e:box2d.b2_linearSlop,r.lowerBound.Set(t.x-e,t.y-e),r.upperBound.Set(t.x+e,t.y+e),this.QueryAABB(o,r)},goog.exportProperty(box2d.b2ParticleSystem.prototype,"QueryPointAABB",box2d.b2ParticleSystem.prototype.QueryPointAABB),box2d.b2ParticleSystem.prototype.QueryPointAABB.s_aabb=new box2d.b2AABB,box2d.b2ParticleSystem.prototype.RayCast=function(o,t,e){var r=box2d.b2ParticleSystem.prototype.RayCast.s_aabb,i=box2d.b2ParticleSystem.prototype.RayCast.s_p,n=box2d.b2ParticleSystem.prototype.RayCast.s_v,p=box2d.b2ParticleSystem.prototype.RayCast.s_n,s=box2d.b2ParticleSystem.prototype.RayCast.s_point;if(0!==this.m_proxyBuffer.count){var l=this.m_positionBuffer.data;box2d.b2Min_V2_V2(t,e,r.lowerBound),box2d.b2Max_V2_V2(t,e,r.upperBound);var x=1;e=box2d.b2Sub_V2_V2(e,t,n);var y;for(n=box2d.b2Dot_V2_V2(e,e),r=this.GetInsideBoundsEnumerator(r);0<=(y=r.GetNext());){var _=box2d.b2Sub_V2_V2(t,l[y],i),m=box2d.b2Dot_V2_V2(_,e);if(0<=(u=m*m-n*((u=box2d.b2Dot_V2_V2(_,_))-this.m_squaredDiameter))){var u,h=box2d.b2Sqrt(u);if(!((u=(-m-h)/n)>x)){if(0>u&&(0>(u=(-m+h)/n)||u>x))continue;if((_=box2d.b2AddMul_V2_S_V2(_,u,e,p)).Normalize(),y=o.ReportParticle(this,y,box2d.b2AddMul_V2_S_V2(t,u,e,s),_,u),0>=(x=box2d.b2Min(x,y)))break}}}}},goog.exportProperty(box2d.b2ParticleSystem.prototype,"RayCast",box2d.b2ParticleSystem.prototype.RayCast),box2d.b2ParticleSystem.prototype.RayCast.s_aabb=new box2d.b2AABB,box2d.b2ParticleSystem.prototype.RayCast.s_p=new box2d.b2Vec2,box2d.b2ParticleSystem.prototype.RayCast.s_v=new box2d.b2Vec2,box2d.b2ParticleSystem.prototype.RayCast.s_n=new box2d.b2Vec2,box2d.b2ParticleSystem.prototype.RayCast.s_point=new box2d.b2Vec2,box2d.b2ParticleSystem.prototype.ComputeAABB=function(o){var t=this.GetParticleCount();box2d.b2Assert(null!==o),o.lowerBound.x=+box2d.b2_maxFloat,o.lowerBound.y=+box2d.b2_maxFloat,o.upperBound.x=-box2d.b2_maxFloat,o.upperBound.y=-box2d.b2_maxFloat;for(var e=this.m_positionBuffer.data,r=0;r<t;r++){var i=e[r];box2d.b2Min_V2_V2(o.lowerBound,i,o.lowerBound),box2d.b2Max_V2_V2(o.upperBound,i,o.upperBound)}o.lowerBound.x-=this.m_particleDiameter,o.lowerBound.y-=this.m_particleDiameter,o.upperBound.x+=this.m_particleDiameter,o.upperBound.y+=this.m_particleDiameter},goog.exportProperty(box2d.b2ParticleSystem.prototype,"ComputeAABB",box2d.b2ParticleSystem.prototype.ComputeAABB),box2d.b2ParticleSystem.UserOverridableBuffer=function(){},box2d.b2ParticleSystem.UserOverridableBuffer.prototype.data=null,box2d.b2ParticleSystem.UserOverridableBuffer.prototype.userSuppliedCapacity=0,box2d.b2ParticleSystem.Proxy=function(){},box2d.b2ParticleSystem.Proxy.prototype.index=box2d.b2_invalidParticleIndex,box2d.b2ParticleSystem.Proxy.prototype.tag=0,box2d.b2ParticleSystem.Proxy.CompareProxyProxy=function(o,t){return o.tag<t.tag},box2d.b2ParticleSystem.Proxy.CompareTagProxy=function(o,t){return o<t.tag},box2d.b2ParticleSystem.Proxy.CompareProxyTag=function(o,t){return o.tag<t},box2d.b2ParticleSystem.InsideBoundsEnumerator=function(o,t,e,r,i){this.m_system=o,this.m_xLower=(t&box2d.b2ParticleSystem.xMask)>>>0,this.m_xUpper=(e&box2d.b2ParticleSystem.xMask)>>>0,this.m_yLower=(t&box2d.b2ParticleSystem.yMask)>>>0,this.m_yUpper=(e&box2d.b2ParticleSystem.yMask)>>>0,this.m_first=r,this.m_last=i,box2d.b2Assert(this.m_first<=this.m_last)},box2d.b2ParticleSystem.InsideBoundsEnumerator.prototype.GetNext=function(){for(;this.m_first<this.m_last;){var o=(this.m_system.m_proxyBuffer.data[this.m_first].tag&box2d.b2ParticleSystem.xMask)>>>0,t=(this.m_system.m_proxyBuffer.data[this.m_first].tag&box2d.b2ParticleSystem.yMask)>>>0;if(box2d.b2Assert(t>=this.m_yLower),box2d.b2Assert(t<=this.m_yUpper),o>=this.m_xLower&&o<=this.m_xUpper)return this.m_system.m_proxyBuffer.data[this.m_first++].index;this.m_first++}return box2d.b2_invalidParticleIndex},box2d.b2ParticleSystem.ParticleListNode=function(){},box2d.b2ParticleSystem.ParticleListNode.prototype.list=null,box2d.b2ParticleSystem.ParticleListNode.prototype.next=null,box2d.b2ParticleSystem.ParticleListNode.prototype.count=0,box2d.b2ParticleSystem.ParticleListNode.prototype.index=0,box2d.b2ParticleSystem.k_pairFlags=box2d.b2ParticleFlag.b2_springParticle,box2d.b2ParticleSystem.k_triadFlags=box2d.b2ParticleFlag.b2_elasticParticle,box2d.b2ParticleSystem.k_noPressureFlags=box2d.b2ParticleFlag.b2_powderParticle|box2d.b2ParticleFlag.b2_tensileParticle,box2d.b2ParticleSystem.k_extraDampingFlags=box2d.b2ParticleFlag.b2_staticPressureParticle,box2d.b2ParticleSystem.k_barrierWallFlags=box2d.b2ParticleFlag.b2_barrierParticle|box2d.b2ParticleFlag.b2_wallParticle,box2d.b2ParticleSystem.prototype.FreeBuffer=function(o,t){null!==o&&(o.length=0)},box2d.b2ParticleSystem.prototype.FreeUserOverridableBuffer=function(o){0==o.userSuppliedCapacity&&this.FreeBuffer(o.data,this.m_internalAllocatedCapacity)},box2d.b2ParticleSystem.prototype.ReallocateBuffer3=function(o,t,e){return box2d.b2Assert(e>t),(o=o?o.slice():[]).length=e,o},box2d.b2ParticleSystem.prototype.ReallocateBuffer5=function(o,t,e,r,i){return box2d.b2Assert(r>e),box2d.b2Assert(!t||r<=t),i&&!o||t||(o=this.ReallocateBuffer3(o,e,r)),o},box2d.b2ParticleSystem.prototype.ReallocateBuffer4=function(o,t,e,r){return box2d.b2Assert(e>t),this.ReallocateBuffer5(o.data,o.userSuppliedCapacity,t,e,r)},box2d.b2ParticleSystem.prototype.RequestBuffer=function(o){return o||(0===this.m_internalAllocatedCapacity&&this.ReallocateInternalAllocatedBuffers(box2d.b2_minParticleSystemBufferCapacity),(o=[]).length=this.m_internalAllocatedCapacity),o},box2d.b2ParticleSystem.prototype.ReallocateHandleBuffers=function(o){box2d.b2Assert(o>this.m_internalAllocatedCapacity),this.m_handleIndexBuffer.data=this.ReallocateBuffer4(this.m_handleIndexBuffer,this.m_internalAllocatedCapacity,o,!0)},box2d.b2ParticleSystem.prototype.ReallocateInternalAllocatedBuffers=function(o){function b(o,t){return t&&o>t?t:o}if(o=b(o,this.m_def.maxCount),o=b(o,this.m_flagsBuffer.userSuppliedCapacity),o=b(o,this.m_positionBuffer.userSuppliedCapacity),o=b(o,this.m_velocityBuffer.userSuppliedCapacity),o=b(o,this.m_colorBuffer.userSuppliedCapacity),o=b(o,this.m_userDataBuffer.userSuppliedCapacity),this.m_internalAllocatedCapacity<o){this.ReallocateHandleBuffers(o),this.m_flagsBuffer.data=this.ReallocateBuffer4(this.m_flagsBuffer,this.m_internalAllocatedCapacity,o,!1);var t=0<this.m_stuckThreshold;this.m_lastBodyContactStepBuffer.data=this.ReallocateBuffer4(this.m_lastBodyContactStepBuffer,this.m_internalAllocatedCapacity,o,t),this.m_bodyContactCountBuffer.data=this.ReallocateBuffer4(this.m_bodyContactCountBuffer,this.m_internalAllocatedCapacity,o,t),this.m_consecutiveContactStepsBuffer.data=this.ReallocateBuffer4(this.m_consecutiveContactStepsBuffer,this.m_internalAllocatedCapacity,o,t),this.m_positionBuffer.data=this.ReallocateBuffer4(this.m_positionBuffer,this.m_internalAllocatedCapacity,o,!1),this.m_velocityBuffer.data=this.ReallocateBuffer4(this.m_velocityBuffer,this.m_internalAllocatedCapacity,o,!1),this.m_forceBuffer=this.ReallocateBuffer5(this.m_forceBuffer,0,this.m_internalAllocatedCapacity,o,!1),this.m_weightBuffer=this.ReallocateBuffer5(this.m_weightBuffer,0,this.m_internalAllocatedCapacity,o,!1),this.m_staticPressureBuffer=this.ReallocateBuffer5(this.m_staticPressureBuffer,0,this.m_internalAllocatedCapacity,o,!0),this.m_accumulationBuffer=this.ReallocateBuffer5(this.m_accumulationBuffer,0,this.m_internalAllocatedCapacity,o,!1),this.m_accumulation2Buffer=this.ReallocateBuffer5(this.m_accumulation2Buffer,0,this.m_internalAllocatedCapacity,o,!0),this.m_depthBuffer=this.ReallocateBuffer5(this.m_depthBuffer,0,this.m_internalAllocatedCapacity,o,!0),this.m_colorBuffer.data=this.ReallocateBuffer4(this.m_colorBuffer,this.m_internalAllocatedCapacity,o,!0),this.m_groupBuffer=this.ReallocateBuffer5(this.m_groupBuffer,0,this.m_internalAllocatedCapacity,o,!1),this.m_userDataBuffer.data=this.ReallocateBuffer4(this.m_userDataBuffer,this.m_internalAllocatedCapacity,o,!0),this.m_expirationTimeBuffer.data=this.ReallocateBuffer4(this.m_expirationTimeBuffer,this.m_internalAllocatedCapacity,o,!0),this.m_indexByExpirationTimeBuffer.data=this.ReallocateBuffer4(this.m_indexByExpirationTimeBuffer,this.m_internalAllocatedCapacity,o,!1),this.m_internalAllocatedCapacity=o}},box2d.b2ParticleSystem.prototype.CreateParticleForGroup=function(o,t,e){var r=new box2d.b2ParticleDef;r.flags=o.flags,box2d.b2Mul_X_V2(t,e,r.position),box2d.b2Add_V2_V2(o.linearVelocity,box2d.b2Cross_S_V2(o.angularVelocity,box2d.b2Sub_V2_V2(r.position,o.position,box2d.b2Vec2.s_t0),box2d.b2Vec2.s_t0),r.velocity),r.color.Copy(o.color),r.lifetime=o.lifetime,r.userData=o.userData,this.CreateParticle(r)},goog.exportProperty(box2d.b2ParticleSystem.prototype,"CreateParticleForGroup",box2d.b2ParticleSystem.prototype.CreateParticleForGroup),box2d.b2ParticleSystem.prototype.CreateParticlesStrokeShapeForGroup=function(o,t,e){var r=box2d.b2ParticleSystem.prototype.CreateParticlesStrokeShapeForGroup.s_edge,i=box2d.b2ParticleSystem.prototype.CreateParticlesStrokeShapeForGroup.s_d,n=box2d.b2ParticleSystem.prototype.CreateParticlesStrokeShapeForGroup.s_p,p=t.stride;0===p&&(p=this.GetParticleStride());for(var s=0,l=o.GetChildCount(),x=0;x<l;x++){var y=null;o.GetType()===box2d.b2ShapeType.e_edgeShape?y=o:(box2d.b2Assert(o.GetType()===box2d.b2ShapeType.e_chainShape),y=r,o.GetChildEdge(y,x));for(var _=box2d.b2Sub_V2_V2(y.m_vertex2,y.m_vertex1,i),m=_.Length();s<m;){var u=box2d.b2AddMul_V2_S_V2(y.m_vertex1,s/m,_,n);this.CreateParticleForGroup(t,e,u),s+=p}s-=m}},goog.exportProperty(box2d.b2ParticleSystem.prototype,"CreateParticlesStrokeShapeForGroup",box2d.b2ParticleSystem.prototype.CreateParticlesStrokeShapeForGroup),box2d.b2ParticleSystem.prototype.CreateParticlesStrokeShapeForGroup.s_edge=new box2d.b2EdgeShape,box2d.b2ParticleSystem.prototype.CreateParticlesStrokeShapeForGroup.s_d=new box2d.b2Vec2,box2d.b2ParticleSystem.prototype.CreateParticlesStrokeShapeForGroup.s_p=new box2d.b2Vec2,box2d.b2ParticleSystem.prototype.CreateParticlesFillShapeForGroup=function(o,t,e){var r=box2d.b2ParticleSystem.prototype.CreateParticlesFillShapeForGroup.s_aabb,i=box2d.b2ParticleSystem.prototype.CreateParticlesFillShapeForGroup.s_p,n=t.stride;0===n&&(n=this.GetParticleStride());var p=box2d.b2Transform.IDENTITY;box2d.b2Assert(1===o.GetChildCount()),o.ComputeAABB(r,p,0);for(var s=Math.floor(r.lowerBound.y/n)*n;s<r.upperBound.y;s+=n)for(var l=Math.floor(r.lowerBound.x/n)*n;l<r.upperBound.x;l+=n){var x=i.Set(l,s);o.TestPoint(p,x)&&this.CreateParticleForGroup(t,e,x)}},goog.exportProperty(box2d.b2ParticleSystem.prototype,"CreateParticlesFillShapeForGroup",box2d.b2ParticleSystem.prototype.CreateParticlesFillShapeForGroup),box2d.b2ParticleSystem.prototype.CreateParticlesFillShapeForGroup.s_aabb=new box2d.b2AABB,box2d.b2ParticleSystem.prototype.CreateParticlesFillShapeForGroup.s_p=new box2d.b2Vec2,box2d.b2ParticleSystem.prototype.CreateParticlesWithShapeForGroup=function(o,t,e){switch(o.GetType()){case box2d.b2ShapeType.e_edgeShape:case box2d.b2ShapeType.e_chainShape:this.CreateParticlesStrokeShapeForGroup(o,t,e);break;case box2d.b2ShapeType.e_polygonShape:case box2d.b2ShapeType.e_circleShape:this.CreateParticlesFillShapeForGroup(o,t,e);break;default:box2d.b2Assert(!1)}},goog.exportProperty(box2d.b2ParticleSystem.prototype,"CreateParticlesWithShapeForGroup",box2d.b2ParticleSystem.prototype.CreateParticlesWithShapeForGroup),box2d.b2ParticleSystem.CompositeShape=function(o,t){this.m_shapes=o,this.m_shapeCount=t},goog.inherits(box2d.b2ParticleSystem.CompositeShape,box2d.b2Shape),box2d.b2ParticleSystem.CompositeShape.prototype.m_shapes=null,box2d.b2ParticleSystem.CompositeShape.prototype.m_shapeCount=0,box2d.b2ParticleSystem.CompositeShape.prototype.Clone=function(){return box2d.b2Assert(!1),null},box2d.b2ParticleSystem.CompositeShape.prototype.GetChildCount=function(){return 1},box2d.b2ParticleSystem.CompositeShape.prototype.TestPoint=function(o,t){for(var e=0;e<this.m_shapeCount;e++)if(this.m_shapes[e].TestPoint(o,t))return!0;return!1},goog.exportProperty(box2d.b2ParticleSystem.CompositeShape.prototype,"TestPoint",box2d.b2ParticleSystem.CompositeShape.prototype.TestPoint),box2d.b2ParticleSystem.CompositeShape.prototype.ComputeDistance=function(o,t,e,r){return box2d.b2Assert(!1),0},goog.exportProperty(box2d.b2ParticleSystem.CompositeShape.prototype,"ComputeDistance",box2d.b2ParticleSystem.CompositeShape.prototype.ComputeDistance),box2d.b2ParticleSystem.CompositeShape.prototype.RayCast=function(o,t,e,r){return box2d.b2Assert(!1),!1},goog.exportProperty(box2d.b2ParticleSystem.CompositeShape.prototype,"RayCast",box2d.b2ParticleSystem.CompositeShape.prototype.RayCast),box2d.b2ParticleSystem.CompositeShape.prototype.ComputeAABB=function(o,t,e){var r=new box2d.b2AABB;for(o.lowerBound.x=+box2d.b2_maxFloat,o.lowerBound.y=+box2d.b2_maxFloat,o.upperBound.x=-box2d.b2_maxFloat,o.upperBound.y=-box2d.b2_maxFloat,box2d.b2Assert(0===e),e=0;e<this.m_shapeCount;e++)for(var i=this.m_shapes[e].GetChildCount(),n=0;n<i;n++){var p=r;this.m_shapes[e].ComputeAABB(p,t,n),o.Combine1(p)}},goog.exportProperty(box2d.b2ParticleSystem.CompositeShape.prototype,"ComputeAABB",box2d.b2ParticleSystem.CompositeShape.prototype.ComputeAABB),box2d.b2ParticleSystem.CompositeShape.prototype.ComputeMass=function(o,t){box2d.b2Assert(!1)},goog.exportProperty(box2d.b2ParticleSystem.CompositeShape.prototype,"ComputeMass",box2d.b2ParticleSystem.CompositeShape.prototype.ComputeMass),box2d.b2ParticleSystem.prototype.CreateParticlesWithShapesForGroup=function(o,t,e,r){o=new box2d.b2ParticleSystem.CompositeShape(o,t),this.CreateParticlesFillShapeForGroup(o,e,r)},goog.exportProperty(box2d.b2ParticleSystem.prototype,"CreateParticlesWithShapesForGroup",box2d.b2ParticleSystem.prototype.CreateParticlesWithShapesForGroup),box2d.b2ParticleSystem.prototype.CloneParticle=function(o,t){var e=new box2d.b2ParticleDef;if(e.flags=this.m_flagsBuffer.data[o],e.position.Copy(this.m_positionBuffer.data[o]),e.velocity.Copy(this.m_velocityBuffer.data[o]),this.m_colorBuffer.data&&e.color.Copy(this.m_colorBuffer.data[o]),this.m_userDataBuffer.data&&(e.userData=this.m_userDataBuffer.data[o]),e.group=t,e=this.CreateParticle(e),this.m_handleIndexBuffer.data){var r=this.m_handleIndexBuffer.data[o];r&&r.SetIndex(e),this.m_handleIndexBuffer.data[e]=r,this.m_handleIndexBuffer.data[o]=null}return this.m_lastBodyContactStepBuffer.data&&(this.m_lastBodyContactStepBuffer.data[e]=this.m_lastBodyContactStepBuffer.data[o]),this.m_bodyContactCountBuffer.data&&(this.m_bodyContactCountBuffer.data[e]=this.m_bodyContactCountBuffer.data[o]),this.m_consecutiveContactStepsBuffer.data&&(this.m_consecutiveContactStepsBuffer.data[e]=this.m_consecutiveContactStepsBuffer.data[o]),this.m_hasForce&&this.m_forceBuffer[e].Copy(this.m_forceBuffer[o]),this.m_staticPressureBuffer&&(this.m_staticPressureBuffer[e]=this.m_staticPressureBuffer[o]),this.m_depthBuffer&&(this.m_depthBuffer[e]=this.m_depthBuffer[o]),this.m_expirationTimeBuffer.data&&(this.m_expirationTimeBuffer.data[e]=this.m_expirationTimeBuffer.data[o]),e},goog.exportProperty(box2d.b2ParticleSystem.prototype,"CloneParticle",box2d.b2ParticleSystem.prototype.CloneParticle),box2d.b2ParticleSystem.prototype.DestroyParticlesInGroup=function(o,t){for(var e=o.m_firstIndex;e<o.m_lastIndex;e++)this.DestroyParticle(e,t)},goog.exportProperty(box2d.b2ParticleSystem.prototype,"DestroyParticlesInGroup",box2d.b2ParticleSystem.prototype.DestroyParticlesInGroup),box2d.b2ParticleSystem.prototype.DestroyParticleGroup=function(o){box2d.b2Assert(0<this.m_groupCount),box2d.b2Assert(null!==o),this.m_world.m_destructionListener&&this.m_world.m_destructionListener.SayGoodbyeParticleGroup(o),this.SetGroupFlags(o,0);for(var t=o.m_firstIndex;t<o.m_lastIndex;t++)this.m_groupBuffer[t]=null;o.m_prev&&(o.m_prev.m_next=o.m_next),o.m_next&&(o.m_next.m_prev=o.m_prev),o===this.m_groupList&&(this.m_groupList=o.m_next),--this.m_groupCount},goog.exportProperty(box2d.b2ParticleSystem.prototype,"DestroyParticleGroup",box2d.b2ParticleSystem.prototype.DestroyParticleGroup),box2d.b2ParticleSystem.ParticleCanBeConnected=function(o,t){return 0!=(o&(box2d.b2ParticleFlag.b2_wallParticle|box2d.b2ParticleFlag.b2_springParticle|box2d.b2ParticleFlag.b2_elasticParticle))||null!==t&&0!=(t.GetGroupFlags()&box2d.b2ParticleGroupFlag.b2_rigidParticleGroup)},box2d.b2ParticleSystem.prototype.UpdatePairsAndTriads=function(o,t,e){var r=box2d.b2ParticleSystem.prototype.UpdatePairsAndTriads.s_dab,i=box2d.b2ParticleSystem.prototype.UpdatePairsAndTriads.s_dbc,n=box2d.b2ParticleSystem.prototype.UpdatePairsAndTriads.s_dca,p=this.m_positionBuffer.data;box2d.b2Assert(o<=t);for(var s=0,l=o;l<t;l++)s|=this.m_flagsBuffer.data[l];if(s&box2d.b2ParticleSystem.k_pairFlags)for(l=0;l<this.m_contactBuffer.count;l++){var x=this.m_contactBuffer.data[l],y=x.indexA,_=x.indexB,m=this.m_flagsBuffer.data[y],u=this.m_flagsBuffer.data[_],h=this.m_groupBuffer[y],g=this.m_groupBuffer[_];y>=o&&y<t&&_>=o&&_<t&&!((m|u)&box2d.b2ParticleFlag.b2_zombieParticle)&&(m|u)&box2d.b2ParticleSystem.k_pairFlags&&(e.IsNecessary(y)||e.IsNecessary(_))&&box2d.b2ParticleSystem.ParticleCanBeConnected(m,h)&&box2d.b2ParticleSystem.ParticleCanBeConnected(u,g)&&e.ShouldCreatePair(y,_)&&((m=this.m_pairBuffer.data[this.m_pairBuffer.Append()]).indexA=y,m.indexB=_,m.flags=x.flags,m.strength=box2d.b2Min(h?h.m_strength:1,g?g.m_strength:1),m.distance=box2d.b2Distance(p[y],p[_])),box2d.std_stable_sort(this.m_pairBuffer.data,0,this.m_pairBuffer.count,box2d.b2ParticleSystem.ComparePairIndices),this.m_pairBuffer.Unique(box2d.b2ParticleSystem.MatchPairIndices)}if(s&box2d.b2ParticleSystem.k_triadFlags){for(s=new box2d.b2VoronoiDiagram(t-o),x=0,l=o;l<t;l++)y=this.m_flagsBuffer.data[l],_=this.m_groupBuffer[l],y&box2d.b2ParticleFlag.b2_zombieParticle||!box2d.b2ParticleSystem.ParticleCanBeConnected(y,_)||(e.IsNecessary(l)&&++x,s.AddGenerator(p[l],l,e.IsNecessary(l)));if(0===x)for(l=o;l<t;l++)e.IsNecessary(l);o=this.GetParticleStride(),s.Generate(o/2,2*o);var S=this;s.GetNodes((function(o,t,s){var l=S.m_flagsBuffer.data[o],x=S.m_flagsBuffer.data[t],y=S.m_flagsBuffer.data[s];if((l|x|y)&box2d.b2ParticleSystem.k_triadFlags&&e.ShouldCreateTriad(o,t,s)){var _=p[o],m=p[t],u=p[s],h=box2d.b2Sub_V2_V2(_,m,r),g=box2d.b2Sub_V2_V2(m,u,i),P=box2d.b2Sub_V2_V2(u,_,n),C=box2d.b2_maxTriadDistanceSquared*S.m_squaredDiameter;if(!(box2d.b2Dot_V2_V2(h,h)>C||box2d.b2Dot_V2_V2(g,g)>C||box2d.b2Dot_V2_V2(P,P)>C)){var A=S.m_groupBuffer[o],B=S.m_groupBuffer[t],v=S.m_groupBuffer[s];(C=S.m_triadBuffer.data[S.m_triadBuffer.Append()]).indexA=o,C.indexB=t,C.indexC=s,C.flags=l|x|y,C.strength=box2d.b2Min(box2d.b2Min(A?A.m_strength:1,B?B.m_strength:1),v?v.m_strength:1),o=(_.x+m.x+u.x)/3,t=(_.y+m.y+u.y)/3,C.pa.x=_.x-o,C.pa.y=_.y-t,C.pb.x=m.x-o,C.pb.y=m.y-t,C.pc.x=u.x-o,C.pc.y=u.y-t,C.ka=-box2d.b2Dot_V2_V2(P,h),C.kb=-box2d.b2Dot_V2_V2(h,g),C.kc=-box2d.b2Dot_V2_V2(g,P),C.s=box2d.b2Cross_V2_V2(_,m)+box2d.b2Cross_V2_V2(m,u)+box2d.b2Cross_V2_V2(u,_)}}})),box2d.std_stable_sort(this.m_triadBuffer.data,0,this.m_triadBuffer.count,box2d.b2ParticleSystem.CompareTriadIndices),this.m_triadBuffer.Unique(box2d.b2ParticleSystem.MatchTriadIndices)}},box2d.b2ParticleSystem.prototype.UpdatePairsAndTriads.s_dab=new box2d.b2Vec2,box2d.b2ParticleSystem.prototype.UpdatePairsAndTriads.s_dbc=new box2d.b2Vec2,box2d.b2ParticleSystem.prototype.UpdatePairsAndTriads.s_dca=new box2d.b2Vec2,box2d.b2ParticleSystem.ReactiveFilter=function(o){this.m_flagsBuffer=o},goog.inherits(box2d.b2ParticleSystem.ReactiveFilter,box2d.b2ParticleSystem.ConnectionFilter),box2d.b2ParticleSystem.ReactiveFilter.prototype.m_flagsBuffer=null,box2d.b2ParticleSystem.ReactiveFilter.prototype.IsNecessary=function(o){return 0!=(this.m_flagsBuffer[o]&box2d.b2ParticleFlag.b2_reactiveParticle)},box2d.b2ParticleSystem.prototype.UpdatePairsAndTriadsWithReactiveParticles=function(){var o=new box2d.b2ParticleSystem.ReactiveFilter(this.m_flagsBuffer);for(this.UpdatePairsAndTriads(0,this.m_count,o),o=0;o<this.m_count;o++)this.m_flagsBuffer.data[o]&=~box2d.b2ParticleFlag.b2_reactiveParticle;this.m_allParticleFlags&=~box2d.b2ParticleFlag.b2_reactiveParticle},box2d.b2ParticleSystem.ComparePairIndices=function(o,t){var e=o.indexA-t.indexA;return 0!==e?0>e:o.indexB<t.indexB},box2d.b2ParticleSystem.MatchPairIndices=function(o,t){return o.indexA===t.indexA&&o.indexB===t.indexB},box2d.b2ParticleSystem.CompareTriadIndices=function(o,t){var e=o.indexA-t.indexA;return 0!==e||0!==(e=o.indexB-t.indexB)?0>e:o.indexC<t.indexC},box2d.b2ParticleSystem.MatchTriadIndices=function(o,t){return o.indexA===t.indexA&&o.indexB===t.indexB&&o.indexC===t.indexC},box2d.b2ParticleSystem.InitializeParticleLists=function(o,t){for(var e=o.GetBufferIndex(),r=o.GetParticleCount(),i=0;i<r;i++){var n=t[i];n.list=n,n.next=null,n.count=1,n.index=i+e}},box2d.b2ParticleSystem.prototype.MergeParticleListsInContact=function(o,t){for(var e=o.GetBufferIndex(),r=0;r<this.m_contactBuffer.count;r++){var i=(n=this.m_contactBuffer.data[r]).indexA,n=n.indexB;if(o.ContainsParticle(i)&&o.ContainsParticle(n)&&(i=t[i-e].list)!==(n=t[n-e].list)){if(i.count<n.count){var p=i;i=n,n=p}box2d.b2Assert(i.count>=n.count),box2d.b2ParticleSystem.MergeParticleLists(i,n)}}},box2d.b2ParticleSystem.MergeParticleLists=function(o,t){box2d.b2Assert(o!==t);for(var e=t;;){e.list=o;var r=e.next;if(!r){e.next=o.next;break}e=r}o.next=t,o.count+=t.count,t.count=0},box2d.b2ParticleSystem.FindLongestParticleList=function(o,t){for(var e=o.GetParticleCount(),r=t[0],i=0;i<e;i++){var n=t[i];r.count<n.count&&(r=n)}return r},box2d.b2ParticleSystem.prototype.MergeZombieParticleListNodes=function(o,t,e){o=o.GetParticleCount();for(var r=0;r<o;r++){var i=t[r];i!==e&&this.m_flagsBuffer.data[i.index]&box2d.b2ParticleFlag.b2_zombieParticle&&box2d.b2ParticleSystem.MergeParticleListAndNode(e,i)}},box2d.b2ParticleSystem.MergeParticleListAndNode=function(o,t){box2d.b2Assert(t!==o),box2d.b2Assert(t.list===t),box2d.b2Assert(1===t.count),t.list=o,t.next=o.next,o.next=t,o.count++,t.count=0},box2d.b2ParticleSystem.prototype.CreateParticleGroupsFromParticleList=function(o,t,e){var r=o.GetParticleCount(),i=new box2d.b2ParticleGroupDef;for(i.groupFlags=o.GetGroupFlags(),i.userData=o.GetUserData(),o=0;o<r;o++){var n=t[o];if(n.count&&n!==e){box2d.b2Assert(n.list===n);for(var p=this.CreateParticleGroup(i);n;n=n.next){var s=n.index;box2d.b2Assert(!(this.m_flagsBuffer.data[s]&box2d.b2ParticleFlag.b2_zombieParticle));var l=this.CloneParticle(s,p);this.m_flagsBuffer.data[s]|=box2d.b2ParticleFlag.b2_zombieParticle,n.index=l}}}},box2d.b2ParticleSystem.prototype.UpdatePairsAndTriadsWithParticleList=function(o,t){for(var e=o.GetBufferIndex(),r=0;r<this.m_pairBuffer.count;r++){var i=(p=this.m_pairBuffer.data[r]).indexA,n=p.indexB;o.ContainsParticle(i)&&(p.indexA=t[i-e].index),o.ContainsParticle(n)&&(p.indexB=t[n-e].index)}for(r=0;r<this.m_triadBuffer.count;r++){i=(p=this.m_triadBuffer.data[r]).indexA,n=p.indexB;var p,s=p.indexC;o.ContainsParticle(i)&&(p.indexA=t[i-e].index),o.ContainsParticle(n)&&(p.indexB=t[n-e].index),o.ContainsParticle(s)&&(p.indexC=t[s-e].index)}},box2d.b2ParticleSystem.prototype.ComputeDepth=function(){for(var o=[],t=0,e=0;e<this.m_contactBuffer.count;e++){var r=(_=this.m_contactBuffer.data[e]).indexA,i=_.indexB,n=this.m_groupBuffer[r],p=this.m_groupBuffer[i];n&&n===p&&n.m_groupFlags&box2d.b2ParticleGroupFlag.b2_particleGroupNeedsUpdateDepth&&(o[t++]=_)}for(n=[],p=0,e=this.m_groupList;e;e=e.GetNext())if(e.m_groupFlags&box2d.b2ParticleGroupFlag.b2_particleGroupNeedsUpdateDepth)for(n[p++]=e,this.SetGroupFlags(e,e.m_groupFlags&~box2d.b2ParticleGroupFlag.b2_particleGroupNeedsUpdateDepth),i=e.m_firstIndex;i<e.m_lastIndex;i++)this.m_accumulationBuffer[i]=0;for(e=0;e<t;e++){r=(_=o[e]).indexA,i=_.indexB;var s=_.weight;this.m_accumulationBuffer[r]+=s,this.m_accumulationBuffer[i]+=s}for(box2d.b2Assert(null!==this.m_depthBuffer),i=0;i<p;i++)for(i=(e=n[i]).m_firstIndex;i<e.m_lastIndex;i++)s=this.m_accumulationBuffer[i],this.m_depthBuffer[i]=.8>s?0:box2d.b2_maxFloat;s=box2d.b2Sqrt(this.m_count)>>0;for(var l=0;l<s;l++){var x=!1;for(e=0;e<t;e++){r=(_=o[e]).indexA,i=_.indexB;var y=1-_.weight,_=this.m_depthBuffer[r],m=this.m_depthBuffer[i],u=m+y;y=_+y;_>u&&(this.m_depthBuffer[r]=u,x=!0),m>y&&(this.m_depthBuffer[i]=y,x=!0)}if(!x)break}for(i=0;i<p;i++)for(i=(e=n[i]).m_firstIndex;i<e.m_lastIndex;i++)this.m_depthBuffer[i]=this.m_depthBuffer[i]<box2d.b2_maxFloat?this.m_depthBuffer[i]*this.m_particleDiameter:0},box2d.b2ParticleSystem.prototype.GetInsideBoundsEnumerator=function(o){var t=box2d.b2ParticleSystem.computeTag(this.m_inverseDiameter*o.lowerBound.x-1,this.m_inverseDiameter*o.lowerBound.y-1);o=box2d.b2ParticleSystem.computeTag(this.m_inverseDiameter*o.upperBound.x+1,this.m_inverseDiameter*o.upperBound.y+1);var e=this.m_proxyBuffer.count,r=box2d.std_lower_bound(this.m_proxyBuffer.data,0,e,t,box2d.b2ParticleSystem.Proxy.CompareProxyTag),i=box2d.std_upper_bound(this.m_proxyBuffer.data,0,e,o,box2d.b2ParticleSystem.Proxy.CompareTagProxy);return box2d.b2Assert(0<=r),box2d.b2Assert(r<=i),box2d.b2Assert(i<=e),new box2d.b2ParticleSystem.InsideBoundsEnumerator(this,t,o,r,i)},box2d.b2ParticleSystem.prototype.UpdateAllParticleFlags=function(){for(var o=this.m_allParticleFlags=0;o<this.m_count;o++)this.m_allParticleFlags|=this.m_flagsBuffer.data[o];this.m_needsUpdateAllParticleFlags=!1},box2d.b2ParticleSystem.prototype.UpdateAllGroupFlags=function(){this.m_allGroupFlags=0;for(var o=this.m_groupList;o;o=o.GetNext())this.m_allGroupFlags|=o.m_groupFlags;this.m_needsUpdateAllGroupFlags=!1},box2d.b2ParticleSystem.prototype.AddContact=function(o,t,e){var r=box2d.b2ParticleSystem.prototype.AddContact.s_d,i=this.m_positionBuffer.data;if(box2d.b2Assert(e===this.m_contactBuffer),e=box2d.b2Sub_V2_V2(i[t],i[o],r),(r=box2d.b2Dot_V2_V2(e,e))<this.m_squaredDiameter){i=box2d.b2InvSqrt(r),isFinite(i)||(i=198177537e11);var n=this.m_contactBuffer.data[this.m_contactBuffer.Append()];n.indexA=o,n.indexB=t,n.flags=this.m_flagsBuffer.data[o]|this.m_flagsBuffer.data[t],n.weight=1-r*i*this.m_inverseDiameter,box2d.b2Mul_S_V2(i,e,n.normal)}},box2d.b2ParticleSystem.prototype.AddContact.s_d=new box2d.b2Vec2,box2d.b2ParticleSystem.prototype.FindContacts_Reference=function(o){box2d.b2Assert(o===this.m_contactBuffer),o=this.m_proxyBuffer.count;for(var t=this.m_contactBuffer.count=0,e=0;t<o;t++){for(var r=box2d.b2ParticleSystem.computeRelativeTag(this.m_proxyBuffer.data[t].tag,1,0),i=t+1;i<o&&!(r<this.m_proxyBuffer.data[i].tag);i++)this.AddContact(this.m_proxyBuffer.data[t].index,this.m_proxyBuffer.data[i].index,this.m_contactBuffer);for(i=box2d.b2ParticleSystem.computeRelativeTag(this.m_proxyBuffer.data[t].tag,-1,1);e<o&&!(i<=this.m_proxyBuffer.data[e].tag);e++);for(r=box2d.b2ParticleSystem.computeRelativeTag(this.m_proxyBuffer.data[t].tag,1,1),i=e;i<o&&!(r<this.m_proxyBuffer.data[i].tag);i++)this.AddContact(this.m_proxyBuffer.data[t].index,this.m_proxyBuffer.data[i].index,this.m_contactBuffer)}},box2d.b2ParticleSystem.prototype.FindContacts=function(o){this.FindContacts_Reference(o)},box2d.b2ParticleSystem.prototype.UpdateProxies_Reference=function(o){box2d.b2Assert(o===this.m_proxyBuffer),o=this.m_positionBuffer.data;for(var t=this.m_inverseDiameter,e=0;e<this.m_proxyBuffer.count;++e){var r=this.m_proxyBuffer.data[e],i=o[r.index];r.tag=box2d.b2ParticleSystem.computeTag(t*i.x,t*i.y)}},box2d.b2ParticleSystem.prototype.UpdateProxies=function(o){this.UpdateProxies_Reference(o)},box2d.b2ParticleSystem.prototype.SortProxies=function(o){box2d.b2Assert(o===this.m_proxyBuffer),box2d.std_sort(this.m_proxyBuffer.data,0,this.m_proxyBuffer.count,box2d.b2ParticleSystem.Proxy.CompareProxyProxy)},box2d.b2ParticleSystem.prototype.FilterContacts=function(o){var t=this.GetParticleContactFilter();if(null!==t){box2d.b2Assert(o===this.m_contactBuffer);var e=this;this.m_contactBuffer.RemoveIf((function(o){return o.flags&box2d.b2ParticleFlag.b2_particleContactFilterParticle&&!t.ShouldCollideParticleParticle(e,o.indexA,o.indexB)}))}},box2d.b2ParticleSystem.prototype.NotifyContactListenerPreContact=function(o){if(null!==this.GetParticleContactListener())throw o.Initialize(this.m_contactBuffer,this.m_flagsBuffer),Error()},box2d.b2ParticleSystem.prototype.NotifyContactListenerPostContact=function(o){if(null!==(o=this.GetParticleContactListener())){for(var t=0;t<this.m_contactBuffer.count;++t)o.BeginContactParticleParticle(this,this.m_contactBuffer.data[t]);throw Error()}},box2d.b2ParticleSystem.b2ParticleContactIsZombie=function(o){return(o.flags&box2d.b2ParticleFlag.b2_zombieParticle)===box2d.b2ParticleFlag.b2_zombieParticle},box2d.b2ParticleSystem.prototype.UpdateContacts=function(o){this.UpdateProxies(this.m_proxyBuffer),this.SortProxies(this.m_proxyBuffer);var t=new box2d.b2ParticleSystem.b2ParticlePairSet;this.NotifyContactListenerPreContact(t),this.FindContacts(this.m_contactBuffer),this.FilterContacts(this.m_contactBuffer),this.NotifyContactListenerPostContact(t),o&&this.m_contactBuffer.RemoveIf(box2d.b2ParticleSystem.b2ParticleContactIsZombie)},box2d.b2ParticleSystem.prototype.NotifyBodyContactListenerPreContact=function(o){if(null!==this.GetFixtureContactListener())throw o.Initialize(this.m_bodyContactBuffer,this.m_flagsBuffer),Error()},box2d.b2ParticleSystem.prototype.NotifyBodyContactListenerPostContact=function(o){if(null!==(o=this.GetFixtureContactListener())){for(var t=0;t<this.m_bodyContactBuffer.count;t++){var e=this.m_bodyContactBuffer.data[t];box2d.b2Assert(null!==e),o.BeginContactFixtureParticle(this,e)}throw Error()}},box2d.b2ParticleSystem.UpdateBodyContactsCallback=function(o,t){box2d.b2FixtureParticleQueryCallback.call(this,o),this.m_contactFilter=t},goog.inherits(box2d.b2ParticleSystem.UpdateBodyContactsCallback,box2d.b2FixtureParticleQueryCallback),box2d.b2ParticleSystem.UpdateBodyContactsCallback.prototype.ShouldCollideFixtureParticle=function(o,t,e){return!(this.m_contactFilter&&this.m_system.GetFlagsBuffer()[e]&box2d.b2ParticleFlag.b2_fixtureContactFilterParticle)||this.m_contactFilter.ShouldCollideFixtureParticle(o,this.m_system,e)},goog.exportProperty(box2d.b2ParticleSystem.UpdateBodyContactsCallback.prototype,"ShouldCollideFixtureParticle",box2d.b2ParticleSystem.UpdateBodyContactsCallback.prototype.ShouldCollideFixtureParticle),box2d.b2ParticleSystem.UpdateBodyContactsCallback.prototype.ReportFixtureAndParticle=function(o,t,e){var r=box2d.b2ParticleSystem.UpdateBodyContactsCallback.prototype.ReportFixtureAndParticle.s_rp,i=this.m_system.m_positionBuffer.data[e],n=box2d.b2ParticleSystem.UpdateBodyContactsCallback.prototype.ReportFixtureAndParticle.s_n;if((t=o.ComputeDistance(i,n,t))<this.m_system.m_particleDiameter&&this.ShouldCollideFixtureParticle(o,this.m_system,e)){var p=o.GetBody(),s=p.GetWorldCenter(),l=p.GetMass(),x=p.GetInertia()-l*p.GetLocalCenter().LengthSquared(),y=(l=0<l?1/l:0,x=0<x?1/x:0,this.m_system.m_flagsBuffer.data[e]&box2d.b2ParticleFlag.b2_wallParticle?0:this.m_system.GetParticleInvMass());r=box2d.b2Sub_V2_V2(i,s,r),r=y+l+x*(r=box2d.b2Cross_V2_V2(r,n))*r;(i=this.m_system.m_bodyContactBuffer.data[this.m_system.m_bodyContactBuffer.Append()]).index=e,i.body=p,i.fixture=o,i.weight=1-t*this.m_system.m_inverseDiameter,i.normal.Copy(n.SelfNeg()),i.mass=0<r?1/r:0,this.m_system.DetectStuckParticle(e)}},goog.exportProperty(box2d.b2ParticleSystem.UpdateBodyContactsCallback.prototype,"ReportFixtureAndParticle",box2d.b2ParticleSystem.UpdateBodyContactsCallback.prototype.ReportFixtureAndParticle),box2d.b2ParticleSystem.UpdateBodyContactsCallback.prototype.ReportFixtureAndParticle.s_n=new box2d.b2Vec2,box2d.b2ParticleSystem.UpdateBodyContactsCallback.prototype.ReportFixtureAndParticle.s_rp=new box2d.b2Vec2,box2d.b2ParticleSystem.prototype.UpdateBodyContacts=function(){var o=box2d.b2ParticleSystem.prototype.UpdateBodyContacts.s_aabb,t=new box2d.b2ParticleSystem.FixtureParticleSet;if(this.NotifyBodyContactListenerPreContact(t),0<this.m_stuckThreshold)for(var e=this.GetParticleCount(),r=0;r<e;r++)this.m_bodyContactCountBuffer.data[r]=0,this.m_timestamp>this.m_lastBodyContactStepBuffer.data[r]+1&&(this.m_consecutiveContactStepsBuffer.data[r]=0);this.m_bodyContactBuffer.SetCount(0),this.m_stuckParticleBuffer.SetCount(0),this.ComputeAABB(o),e=new box2d.b2ParticleSystem.UpdateBodyContactsCallback(this,this.GetFixtureContactFilter()),this.m_world.QueryAABB(e,o),this.m_def.strictContactCheck&&this.RemoveSpuriousBodyContacts(),this.NotifyBodyContactListenerPostContact(t)},box2d.b2ParticleSystem.prototype.UpdateBodyContacts.s_aabb=new box2d.b2AABB,box2d.b2ParticleSystem.prototype.Solve=function(o){var t=box2d.b2ParticleSystem.prototype.Solve.s_subStep;if(0!==this.m_count&&(this.m_expirationTimeBuffer.data&&this.SolveLifetimes(o),this.m_allParticleFlags&box2d.b2ParticleFlag.b2_zombieParticle&&this.SolveZombie(),this.m_needsUpdateAllParticleFlags&&this.UpdateAllParticleFlags(),this.m_needsUpdateAllGroupFlags&&this.UpdateAllGroupFlags(),!this.m_paused))for(this.m_iterationIndex=0;this.m_iterationIndex<o.particleIterations;this.m_iterationIndex++){++this.m_timestamp;var e=t.Copy(o);e.dt/=o.particleIterations,e.inv_dt*=o.particleIterations,this.UpdateContacts(!1),this.UpdateBodyContacts(),this.ComputeWeight(),this.m_allGroupFlags&box2d.b2ParticleGroupFlag.b2_particleGroupNeedsUpdateDepth&&this.ComputeDepth(),this.m_allParticleFlags&box2d.b2ParticleFlag.b2_reactiveParticle&&this.UpdatePairsAndTriadsWithReactiveParticles(),this.m_hasForce&&this.SolveForce(e),this.m_allParticleFlags&box2d.b2ParticleFlag.b2_viscousParticle&&this.SolveViscous(),this.m_allParticleFlags&box2d.b2ParticleFlag.b2_repulsiveParticle&&this.SolveRepulsive(e),this.m_allParticleFlags&box2d.b2ParticleFlag.b2_powderParticle&&this.SolvePowder(e),this.m_allParticleFlags&box2d.b2ParticleFlag.b2_tensileParticle&&this.SolveTensile(e),this.m_allGroupFlags&box2d.b2ParticleGroupFlag.b2_solidParticleGroup&&this.SolveSolid(e),this.m_allParticleFlags&box2d.b2ParticleFlag.b2_colorMixingParticle&&this.SolveColorMixing(),this.SolveGravity(e),this.m_allParticleFlags&box2d.b2ParticleFlag.b2_staticPressureParticle&&this.SolveStaticPressure(e),this.SolvePressure(e),this.SolveDamping(e),this.m_allParticleFlags&box2d.b2ParticleSystem.k_extraDampingFlags&&this.SolveExtraDamping(),this.m_allParticleFlags&box2d.b2ParticleFlag.b2_elasticParticle&&this.SolveElastic(e),this.m_allParticleFlags&box2d.b2ParticleFlag.b2_springParticle&&this.SolveSpring(e),this.LimitVelocity(e),this.m_allGroupFlags&box2d.b2ParticleGroupFlag.b2_rigidParticleGroup&&this.SolveRigidDamping(),this.m_allParticleFlags&box2d.b2ParticleFlag.b2_barrierParticle&&this.SolveBarrier(e),this.SolveCollision(e),this.m_allGroupFlags&box2d.b2ParticleGroupFlag.b2_rigidParticleGroup&&this.SolveRigid(e),this.m_allParticleFlags&box2d.b2ParticleFlag.b2_wallParticle&&this.SolveWall();for(var r=0;r<this.m_count;r++)this.m_positionBuffer.data[r].SelfMulAdd(e.dt,this.m_velocityBuffer.data[r])}},goog.exportProperty(box2d.b2ParticleSystem.prototype,"Solve",box2d.b2ParticleSystem.prototype.Solve),box2d.b2ParticleSystem.prototype.Solve.s_subStep=new box2d.b2TimeStep,box2d.b2ParticleSystem.SolveCollisionCallback=function(o,t){box2d.b2FixtureParticleQueryCallback.call(this,o),this.m_step=t},goog.inherits(box2d.b2ParticleSystem.SolveCollisionCallback,box2d.b2FixtureParticleQueryCallback),box2d.b2ParticleSystem.SolveCollisionCallback.prototype.ReportFixtureAndParticle=function(o,t,e){var r=box2d.b2ParticleSystem.SolveCollisionCallback.prototype.ReportFixtureAndParticle.s_p1,i=box2d.b2ParticleSystem.SolveCollisionCallback.prototype.ReportFixtureAndParticle.s_output,n=box2d.b2ParticleSystem.SolveCollisionCallback.prototype.ReportFixtureAndParticle.s_input,p=box2d.b2ParticleSystem.SolveCollisionCallback.prototype.ReportFixtureAndParticle.s_p,s=box2d.b2ParticleSystem.SolveCollisionCallback.prototype.ReportFixtureAndParticle.s_v,l=box2d.b2ParticleSystem.SolveCollisionCallback.prototype.ReportFixtureAndParticle.s_f,x=o.GetBody(),y=this.m_system.m_positionBuffer.data[e],_=this.m_system.m_velocityBuffer.data[e];0===this.m_system.m_iterationIndex?(r=box2d.b2MulT_X_V2(x.m_xf0,y,r),o.GetShape().GetType()===box2d.b2ShapeType.e_circleShape&&(r.SelfSub(x.GetLocalCenter()),box2d.b2Mul_R_V2(x.m_xf0.q,r,r),box2d.b2MulT_R_V2(x.m_xf.q,r,r),r.SelfAdd(x.GetLocalCenter())),box2d.b2Mul_X_V2(x.m_xf,r,n.p1)):n.p1.Copy(y),box2d.b2AddMul_V2_S_V2(y,this.m_step.dt,_,n.p2),n.maxFraction=1,o.RayCast(i,n,t)&&(o=i.normal,p.x=(1-i.fraction)*n.p1.x+i.fraction*n.p2.x+box2d.b2_linearSlop*o.x,p.y=(1-i.fraction)*n.p1.y+i.fraction*n.p2.y+box2d.b2_linearSlop*o.y,s.x=this.m_step.inv_dt*(p.x-y.x),s.y=this.m_step.inv_dt*(p.y-y.y),this.m_system.m_velocityBuffer.data[e].Copy(s),l.x=this.m_step.inv_dt*this.m_system.GetParticleMass()*(_.x-s.x),l.y=this.m_step.inv_dt*this.m_system.GetParticleMass()*(_.y-s.y),this.m_system.ParticleApplyForce(e,l))},goog.exportProperty(box2d.b2ParticleSystem.SolveCollisionCallback.prototype,"ReportFixtureAndParticle",box2d.b2ParticleSystem.SolveCollisionCallback.prototype.ReportFixtureAndParticle),box2d.b2ParticleSystem.SolveCollisionCallback.prototype.ReportFixtureAndParticle.s_p1=new box2d.b2Vec2,box2d.b2ParticleSystem.SolveCollisionCallback.prototype.ReportFixtureAndParticle.s_output=new box2d.b2RayCastOutput,box2d.b2ParticleSystem.SolveCollisionCallback.prototype.ReportFixtureAndParticle.s_input=new box2d.b2RayCastInput,box2d.b2ParticleSystem.SolveCollisionCallback.prototype.ReportFixtureAndParticle.s_p=new box2d.b2Vec2,box2d.b2ParticleSystem.SolveCollisionCallback.prototype.ReportFixtureAndParticle.s_v=new box2d.b2Vec2,box2d.b2ParticleSystem.SolveCollisionCallback.prototype.ReportFixtureAndParticle.s_f=new box2d.b2Vec2,box2d.b2ParticleSystem.SolveCollisionCallback.prototype.ReportParticle=function(o,t){return!1},goog.exportProperty(box2d.b2ParticleSystem.SolveCollisionCallback.prototype,"ReportParticle",box2d.b2ParticleSystem.SolveCollisionCallback.prototype.ReportParticle),box2d.b2ParticleSystem.prototype.SolveCollision=function(o){var t=this.m_positionBuffer.data,e=this.m_velocityBuffer.data,r=box2d.b2ParticleSystem.prototype.SolveCollision.s_aabb;r.lowerBound.x=+box2d.b2_maxFloat,r.lowerBound.y=+box2d.b2_maxFloat,r.upperBound.x=-box2d.b2_maxFloat,r.upperBound.y=-box2d.b2_maxFloat;for(var i=0;i<this.m_count;i++){var n=e[i],p=t[i],s=p.x+o.dt*n.x;n=p.y+o.dt*n.y;r.lowerBound.x=box2d.b2Min(r.lowerBound.x,box2d.b2Min(p.x,s)),r.lowerBound.y=box2d.b2Min(r.lowerBound.y,box2d.b2Min(p.y,n)),r.upperBound.x=box2d.b2Max(r.upperBound.x,box2d.b2Max(p.x,s)),r.upperBound.y=box2d.b2Max(r.upperBound.y,box2d.b2Max(p.y,n))}o=new box2d.b2ParticleSystem.SolveCollisionCallback(this,o),this.m_world.QueryAABB(o,r)},box2d.b2ParticleSystem.prototype.SolveCollision.s_aabb=new box2d.b2AABB,box2d.b2ParticleSystem.prototype.LimitVelocity=function(o){var t=this.m_velocityBuffer.data;o=this.GetCriticalVelocitySquared(o);for(var e=0;e<this.m_count;e++){var r=t[e],i=box2d.b2Dot_V2_V2(r,r);i>o&&r.SelfMul(box2d.b2Sqrt(o/i))}},box2d.b2ParticleSystem.prototype.SolveGravity=function(o){var t=box2d.b2ParticleSystem.prototype.SolveGravity.s_gravity,e=this.m_velocityBuffer.data;for(o=box2d.b2Mul_S_V2(o.dt*this.m_def.gravityScale,this.m_world.GetGravity(),t),t=0;t<this.m_count;t++)e[t].SelfAdd(o)},box2d.b2ParticleSystem.prototype.SolveGravity.s_gravity=new box2d.b2Vec2,box2d.b2ParticleSystem.prototype.SolveBarrier=function(o){for(var t=box2d.b2ParticleSystem.prototype.SolveBarrier.s_aabb,e=box2d.b2ParticleSystem.prototype.SolveBarrier.s_va,r=box2d.b2ParticleSystem.prototype.SolveBarrier.s_vb,i=box2d.b2ParticleSystem.prototype.SolveBarrier.s_pba,n=box2d.b2ParticleSystem.prototype.SolveBarrier.s_vba,p=box2d.b2ParticleSystem.prototype.SolveBarrier.s_vc,s=box2d.b2ParticleSystem.prototype.SolveBarrier.s_pca,l=box2d.b2ParticleSystem.prototype.SolveBarrier.s_vca,x=box2d.b2ParticleSystem.prototype.SolveBarrier.s_qba,y=box2d.b2ParticleSystem.prototype.SolveBarrier.s_qca,_=box2d.b2ParticleSystem.prototype.SolveBarrier.s_dv,m=box2d.b2ParticleSystem.prototype.SolveBarrier.s_f,u=this.m_positionBuffer.data,h=this.m_velocityBuffer.data,g=0;g<this.m_count;g++)0!=(this.m_flagsBuffer.data[g]&box2d.b2ParticleSystem.k_barrierWallFlags)&&h[g].SetZero();g=box2d.b2_barrierCollisionTime*o.dt;for(var S=this.GetParticleMass(),P=0;P<this.m_pairBuffer.count;P++){if((B=this.m_pairBuffer.data[P]).flags&box2d.b2ParticleFlag.b2_barrierParticle){var C=B.indexA,A=B.indexB,B=u[C],v=u[A],V=t;box2d.b2Min_V2_V2(B,v,V.lowerBound),box2d.b2Max_V2_V2(B,v,V.upperBound);var J,M=this.m_groupBuffer[C],D=this.m_groupBuffer[A];for(C=this.GetLinearVelocity(M,C,B,e),A=this.GetLinearVelocity(D,A,v,r),v=box2d.b2Sub_V2_V2(v,B,i),A=box2d.b2Sub_V2_V2(A,C,n),V=this.GetInsideBoundsEnumerator(V);0<=(J=V.GetNext());){var w=u[J],G=this.m_groupBuffer[J];if(M!==G&&D!==G){var T=this.GetLinearVelocity(G,J,w,p),I=box2d.b2Sub_V2_V2(w,B,s),R=box2d.b2Sub_V2_V2(T,C,l),F=box2d.b2Cross_V2_V2(A,R),L=box2d.b2Cross_V2_V2(v,R)-box2d.b2Cross_V2_V2(I,A),E=box2d.b2Cross_V2_V2(v,I),W=x,k=y;if(0===F){if(0===L)continue;if(!(0<=(E=-E/L)&&E<g))continue;if(box2d.b2AddMul_V2_S_V2(v,E,A,W),box2d.b2AddMul_V2_S_V2(I,E,R,k),!(0<=(L=box2d.b2Dot_V2_V2(W,k)/box2d.b2Dot_V2_V2(W,W))&&1>=L))continue}else{if(0>(E=L*L-4*E*F))continue;var q=box2d.b2Sqrt(E);if((E=(-L-q)/(2*F))>(F=(-L+q)/(2*F))&&(L=E,E=F,F=L),box2d.b2AddMul_V2_S_V2(v,E,A,W),box2d.b2AddMul_V2_S_V2(I,E,R,k),L=box2d.b2Dot_V2_V2(W,k)/box2d.b2Dot_V2_V2(W,W),!(0<=E&&E<g&&0<=L&&1>=L)){if(!(0<=(E=F)&&E<g))continue;if(box2d.b2AddMul_V2_S_V2(v,E,A,W),box2d.b2AddMul_V2_S_V2(I,E,R,k),!(0<=(L=box2d.b2Dot_V2_V2(W,k)/box2d.b2Dot_V2_V2(W,W))&&1>=L))continue}}(I=_).x=C.x+L*A.x-T.x,I.y=C.y+L*A.y-T.y,T=box2d.b2Mul_S_V2(S,I,m),this.IsRigidGroup(G)?(S=G.GetMass(),I=G.GetInertia(),0<S&&G.m_linearVelocity.SelfMulAdd(1/S,T),0<I&&(G.m_angularVelocity+=box2d.b2Cross_V2_V2(box2d.b2Sub_V2_V2(w,G.GetCenter(),box2d.b2Vec2.s_t0),T)/I)):h[J].SelfAdd(I),this.ParticleApplyForce(J,T.SelfMul(-o.inv_dt))}}}}},box2d.b2ParticleSystem.prototype.SolveBarrier.s_aabb=new box2d.b2AABB,box2d.b2ParticleSystem.prototype.SolveBarrier.s_va=new box2d.b2Vec2,box2d.b2ParticleSystem.prototype.SolveBarrier.s_vb=new box2d.b2Vec2,box2d.b2ParticleSystem.prototype.SolveBarrier.s_pba=new box2d.b2Vec2,box2d.b2ParticleSystem.prototype.SolveBarrier.s_vba=new box2d.b2Vec2,box2d.b2ParticleSystem.prototype.SolveBarrier.s_vc=new box2d.b2Vec2,box2d.b2ParticleSystem.prototype.SolveBarrier.s_pca=new box2d.b2Vec2,box2d.b2ParticleSystem.prototype.SolveBarrier.s_vca=new box2d.b2Vec2,box2d.b2ParticleSystem.prototype.SolveBarrier.s_qba=new box2d.b2Vec2,box2d.b2ParticleSystem.prototype.SolveBarrier.s_qca=new box2d.b2Vec2,box2d.b2ParticleSystem.prototype.SolveBarrier.s_dv=new box2d.b2Vec2,box2d.b2ParticleSystem.prototype.SolveBarrier.s_f=new box2d.b2Vec2,box2d.b2ParticleSystem.prototype.SolveStaticPressure=function(o){this.m_staticPressureBuffer=this.RequestBuffer(this.m_staticPressureBuffer);var t=this.GetCriticalPressure(o);o=this.m_def.staticPressureStrength*t;t=box2d.b2_maxParticlePressure*t;for(var e=this.m_def.staticPressureRelaxation,r=0;r<this.m_def.staticPressureIterations;r++){for(var i=0;i<this.m_count;i++)this.m_accumulationBuffer[i]=0;for(i=0;i<this.m_contactBuffer.count;i++){if((s=this.m_contactBuffer.data[i]).flags&box2d.b2ParticleFlag.b2_staticPressureParticle){var n=s.indexA,p=s.indexB,s=s.weight;this.m_accumulationBuffer[n]+=s*this.m_staticPressureBuffer[p],this.m_accumulationBuffer[p]+=s*this.m_staticPressureBuffer[n]}}for(i=0;i<this.m_count;i++)s=this.m_weightBuffer[i],this.m_staticPressureBuffer[i]=this.m_flagsBuffer.data[i]&box2d.b2ParticleFlag.b2_staticPressureParticle?box2d.b2Clamp((this.m_accumulationBuffer[i]+o*(s-box2d.b2_minParticleWeight))/(s+e),0,t):0}},box2d.b2ParticleSystem.prototype.ComputeWeight=function(){for(var o=0;o<this.m_count;o++)this.m_weightBuffer[o]=0;for(o=0;o<this.m_bodyContactBuffer.count;o++){var t=(e=this.m_bodyContactBuffer.data[o]).index,e=e.weight;this.m_weightBuffer[t]+=e}for(o=0;o<this.m_contactBuffer.count;o++){t=(e=this.m_contactBuffer.data[o]).indexA;var r=e.indexB;e=e.weight;this.m_weightBuffer[t]+=e,this.m_weightBuffer[r]+=e}},box2d.b2ParticleSystem.prototype.SolvePressure=function(o){for(var t=box2d.b2ParticleSystem.prototype.SolvePressure.s_f,e=this.m_positionBuffer.data,r=this.m_velocityBuffer.data,i=this.GetCriticalPressure(o),n=this.m_def.pressureStrength*i,p=box2d.b2_maxParticlePressure*i,s=0;s<this.m_count;s++){i=this.m_weightBuffer[s];var l=n*box2d.b2Max(0,i-box2d.b2_minParticleWeight);this.m_accumulationBuffer[s]=box2d.b2Min(l,p)}if(this.m_allParticleFlags&box2d.b2ParticleSystem.k_noPressureFlags)for(s=0;s<this.m_count;s++)this.m_flagsBuffer.data[s]&box2d.b2ParticleSystem.k_noPressureFlags&&(this.m_accumulationBuffer[s]=0);if(this.m_allParticleFlags&box2d.b2ParticleFlag.b2_staticPressureParticle)for(box2d.b2Assert(null!==this.m_staticPressureBuffer),s=0;s<this.m_count;s++)this.m_flagsBuffer.data[s]&box2d.b2ParticleFlag.b2_staticPressureParticle&&(this.m_accumulationBuffer[s]+=this.m_staticPressureBuffer[s]);for(o=o.dt/(this.m_def.density*this.m_particleDiameter),p=this.GetParticleInvMass(),s=0;s<this.m_bodyContactBuffer.count;s++){var x=(l=this.m_bodyContactBuffer.data[s]).index,y=l.body,_=(i=l.weight,l.mass),m=l.normal,u=e[x];l=this.m_accumulationBuffer[x]+n*i,i=box2d.b2Mul_S_V2(o*i*_*l,m,t);r[x].SelfMulSub(p,i),y.ApplyLinearImpulse(i,u,!0)}for(s=0;s<this.m_contactBuffer.count;s++)x=(l=this.m_contactBuffer.data[s]).indexA,y=l.indexB,i=l.weight,m=l.normal,l=this.m_accumulationBuffer[x]+this.m_accumulationBuffer[y],i=box2d.b2Mul_S_V2(o*i*l,m,t),r[x].SelfSub(i),r[y].SelfAdd(i)},box2d.b2ParticleSystem.prototype.SolvePressure.s_f=new box2d.b2Vec2,box2d.b2ParticleSystem.prototype.SolveDamping=function(o){var t=box2d.b2ParticleSystem.prototype.SolveDamping.s_v,e=box2d.b2ParticleSystem.prototype.SolveDamping.s_f,r=this.m_positionBuffer.data,i=this.m_velocityBuffer.data,n=this.m_def.dampingStrength;o=1/this.GetCriticalVelocity(o);for(var p=this.GetParticleInvMass(),s=0;s<this.m_bodyContactBuffer.count;s++){var l=(u=this.m_bodyContactBuffer.data[s]).index,x=u.body,y=u.weight,_=u.mass,m=u.normal,u=r[l],h=box2d.b2Sub_V2_V2(x.GetLinearVelocityFromWorldPoint(u,box2d.b2Vec2.s_t0),i[l],t);0>(h=box2d.b2Dot_V2_V2(h,m))&&(y=box2d.b2Max(n*y,box2d.b2Min(-o*h,.5)),_=box2d.b2Mul_S_V2(y*_*h,m,e),i[l].SelfMulAdd(p,_),x.ApplyLinearImpulse(_.SelfNeg(),u,!0))}for(s=0;s<this.m_contactBuffer.count;s++)l=(u=this.m_contactBuffer.data[s]).indexA,x=u.indexB,y=u.weight,m=u.normal,h=box2d.b2Sub_V2_V2(i[x],i[l],t),0>(h=box2d.b2Dot_V2_V2(h,m))&&(y=box2d.b2Max(n*y,box2d.b2Min(-o*h,.5)),_=box2d.b2Mul_S_V2(y*h,m,e),i[l].SelfAdd(_),i[x].SelfSub(_))},box2d.b2ParticleSystem.prototype.SolveDamping.s_v=new box2d.b2Vec2,box2d.b2ParticleSystem.prototype.SolveDamping.s_f=new box2d.b2Vec2,box2d.b2ParticleSystem.prototype.SolveRigidDamping=function(){for(var o=box2d.b2ParticleSystem.prototype.SolveRigidDamping.s_t0,t=box2d.b2ParticleSystem.prototype.SolveRigidDamping.s_t1,e=box2d.b2ParticleSystem.prototype.SolveRigidDamping.s_p,r=box2d.b2ParticleSystem.prototype.SolveRigidDamping.s_v,i=[0],n=[0],p=[0],s=[0],l=[0],x=[0],y=this.m_positionBuffer.data,_=this.m_def.dampingStrength,m=0;m<this.m_bodyContactBuffer.count;m++){var u=(C=this.m_bodyContactBuffer.data[m]).index,h=this.m_groupBuffer[u];if(this.IsRigidGroup(h)){var g=C.body,S=C.normal,P=C.weight,C=y[u],A=box2d.b2Sub_V2_V2(g.GetLinearVelocityFromWorldPoint(C,o),h.GetLinearVelocityFromWorldPoint(C,t),r);0>(A=box2d.b2Dot_V2_V2(A,S))&&(this.InitDampingParameterWithRigidGroupOrParticle(i,n,p,!0,h,u,C,S),this.InitDampingParameter(s,l,x,g.GetMass(),g.GetInertia()-g.GetMass()*g.GetLocalCenter().LengthSquared(),g.GetWorldCenter(),C,S),P=_*box2d.b2Min(P,1)*this.ComputeDampingImpulse(i[0],n[0],p[0],s[0],l[0],x[0],A),this.ApplyDamping(i[0],n[0],p[0],!0,h,u,P,S),g.ApplyLinearImpulse(box2d.b2Mul_S_V2(-P,S,box2d.b2Vec2.s_t0),C,!0))}}for(m=0;m<this.m_contactBuffer.count;m++){u=(C=this.m_contactBuffer.data[m]).indexA,g=C.indexB,S=C.normal,P=C.weight,h=this.m_groupBuffer[u];var B=this.m_groupBuffer[g],v=this.IsRigidGroup(h),V=this.IsRigidGroup(B);h!==B&&(v||V)&&(C=box2d.b2Mid_V2_V2(y[u],y[g],e),A=box2d.b2Sub_V2_V2(this.GetLinearVelocity(B,g,C,o),this.GetLinearVelocity(h,u,C,t),r),0>(A=box2d.b2Dot_V2_V2(A,S))&&(this.InitDampingParameterWithRigidGroupOrParticle(i,n,p,v,h,u,C,S),this.InitDampingParameterWithRigidGroupOrParticle(s,l,x,V,B,g,C,S),P=_*P*this.ComputeDampingImpulse(i[0],n[0],p[0],s[0],l[0],x[0],A),this.ApplyDamping(i[0],n[0],p[0],v,h,u,P,S),this.ApplyDamping(s[0],l[0],x[0],V,B,g,-P,S)))}},box2d.b2ParticleSystem.prototype.SolveRigidDamping.s_t0=new box2d.b2Vec2,box2d.b2ParticleSystem.prototype.SolveRigidDamping.s_t1=new box2d.b2Vec2,box2d.b2ParticleSystem.prototype.SolveRigidDamping.s_p=new box2d.b2Vec2,box2d.b2ParticleSystem.prototype.SolveRigidDamping.s_v=new box2d.b2Vec2,box2d.b2ParticleSystem.prototype.SolveExtraDamping=function(){for(var o=box2d.b2ParticleSystem.prototype.SolveExtraDamping.s_v,t=box2d.b2ParticleSystem.prototype.SolveExtraDamping.s_f,e=this.m_velocityBuffer.data,r=this.m_positionBuffer.data,i=this.GetParticleInvMass(),n=0;n<this.m_bodyContactBuffer.count;n++){var p=(y=this.m_bodyContactBuffer.data[n]).index;if(this.m_flagsBuffer.data[p]&box2d.b2ParticleSystem.k_extraDampingFlags){var s=y.body,l=y.mass,x=y.normal,y=r[p],_=box2d.b2Sub_V2_V2(s.GetLinearVelocityFromWorldPoint(y,box2d.b2Vec2.s_t0),e[p],o);0>(_=box2d.b2Dot_V2_V2(_,x))&&(l=box2d.b2Mul_S_V2(.5*l*_,x,t),e[p].SelfMulAdd(i,l),s.ApplyLinearImpulse(l.SelfNeg(),y,!0))}}},box2d.b2ParticleSystem.prototype.SolveExtraDamping.s_v=new box2d.b2Vec2,box2d.b2ParticleSystem.prototype.SolveExtraDamping.s_f=new box2d.b2Vec2,box2d.b2ParticleSystem.prototype.SolveWall=function(){for(var o=this.m_velocityBuffer.data,t=0;t<this.m_count;t++)this.m_flagsBuffer.data[t]&box2d.b2ParticleFlag.b2_wallParticle&&o[t].SetZero()},box2d.b2ParticleSystem.prototype.SolveRigid=function(o){for(var t=box2d.b2ParticleSystem.prototype.SolveRigid.s_position,e=box2d.b2ParticleSystem.prototype.SolveRigid.s_rotation,r=box2d.b2ParticleSystem.prototype.SolveRigid.s_transform,i=box2d.b2ParticleSystem.prototype.SolveRigid.s_velocityTransform,n=this.m_positionBuffer.data,p=this.m_velocityBuffer.data,s=this.m_groupList;s;s=s.GetNext())if(s.m_groupFlags&box2d.b2ParticleGroupFlag.b2_rigidParticleGroup){s.UpdateStatistics();var l=e;l.SetAngle(o.dt*s.m_angularVelocity);var x=box2d.b2Add_V2_V2(s.m_center,box2d.b2Sub_V2_V2(box2d.b2Mul_S_V2(o.dt,s.m_linearVelocity,box2d.b2Vec2.s_t0),box2d.b2Mul_R_V2(l,s.m_center,box2d.b2Vec2.s_t1),box2d.b2Vec2.s_t0),t),y=r;for(y.SetPositionRotation(x,l),box2d.b2Mul_X_X(y,s.m_transform,s.m_transform),(l=i).p.x=o.inv_dt*y.p.x,l.p.y=o.inv_dt*y.p.y,l.q.s=o.inv_dt*y.q.s,l.q.c=o.inv_dt*(y.q.c-1),y=s.m_firstIndex;y<s.m_lastIndex;y++)box2d.b2Mul_X_V2(l,n[y],p[y])}},box2d.b2ParticleSystem.prototype.SolveRigid.s_position=new box2d.b2Vec2,box2d.b2ParticleSystem.prototype.SolveRigid.s_rotation=new box2d.b2Rot,box2d.b2ParticleSystem.prototype.SolveRigid.s_transform=new box2d.b2Transform,box2d.b2ParticleSystem.prototype.SolveRigid.s_velocityTransform=new box2d.b2Transform,box2d.b2ParticleSystem.prototype.SolveElastic=function(o){for(var t=box2d.b2ParticleSystem.prototype.SolveElastic.s_pa,e=box2d.b2ParticleSystem.prototype.SolveElastic.s_pb,r=box2d.b2ParticleSystem.prototype.SolveElastic.s_pc,i=box2d.b2ParticleSystem.prototype.SolveElastic.s_r,n=box2d.b2ParticleSystem.prototype.SolveElastic.s_t0,p=this.m_positionBuffer.data,s=this.m_velocityBuffer.data,l=o.inv_dt*this.m_def.elasticStrength,x=0;x<this.m_triadBuffer.count;x++){var y=this.m_triadBuffer.data[x];if(y.flags&box2d.b2ParticleFlag.b2_elasticParticle){var _=y.indexA,m=y.indexB,u=y.indexC,h=y.pa,g=y.pb,S=y.pc,P=t.Copy(p[_]),C=e.Copy(p[m]),A=r.Copy(p[u]);_=s[_],m=s[m],u=s[u];P.SelfMulAdd(o.dt,_),C.SelfMulAdd(o.dt,m),A.SelfMulAdd(o.dt,u);var B=(P.x+C.x+A.x)/3,v=(P.y+C.y+A.y)/3;P.x-=B,P.y-=v,C.x-=B,C.y-=v,A.x-=B,A.y-=v,(B=i).s=box2d.b2Cross_V2_V2(h,P)+box2d.b2Cross_V2_V2(g,C)+box2d.b2Cross_V2_V2(S,A),B.c=box2d.b2Dot_V2_V2(h,P)+box2d.b2Dot_V2_V2(g,C)+box2d.b2Dot_V2_V2(S,A),v=box2d.b2InvSqrt(B.s*B.s+B.c*B.c),isFinite(v)||(v=198177537e11),B.s*=v,B.c*=v,B.angle=Math.atan2(B.s,B.c),y=l*y.strength,box2d.b2Mul_R_V2(B,h,n),box2d.b2Sub_V2_V2(n,P,n),box2d.b2Mul_S_V2(y,n,n),_.SelfAdd(n),box2d.b2Mul_R_V2(B,g,n),box2d.b2Sub_V2_V2(n,C,n),box2d.b2Mul_S_V2(y,n,n),m.SelfAdd(n),box2d.b2Mul_R_V2(B,S,n),box2d.b2Sub_V2_V2(n,A,n),box2d.b2Mul_S_V2(y,n,n),u.SelfAdd(n)}}},box2d.b2ParticleSystem.prototype.SolveElastic.s_pa=new box2d.b2Vec2,box2d.b2ParticleSystem.prototype.SolveElastic.s_pb=new box2d.b2Vec2,box2d.b2ParticleSystem.prototype.SolveElastic.s_pc=new box2d.b2Vec2,box2d.b2ParticleSystem.prototype.SolveElastic.s_r=new box2d.b2Rot,box2d.b2ParticleSystem.prototype.SolveElastic.s_t0=new box2d.b2Vec2,box2d.b2ParticleSystem.prototype.SolveSpring=function(o){for(var t=box2d.b2ParticleSystem.prototype.SolveSpring.s_pa,e=box2d.b2ParticleSystem.prototype.SolveSpring.s_pb,r=box2d.b2ParticleSystem.prototype.SolveSpring.s_d,i=box2d.b2ParticleSystem.prototype.SolveSpring.s_f,n=this.m_positionBuffer.data,p=this.m_velocityBuffer.data,s=o.inv_dt*this.m_def.springStrength,l=0;l<this.m_pairBuffer.count;l++){if((h=this.m_pairBuffer.data[l]).flags&box2d.b2ParticleFlag.b2_springParticle){var x=h.indexA,y=h.indexB,_=t.Copy(n[x]),m=e.Copy(n[y]);x=p[x],y=p[y];_.SelfMulAdd(o.dt,x),m.SelfMulAdd(o.dt,y);_=box2d.b2Sub_V2_V2(m,_,r),m=h.distance;var u=_.Length(),h=box2d.b2Mul_S_V2(s*h.strength*(m-u)/u,_,i);x.SelfSub(h),y.SelfAdd(h)}}},box2d.b2ParticleSystem.prototype.SolveSpring.s_pa=new box2d.b2Vec2,box2d.b2ParticleSystem.prototype.SolveSpring.s_pb=new box2d.b2Vec2,box2d.b2ParticleSystem.prototype.SolveSpring.s_d=new box2d.b2Vec2,box2d.b2ParticleSystem.prototype.SolveSpring.s_f=new box2d.b2Vec2,box2d.b2ParticleSystem.prototype.SolveTensile=function(o){var t=box2d.b2ParticleSystem.prototype.SolveTensile.s_weightedNormal,e=box2d.b2ParticleSystem.prototype.SolveTensile.s_s,r=box2d.b2ParticleSystem.prototype.SolveTensile.s_f,i=this.m_velocityBuffer.data;box2d.b2Assert(null!==this.m_accumulation2Buffer);for(var n=0;n<this.m_count;n++)this.m_accumulation2Buffer[n]=box2d.b2Vec2_zero.Clone(),this.m_accumulation2Buffer[n].SetZero();for(n=0;n<this.m_contactBuffer.count;n++){if((x=this.m_contactBuffer.data[n]).flags&box2d.b2ParticleFlag.b2_tensileParticle){var p=x.indexA,s=x.indexB,l=x.weight,x=x.normal;l=box2d.b2Mul_S_V2((1-l)*l,x,t);this.m_accumulation2Buffer[p].SelfSub(l),this.m_accumulation2Buffer[s].SelfAdd(l)}}n=this.GetCriticalVelocity(o),o=this.m_def.surfaceTensionPressureStrength*n;t=this.m_def.surfaceTensionNormalStrength*n;var y=box2d.b2_maxParticleForce*n;for(n=0;n<this.m_contactBuffer.count;n++)if((x=this.m_contactBuffer.data[n]).flags&box2d.b2ParticleFlag.b2_tensileParticle){p=x.indexA,s=x.indexB,l=x.weight,x=x.normal;var _=this.m_weightBuffer[p]+this.m_weightBuffer[s],m=box2d.b2Sub_V2_V2(this.m_accumulation2Buffer[s],this.m_accumulation2Buffer[p],e);l=box2d.b2Min(o*(_-2)+t*box2d.b2Dot_V2_V2(m,x),y)*l,l=box2d.b2Mul_S_V2(l,x,r);i[p].SelfSub(l),i[s].SelfAdd(l)}},box2d.b2ParticleSystem.prototype.SolveTensile.s_weightedNormal=new box2d.b2Vec2,box2d.b2ParticleSystem.prototype.SolveTensile.s_s=new box2d.b2Vec2,box2d.b2ParticleSystem.prototype.SolveTensile.s_f=new box2d.b2Vec2,box2d.b2ParticleSystem.prototype.SolveViscous=function(){for(var o=box2d.b2ParticleSystem.prototype.SolveViscous.s_v,t=box2d.b2ParticleSystem.prototype.SolveViscous.s_f,e=this.m_positionBuffer.data,r=this.m_velocityBuffer.data,i=this.m_def.viscousStrength,n=this.GetParticleInvMass(),p=0;p<this.m_bodyContactBuffer.count;p++){var s=(_=this.m_bodyContactBuffer.data[p]).index;if(this.m_flagsBuffer.data[s]&box2d.b2ParticleFlag.b2_viscousParticle){var l=_.body,x=_.weight,y=_.mass,_=e[s],m=box2d.b2Sub_V2_V2(l.GetLinearVelocityFromWorldPoint(_,box2d.b2Vec2.s_t0),r[s],o);x=box2d.b2Mul_S_V2(i*y*x,m,t);r[s].SelfMulAdd(n,x),l.ApplyLinearImpulse(x.SelfNeg(),_,!0)}}for(p=0;p<this.m_contactBuffer.count;p++)(_=this.m_contactBuffer.data[p]).flags&box2d.b2ParticleFlag.b2_viscousParticle&&(s=_.indexA,l=_.indexB,x=_.weight,m=box2d.b2Sub_V2_V2(r[l],r[s],o),x=box2d.b2Mul_S_V2(i*x,m,t),r[s].SelfAdd(x),r[l].SelfSub(x))},box2d.b2ParticleSystem.prototype.SolveViscous.s_v=new box2d.b2Vec2,box2d.b2ParticleSystem.prototype.SolveViscous.s_f=new box2d.b2Vec2,box2d.b2ParticleSystem.prototype.SolveRepulsive=function(o){var t=box2d.b2ParticleSystem.prototype.SolveRepulsive.s_f,e=this.m_velocityBuffer.data;o=this.m_def.repulsiveStrength*this.GetCriticalVelocity(o);for(var r=0;r<this.m_contactBuffer.count;r++){var i=this.m_contactBuffer.data[r];if(i.flags&box2d.b2ParticleFlag.b2_repulsiveParticle){var n=i.indexA,p=i.indexB;this.m_groupBuffer[n]!==this.m_groupBuffer[p]&&(i=box2d.b2Mul_S_V2(o*i.weight,i.normal,t),e[n].SelfSub(i),e[p].SelfAdd(i))}}},box2d.b2ParticleSystem.prototype.SolveRepulsive.s_f=new box2d.b2Vec2,box2d.b2ParticleSystem.prototype.SolvePowder=function(o){var t=box2d.b2ParticleSystem.prototype.SolvePowder.s_f,e=this.m_positionBuffer.data,r=this.m_velocityBuffer.data;o=this.m_def.powderStrength*this.GetCriticalVelocity(o);for(var i=1-box2d.b2_particleStride,n=this.GetParticleInvMass(),p=0;p<this.m_bodyContactBuffer.count;p++){var s=(m=this.m_bodyContactBuffer.data[p]).index;if(this.m_flagsBuffer.data[s]&box2d.b2ParticleFlag.b2_powderParticle){var l=m.weight;if(l>i){var x=m.body,y=e[s],_=m.normal,m=box2d.b2Mul_S_V2(o*m.mass*(l-i),_,t);r[s].SelfMulSub(n,m),x.ApplyLinearImpulse(m,y,!0)}}}for(p=0;p<this.m_contactBuffer.count;p++)(m=this.m_contactBuffer.data[p]).flags&box2d.b2ParticleFlag.b2_powderParticle&&((l=m.weight)>i&&(s=m.indexA,x=m.indexB,_=m.normal,m=box2d.b2Mul_S_V2(o*(l-i),_,t),r[s].SelfSub(m),r[x].SelfAdd(m)))},box2d.b2ParticleSystem.prototype.SolvePowder.s_f=new box2d.b2Vec2,box2d.b2ParticleSystem.prototype.SolveSolid=function(o){var t=box2d.b2ParticleSystem.prototype.SolveSolid.s_f,e=this.m_velocityBuffer.data;this.m_depthBuffer=this.RequestBuffer(this.m_depthBuffer),o=o.inv_dt*this.m_def.ejectionStrength;for(var r=0;r<this.m_contactBuffer.count;r++){var i=this.m_contactBuffer.data[r],n=i.indexA,p=i.indexB;this.m_groupBuffer[n]!==this.m_groupBuffer[p]&&(i=box2d.b2Mul_S_V2(o*(this.m_depthBuffer[n]+this.m_depthBuffer[p])*i.weight,i.normal,t),e[n].SelfSub(i),e[p].SelfAdd(i))}},box2d.b2ParticleSystem.prototype.SolveSolid.s_f=new box2d.b2Vec2,box2d.b2ParticleSystem.prototype.SolveForce=function(o){var t=this.m_velocityBuffer.data;o=o.dt*this.GetParticleInvMass();for(var e=0;e<this.m_count;e++)t[e].SelfMulAdd(o,this.m_forceBuffer[e]);this.m_hasForce=!1},box2d.b2ParticleSystem.prototype.SolveColorMixing=function(){box2d.b2Assert(null!==this.m_colorBuffer.data);var o=Math.floor(128*this.m_def.colorMixingStrength);if(o)for(var t=0;t<this.m_contactBuffer.count;t++){var e=(r=this.m_contactBuffer.data[t]).indexA,r=r.indexB;this.m_flagsBuffer.data[e]&this.m_flagsBuffer.data[r]&box2d.b2ParticleFlag.b2_colorMixingParticle&&box2d.b2ParticleColor.MixColors(this.m_colorBuffer.data[e],this.m_colorBuffer.data[r],o)}},box2d.b2ParticleSystem.prototype.SolveZombie=function(){for(var o=0,t=[],e=0;e<this.m_count;e++)t[e]=box2d.b2_invalidParticleIndex;box2d.b2Assert(t.length===this.m_count);var r=0;for(e=0;e<this.m_count;e++){var i=this.m_flagsBuffer.data[e];if(i&box2d.b2ParticleFlag.b2_zombieParticle){var n=this.m_world.m_destructionListener;i&box2d.b2ParticleFlag.b2_destructionListenerParticle&&n&&n.SayGoodbyeParticle(this,e),this.m_handleIndexBuffer.data&&(n=this.m_handleIndexBuffer.data[e])&&(n.SetIndex(box2d.b2_invalidParticleIndex),this.m_handleIndexBuffer.data[e]=null),t[e]=box2d.b2_invalidParticleIndex}else t[e]=o,e!==o&&(this.m_handleIndexBuffer.data&&((n=this.m_handleIndexBuffer.data[e])&&n.SetIndex(o),this.m_handleIndexBuffer.data[o]=n),this.m_flagsBuffer.data[o]=this.m_flagsBuffer.data[e],this.m_lastBodyContactStepBuffer.data&&(this.m_lastBodyContactStepBuffer.data[o]=this.m_lastBodyContactStepBuffer.data[e]),this.m_bodyContactCountBuffer.data&&(this.m_bodyContactCountBuffer.data[o]=this.m_bodyContactCountBuffer.data[e]),this.m_consecutiveContactStepsBuffer.data&&(this.m_consecutiveContactStepsBuffer.data[o]=this.m_consecutiveContactStepsBuffer.data[e]),this.m_positionBuffer.data[o].Copy(this.m_positionBuffer.data[e]),this.m_velocityBuffer.data[o].Copy(this.m_velocityBuffer.data[e]),this.m_groupBuffer[o]=this.m_groupBuffer[e],this.m_hasForce&&this.m_forceBuffer[o].Copy(this.m_forceBuffer[e]),this.m_staticPressureBuffer&&(this.m_staticPressureBuffer[o]=this.m_staticPressureBuffer[e]),this.m_depthBuffer&&(this.m_depthBuffer[o]=this.m_depthBuffer[e]),this.m_colorBuffer.data&&this.m_colorBuffer.data[o].Copy(this.m_colorBuffer.data[e]),this.m_userDataBuffer.data&&(this.m_userDataBuffer.data[o]=this.m_userDataBuffer.data[e]),this.m_expirationTimeBuffer.data&&(this.m_expirationTimeBuffer.data[o]=this.m_expirationTimeBuffer.data[e])),o++,r|=i}for(e=0;e<this.m_proxyBuffer.count;e++)(i=this.m_proxyBuffer.data[e]).index=t[i.index];for(this.m_proxyBuffer.RemoveIf((function(o){return 0>o.index})),e=0;e<this.m_contactBuffer.count;e++)(i=this.m_contactBuffer.data[e]).indexA=t[i.indexA],i.indexB=t[i.indexB];for(this.m_contactBuffer.RemoveIf((function(o){return 0>o.indexA||0>o.indexB})),e=0;e<this.m_bodyContactBuffer.count;e++)(i=this.m_bodyContactBuffer.data[e]).index=t[i.index];for(this.m_bodyContactBuffer.RemoveIf((function(o){return 0>o.index})),e=0;e<this.m_pairBuffer.count;e++)(i=this.m_pairBuffer.data[e]).indexA=t[i.indexA],i.indexB=t[i.indexB];for(this.m_pairBuffer.RemoveIf((function(o){return 0>o.indexA||0>o.indexB})),e=0;e<this.m_triadBuffer.count;e++)(i=this.m_triadBuffer.data[e]).indexA=t[i.indexA],i.indexB=t[i.indexB],i.indexC=t[i.indexC];if(this.m_triadBuffer.RemoveIf((function(o){return 0>o.indexA||0>o.indexB||0>o.indexC})),this.m_indexByExpirationTimeBuffer.data)for(i=e=0;i<this.m_count;i++)(n=t[this.m_indexByExpirationTimeBuffer.data[i]])!==box2d.b2_invalidParticleIndex&&(this.m_indexByExpirationTimeBuffer.data[e++]=n);for(i=this.m_groupList;i;i=i.GetNext()){n=o;var p=0,s=!1;for(e=i.m_firstIndex;e<i.m_lastIndex;e++){var l=t[e];0<=l?(n=box2d.b2Min(n,l),p=box2d.b2Max(p,l+1)):s=!0}n<p?(i.m_firstIndex=n,i.m_lastIndex=p,s&&i.m_groupFlags&box2d.b2ParticleGroupFlag.b2_solidParticleGroup&&this.SetGroupFlags(i,i.m_groupFlags|box2d.b2ParticleGroupFlag.b2_particleGroupNeedsUpdateDepth)):(i.m_firstIndex=0,i.m_lastIndex=0,i.m_groupFlags&box2d.b2ParticleGroupFlag.b2_particleGroupCanBeEmpty||this.SetGroupFlags(i,i.m_groupFlags|box2d.b2ParticleGroupFlag.b2_particleGroupWillBeDestroyed))}for(this.m_count=o,this.m_allParticleFlags=r,this.m_needsUpdateAllParticleFlags=!1,i=this.m_groupList;i;)o=i.GetNext(),i.m_groupFlags&box2d.b2ParticleGroupFlag.b2_particleGroupWillBeDestroyed&&this.DestroyParticleGroup(i),i=o},box2d.b2ParticleSystem.prototype.SolveLifetimes=function(o){box2d.b2Assert(null!==this.m_expirationTimeBuffer.data),box2d.b2Assert(null!==this.m_indexByExpirationTimeBuffer.data),this.m_timeElapsed=this.LifetimeToExpirationTime(o.dt),o=this.GetQuantizedTimeElapsed();var t=this.m_expirationTimeBuffer.data,e=this.m_indexByExpirationTimeBuffer.data,r=this.GetParticleCount();for(this.m_expirationTimeBufferRequiresSorting&&(box2d.std_sort(e,0,r,(function(o,e){var r=t[o],i=t[e],n=0>=r;return n===0>=i?r>i:n})),this.m_expirationTimeBufferRequiresSorting=!1),--r;0<=r;--r){var i=e[r],n=t[i];if(o<n||0>=n)break;this.DestroyParticle(i)}},box2d.b2ParticleSystem.prototype.RotateBuffer=function(o,t,e){function d(r){return r<o?r:r<t?r+e-t:r<e?r+o-t:r}if(o!==t&&t!==e){if(box2d.b2Assert(t>=o&&t<=e),box2d.std_rotate(this.m_flagsBuffer.data,o,t,e),this.m_lastBodyContactStepBuffer.data&&box2d.std_rotate(this.m_lastBodyContactStepBuffer.data,o,t,e),this.m_bodyContactCountBuffer.data&&box2d.std_rotate(this.m_bodyContactCountBuffer.data,o,t,e),this.m_consecutiveContactStepsBuffer.data&&box2d.std_rotate(this.m_consecutiveContactStepsBuffer.data,o,t,e),box2d.std_rotate(this.m_positionBuffer.data,o,t,e),box2d.std_rotate(this.m_velocityBuffer.data,o,t,e),box2d.std_rotate(this.m_groupBuffer,o,t,e),this.m_hasForce&&box2d.std_rotate(this.m_forceBuffer,o,t,e),this.m_staticPressureBuffer&&box2d.std_rotate(this.m_staticPressureBuffer,o,t,e),this.m_depthBuffer&&box2d.std_rotate(this.m_depthBuffer,o,t,e),this.m_colorBuffer.data&&box2d.std_rotate(this.m_colorBuffer.data,o,t,e),this.m_userDataBuffer.data&&box2d.std_rotate(this.m_userDataBuffer.data,o,t,e),this.m_handleIndexBuffer.data){box2d.std_rotate(this.m_handleIndexBuffer.data,o,t,e);for(var r=o;r<e;++r){(i=this.m_handleIndexBuffer.data[r])&&i.SetIndex(d(i.GetIndex()))}}if(this.m_expirationTimeBuffer.data){box2d.std_rotate(this.m_expirationTimeBuffer.data,o,t,e);var i=this.GetParticleCount(),n=this.m_indexByExpirationTimeBuffer.data;for(r=0;r<i;++r)n[r]=d(n[r])}for(r=0;r<this.m_proxyBuffer.count;r++)(i=this.m_proxyBuffer.data[r]).index=d(i.index);for(r=0;r<this.m_contactBuffer.count;r++)(i=this.m_contactBuffer.data[r]).indexA=d(i.indexA),i.indexB=d(i.indexB);for(r=0;r<this.m_bodyContactBuffer.count;r++)(i=this.m_bodyContactBuffer.data[r]).index=d(i.index);for(r=0;r<this.m_pairBuffer.count;r++)(i=this.m_pairBuffer.data[r]).indexA=d(i.indexA),i.indexB=d(i.indexB);for(r=0;r<this.m_triadBuffer.count;r++)(i=this.m_triadBuffer.data[r]).indexA=d(i.indexA),i.indexB=d(i.indexB),i.indexC=d(i.indexC);for(r=this.m_groupList;r;r=r.GetNext())r.m_firstIndex=d(r.m_firstIndex),r.m_lastIndex=d(r.m_lastIndex-1)+1}},box2d.b2ParticleSystem.prototype.GetCriticalVelocity=function(o){return this.m_particleDiameter*o.inv_dt},box2d.b2ParticleSystem.prototype.GetCriticalVelocitySquared=function(o){return(o=this.GetCriticalVelocity(o))*o},box2d.b2ParticleSystem.prototype.GetCriticalPressure=function(o){return this.m_def.density*this.GetCriticalVelocitySquared(o)},box2d.b2ParticleSystem.prototype.GetParticleStride=function(){return box2d.b2_particleStride*this.m_particleDiameter},box2d.b2ParticleSystem.prototype.GetParticleMass=function(){var o=this.GetParticleStride();return this.m_def.density*o*o},box2d.b2ParticleSystem.prototype.GetParticleInvMass=function(){var o=1/box2d.b2_particleStride*this.m_inverseDiameter;return this.m_inverseDensity*o*o},box2d.b2ParticleSystem.prototype.GetFixtureContactFilter=function(){return this.m_allParticleFlags&box2d.b2ParticleFlag.b2_fixtureContactFilterParticle?this.m_world.m_contactManager.m_contactFilter:null},box2d.b2ParticleSystem.prototype.GetParticleContactFilter=function(){return this.m_allParticleFlags&box2d.b2ParticleFlag.b2_particleContactFilterParticle?this.m_world.m_contactManager.m_contactFilter:null},box2d.b2ParticleSystem.prototype.GetFixtureContactListener=function(){return this.m_allParticleFlags&box2d.b2ParticleFlag.b2_fixtureContactListenerParticle?this.m_world.m_contactManager.m_contactListener:null},box2d.b2ParticleSystem.prototype.GetParticleContactListener=function(){return this.m_allParticleFlags&box2d.b2ParticleFlag.b2_particleContactListenerParticle?this.m_world.m_contactManager.m_contactListener:null},box2d.b2ParticleSystem.prototype.SetUserOverridableBuffer=function(o,t,e){box2d.b2Assert(null!==t&&0<e||null===t&&0===e),o.data=t,o.userSuppliedCapacity=e},box2d.b2ParticleSystem.prototype.SetGroupFlags=function(o,t){var e=o.m_groupFlags;(e^t)&box2d.b2ParticleGroupFlag.b2_solidParticleGroup&&(t|=box2d.b2ParticleGroupFlag.b2_particleGroupNeedsUpdateDepth),e&~t&&(this.m_needsUpdateAllGroupFlags=!0),~this.m_allGroupFlags&t&&(t&box2d.b2ParticleGroupFlag.b2_solidParticleGroup&&(this.m_depthBuffer=this.RequestBuffer(this.m_depthBuffer)),this.m_allGroupFlags|=t),o.m_groupFlags=t},box2d.b2ParticleSystem.prototype.RemoveSpuriousBodyContacts=function(){box2d.std_sort(this.m_bodyContactBuffer.data,0,this.m_bodyContactBuffer.count,box2d.b2ParticleSystem.BodyContactCompare);var o=box2d.b2ParticleSystem.prototype.RemoveSpuriousBodyContacts.s_n,t=box2d.b2ParticleSystem.prototype.RemoveSpuriousBodyContacts.s_pos,e=box2d.b2ParticleSystem.prototype.RemoveSpuriousBodyContacts.s_normal,r=this,i=-1,n=0;this.m_bodyContactBuffer.count=box2d.std_remove_if(this.m_bodyContactBuffer.data,(function(p){if(p.index!==i&&(n=0,i=p.index),3<n++)return!0;var s=o.Copy(p.normal);if(s.SelfMul(r.m_particleDiameter*(1-p.weight)),s=box2d.b2Add_V2_V2(r.m_positionBuffer.data[p.index],s,t),!p.fixture.TestPoint(s)){for(var l=p.fixture.GetShape().GetChildCount(),x=0;x<l;x++)if(p.fixture.ComputeDistance(s,e,x)<box2d.b2_linearSlop)return!1;return!0}return!1}),this.m_bodyContactBuffer.count)},box2d.b2ParticleSystem.prototype.RemoveSpuriousBodyContacts.s_n=new box2d.b2Vec2,box2d.b2ParticleSystem.prototype.RemoveSpuriousBodyContacts.s_pos=new box2d.b2Vec2,box2d.b2ParticleSystem.prototype.RemoveSpuriousBodyContacts.s_normal=new box2d.b2Vec2,box2d.b2ParticleSystem.BodyContactCompare=function(o,t){return o.index===t.index?o.weight>t.weight:o.index<t.index},box2d.b2ParticleSystem.prototype.DetectStuckParticle=function(o){0>=this.m_stuckThreshold||(++this.m_bodyContactCountBuffer.data[o],2===this.m_bodyContactCountBuffer.data[o]&&(++this.m_consecutiveContactStepsBuffer.data[o],this.m_consecutiveContactStepsBuffer.data[o]>this.m_stuckThreshold&&(this.m_stuckParticleBuffer.data[this.m_stuckParticleBuffer.Append()]=o)),this.m_lastBodyContactStepBuffer.data[o]=this.m_timestamp)},box2d.b2ParticleSystem.prototype.ValidateParticleIndex=function(o){return 0<=o&&o<this.GetParticleCount()&&o!==box2d.b2_invalidParticleIndex},box2d.b2ParticleSystem.prototype.GetQuantizedTimeElapsed=function(){return Math.floor(this.m_timeElapsed/4294967296)},box2d.b2ParticleSystem.prototype.LifetimeToExpirationTime=function(o){return this.m_timeElapsed+Math.floor(o/this.m_def.lifetimeGranularity*4294967296)},box2d.b2ParticleSystem.prototype.ForceCanBeApplied=function(o){return!(o&box2d.b2ParticleFlag.b2_wallParticle)},box2d.b2ParticleSystem.prototype.PrepareForceBuffer=function(){if(!this.m_hasForce){for(var o=0;o<this.m_count;o++)this.m_forceBuffer[o].SetZero();this.m_hasForce=!0}},box2d.b2ParticleSystem.prototype.IsRigidGroup=function(o){return null!==o&&0!=(o.m_groupFlags&box2d.b2ParticleGroupFlag.b2_rigidParticleGroup)},box2d.b2ParticleSystem.prototype.GetLinearVelocity=function(o,t,e,r){return this.IsRigidGroup(o)?o.GetLinearVelocityFromWorldPoint(e,r):r.Copy(this.m_velocityBuffer.data[t])},box2d.b2ParticleSystem.prototype.InitDampingParameter=function(o,t,e,r,i,n,p,s){o[0]=0<r?1/r:0,t[0]=0<i?1/i:0,e[0]=box2d.b2Cross_V2_V2(box2d.b2Sub_V2_V2(p,n,box2d.b2Vec2.s_t0),s)},box2d.b2ParticleSystem.prototype.InitDampingParameterWithRigidGroupOrParticle=function(o,t,e,r,i,n,p,s){r?this.InitDampingParameter(o,t,e,i.GetMass(),i.GetInertia(),i.GetCenter(),p,s):this.InitDampingParameter(o,t,e,this.m_flagsBuffer.data[n]&box2d.b2ParticleFlag.b2_wallParticle?0:this.GetParticleMass(),0,p,p,s)},box2d.b2ParticleSystem.prototype.ComputeDampingImpulse=function(o,t,e,r,i,n,p){return 0<(o=o+t*e*e+r+i*n*n)?p/o:0},box2d.b2ParticleSystem.prototype.ApplyDamping=function(o,t,e,r,i,n,p,s){r?(i.m_linearVelocity.SelfMulAdd(p*o,s),i.m_angularVelocity+=p*e*t):this.m_velocityBuffer.data[n].SelfMulAdd(p*o,s)},box2d.b2StackQueue=function(o){this.m_buffer=box2d.b2MakeArray(o),this.m_end=o},box2d.b2StackQueue.prototype.m_buffer=null,box2d.b2StackQueue.prototype.m_front=0,box2d.b2StackQueue.prototype.m_back=0,box2d.b2StackQueue.prototype.m_capacity=0,box2d.b2StackQueue.prototype.Push=function(o){if(this.m_back>=this.m_capacity){for(var t=this.m_front;t<this.m_back;t++)this.m_buffer[t-this.m_front]=this.m_buffer[t];this.m_back-=this.m_front,this.m_front=0,this.m_back>=this.m_capacity&&(0<this.m_capacity?(this.m_buffer.concat(box2d.b2MakeArray(this.m_capacity)),this.m_capacity*=2):(this.m_buffer.concat(box2d.b2MakeArray(1)),this.m_capacity=1))}this.m_buffer[this.m_back]=o,this.m_back++},box2d.b2StackQueue.prototype.Pop=function(){box2d.b2Assert(this.m_front<this.m_back),this.m_buffer[this.m_front]=null,this.m_front++},box2d.b2StackQueue.prototype.Empty=function(){return box2d.b2Assert(this.m_front<=this.m_back),this.m_front===this.m_back},box2d.b2StackQueue.prototype.Front=function(){return this.m_buffer[this.m_front]},box2d.b2VoronoiDiagram=function(o){this.m_generatorBuffer=box2d.b2MakeArray(o,(function(o){return new box2d.b2VoronoiDiagram.Generator})),this.m_generatorCapacity=o},goog.exportSymbol("box2d.b2VoronoiDiagram",box2d.b2VoronoiDiagram),box2d.b2VoronoiDiagram.prototype.m_generatorBuffer=null,goog.exportProperty(box2d.b2VoronoiDiagram.prototype,"m_generatorBuffer",box2d.b2VoronoiDiagram.prototype.m_generatorBuffer),box2d.b2VoronoiDiagram.prototype.m_generatorCapacity=0,box2d.b2VoronoiDiagram.prototype.m_generatorCount=0,box2d.b2VoronoiDiagram.prototype.m_countX=0,box2d.b2VoronoiDiagram.prototype.m_countY=0,box2d.b2VoronoiDiagram.prototype.m_diagram=null,box2d.b2VoronoiDiagram.Generator=function(){this.center=new box2d.b2Vec2},box2d.b2VoronoiDiagram.Generator.prototype.center=null,box2d.b2VoronoiDiagram.Generator.prototype.tag=0,box2d.b2VoronoiDiagram.b2VoronoiDiagramTask=function(o,t,e,r){this.m_x=o,this.m_y=t,this.m_i=e,this.m_generator=r},box2d.b2VoronoiDiagram.b2VoronoiDiagramTask.prototype.m_x=0,box2d.b2VoronoiDiagram.b2VoronoiDiagramTask.prototype.m_y=0,box2d.b2VoronoiDiagram.b2VoronoiDiagramTask.prototype.m_i=0,box2d.b2VoronoiDiagram.b2VoronoiDiagramTask.prototype.m_generator=null,box2d.b2VoronoiDiagram.prototype.AddGenerator=function(o,t,e){box2d.b2Assert(this.m_generatorCount<this.m_generatorCapacity);var r=this.m_generatorBuffer[this.m_generatorCount++];r.center.Copy(o),r.tag=t,r.necessary=e},goog.exportProperty(box2d.b2VoronoiDiagram.prototype,"AddGenerator",box2d.b2VoronoiDiagram.prototype.AddGenerator),box2d.b2VoronoiDiagram.prototype.Generate=function(o,t){box2d.b2Assert(null===this.m_diagram);for(var e=1/o,r=new box2d.b2Vec2(+box2d.b2_maxFloat,+box2d.b2_maxFloat),i=new box2d.b2Vec2(-box2d.b2_maxFloat,-box2d.b2_maxFloat),n=0,p=0;p<this.m_generatorCount;p++){(l=this.m_generatorBuffer[p]).necessary&&(box2d.b2Min_V2_V2(r,l.center,r),box2d.b2Max_V2_V2(i,l.center,i),++n)}if(0===n)this.m_countY=this.m_countX=0;else{for(r.x-=t,r.y-=t,i.x+=t,i.y+=t,this.m_countX=1+Math.floor(e*(i.x-r.x)),this.m_countY=1+Math.floor(e*(i.y-r.y)),this.m_diagram=box2d.b2MakeArray(this.m_countX*this.m_countY),i=new box2d.b2StackQueue(4*this.m_countX*this.m_countY),p=0;p<this.m_generatorCount;p++){(l=this.m_generatorBuffer[p]).center.SelfSub(r).SelfMul(e);n=Math.floor(l.center.x);var s=Math.floor(l.center.y);0<=n&&0<=s&&n<this.m_countX&&s<this.m_countY&&i.Push(new box2d.b2VoronoiDiagram.b2VoronoiDiagramTask(n,s,n+s*this.m_countX,l))}for(;!i.Empty();)n=(p=i.Front()).m_x,s=p.m_y,e=p.m_i,l=p.m_generator,i.Pop(),this.m_diagram[e]||(this.m_diagram[e]=l,0<n&&i.Push(new box2d.b2VoronoiDiagram.b2VoronoiDiagramTask(n-1,s,e-1,l)),0<s&&i.Push(new box2d.b2VoronoiDiagram.b2VoronoiDiagramTask(n,s-1,e-this.m_countX,l)),n<this.m_countX-1&&i.Push(new box2d.b2VoronoiDiagram.b2VoronoiDiagramTask(n+1,s,e+1,l)),s<this.m_countY-1&&i.Push(new box2d.b2VoronoiDiagram.b2VoronoiDiagramTask(n,s+1,e+this.m_countX,l)));for(s=0;s<this.m_countY;s++)for(n=0;n<this.m_countX-1;n++)e=n+s*this.m_countX,(r=this.m_diagram[e])!==(p=this.m_diagram[e+1])&&(i.Push(new box2d.b2VoronoiDiagram.b2VoronoiDiagramTask(n,s,e,p)),i.Push(new box2d.b2VoronoiDiagram.b2VoronoiDiagramTask(n+1,s,e+1,r)));for(s=0;s<this.m_countY-1;s++)for(n=0;n<this.m_countX;n++)e=n+s*this.m_countX,(r=this.m_diagram[e])!==(p=this.m_diagram[e+this.m_countX])&&(i.Push(new box2d.b2VoronoiDiagram.b2VoronoiDiagramTask(n,s,e,p)),i.Push(new box2d.b2VoronoiDiagram.b2VoronoiDiagramTask(n,s+1,e+this.m_countX,r)));for(;!i.Empty();)if(n=(p=i.Front()).m_x,s=p.m_y,e=p.m_i,p=p.m_generator,i.Pop(),(r=this.m_diagram[e])!==p){var l=r.center.x-n,x=(r=r.center.y-s,p.center.x-n),y=p.center.y-s;l*l+r*r>x*x+y*y&&(this.m_diagram[e]=p,0<n&&i.Push(new box2d.b2VoronoiDiagram.b2VoronoiDiagramTask(n-1,s,e-1,p)),0<s&&i.Push(new box2d.b2VoronoiDiagram.b2VoronoiDiagramTask(n,s-1,e-this.m_countX,p)),n<this.m_countX-1&&i.Push(new box2d.b2VoronoiDiagram.b2VoronoiDiagramTask(n+1,s,e+1,p)),s<this.m_countY-1&&i.Push(new box2d.b2VoronoiDiagram.b2VoronoiDiagramTask(n,s+1,e+this.m_countX,p)))}}},goog.exportProperty(box2d.b2VoronoiDiagram.prototype,"Generate",box2d.b2VoronoiDiagram.prototype.Generate),box2d.b2VoronoiDiagram.prototype.GetNodes=function(o){for(var t=0;t<this.m_countY-1;t++)for(var e=0;e<this.m_countX-1;e++){var r=e+t*this.m_countX,i=this.m_diagram[r],n=this.m_diagram[r+1],p=this.m_diagram[r+this.m_countX];r=this.m_diagram[r+1+this.m_countX];n!==p&&(i!==n&&i!==p&&(i.necessary||n.necessary||p.necessary)&&o(i.tag,n.tag,p.tag),r!==n&&r!==p&&(i.necessary||n.necessary||p.necessary)&&o(n.tag,r.tag,p.tag))}},goog.exportProperty(box2d.b2VoronoiDiagram.prototype,"GetNodes",box2d.b2VoronoiDiagram.prototype.GetNodes),box2d.b2RopeDef=function(){this.vertices=[],this.masses=[],this.gravity=new box2d.b2Vec2},goog.exportSymbol("box2d.b2RopeDef",box2d.b2RopeDef),box2d.b2RopeDef.prototype.vertices=null,box2d.b2RopeDef.prototype.count=0,box2d.b2RopeDef.prototype.masses=null,box2d.b2RopeDef.prototype.gravity=null,box2d.b2RopeDef.prototype.damping=.1,box2d.b2RopeDef.prototype.k2=.9,box2d.b2RopeDef.prototype.k3=.1,box2d.b2Rope=function(){this.m_gravity=new box2d.b2Vec2},goog.exportSymbol("box2d.b2Rope",box2d.b2Rope),box2d.b2Rope.prototype.m_count=0,box2d.b2Rope.prototype.m_ps=null,box2d.b2Rope.prototype.m_p0s=null,box2d.b2Rope.prototype.m_vs=null,box2d.b2Rope.prototype.m_ims=null,box2d.b2Rope.prototype.m_Ls=null,box2d.b2Rope.prototype.m_as=null,box2d.b2Rope.prototype.m_gravity=null,box2d.b2Rope.prototype.m_damping=0,box2d.b2Rope.prototype.m_k2=1,box2d.b2Rope.prototype.m_k3=.1,box2d.b2Rope.prototype.GetVertexCount=function(){return this.m_count},goog.exportProperty(box2d.b2Rope.prototype,"GetVertexCount",box2d.b2Rope.prototype.GetVertexCount),box2d.b2Rope.prototype.GetVertices=function(){return this.m_ps},goog.exportProperty(box2d.b2Rope.prototype,"GetVertices",box2d.b2Rope.prototype.GetVertices),box2d.b2Rope.prototype.Initialize=function(o){box2d.ENABLE_ASSERTS&&box2d.b2Assert(3<=o.count),this.m_count=o.count,this.m_ps=box2d.b2Vec2.MakeArray(this.m_count),this.m_p0s=box2d.b2Vec2.MakeArray(this.m_count),this.m_vs=box2d.b2Vec2.MakeArray(this.m_count),this.m_ims=box2d.b2MakeNumberArray(this.m_count);for(var t=0;t<this.m_count;++t){this.m_ps[t].Copy(o.vertices[t]),this.m_p0s[t].Copy(o.vertices[t]),this.m_vs[t].SetZero();var e=o.masses[t];this.m_ims[t]=0<e?1/e:0}var r=this.m_count-1;e=this.m_count-2;for(this.m_Ls=box2d.b2MakeNumberArray(r),this.m_as=box2d.b2MakeNumberArray(e),t=0;t<r;++t){var i=this.m_ps[t],n=this.m_ps[t+1];this.m_Ls[t]=box2d.b2Distance(i,n)}for(t=0;t<e;++t)i=this.m_ps[t],n=this.m_ps[t+1],r=this.m_ps[t+2],i=box2d.b2Sub_V2_V2(n,i,box2d.b2Vec2.s_t0),r=box2d.b2Sub_V2_V2(r,n,box2d.b2Vec2.s_t1),n=box2d.b2Cross_V2_V2(i,r),i=box2d.b2Dot_V2_V2(i,r),this.m_as[t]=box2d.b2Atan2(n,i);this.m_gravity.Copy(o.gravity),this.m_damping=o.damping,this.m_k2=o.k2,this.m_k3=o.k3},goog.exportProperty(box2d.b2Rope.prototype,"Initialize",box2d.b2Rope.prototype.Initialize),box2d.b2Rope.prototype.Step=function(o,t){if(0!==o){for(var e=Math.exp(-o*this.m_damping),r=0;r<this.m_count;++r)this.m_p0s[r].Copy(this.m_ps[r]),0<this.m_ims[r]&&this.m_vs[r].SelfMulAdd(o,this.m_gravity),this.m_vs[r].SelfMul(e),this.m_ps[r].SelfMulAdd(o,this.m_vs[r]);for(r=0;r<t;++r)this.SolveC2(),this.SolveC3(),this.SolveC2();for(e=1/o,r=0;r<this.m_count;++r)box2d.b2Mul_S_V2(e,box2d.b2Sub_V2_V2(this.m_ps[r],this.m_p0s[r],box2d.b2Vec2.s_t0),this.m_vs[r])}},goog.exportProperty(box2d.b2Rope.prototype,"Step",box2d.b2Rope.prototype.Step),box2d.b2Rope.prototype.SolveC2=function(){for(var o=this.m_count-1,t=0;t<o;++t){var e=this.m_ps[t],r=this.m_ps[t+1],i=box2d.b2Sub_V2_V2(r,e,box2d.b2Rope.s_d),n=i.Normalize(),p=this.m_ims[t],s=this.m_ims[t+1];if(0!==p+s){var l=s/(p+s);e.SelfMulSub(p/(p+s)*this.m_k2*(this.m_Ls[t]-n),i),r.SelfMulAdd(this.m_k2*l*(this.m_Ls[t]-n),i)}}},goog.exportProperty(box2d.b2Rope.prototype,"SolveC2",box2d.b2Rope.prototype.SolveC2),box2d.b2Rope.s_d=new box2d.b2Vec2,box2d.b2Rope.prototype.SetAngle=function(o){for(var t=this.m_count-2,e=0;e<t;++e)this.m_as[e]=o},goog.exportProperty(box2d.b2Rope.prototype,"SetAngle",box2d.b2Rope.prototype.SetAngle),box2d.b2Rope.prototype.SolveC3=function(){for(var o=this.m_count-2,t=0;t<o;++t){var e=this.m_ps[t],r=this.m_ps[t+1],i=this.m_ps[t+2],n=this.m_ims[t],p=this.m_ims[t+1],s=this.m_ims[t+2],l=box2d.b2Sub_V2_V2(r,e,box2d.b2Rope.s_d1),x=box2d.b2Sub_V2_V2(i,r,box2d.b2Rope.s_d2);if(0!=(m=l.LengthSquared())*(u=x.LengthSquared())){var y=box2d.b2Cross_V2_V2(l,x),_=box2d.b2Dot_V2_V2(l,x),m=(y=box2d.b2Atan2(y,_),l=box2d.b2Mul_S_V2(-1/m,l.SelfSkew(),box2d.b2Rope.s_Jd1),box2d.b2Mul_S_V2(1/u,x.SelfSkew(),box2d.b2Rope.s_Jd2)),u=(x=box2d.b2Rope.s_J1.Copy(l).SelfNeg(),box2d.b2Sub_V2_V2(l,m,box2d.b2Rope.s_J2));l=m;if(0!==(m=n*box2d.b2Dot_V2_V2(x,x)+p*box2d.b2Dot_V2_V2(u,u)+s*box2d.b2Dot_V2_V2(l,l))){for(m=1/m,_=y-this.m_as[t];_>box2d.b2_pi;)_=(y-=2*box2d.b2_pi)-this.m_as[t];for(;_<-box2d.b2_pi;)_=(y+=2*box2d.b2_pi)-this.m_as[t];y=-this.m_k3*m*_,e.SelfMulAdd(n*y,x),r.SelfMulAdd(p*y,u),i.SelfMulAdd(s*y,l)}}}},goog.exportProperty(box2d.b2Rope.prototype,"SolveC3",box2d.b2Rope.prototype.SolveC3),box2d.b2Rope.s_d1=new box2d.b2Vec2,box2d.b2Rope.s_d2=new box2d.b2Vec2,box2d.b2Rope.s_Jd1=new box2d.b2Vec2,box2d.b2Rope.s_Jd2=new box2d.b2Vec2,box2d.b2Rope.s_J1=new box2d.b2Vec2,box2d.b2Rope.s_J2=new box2d.b2Vec2,box2d.b2Rope.prototype.Draw=function(o){for(var t=new box2d.b2Color(.4,.5,.7),e=0;e<this.m_count-1;++e)o.DrawSegment(this.m_ps[e],this.m_ps[e+1],t)},goog.exportProperty(box2d.b2Rope.prototype,"Draw",box2d.b2Rope.prototype.Draw),box2d.b2ControllerEdge=function(){},goog.exportSymbol("box2d.b2ControllerEdge",box2d.b2ControllerEdge),box2d.b2ControllerEdge.prototype.controller=null,goog.exportProperty(box2d.b2ControllerEdge.prototype,"controller",box2d.b2ControllerEdge.prototype.controller),box2d.b2ControllerEdge.prototype.body=null,goog.exportProperty(box2d.b2ControllerEdge.prototype,"body",box2d.b2ControllerEdge.prototype.body),box2d.b2ControllerEdge.prototype.prevBody=null,goog.exportProperty(box2d.b2ControllerEdge.prototype,"prevBody",box2d.b2ControllerEdge.prototype.prevBody),box2d.b2ControllerEdge.prototype.nextBody=null,goog.exportProperty(box2d.b2ControllerEdge.prototype,"nextBody",box2d.b2ControllerEdge.prototype.nextBody),box2d.b2ControllerEdge.prototype.prevController=null,goog.exportProperty(box2d.b2ControllerEdge.prototype,"prevController",box2d.b2ControllerEdge.prototype.prevController),box2d.b2ControllerEdge.prototype.nextController=null,goog.exportProperty(box2d.b2ControllerEdge.prototype,"nextController",box2d.b2ControllerEdge.prototype.nextController),box2d.b2Controller=function(){},goog.exportSymbol("box2d.b2Controller",box2d.b2Controller),box2d.b2Controller.prototype.m_world=null,goog.exportProperty(box2d.b2Controller.prototype,"m_world",box2d.b2Controller.prototype.m_world),box2d.b2Controller.prototype.m_bodyList=null,goog.exportProperty(box2d.b2Controller.prototype,"m_bodyList",box2d.b2Controller.prototype.m_bodyList),box2d.b2Controller.prototype.m_bodyCount=0,goog.exportProperty(box2d.b2Controller.prototype,"m_bodyCount",box2d.b2Controller.prototype.m_bodyCount),box2d.b2Controller.prototype.m_prev=null,goog.exportProperty(box2d.b2Controller.prototype,"m_prev",box2d.b2Controller.prototype.m_prev),box2d.b2Controller.prototype.m_next=null,goog.exportProperty(box2d.b2Controller.prototype,"m_next",box2d.b2Controller.prototype.m_next),box2d.b2Controller.prototype.Step=function(o){},goog.exportProperty(box2d.b2Controller.prototype,"Step",box2d.b2Controller.prototype.Step),box2d.b2Controller.prototype.Draw=function(o){},goog.exportProperty(box2d.b2Controller.prototype,"Draw",box2d.b2Controller.prototype.Draw),box2d.b2Controller.prototype.GetNext=function(){return this.m_next},goog.exportProperty(box2d.b2Controller.prototype,"GetNext",box2d.b2Controller.prototype.GetNext),box2d.b2Controller.prototype.GetPrev=function(){return this.m_prev},goog.exportProperty(box2d.b2Controller.prototype,"GetPrev",box2d.b2Controller.prototype.GetPrev),box2d.b2Controller.prototype.GetWorld=function(){return this.m_world},goog.exportProperty(box2d.b2Controller.prototype,"GetWorld",box2d.b2Controller.prototype.GetWorld),box2d.b2Controller.prototype.GetBodyList=function(){return this.m_bodyList},goog.exportProperty(box2d.b2Controller.prototype,"GetBodyList",box2d.b2Controller.prototype.GetBodyList),box2d.b2Controller.prototype.AddBody=function(o){var t=new box2d.b2ControllerEdge;t.body=o,t.controller=this,t.nextBody=this.m_bodyList,t.prevBody=null,this.m_bodyList&&(this.m_bodyList.prevBody=t),this.m_bodyList=t,++this.m_bodyCount,t.nextController=o.m_controllerList,t.prevController=null,o.m_controllerList&&(o.m_controllerList.prevController=t),o.m_controllerList=t,++o.m_controllerCount},goog.exportProperty(box2d.b2Controller.prototype,"AddBody",box2d.b2Controller.prototype.AddBody),box2d.b2Controller.prototype.RemoveBody=function(o){box2d.ENABLE_ASSERTS&&box2d.b2Assert(0<this.m_bodyCount);for(var t=this.m_bodyList;t&&t.body!==o;)t=t.nextBody;box2d.ENABLE_ASSERTS&&box2d.b2Assert(null!==t),t.prevBody&&(t.prevBody.nextBody=t.nextBody),t.nextBody&&(t.nextBody.prevBody=t.prevBody),this.m_bodyList===t&&(this.m_bodyList=t.nextBody),--this.m_bodyCount,t.nextController&&(t.nextController.prevController=t.prevController),t.prevController&&(t.prevController.nextController=t.nextController),o.m_controllerList===t&&(o.m_controllerList=t.nextController),--o.m_controllerCount},goog.exportProperty(box2d.b2Controller.prototype,"RemoveBody",box2d.b2Controller.prototype.RemoveBody),box2d.b2Controller.prototype.Clear=function(){for(;this.m_bodyList;)this.RemoveBody(this.m_bodyList.body);this.m_bodyCount=0},goog.exportProperty(box2d.b2Controller.prototype,"Clear",box2d.b2Controller.prototype.Clear),box2d.b2BuoyancyController=function(){box2d.b2Controller.call(this),this.normal=new box2d.b2Vec2(0,1),this.velocity=new box2d.b2Vec2(0,0),this.gravity=new box2d.b2Vec2(0,0)},goog.inherits(box2d.b2BuoyancyController,box2d.b2Controller),goog.exportSymbol("box2d.b2BuoyancyController",box2d.b2BuoyancyController),box2d.b2BuoyancyController.prototype.normal=null,goog.exportProperty(box2d.b2BuoyancyController.prototype,"normal",box2d.b2BuoyancyController.prototype.normal),box2d.b2BuoyancyController.prototype.offset=0,goog.exportProperty(box2d.b2BuoyancyController.prototype,"offset",box2d.b2BuoyancyController.prototype.offset),box2d.b2BuoyancyController.prototype.density=0,goog.exportProperty(box2d.b2BuoyancyController.prototype,"density",box2d.b2BuoyancyController.prototype.density),box2d.b2BuoyancyController.prototype.velocity=null,goog.exportProperty(box2d.b2BuoyancyController.prototype,"velocity",box2d.b2BuoyancyController.prototype.velocity),box2d.b2BuoyancyController.prototype.linearDrag=0,goog.exportProperty(box2d.b2BuoyancyController.prototype,"linearDrag",box2d.b2BuoyancyController.prototype.linearDrag),box2d.b2BuoyancyController.prototype.angularDrag=0,goog.exportProperty(box2d.b2BuoyancyController.prototype,"angularDrag",box2d.b2BuoyancyController.prototype.angularDrag),box2d.b2BuoyancyController.prototype.useDensity=!1,goog.exportProperty(box2d.b2BuoyancyController.prototype,"useDensity",box2d.b2BuoyancyController.prototype.useDensity),box2d.b2BuoyancyController.prototype.useWorldGravity=!0,goog.exportProperty(box2d.b2BuoyancyController.prototype,"useWorldGravity",box2d.b2BuoyancyController.prototype.useWorldGravity),box2d.b2BuoyancyController.prototype.gravity=null,goog.exportProperty(box2d.b2BuoyancyController.prototype,"gravity",box2d.b2BuoyancyController.prototype.gravity),box2d.b2BuoyancyController.prototype.Step=function(o){if(this.m_bodyList)for(this.useWorldGravity&&this.gravity.Copy(this.GetWorld().GetGravity()),o=this.m_bodyList;o;o=o.nextBody){var t=o.body;if(t.IsAwake()){for(var e=new box2d.b2Vec2,r=new box2d.b2Vec2,i=0,n=0,p=t.GetFixtureList();p;p=p.m_next){var s=new box2d.b2Vec2,l=p.GetShape().ComputeSubmergedArea(this.normal,this.offset,t.GetTransform(),s);i=i+l;e.x+=l*s.x,e.y+=l*s.y;var x=0;n=n+l*(x=this.useDensity?p.GetDensity():1);r.x+=l*s.x*x,r.y+=l*s.y*x}e.x/=i,e.y/=i,r.x/=n,r.y/=n,i<box2d.b2_epsilon||((n=this.gravity.Clone().SelfNeg()).SelfMul(this.density*i),t.ApplyForce(n,r),(r=t.GetLinearVelocityFromWorldPoint(e,new box2d.b2Vec2)).SelfSub(this.velocity),r.SelfMul(-this.linearDrag*i),t.ApplyForce(r,e),t.ApplyTorque(-t.GetInertia()/t.GetMass()*i*t.GetAngularVelocity()*this.angularDrag))}}},goog.exportProperty(box2d.b2BuoyancyController.prototype,"Step",box2d.b2BuoyancyController.prototype.Step),box2d.b2BuoyancyController.prototype.Draw=function(o){var t=new box2d.b2Vec2,e=new box2d.b2Vec2;t.x=this.normal.x*this.offset+100*this.normal.y,t.y=this.normal.y*this.offset-100*this.normal.x,e.x=this.normal.x*this.offset-100*this.normal.y,e.y=this.normal.y*this.offset+100*this.normal.x;var r=new box2d.b2Color(0,0,.8);o.DrawSegment(t,e,r)},goog.exportProperty(box2d.b2BuoyancyController.prototype,"Draw",box2d.b2BuoyancyController.prototype.Draw),box2d.b2ConstantAccelController=function(){box2d.b2Controller.call(this),this.A=new box2d.b2Vec2(0,0)},goog.inherits(box2d.b2ConstantAccelController,box2d.b2Controller),goog.exportSymbol("box2d.b2ConstantAccelController",box2d.b2ConstantAccelController),box2d.b2ConstantAccelController.prototype.A=null,goog.exportProperty(box2d.b2ConstantAccelController.prototype,"A",box2d.b2ConstantAccelController.prototype.A),box2d.b2ConstantAccelController.prototype.Step=function(o){o=box2d.b2Mul_S_V2(o.dt,this.A,box2d.b2ConstantAccelController.prototype.Step.s_dtA);for(var t=this.m_bodyList;t;t=t.nextBody){var e=t.body;e.IsAwake()&&e.SetLinearVelocity(box2d.b2Add_V2_V2(e.GetLinearVelocity(),o,box2d.b2Vec2.s_t0))}},goog.exportProperty(box2d.b2ConstantAccelController.prototype,"Step",box2d.b2ConstantAccelController.prototype.Step),box2d.b2ConstantAccelController.prototype.Step.s_dtA=new box2d.b2Vec2,box2d.b2ConstantForceController=function(){box2d.b2Controller.call(this),this.F=new box2d.b2Vec2(0,0)},goog.inherits(box2d.b2ConstantForceController,box2d.b2Controller),goog.exportSymbol("box2d.b2ConstantForceController",box2d.b2ConstantForceController),box2d.b2ConstantAccelController.prototype.F=null,goog.exportProperty(box2d.b2ConstantAccelController.prototype,"F",box2d.b2ConstantAccelController.prototype.F),box2d.b2ConstantForceController.prototype.Step=function(o){for(o=this.m_bodyList;o;o=o.nextBody){var t=o.body;t.IsAwake()&&t.ApplyForce(this.F,t.GetWorldCenter())}},goog.exportProperty(box2d.b2ConstantForceController.prototype,"Step",box2d.b2ConstantForceController.prototype.Step),box2d.b2GravityController=function(){box2d.b2Controller.call(this)},goog.inherits(box2d.b2GravityController,box2d.b2Controller),goog.exportSymbol("box2d.b2GravityController",box2d.b2GravityController),box2d.b2GravityController.prototype.G=1,goog.exportProperty(box2d.b2GravityController.prototype,"G",box2d.b2GravityController.prototype.G),box2d.b2GravityController.prototype.invSqr=!0,goog.exportProperty(box2d.b2GravityController.prototype,"invSqr",box2d.b2GravityController.prototype.invSqr),box2d.b2GravityController.prototype.Step=function(o){if(this.invSqr)for(o=this.m_bodyList;o;o=o.nextBody)for(var t=o.body,e=t.GetWorldCenter(),r=t.GetMass(),i=this.m_bodyList;i!==o;i=i.nextBody){var n=i.body,p=n.GetWorldCenter(),s=n.GetMass(),l=p.x-e.x,x=p.y-e.y,y=l*l+x*x;y<box2d.b2_epsilon||((l=box2d.b2GravityController.prototype.Step.s_f.Set(l,x)).SelfMul(this.G/y/box2d.b2Sqrt(y)*r*s),t.IsAwake()&&t.ApplyForce(l,e),n.IsAwake()&&n.ApplyForce(l.SelfMul(-1),p))}else for(o=this.m_bodyList;o;o=o.nextBody)for(e=(t=o.body).GetWorldCenter(),r=t.GetMass(),i=this.m_bodyList;i!==o;i=i.nextBody)p=(n=i.body).GetWorldCenter(),s=n.GetMass(),(y=(l=p.x-e.x)*l+(x=p.y-e.y)*x)<box2d.b2_epsilon||((l=box2d.b2GravityController.prototype.Step.s_f.Set(l,x)).SelfMul(this.G/y*r*s),t.IsAwake()&&t.ApplyForce(l,e),n.IsAwake()&&n.ApplyForce(l.SelfMul(-1),p))},goog.exportProperty(box2d.b2GravityController.prototype,"Step",box2d.b2GravityController.prototype.Step),box2d.b2GravityController.prototype.Step.s_f=new box2d.b2Vec2,box2d.b2TensorDampingController=function(){box2d.b2Controller.call(this),this.T=new box2d.b2Mat22,this.maxTimestep=0},goog.inherits(box2d.b2TensorDampingController,box2d.b2Controller),goog.exportSymbol("box2d.b2TensorDampingController",box2d.b2TensorDampingController),box2d.b2TensorDampingController.prototype.T=new box2d.b2Mat22,goog.exportProperty(box2d.b2TensorDampingController.prototype,"T",box2d.b2TensorDampingController.prototype.T),box2d.b2TensorDampingController.prototype.maxTimestep=0,goog.exportProperty(box2d.b2TensorDampingController.prototype,"maxTimestep",box2d.b2TensorDampingController.prototype.maxTimestep),box2d.b2TensorDampingController.prototype.Step=function(o){if(!((o=o.dt)<=box2d.b2_epsilon)){o>this.maxTimestep&&0<this.maxTimestep&&(o=this.maxTimestep);for(var t=this.m_bodyList;t;t=t.nextBody){var e=t.body;if(e.IsAwake()){var r=e.GetWorldVector(box2d.b2Mul_M22_V2(this.T,e.GetLocalVector(e.GetLinearVelocity(),box2d.b2Vec2.s_t0),box2d.b2Vec2.s_t1),box2d.b2TensorDampingController.prototype.Step.s_damping);e.SetLinearVelocity(box2d.b2Add_V2_V2(e.GetLinearVelocity(),box2d.b2Mul_S_V2(o,r,box2d.b2Vec2.s_t0),box2d.b2Vec2.s_t1))}}}},box2d.b2TensorDampingController.prototype.Step.s_damping=new box2d.b2Vec2,box2d.b2TensorDampingController.prototype.SetAxisAligned=function(o,t){this.T.ex.x=-o,this.T.ex.y=0,this.T.ey.x=0,this.T.ey.y=-t,this.maxTimestep=0<o||0<t?1/box2d.b2Max(o,t):0},box2d.b2Vec2.SubVV=function(o,t,e){return e.x=o.x-t.x,e.y=o.y-t.y,e},window.box2d=box2d,function(o,t){"use strict";class e{}e.RigidBody=null,e.Physics=null;class r extends t.Component{constructor(){super(...arguments),this._isSensor=!1,this._density=10,this._friction=.2,this._restitution=0}getDef(){if(!this._def){var o=new window.box2d.b2FixtureDef;o.density=this.density,o.friction=this.friction,o.isSensor=this.isSensor,o.restitution=this.restitution,o.shape=this._shape,this._def=o}return this._def}_onEnable(){this.rigidBody?this.refresh():t.Laya.systemTimer.callLater(this,this._checkRigidBody)}_checkRigidBody(){if(!this.rigidBody){var o=this.owner.getComponent(e.RigidBody);o&&(this.rigidBody=o,this.refresh())}}_onDestroy(){this.rigidBody&&(this.fixture&&(this.fixture.GetBody()==this.rigidBody._getOriBody()&&this.rigidBody.body.DestroyFixture(this.fixture),this.fixture=null),this.rigidBody=null,this._shape=null,this._def=null)}get isSensor(){return this._isSensor}set isSensor(o){this._isSensor=o,this._def&&(this._def.isSensor=o,this.refresh())}get density(){return this._density}set density(o){this._density=o,this._def&&(this._def.density=o,this.refresh())}get friction(){return this._friction}set friction(o){this._friction=o,this._def&&(this._def.friction=o,this.refresh())}get restitution(){return this._restitution}set restitution(o){this._restitution=o,this._def&&(this._def.restitution=o,this.refresh())}refresh(){if(this.enabled&&this.rigidBody){var o=this.rigidBody.body;this.fixture&&(this.fixture.GetBody()==this.rigidBody.body&&this.rigidBody.body.DestroyFixture(this.fixture),this.fixture.Destroy(),this.fixture=null);var t=this.getDef();t.filter.groupIndex=this.rigidBody.group,t.filter.categoryBits=this.rigidBody.category,t.filter.maskBits=this.rigidBody.mask,this.fixture=o.CreateFixture(t),this.fixture.collider=this}}resetShape(o=!0){}get isSingleton(){return!1}}t.ClassUtils.regClass("laya.physics.ColliderBase",r),t.ClassUtils.regClass("Laya.ColliderBase",r);class i extends t.Component{constructor(){super(...arguments),this._type="dynamic",this._allowSleep=!0,this._angularVelocity=0,this._angularDamping=0,this._linearVelocity={x:0,y:0},this._linearDamping=0,this._bullet=!1,this._allowRotation=!0,this._gravityScale=1,this.group=0,this.category=1,this.mask=-1,this.label="RigidBody"}_createBody(){if(!this._body&&this.owner){var o=this.owner,r=window.box2d,i=new r.b2BodyDef,n=o.localToGlobal(t.Point.TEMP.setTo(0,0),!1,e.Physics.I.worldRoot);i.position.Set(n.x/e.Physics.PIXEL_RATIO,n.y/e.Physics.PIXEL_RATIO),i.angle=t.Utils.toRadian(o.rotation),i.allowSleep=this._allowSleep,i.angularDamping=this._angularDamping,i.angularVelocity=this._angularVelocity,i.bullet=this._bullet,i.fixedRotation=!this._allowRotation,i.gravityScale=this._gravityScale,i.linearDamping=this._linearDamping;var p=this._linearVelocity;(p&&0!=p.x||0!=p.y)&&(i.linearVelocity=new r.b2Vec2(p.x,p.y)),i.type=r.b2BodyType["b2_"+this._type+"Body"],this._body=e.Physics.I._createBody(i),this.resetCollider(!1)}}_onAwake(){this._createBody()}_onEnable(){var o=this;this._createBody(),t.Laya.physicsTimer.frameLoop(1,this,this._sysPhysicToNode);var e=this.owner;if(this.accessGetSetFunc(e,"x","set")&&!e._changeByRigidBody){e._changeByRigidBody=!0,this._overSet(e,"x",(function(t){o.accessGetSetFunc(e,"x","set")(t),o._sysPosToPhysic()})),this._overSet(e,"y",(function(t){o.accessGetSetFunc(e,"y","set")(t),o._sysPosToPhysic()})),this._overSet(e,"rotation",(function(t){o.accessGetSetFunc(e,"rotation","set")(t),o._sysNodeToPhysic()})),this._overSet(e,"scaleX",(function(t){o.accessGetSetFunc(e,"scaleX","set")(t),o.resetCollider(!0)})),this._overSet(e,"scaleY",(function(t){o.accessGetSetFunc(e,"scaleY","set")(t),o.resetCollider(!0)}))}}accessGetSetFunc(o,t,e){if(-1===["get","set"].indexOf(e))return;let r=`_$${e}_${t}`;if(o[r])return o[r];let i,n=o.constructor;for(;n;){if(i=Object.getOwnPropertyDescriptor(n.prototype,t),i&&i[e]){o[r]=i[e].bind(o);break}n=Object.getPrototypeOf(n)}return o[r]}resetCollider(o){var t=this.owner.getComponents(r);if(t)for(var e=0,i=t.length;e<i;e++){var n=t[e];n.rigidBody=this,o?n.resetShape():n.refresh()}}_sysPhysicToNode(){if("static"!=this.type&&this._body.IsAwake()){var o=this._body.GetPosition(),r=this._body.GetAngle(),i=this.owner;if(this.accessGetSetFunc(i,"rotation","set")(t.Utils.toAngle(r)-i.parent.globalRotation),0==r){var n=i.parent.globalToLocal(t.Point.TEMP.setTo(o.x*e.Physics.PIXEL_RATIO+i.pivotX,o.y*e.Physics.PIXEL_RATIO+i.pivotY),!1,e.Physics.I.worldRoot);this.accessGetSetFunc(i,"x","set")(n.x),this.accessGetSetFunc(i,"y","set")(n.y)}else(n=i.globalToLocal(t.Point.TEMP.setTo(o.x*e.Physics.PIXEL_RATIO,o.y*e.Physics.PIXEL_RATIO),!1,e.Physics.I.worldRoot)).x+=i.pivotX,n.y+=i.pivotY,n=i.toParentPoint(n),this.accessGetSetFunc(i,"x","set")(n.x),this.accessGetSetFunc(i,"y","set")(n.y)}}_sysNodeToPhysic(){var o=this.owner;this._body.SetAngle(t.Utils.toRadian(o.rotation));var r=o.localToGlobal(t.Point.TEMP.setTo(0,0),!1,e.Physics.I.worldRoot);this._body.SetPositionXY(r.x/e.Physics.PIXEL_RATIO,r.y/e.Physics.PIXEL_RATIO)}_sysPosToPhysic(){var o=this.owner.localToGlobal(t.Point.TEMP.setTo(0,0),!1,e.Physics.I.worldRoot);this._body.SetPositionXY(o.x/e.Physics.PIXEL_RATIO,o.y/e.Physics.PIXEL_RATIO)}_overSet(o,t,e){Object.defineProperty(o,t,{get:this.accessGetSetFunc(o,t,"get"),set:e,enumerable:!1,configurable:!0})}_onDisable(){t.Laya.physicsTimer.clear(this,this._sysPhysicToNode),this._body&&e.Physics.I._removeBody(this._body),this._body=null;var o=this.owner;o._changeByRigidBody&&(this._overSet(o,"x",this.accessGetSetFunc(o,"x","set")),this._overSet(o,"y",this.accessGetSetFunc(o,"y","set")),this._overSet(o,"rotation",this.accessGetSetFunc(o,"rotation","set")),this._overSet(o,"scaleX",this.accessGetSetFunc(o,"scaleX","set")),this._overSet(o,"scaleY",this.accessGetSetFunc(o,"scaleY","set")),o._changeByRigidBody=!1)}getBody(){return this._body||this._onAwake(),this._body}_getOriBody(){return this._body}get body(){return this._body||this._onAwake(),this._body}applyForce(o,t){this._body||this._onAwake(),this._body.ApplyForce(t,o)}applyForceToCenter(o){this._body||this._onAwake(),this._body.ApplyForceToCenter(o)}applyLinearImpulse(o,t){this._body||this._onAwake(),this._body.ApplyLinearImpulse(t,o)}applyLinearImpulseToCenter(o){this._body||this._onAwake(),this._body.ApplyLinearImpulseToCenter(o)}applyTorque(o){this._body||this._onAwake(),this._body.ApplyTorque(o)}setVelocity(o){this._body||this._onAwake(),this._body.SetLinearVelocity(o)}setAngle(o){this._body||this._onAwake(),this._body.SetAngle(o),this._body.SetAwake(!0)}getMass(){return this._body?this._body.GetMass():0}getCenter(){this._body||this._onAwake();var o=this._body.GetLocalCenter();return o.x=o.x*e.Physics.PIXEL_RATIO,o.y=o.y*e.Physics.PIXEL_RATIO,o}getWorldCenter(){this._body||this._onAwake();var o=this._body.GetWorldCenter();return o.x=o.x*e.Physics.PIXEL_RATIO,o.y=o.y*e.Physics.PIXEL_RATIO,o}get type(){return this._type}set type(o){this._type=o,this._body&&this._body.SetType(window.box2d.b2BodyType["b2_"+this._type+"Body"])}get gravityScale(){return this._gravityScale}set gravityScale(o){this._gravityScale=o,this._body&&this._body.SetGravityScale(o)}get allowRotation(){return this._allowRotation}set allowRotation(o){this._allowRotation=o,this._body&&this._body.SetFixedRotation(!o)}get allowSleep(){return this._allowSleep}set allowSleep(o){this._allowSleep=o,this._body&&this._body.SetSleepingAllowed(o)}get angularDamping(){return this._angularDamping}set angularDamping(o){this._angularDamping=o,this._body&&this._body.SetAngularDamping(o)}get angularVelocity(){return this._body?this._body.GetAngularVelocity():this._angularVelocity}set angularVelocity(o){this._angularVelocity=o,this._body&&this._body.SetAngularVelocity(o)}get linearDamping(){return this._linearDamping}set linearDamping(o){this._linearDamping=o,this._body&&this._body.SetLinearDamping(o)}get linearVelocity(){if(this._body){var o=this._body.GetLinearVelocity();return{x:o.x,y:o.y}}return this._linearVelocity}set linearVelocity(o){o&&(o instanceof Array&&(o={x:o[0],y:o[1]}),this._linearVelocity=o,this._body&&this._body.SetLinearVelocity(new window.box2d.b2Vec2(o.x,o.y)))}get bullet(){return this._bullet}set bullet(o){this._bullet=o,this._body&&this._body.SetBullet(o)}}t.ClassUtils.regClass("laya.physics.RigidBody",i),t.ClassUtils.regClass("Laya.RigidBody",i);class n{SayGoodbyeJoint(o){o.m_userData&&(o.m_userData.isDestroy=!0)}SayGoodbyeFixture(o){}SayGoodbyeParticleGroup(o){}SayGoodbyeParticle(o){}}class p extends t.EventDispatcher{constructor(){super(),this.box2d=window.box2d,this.velocityIterations=8,this.positionIterations=3,this._eventList=[]}static get I(){return p._I||(p._I=new p)}static enable(o=null){p.I.start(o),e.RigidBody=i,e.Physics=this}start(o=null){if(!this._enabled){this._enabled=!0,o||(o={});var e=window.box2d;if(null==e)return void console.error("Can not find box2d libs, you should request box2d.js first.");var r=new e.b2Vec2(0,o.gravity||500/p.PIXEL_RATIO);this.world=new e.b2World(r),this.world.SetDestructionListener(new n),this.world.SetContactListener(new s),this.allowSleeping=null==o.allowSleeping||o.allowSleeping,o.customUpdate||t.Laya.physicsTimer.frameLoop(1,this,this._update),this._emptyBody=this._createBody(new window.box2d.b2BodyDef)}}_update(){this.world.Step(1/60,this.velocityIterations,this.positionIterations,3);var o=this._eventList.length;if(o>0){for(var t=0;t<o;t+=2)this._sendEvent(this._eventList[t],this._eventList[t+1]);this._eventList.length=0}}_sendEvent(o,e){var r=e.GetFixtureA().collider,i=e.GetFixtureB().collider,n=r.owner,s=i.owner;if(e.getHitInfo=function(){var o=new this.box2d.b2WorldManifold;this.GetWorldManifold(o);var t=o.points[0];return t.x*=p.PIXEL_RATIO,t.y*=p.PIXEL_RATIO,o},n){var l=[i,r,e];0===o?(n.event(t.Event.TRIGGER_ENTER,l),n._triggered?n.event(t.Event.TRIGGER_STAY,l):n._triggered=!0):(n._triggered=!1,n.event(t.Event.TRIGGER_EXIT,l))}s&&(l=[r,i,e],0===o?(s.event(t.Event.TRIGGER_ENTER,l),s._triggered?s.event(t.Event.TRIGGER_STAY,l):s._triggered=!0):(s._triggered=!1,s.event(t.Event.TRIGGER_EXIT,l)))}_createBody(o){return this.world?this.world.CreateBody(o):(console.error('The physical engine should be initialized first.use "Physics.enable()"'),null)}_removeBody(o){this.world?this.world.DestroyBody(o):console.error('The physical engine should be initialized first.use "Physics.enable()"')}_createJoint(o){if(this.world){let t=this.world.CreateJoint(o);return t.m_userData={},t.m_userData.isDestroy=!1,t}return console.error('The physical engine should be initialized first.use "Physics.enable()"'),null}_removeJoint(o){this.world?this.world.DestroyJoint(o):console.error('The physical engine should be initialized first.use "Physics.enable()"')}stop(){t.Laya.physicsTimer.clear(this,this._update)}get allowSleeping(){return this.world.GetAllowSleeping()}set allowSleeping(o){this.world.SetAllowSleeping(o)}get gravity(){return this.world.GetGravity()}set gravity(o){this.world.SetGravity(o)}getBodyCount(){return this.world.GetBodyCount()}getContactCount(){return this.world.GetContactCount()}getJointCount(){return this.world.GetJointCount()}get worldRoot(){return this._worldRoot||t.Laya.stage}set worldRoot(o){if(this._worldRoot=o,o){var e=o.localToGlobal(t.Point.TEMP.setTo(0,0));this.world.ShiftOrigin({x:e.x/p.PIXEL_RATIO,y:e.y/p.PIXEL_RATIO})}}}p.PIXEL_RATIO=50,t.ClassUtils.regClass("laya.physics.Physics",p),t.ClassUtils.regClass("Laya.Physics",p);class s{BeginContact(o){p.I._eventList.push(0,o)}EndContact(o){p.I._eventList.push(1,o)}PreSolve(o,t){}PostSolve(o,t){}}class l extends r{constructor(){super(...arguments),this._x=0,this._y=0,this._width=100,this._height=100}getDef(){return this._shape||(this._shape=new window.box2d.b2PolygonShape,this._setShape(!1)),this.label=this.label||"BoxCollider",super.getDef()}_setShape(o=!0){var t=this.owner.scaleX||1,e=this.owner.scaleY||1;this._shape.SetAsBox(this._width/2/p.PIXEL_RATIO*t,this._height/2/p.PIXEL_RATIO*e,new window.box2d.b2Vec2((this._width/2+this._x)/p.PIXEL_RATIO*t,(this._height/2+this._y)/p.PIXEL_RATIO*e)),o&&this.refresh()}get x(){return this._x}set x(o){this._x=o,this._shape&&this._setShape()}get y(){return this._y}set y(o){this._y=o,this._shape&&this._setShape()}get width(){return this._width}set width(o){if(o<=0)throw"BoxCollider size cannot be less than 0";this._width=o,this._shape&&this._setShape()}get height(){return this._height}set height(o){if(o<=0)throw"BoxCollider size cannot be less than 0";this._height=o,this._shape&&this._setShape()}resetShape(o=!0){this._setShape()}}t.ClassUtils.regClass("laya.physics.BoxCollider",l),t.ClassUtils.regClass("Laya.BoxCollider",l);class x extends r{constructor(){super(...arguments),this._x=0,this._y=0,this._points="0,0,100,0",this._loop=!1}getDef(){return this._shape||(this._shape=new window.box2d.b2ChainShape,this._setShape(!1)),this.label=this.label||"ChainCollider",super.getDef()}_setShape(o=!0){var t=this._points.split(","),e=t.length;if(e%2==1)throw"ChainCollider points lenth must a multiplier of 2";for(var r=[],i=0,n=e;i<n;i+=2)r.push(new window.box2d.b2Vec2((this._x+parseInt(t[i]))/p.PIXEL_RATIO,(this._y+parseInt(t[i+1]))/p.PIXEL_RATIO));this._loop?this._shape.CreateLoop(r,e/2):this._shape.CreateChain(r,e/2),o&&this.refresh()}get x(){return this._x}set x(o){this._x=o,this._shape&&this._setShape()}get y(){return this._y}set y(o){this._y=o,this._shape&&this._setShape()}get points(){return this._points}set points(o){if(!o)throw"ChainCollider points cannot be empty";this._points=o,this._shape&&this._setShape()}get loop(){return this._loop}set loop(o){this._loop=o,this._shape&&this._setShape()}}t.ClassUtils.regClass("laya.physics.ChainCollider",x),t.ClassUtils.regClass("Laya.ChainCollider",x);class y extends r{constructor(){super(...arguments),this._x=0,this._y=0,this._radius=50}getDef(){return this._shape||(this._shape=new window.box2d.b2CircleShape,this._setShape(!1)),this.label=this.label||"CircleCollider",super.getDef()}_setShape(o=!0){var t=this.owner.scaleX||1;this._shape.m_radius=this._radius/p.PIXEL_RATIO*t,this._shape.m_p.Set((this._radius+this._x)/p.PIXEL_RATIO*t,(this._radius+this._y)/p.PIXEL_RATIO*t),o&&this.refresh()}get x(){return this._x}set x(o){this._x=o,this._shape&&this._setShape()}get y(){return this._y}set y(o){this._y=o,this._shape&&this._setShape()}get radius(){return this._radius}set radius(o){if(o<=0)throw"CircleCollider radius cannot be less than 0";this._radius=o,this._shape&&this._setShape()}resetShape(o=!0){this._setShape()}}t.ClassUtils.regClass("laya.physics.CircleCollider",y),t.ClassUtils.regClass("Laya.CircleCollider",y);class _ extends t.Sprite{constructor(){super(),this.m_drawFlags=99,_._inited||(_._inited=!0,_.init()),this._camera={},this._camera.m_center=new _.box2d.b2Vec2(0,0),this._camera.m_extent=25,this._camera.m_zoom=1,this._camera.m_width=1280,this._camera.m_height=800,this._mG=new t.Graphics,this.graphics=this._mG,this._textSp=new t.Sprite,this._textG=this._textSp.graphics,this.addChild(this._textSp)}static init(){_.box2d=t.Browser.window.box2d,_.DrawString_s_color=new _.box2d.b2Color(.9,.6,.6),_.DrawStringWorld_s_p=new _.box2d.b2Vec2,_.DrawStringWorld_s_cc=new _.box2d.b2Vec2,_.DrawStringWorld_s_color=new _.box2d.b2Color(.5,.9,.5)}render(o,t,e){this._renderToGraphic(),super.render(o,t,e)}_renderToGraphic(){this.world&&(this._textG.clear(),this._mG.clear(),this._mG.save(),this._mG.scale(p.PIXEL_RATIO,p.PIXEL_RATIO),this.lineWidth=1/p.PIXEL_RATIO,this.world.DrawDebugData(),this._mG.restore())}SetFlags(o){this.m_drawFlags=o}GetFlags(){return this.m_drawFlags}AppendFlags(o){this.m_drawFlags|=o}ClearFlags(o){this.m_drawFlags&=~o}PushTransform(o){this._mG.save(),this._mG.translate(o.p.x,o.p.y),this._mG.rotate(o.q.GetAngle())}PopTransform(o){this._mG.restore()}DrawPolygon(o,t,e){var r,i;for(o.length,i=[],r=0;r<t;r++)i.push(o[r].x,o[r].y);this._mG.drawPoly(0,0,i,null,e.MakeStyleString(1),this.lineWidth)}DrawSolidPolygon(o,t,e){var r,i;for(o.length,i=[],r=0;r<t;r++)i.push(o[r].x,o[r].y);this._mG.drawPoly(0,0,i,e.MakeStyleString(.5),e.MakeStyleString(1),this.lineWidth)}DrawCircle(o,t,e){this._mG.drawCircle(o.x,o.y,t,null,e.MakeStyleString(1),this.lineWidth)}DrawSolidCircle(o,t,e,r){var i=o.x,n=o.y;this._mG.drawCircle(i,n,t,r.MakeStyleString(.5),r.MakeStyleString(1),this.lineWidth),this._mG.drawLine(i,n,i+e.x*t,n+e.y*t,r.MakeStyleString(1),this.lineWidth)}DrawParticles(o,t,e,r){if(null!==e)for(var i=0;i<r;++i){var n=o[i],p=e[i];this._mG.drawCircle(n.x,n.y,t,p.MakeStyleString(),null,this.lineWidth)}else for(i=0;i<r;++i)n=o[i],this._mG.drawCircle(n.x,n.y,t,"#ffff00",null,this.lineWidth)}DrawSegment(o,t,e){this._mG.drawLine(o.x,o.y,t.x,t.y,e.MakeStyleString(1),this.lineWidth)}DrawTransform(o){this.PushTransform(o),this._mG.drawLine(0,0,1,0,_.box2d.b2Color.RED.MakeStyleString(1),this.lineWidth),this._mG.drawLine(0,0,0,1,_.box2d.b2Color.GREEN.MakeStyleString(1),this.lineWidth),this.PopTransform(o)}DrawPoint(o,t,e){t*=this._camera.m_zoom;var r=(t/=this._camera.m_extent)/2;this._mG.drawRect(o.x-r,o.y-r,t,t,e.MakeStyleString(),null)}DrawString(o,t,e){this._textG.fillText(e,o,t,"15px DroidSans",_.DrawString_s_color.MakeStyleString(),"left")}DrawStringWorld(o,t,e){this.DrawString(o,t,e)}DrawAABB(o,t){var e=o.lowerBound.x,r=o.lowerBound.y,i=o.upperBound.x-o.lowerBound.x,n=o.upperBound.y-o.lowerBound.y;this._mG.drawRect(e,r,i,n,null,t.MakeStyleString(),this.lineWidth)}static enable(o=99){if(!_.I){var e=new _;e.world=p.I.world,e.world.SetDebugDraw(e),e.zOrder=1e3,e.m_drawFlags=o,t.Laya.stage.addChild(e),_.I=e}return e}}_._inited=!1,t.ClassUtils.regClass("laya.physics.PhysicsDebugDraw",_),t.ClassUtils.regClass("Laya.PhysicsDebugDraw",_);class m extends r{constructor(){super(...arguments),this._x=0,this._y=0,this._points="50,0,100,100,0,100"}getDef(){return this._shape||(this._shape=new window.box2d.b2PolygonShape,this._setShape(!1)),this.label=this.label||"PolygonCollider",super.getDef()}_setShape(o=!0){var t=this._points.split(","),e=t.length;if(e<6)throw"PolygonCollider points must be greater than 3";if(e%2==1)throw"PolygonCollider points lenth must a multiplier of 2";for(var r=[],i=0,n=e;i<n;i+=2)r.push(new window.box2d.b2Vec2((this._x+parseInt(t[i]))/p.PIXEL_RATIO,(this._y+parseInt(t[i+1]))/p.PIXEL_RATIO));this._shape.Set(r,e/2),o&&this.refresh()}get x(){return this._x}set x(o){this._x=o,this._shape&&this._setShape()}get y(){return this._y}set y(o){this._y=o,this._shape&&this._setShape()}get points(){return this._points}set points(o){if(!o)throw"PolygonCollider points cannot be empty";this._points=o,this._shape&&this._setShape()}}t.ClassUtils.regClass("laya.physics.PolygonCollider",m),t.ClassUtils.regClass("Laya.PolygonCollider",m);class u extends t.Component{get joint(){return this._joint||this._createJoint(),this._joint}_onEnable(){this._createJoint()}_onAwake(){this._createJoint()}_createJoint(){}_onDisable(){this._joint&&this._joint.m_userData&&!this._joint.m_userData.isDestroy&&p.I._removeJoint(this._joint),this._joint=null}}t.ClassUtils.regClass("laya.physics.joint.JointBase",u),t.ClassUtils.regClass("Laya.JointBase",u);class h extends u{constructor(){super(...arguments),this.selfAnchor=[0,0],this.otherAnchor=[0,0],this.collideConnected=!1,this._length=0,this._frequency=0,this._damping=0}_createJoint(){if(!this._joint){if(this.selfBody=this.selfBody||this.owner.getComponent(i),!this.selfBody)throw"selfBody can not be empty";var o=window.box2d,t=h._temp||(h._temp=new o.b2DistanceJointDef);t.bodyA=this.otherBody?this.otherBody.getBody():p.I._emptyBody,t.bodyB=this.selfBody.getBody(),t.localAnchorA.Set(this.otherAnchor[0]/p.PIXEL_RATIO,this.otherAnchor[1]/p.PIXEL_RATIO),t.localAnchorB.Set(this.selfAnchor[0]/p.PIXEL_RATIO,this.selfAnchor[1]/p.PIXEL_RATIO),t.frequencyHz=this._frequency,t.dampingRatio=this._damping,t.collideConnected=this.collideConnected;var e=t.bodyA.GetWorldPoint(t.localAnchorA,new o.b2Vec2),r=t.bodyB.GetWorldPoint(t.localAnchorB,new o.b2Vec2);t.length=this._length/p.PIXEL_RATIO||o.b2Vec2.SubVV(r,e,new o.b2Vec2).Length(),this._joint=p.I._createJoint(t)}}get length(){return this._length}set length(o){this._length=o,this._joint&&this._joint.SetLength(o/p.PIXEL_RATIO)}get frequency(){return this._frequency}set frequency(o){this._frequency=o,this._joint&&this._joint.SetFrequency(o)}get damping(){return this._damping}set damping(o){this._damping=o,this._joint&&this._joint.SetDampingRatio(o)}}t.ClassUtils.regClass("laya.physics.joint.DistanceJoint",h),t.ClassUtils.regClass("Laya.DistanceJoint",h);class g extends u{constructor(){super(...arguments),this.collideConnected=!1,this._ratio=1}_createJoint(){if(!this._joint){if(!this.joint1)throw"Joint1 can not be empty";if(!this.joint2)throw"Joint2 can not be empty";var o=window.box2d,t=g._temp||(g._temp=new o.b2GearJointDef);t.bodyA=this.joint1.owner.getComponent(i).getBody(),t.bodyB=this.joint2.owner.getComponent(i).getBody(),t.joint1=this.joint1.joint,t.joint2=this.joint2.joint,t.ratio=this._ratio,t.collideConnected=this.collideConnected,this._joint=p.I._createJoint(t)}}get ratio(){return this._ratio}set ratio(o){this._ratio=o,this._joint&&this._joint.SetRatio(o)}}t.ClassUtils.regClass("laya.physics.joint.GearJoint",g),t.ClassUtils.regClass("Laya.GearJoint",g);class S extends u{constructor(){super(...arguments),this.collideConnected=!1,this._linearOffset=[0,0],this._angularOffset=0,this._maxForce=1e3,this._maxTorque=1e3,this._correctionFactor=.3}_createJoint(){if(!this._joint){if(!this.otherBody)throw"otherBody can not be empty";if(this.selfBody=this.selfBody||this.owner.getComponent(i),!this.selfBody)throw"selfBody can not be empty";var o=window.box2d,t=S._temp||(S._temp=new o.b2MotorJointDef);t.Initialize(this.otherBody.getBody(),this.selfBody.getBody()),t.linearOffset=new o.b2Vec2(this._linearOffset[0]/p.PIXEL_RATIO,this._linearOffset[1]/p.PIXEL_RATIO),t.angularOffset=this._angularOffset,t.maxForce=this._maxForce,t.maxTorque=this._maxTorque,t.correctionFactor=this._correctionFactor,t.collideConnected=this.collideConnected,this._joint=p.I._createJoint(t)}}get linearOffset(){return this._linearOffset}set linearOffset(o){this._linearOffset=o,this._joint&&this._joint.SetLinearOffset(new window.box2d.b2Vec2(o[0]/p.PIXEL_RATIO,o[1]/p.PIXEL_RATIO))}get angularOffset(){return this._angularOffset}set angularOffset(o){this._angularOffset=o,this._joint&&this._joint.SetAngularOffset(o)}get maxForce(){return this._maxForce}set maxForce(o){this._maxForce=o,this._joint&&this._joint.SetMaxForce(o)}get maxTorque(){return this._maxTorque}set maxTorque(o){this._maxTorque=o,this._joint&&this._joint.SetMaxTorque(o)}get correctionFactor(){return this._correctionFactor}set correctionFactor(o){this._correctionFactor=o,this._joint&&this._joint.SetCorrectionFactor(o)}}t.ClassUtils.regClass("laya.physics.joint.MotorJoint",S),t.ClassUtils.regClass("Laya.MotorJoint",S);class P extends u{constructor(){super(...arguments),this._maxForce=1e4,this._frequency=5,this._damping=.7}_onEnable(){this.owner.on(t.Event.MOUSE_DOWN,this,this.onMouseDown)}_onAwake(){}onMouseDown(){this._createJoint(),t.Laya.stage.on(t.Event.MOUSE_MOVE,this,this.onMouseMove),t.Laya.stage.once(t.Event.MOUSE_UP,this,this.onStageMouseUp)}_createJoint(){if(!this._joint){if(this.selfBody=this.selfBody||this.owner.getComponent(i),!this.selfBody)throw"selfBody can not be empty";var o=window.box2d,e=P._temp||(P._temp=new o.b2MouseJointDef);if(this.anchor)var r=this.selfBody.owner.localToGlobal(t.Point.TEMP.setTo(this.anchor[0],this.anchor[1]),!1,p.I.worldRoot);else r=p.I.worldRoot.globalToLocal(t.Point.TEMP.setTo(t.Laya.stage.mouseX,t.Laya.stage.mouseY));var n=new o.b2Vec2(r.x/p.PIXEL_RATIO,r.y/p.PIXEL_RATIO);e.bodyA=p.I._emptyBody,e.bodyB=this.selfBody.getBody(),e.target=n,e.frequencyHz=this._frequency,e.damping=this._damping,e.maxForce=this._maxForce,this._joint=p.I._createJoint(e)}}onStageMouseUp(){t.Laya.stage.off(t.Event.MOUSE_MOVE,this,this.onMouseMove),super._onDisable()}onMouseMove(){this._joint.SetTarget(new window.box2d.b2Vec2(p.I.worldRoot.mouseX/p.PIXEL_RATIO,p.I.worldRoot.mouseY/p.PIXEL_RATIO))}_onDisable(){this.owner.off(t.Event.MOUSE_DOWN,this,this.onMouseDown),super._onDisable()}get maxForce(){return this._maxForce}set maxForce(o){this._maxForce=o,this._joint&&this._joint.SetMaxForce(o)}get frequency(){return this._frequency}set frequency(o){this._frequency=o,this._joint&&this._joint.SetFrequency(o)}get damping(){return this._damping}set damping(o){this._damping=o,this._joint&&this._joint.SetDampingRatio(o)}}t.ClassUtils.regClass("laya.physics.joint.MouseJoint",P),t.ClassUtils.regClass("Laya.MouseJoint",P);class C extends u{constructor(){super(...arguments),this.anchor=[0,0],this.axis=[1,0],this.collideConnected=!1,this._enableMotor=!1,this._motorSpeed=0,this._maxMotorForce=1e4,this._enableLimit=!1,this._lowerTranslation=0,this._upperTranslation=0}_createJoint(){if(!this._joint){if(this.selfBody=this.selfBody||this.owner.getComponent(i),!this.selfBody)throw"selfBody can not be empty";var o=window.box2d,e=C._temp||(C._temp=new o.b2PrismaticJointDef),r=this.selfBody.owner.localToGlobal(t.Point.TEMP.setTo(this.anchor[0],this.anchor[1]),!1,p.I.worldRoot),n=new o.b2Vec2(r.x/p.PIXEL_RATIO,r.y/p.PIXEL_RATIO);e.Initialize(this.otherBody?this.otherBody.getBody():p.I._emptyBody,this.selfBody.getBody(),n,new o.b2Vec2(this.axis[0],this.axis[1])),e.enableMotor=this._enableMotor,e.motorSpeed=this._motorSpeed,e.maxMotorForce=this._maxMotorForce,e.enableLimit=this._enableLimit,e.lowerTranslation=this._lowerTranslation/p.PIXEL_RATIO,e.upperTranslation=this._upperTranslation/p.PIXEL_RATIO,e.collideConnected=this.collideConnected,this._joint=p.I._createJoint(e)}}get enableMotor(){return this._enableMotor}set enableMotor(o){this._enableMotor=o,this._joint&&this._joint.EnableMotor(o)}get motorSpeed(){return this._motorSpeed}set motorSpeed(o){this._motorSpeed=o,this._joint&&this._joint.SetMotorSpeed(o)}get maxMotorForce(){return this._maxMotorForce}set maxMotorForce(o){this._maxMotorForce=o,this._joint&&this._joint.SetMaxMotorForce(o)}get enableLimit(){return this._enableLimit}set enableLimit(o){this._enableLimit=o,this._joint&&this._joint.EnableLimit(o)}get lowerTranslation(){return this._lowerTranslation}set lowerTranslation(o){this._lowerTranslation=o,this._joint&&this._joint.SetLimits(o,this._upperTranslation)}get upperTranslation(){return this._upperTranslation}set upperTranslation(o){this._upperTranslation=o,this._joint&&this._joint.SetLimits(this._lowerTranslation,o)}}t.ClassUtils.regClass("laya.physics.joint.PrismaticJoint",C),t.ClassUtils.regClass("Laya.PrismaticJoint",C);class A extends u{constructor(){super(...arguments),this.selfAnchor=[0,0],this.otherAnchor=[0,0],this.selfGroundPoint=[0,0],this.otherGroundPoint=[0,0],this.ratio=1.5,this.collideConnected=!1}_createJoint(){if(!this._joint){if(!this.otherBody)throw"otherBody can not be empty";if(this.selfBody=this.selfBody||this.owner.getComponent(i),!this.selfBody)throw"selfBody can not be empty";var o=window.box2d,e=A._temp||(A._temp=new o.b2PulleyJointDef),r=this.otherBody.owner.localToGlobal(t.Point.TEMP.setTo(this.otherAnchor[0],this.otherAnchor[1]),!1,p.I.worldRoot),n=new o.b2Vec2(r.x/p.PIXEL_RATIO,r.y/p.PIXEL_RATIO),s=this.selfBody.owner.localToGlobal(t.Point.TEMP.setTo(this.selfAnchor[0],this.selfAnchor[1]),!1,p.I.worldRoot),l=new o.b2Vec2(s.x/p.PIXEL_RATIO,s.y/p.PIXEL_RATIO),x=this.otherBody.owner.localToGlobal(t.Point.TEMP.setTo(this.otherGroundPoint[0],this.otherGroundPoint[1]),!1,p.I.worldRoot),y=new o.b2Vec2(x.x/p.PIXEL_RATIO,x.y/p.PIXEL_RATIO),_=this.selfBody.owner.localToGlobal(t.Point.TEMP.setTo(this.selfGroundPoint[0],this.selfGroundPoint[1]),!1,p.I.worldRoot),m=new o.b2Vec2(_.x/p.PIXEL_RATIO,_.y/p.PIXEL_RATIO);e.Initialize(this.otherBody.getBody(),this.selfBody.getBody(),y,m,n,l,this.ratio),e.collideConnected=this.collideConnected,this._joint=p.I._createJoint(e)}}}t.ClassUtils.regClass("laya.physics.joint.PulleyJoint",A),t.ClassUtils.regClass("Laya.PulleyJoint",A);class B extends u{constructor(){super(...arguments),this.anchor=[0,0],this.collideConnected=!1,this._enableMotor=!1,this._motorSpeed=0,this._maxMotorTorque=1e4,this._enableLimit=!1,this._lowerAngle=0,this._upperAngle=0}_createJoint(){if(!this._joint){if(this.selfBody=this.selfBody||this.owner.getComponent(i),!this.selfBody)throw"selfBody can not be empty";var o=window.box2d,e=B._temp||(B._temp=new o.b2RevoluteJointDef),r=this.selfBody.owner.localToGlobal(t.Point.TEMP.setTo(this.anchor[0],this.anchor[1]),!1,p.I.worldRoot),n=new o.b2Vec2(r.x/p.PIXEL_RATIO,r.y/p.PIXEL_RATIO);e.Initialize(this.otherBody?this.otherBody.getBody():p.I._emptyBody,this.selfBody.getBody(),n),e.enableMotor=this._enableMotor,e.motorSpeed=this._motorSpeed,e.maxMotorTorque=this._maxMotorTorque,e.enableLimit=this._enableLimit,e.lowerAngle=this._lowerAngle,e.upperAngle=this._upperAngle,e.collideConnected=this.collideConnected,this._joint=p.I._createJoint(e)}}get enableMotor(){return this._enableMotor}set enableMotor(o){this._enableMotor=o,this._joint&&this._joint.EnableMotor(o)}get motorSpeed(){return this._motorSpeed}set motorSpeed(o){this._motorSpeed=o,this._joint&&this._joint.SetMotorSpeed(o)}get maxMotorTorque(){return this._maxMotorTorque}set maxMotorTorque(o){this._maxMotorTorque=o,this._joint&&this._joint.SetMaxMotorTorque(o)}get enableLimit(){return this._enableLimit}set enableLimit(o){this._enableLimit=o,this._joint&&this._joint.EnableLimit(o)}get lowerAngle(){return this._lowerAngle}set lowerAngle(o){this._lowerAngle=o,this._joint&&this._joint.SetLimits(o,this._upperAngle)}get upperAngle(){return this._upperAngle}set upperAngle(o){this._upperAngle=o,this._joint&&this._joint.SetLimits(this._lowerAngle,o)}}t.ClassUtils.regClass("laya.physics.joint.RevoluteJoint",B),t.ClassUtils.regClass("Laya.RevoluteJoint",B);class v extends u{constructor(){super(...arguments),this.selfAnchor=[0,0],this.otherAnchor=[0,0],this.collideConnected=!1,this._maxLength=1}_createJoint(){if(!this._joint){if(this.selfBody=this.selfBody||this.owner.getComponent(i),!this.selfBody)throw"selfBody can not be empty";var o=window.box2d,t=v._temp||(v._temp=new o.b2RopeJointDef);t.bodyA=this.otherBody?this.otherBody.getBody():p.I._emptyBody,t.bodyB=this.selfBody.getBody(),t.localAnchorA.Set(this.otherAnchor[0]/p.PIXEL_RATIO,this.otherAnchor[1]/p.PIXEL_RATIO),t.localAnchorB.Set(this.selfAnchor[0]/p.PIXEL_RATIO,this.selfAnchor[1]/p.PIXEL_RATIO),t.maxLength=this._maxLength/p.PIXEL_RATIO,t.collideConnected=this.collideConnected,this._joint=p.I._createJoint(t)}}get maxLength(){return this._maxLength}set maxLength(o){this._maxLength=o,this._joint&&this._joint.SetMaxLength(o/p.PIXEL_RATIO)}}t.ClassUtils.regClass("laya.physics.joint.RopeJoint",v),t.ClassUtils.regClass("Laya.RopeJoint",v);class V extends u{constructor(){super(...arguments),this.anchor=[0,0],this.collideConnected=!1,this._frequency=5,this._damping=.7}_createJoint(){if(!this._joint){if(!this.otherBody)throw"otherBody can not be empty";if(this.selfBody=this.selfBody||this.owner.getComponent(i),!this.selfBody)throw"selfBody can not be empty";var o=window.box2d,e=V._temp||(V._temp=new o.b2WeldJointDef),r=this.selfBody.owner.localToGlobal(t.Point.TEMP.setTo(this.anchor[0],this.anchor[1]),!1,p.I.worldRoot),n=new o.b2Vec2(r.x/p.PIXEL_RATIO,r.y/p.PIXEL_RATIO);e.Initialize(this.otherBody.getBody(),this.selfBody.getBody(),n),e.frequencyHz=this._frequency,e.dampingRatio=this._damping,e.collideConnected=this.collideConnected,this._joint=p.I._createJoint(e)}}get frequency(){return this._frequency}set frequency(o){this._frequency=o,this._joint&&this._joint.SetFrequency(o)}get damping(){return this._damping}set damping(o){this._damping=o,this._joint&&this._joint.SetDampingRatio(o)}}t.ClassUtils.regClass("laya.physics.joint.WeldJoint",V),t.ClassUtils.regClass("Laya.WeldJoint",V);class J extends u{constructor(){super(...arguments),this.anchor=[0,0],this.collideConnected=!1,this.axis=[1,0],this._frequency=5,this._damping=.7,this._enableMotor=!1,this._motorSpeed=0,this._maxMotorTorque=1e4}_createJoint(){if(!this._joint){if(!this.otherBody)throw"otherBody can not be empty";if(this.selfBody=this.selfBody||this.owner.getComponent(i),!this.selfBody)throw"selfBody can not be empty";var o=window.box2d,e=J._temp||(J._temp=new o.b2WheelJointDef),r=this.selfBody.owner.localToGlobal(t.Point.TEMP.setTo(this.anchor[0],this.anchor[1]),!1,p.I.worldRoot),n=new o.b2Vec2(r.x/p.PIXEL_RATIO,r.y/p.PIXEL_RATIO);e.Initialize(this.otherBody.getBody(),this.selfBody.getBody(),n,new o.b2Vec2(this.axis[0],this.axis[1])),e.enableMotor=this._enableMotor,e.motorSpeed=this._motorSpeed,e.maxMotorTorque=this._maxMotorTorque,e.frequencyHz=this._frequency,e.dampingRatio=this._damping,e.collideConnected=this.collideConnected,this._joint=p.I._createJoint(e)}}get frequency(){return this._frequency}set frequency(o){this._frequency=o,this._joint&&this._joint.SetSpringFrequencyHz(o)}get damping(){return this._damping}set damping(o){this._damping=o,this._joint&&this._joint.SetSpringDampingRatio(o)}get enableMotor(){return this._enableMotor}set enableMotor(o){this._enableMotor=o,this._joint&&this._joint.EnableMotor(o)}get motorSpeed(){return this._motorSpeed}set motorSpeed(o){this._motorSpeed=o,this._joint&&this._joint.SetMotorSpeed(o)}get maxMotorTorque(){return this._maxMotorTorque}set maxMotorTorque(o){this._maxMotorTorque=o,this._joint&&this._joint.SetMaxMotorTorque(o)}}t.ClassUtils.regClass("laya.physics.joint.WheelJoint",J),t.ClassUtils.regClass("Laya.WheelJoint",J),o.BoxCollider=l,o.ChainCollider=x,o.CircleCollider=y,o.ColliderBase=r,o.DestructionListener=n,o.DistanceJoint=h,o.GearJoint=g,o.IPhysics=e,o.JointBase=u,o.MotorJoint=S,o.MouseJoint=P,o.Physics=p,o.PhysicsDebugDraw=_,o.PolygonCollider=m,o.PrismaticJoint=C,o.PulleyJoint=A,o.RevoluteJoint=B,o.RigidBody=i,o.RopeJoint=v,o.WeldJoint=V,o.WheelJoint=J}(window.Laya=window.Laya||{},Laya);