import EventMgr from "./EventMgr";
import { GameEvent } from "./GameEvent";

const {ccclass, property} = cc._decorator;

@ccclass
export default class GameCam extends cc.Component {

 
    private camera:cc.Node;
    protected onLoad(): void {
        this.camera = this.node;
    }

    protected start(): void {
        EventMgr.Instance.add_event_listenner(GameEvent.CamShake,this,this.OnCamShake);
    }
    OnCamShake(CamShake: GameEvent, shakeTime: number, OnCamShake: any) {
        this.Shake(shakeTime);
    }
    private Shake(time:number = 0){

        this.StopShake();
        let min = -3;
        let max = 3;
        let me  =this;
        let initPos = this.camera.position;
        let callBack = function(){
            let randomX =Util.random(min,max);
            let randomY = Util.random(min,max);
            me.camera.x =initPos.x+ randomX;
            me.camera.y =initPos.y+ randomY;
        }
        let del = cc.delayTime(1/30);
        let cal = cc.callFunc(callBack);
        let seq = cc.sequence(del, cal);
        this.camera.runAction(cc.repeatForever(seq));

        if (time>0) {

            setTimeout(() => {
                me.camera.stopAllActions();
            }, time);
            // Ticker.registerDelay(() => {
            // }, time);
        }
    }

    
    public StopShake(){
        this.camera.stopAllActions();
        
        this.camera.x =0;
        this.camera.y =0;
    }

}