allstar/assets/scripts/friendlist/WechatFriend.js

var wechat = require('../net/WeChat');
cc.Class({
    extends: cc.Component,

    properties: {
        updateInterval: 0.2,
        updateTimer: 0,
    },

    // onLoad () {},

    start() {
        if (window.wx != undefined) {
            this.tex = new cc.Texture2D();

        }
    },

    onEnable() {
        if (window.wx != undefined) {
            window.wx.postMessage({
                messageType: 1,
                key1: Global.wechatScoreKey,
            });
        }
    },

    update(dt) {
        if (!this.tex) {
            return;
        }
        // this._updateSubDomainCanvas(dt);
        this.updateTimer += dt;
        if (this.updateTimer < this.updateInterval) return; // we don't need to do the math every frame
        this.updateTimer = 0;
        var openDataContext = wx.getOpenDataContext();
        var sharedCanvas = openDataContext.canvas;
        sharedCanvas.innerWidth = 720;
        sharedCanvas.innerHeight = 900;
        this.tex.initWithElement(sharedCanvas);
        this.tex.handleLoadedTexture();
        this.node.getComponent(cc.Sprite).spriteFrame = new cc.SpriteFrame(this.tex);
    },

    inviteFriend() {
        cc.loader.loadRes('/prefabs/share_dialog', cc.Prefab, (error, prefab) => {
            if (error === null) {
                let shareDialog = cc.instantiate(prefab);
                this.node.addChild(shareDialog);
            } else {
                console.log(JSON.stringify(error));
            }
        });
    }
});