// Learn cc.Class:
//  - [Chinese] https://docs.cocos.com/creator/manual/zh/scripting/class.html
//  - [English] http://docs.cocos2d-x.org/creator/manual/en/scripting/class.html
// Learn Attribute:
//  - [Chinese] https://docs.cocos.com/creator/manual/zh/scripting/reference/attributes.html
//  - [English] http://docs.cocos2d-x.org/creator/manual/en/scripting/reference/attributes.html
// Learn life-cycle callbacks:
//  - [Chinese] https://docs.cocos.com/creator/manual/zh/scripting/life-cycle-callbacks.html
//  - [English] https://www.cocos2d-x.org/docs/creator/manual/en/scripting/life-cycle-callbacks.html

cc.Class({
    extends: cc.Component,

    properties: {
        // bar: {
        //     get () {
        //         return this._bar;
        //     },
        //     set (value) {
        //         this._bar = value;
        //     }
        // },
    },

    // LIFE-CYCLE CALLBACKS:

    // onLoad () {},

    start () {
        
    },
    setdata(url,cbb){
        this.sprite = this.node.getComponent(cc.Sprite)
        this.time = 0
        this.picidx = 0
        this.changetime = 0.05
        this.canup = false
        var self = this
        cc.loader.load(url +'?aaa=aa.jpg', function (err, texture) {
            if (!err&&self.isValid) {
                
                var res = new cc.SpriteFrame(texture);
                if(self.sprite){
                    self.sprite.spriteFrame = res;
                    if(texture.height == 450 && texture.width == 450){
                        var tex = res.getTexture()
                        self.spsizew = tex.width/3
                        self.spsizeh = tex.height/3
                        tex.setFilters(cc.Texture2D.Filter.NEAREST, cc.Texture2D.Filter.NEAREST);
                        self.updatepic()
                        self.canup = true
                    }
                    
                }
            }
            if(cbb){
                cbb();
            }
        });
    },
    updatepic(){
        var dx = Math.floor(this.picidx%3)
        var dy = Math.floor(this.picidx/3)
        this.sprite.spriteFrame._rect.width = this.spsizew
        this.sprite.spriteFrame._rect.height = this.spsizeh
        this.sprite.spriteFrame._rect.x = dx*this.spsizew
        this.sprite.spriteFrame._rect.y = dy*this.spsizeh
        this.sprite.spriteFrame._calculateUV();
        this.picidx++
        this.picidx%=9
    },
    update (dt) {
        if(this.canup){
            this.time+=dt 
            if(this.time>this.changetime){
                this.time = 0
                this.updatepic()
            }
        }
    },
});