// Learn TypeScript:
//  - https://docs.cocos.com/creator/manual/en/scripting/typescript.html
// Learn Attribute:
//  - https://docs.cocos.com/creator/manual/en/scripting/reference/attributes.html
// Learn life-cycle callbacks:
//  - https://docs.cocos.com/creator/manual/en/scripting/life-cycle-callbacks.html
 
const {ccclass, property} = cc._decorator;
 
@ccclass
export default class NewClass extends cc.Component {
 
 
    //圖片編號變數
    num = 0;
 
    //圖片陣列變數
    sprfrms:cc.SpriteFrame[] = [];
 
    onLoad () {
        //動態加載assets到sprfrms陣列
        let self = this;
        cc.resources.loadDir("bird", cc.SpriteFrame, function(err, assets:[cc.SpriteFrame]){
            self.sprfrms = assets;
        });
 
        //啟動計時器
        self.schedule(self.timer, 0.2);
 
        //鍵盤上下左右移動bird
        cc.systemEvent.on("keydown", self.move, self);
    }
 
    timer()
    {
        //圖片編號+1
        this.num += 1;
        if(this.num >= 18)this.num = 0;
 
        //抓取節點的組件sprite
        var comp1 = this.getComponent(cc.Sprite);
        comp1.spriteFrame = this.sprfrms[this.num];
    }
 
    move (e:cc.Event.EventKeyboard) {
        cc.log(e.keyCode);
        cc.log(cc.macro.KEY.left);
        if(e.keyCode == cc.macro.KEY.right)
            this.node.x += 20;
        else if(e.keyCode == cc.macro.KEY.left)
            this.node.x -= 20;
        else if(e.keyCode == cc.macro.KEY.up)
            this.node.y += 20;    
        else if(e.keyCode == cc.macro.KEY.down)
            this.node.y -= 20;  
    }
 
    // update (dt) {}
}