const GameNotificationKey = require('../utils/GameEnum').GameNotificationKey; cc.Class({ extends: cc.Component, properties: { coinPrefab: cc.Prefab, }, // LIFE-CYCLE CALLBACKS: onLoad() { this.coinPool = new cc.NodePool(); for (let i = 0; i < 5; i++) { let coin = cc.instantiate(this.coinPrefab); this.coinPool.put(coin); } GameEvent.on(GameNotificationKey.PlayUpdateCoinAnimation, this, (position) => { let canvas = cc.find('Canvas'); let canvasPosition = canvas.convertToNodeSpaceAR(position); if (this.coinPool.size() > 0) { let coinNode = this.coinPool.get(); canvas.addChild(coinNode); coinNode.position = canvasPosition; coinNode.zIndex = 10; coinNode.getComponent('SpendCoinCtrl').show(() => { this.coinPool.put(coinNode); canvas.removeChild(coinNode); }); } }); }, onDestroy() { GameEvent.off(GameNotificationKey.PlayUpdateCoinAnimation, this); }, start() { }, // update (dt) {}, });