taptapstar/assets/scripts/store/StoreDiamondItem.js

const DWTool = require("../utils/DWTool");

cc.Class({
    extends: cc.Component,

    properties: {
        itemSprite: cc.Sprite,
        selectedSprite: cc.Sprite,
    },

    // LIFE-CYCLE CALLBACKS:

    onLoad () {
        GameEvent.on('StoreDiamondSelect', this, (index) => {
            this.selectedSprite.node.active = this._index == index;
        });
        
    },

    init(index) {
        this._index = index;

        this.node.on(cc.Node.EventType.TOUCH_END, _.debounce(() => {
            GameEvent.fire('StoreDiamondSelect', this._index);
        }, 500, true), this);

        let imageIndex = index + 1;
        DWTool.loadResSpriteFrame(`./textures/store/store_diamond_${imageIndex}`)
            .then((spriteFrame) => {
            this.itemSprite.spriteFrame = spriteFrame;
        });
    },

    start () {

    },

    onDestroy() {
        GameEvent.off('StoreDiamondSelect', this);
    }

    // update (dt) {},
});