JumpGame/assets/Script/Pop/Tips.ts

// Learn TypeScript:
//  - https://docs.cocos.com/creator/2.4/manual/en/scripting/typescript.html
// Learn Attribute:
//  - https://docs.cocos.com/creator/2.4/manual/en/scripting/reference/attributes.html
// Learn life-cycle callbacks:
//  - https://docs.cocos.com/creator/2.4/manual/en/scripting/life-cycle-callbacks.html

import EventName from "../EventName/EventName";
import MyComponent from "../Template/MyComponent";

const { ccclass, property } = cc._decorator;

@ccclass
export default class Tips extends MyComponent {

    @property(cc.Label)
    label: cc.Label = null;


    onLoad(): void {
        this.node.opacity = 0
        this.regEvent(EventName.Tips, this.Tips, this)
    }

    Tips(str: string) {
        this.runAnima()
        this.label.string = str
    }

    runAnima() {
        this.node.opacity = 255
        cc.tween(this.node)
            .to(0.5, { opacity: 255 })
            .delay(1)
            .to(0.5, { opacity: 0 })
            .start()
    }
}