project_ios/assets/Scripts/gcommon/UITips.ts

import { _decorator,Component,Vec3,tween,Label } from "cc";
import { GameMng } from "../GameMng";
import { UIManager } from "./UIManager";

const {ccclass, property} = _decorator;

@ccclass
export default class UITips extends Component  {

    private pos:Vec3=new Vec3();
    private toscale:Vec3=new Vec3();
    private targetworldPos:Vec3=new Vec3();
    private isPlayAnim:boolean=false;
    private startScale:Vec3=new Vec3(1,1,1);
    private onestepScale:Vec3=new Vec3(1,1,1);
    private randPos:Vec3=new Vec3();

    playAnim(){
        this.isPlayAnim=true;
        this.node.setPosition(this.pos);
        this.node.setScale(this.startScale);
        tween(this.node)
            .to(0.6, { scale: new Vec3(this.onestepScale.x,this.onestepScale.y,0) }, { easing: 'smooth' })
            .delay(0.3)
            .hide()
            .call(() => {
                this.isPlayAnim = false;
                this.node.destroy();
            })
            .start();
    
    }
    static show(msg:string,worldpos?:Vec3){
        //return;
        let gnode = UIManager.AddPrefab(GameMng.Instance.uitips)
        
        let uitips = gnode.getComponent(UITips);
        uitips.getComponentInChildren(Label).string = msg;
        if(worldpos)
        uitips.targetworldPos = worldpos.clone();
         uitips.randPos.y=200;
        
        uitips.randPos.add(uitips.targetworldPos);
       

       
       uitips.playAnim();
    }
    update(dt:number){
        if(this.isPlayAnim){   
            // this.pos=this.targetworldPos;
            // this.targetworldPos.lerp(this.randPos, 0.05);
            // this.node.setPosition(this.pos);
            this.targetworldPos.y+=dt*200;
            this.node.setPosition(this.targetworldPos)
        }
    }
}