project_ios/assets/Scripts/fill.ts

import { _decorator, Component, Node, Sprite, SpriteFrame } from 'cc';
const { ccclass, property } = _decorator;

@ccclass('fill')
export class fill extends Component {

    public isStart:boolean =false;
    public curTimme:number =0;
    public allTime:number =0;
    @property(SpriteFrame) sf_hong:SpriteFrame =null;
    @property(SpriteFrame) sf_lv:SpriteFrame =null;
    @property(SpriteFrame) sf_huang:SpriteFrame =null;
    start() {

    }

    update(deltaTime: number) {
        if(this.isStart){
            let d =  (this.allTime-this.curTimme)/this.allTime
            this.node.getComponent(Sprite).fillRange = 1-d
            this.curTimme-=deltaTime
            if(this.sf_hong!=null){
                if(this.curTimme<=10){
                    this.node.getComponent(Sprite).spriteFrame = this.sf_hong;
                }else if(this.curTimme>10&&this.curTimme<=20){
                    this.node.getComponent(Sprite).spriteFrame = this.sf_huang;
                }else{
                    this.node.getComponent(Sprite).spriteFrame = this.sf_lv;
                }
            }
            
        }

 
    }


    startAni(_cur:number,_all:number){
        if(this.curTimme!=_cur){
            this.curTimme = _cur;
        }
        if(this.allTime!=_all){
            this.allTime = _all;
        }
        if(this.isStart==true){
            
        }else{
            this.isStart = true;
        }
    }

    stopAni(){
        this.node.getComponent(Sprite).fillRange = 0;
        this.isStart = false;
    }



}