team2_jj/assets/scripts/levelBonus/ShowRedPrizeAnim.ts

import { _decorator, Component, Node, Animation, EventHandler, Button, Prefab, instantiate, Vec3 } from 'cc';
import { ResourceLoader } from '../core/resourceManager/ResourceLoader';
import { Sound } from '../core/sound/Sound';
import { Firework } from './Firework';
const { ccclass, property } = _decorator;

@ccclass('ShowRedPrizeAnim')
export class ShowRedPrizeAnim extends Component {
    @property({ tooltip: "音效组件", type: Sound }) private sound: Sound;
    @property({ tooltip: "背景", type: Button }) private bg: Button;
    @property({ tooltip: "烟花节点", type: Node }) private fireworkNode: Node;

    start() {
    }

    public animEndBack() {
        this.sound.play(1);
        this.bg.interactable = true;
        this.effect();
    }

    //烟花特效
    private async effect() {
        let r = 180;
        let rRandom = 180;
        let positionArray = [];
        for (let i = 1; i < 15; i++) {
            let rotation = 90 * Math.random();
            let y = Math.sin(rotation * ((2 * Math.PI) / 360)) * r;
            let x = Math.cos(rotation * ((2 * Math.PI) / 360)) * r;
            positionArray.push({ x: x + (Math.random() * rRandom), y: y + (Math.random() * rRandom) });
            positionArray.push({ x: -x - (Math.random() * rRandom), y: y + (Math.random() * rRandom) });
            positionArray.push({ x: x + (Math.random() * rRandom), y: -y - (Math.random() * rRandom) });
            positionArray.push({ x: -x - (Math.random() * rRandom), y: -y - (Math.random() * rRandom) });
        }
        let load = this.getComponent(ResourceLoader);
        for (let i = 0; i < positionArray.length; i++) {
            let prefab = await load.load<Prefab>("prefabs/ui/fireworkEffect", Prefab);
            let firework = instantiate(prefab);
            firework.setPosition(new Vec3(0, 0, 0));
            firework.parent = this.fireworkNode;
            firework.getComponent(Firework).playEffect(positionArray[i]);
        }
    }

}