carrot/assets/Script/Game/Bullet.ts

import { _decorator, AnimationClip, Component, Node, Sprite, SpriteFrame, Vec3 } from 'cc';
import { Tools } from './Tools/Tools';
const { ccclass, property } = _decorator;

@ccclass('Bullet')
export class Bullet extends Component {
    start() {

    }

    init(pos: Vec3, angle: number, frames: SpriteFrame[]) {
        this.node.setPosition(pos);
        this.node.angle = angle;
        if(frames.length === 1){
            this.getComponent(Sprite).spriteFrame = frames[0];
            return;
        }
        
        const ani = Tools.createAnimation(frames, 25, this.node, AnimationClip.WrapMode.Loop);
        ani.play();

    }
    update(deltaTime: number) {
        this.node.translate(new Vec3(0, 5));
    }
}