tanqiu/assets/scripts/CombatSystem/CoinDrop.ts

import { _decorator, Component, Vec3, tween, find, Label } from 'cc';
import { LevelSessionManager } from '../Core/LevelSessionManager';
const { ccclass } = _decorator;

@ccclass('CoinDrop')
export class CoinDrop extends Component {
  private targetWorldPos: Vec3 = new Vec3();

  onEnable() {
    // 找到 UI 里金币图标的世界坐标
    const icon = find('Canvas/GameLevelUI/CoinNode/CoinDrop');
    if (!icon) { this.node.destroy(); return; }
    icon.getWorldPosition(this.targetWorldPos);

    // 初始弹跳向上 80px（0.3s）→ 落下 40px（0.2s）→ 飞向目标 (0.4s)
    const start = this.node.worldPosition.clone();
    const bounceUp = start.clone(); bounceUp.y += 80;
    const settle  = bounceUp.clone(); settle.y -= 40;

    tween(this.node)
      .to(0.3, { worldPosition: bounceUp }, { easing: 'quadOut' })
      .to(0.2, { worldPosition: settle  }, { easing: 'quadIn'  })
      .to(0.4, { worldPosition: this.targetWorldPos }, { easing: 'quadIn' })
      .call(() => {
         // 飞到图标后 +1 并销毁
         const lblNode = find('Canvas/GameLevelUI/CoinNode/CoinLabel');
         const lbl = lblNode?.getComponent(Label);
         if (lbl) {
           lbl.string = (parseInt(lbl.string) + 1).toString();
         }
         LevelSessionManager.inst.addCoins(1);   // 记账（局内金币）
         this.node.destroy();
      })
      .start();
  }
}