Bird 코드using System.Collections;using System.Collections.Generic;using UnityEngine;public class Bird : MonoBehaviour{ public float upForce = 200f; // 상향 힘 private bool isDead = false; // 새의 생존 여부 private Rigidbody2D rb2d; // Rigidbody2D 컴포넌트 void Start() { rb2d = GetComponent(); } void Update() { if (isDead == false && Input.GetMouseButt.....