c# - 子弹不动。统一
问题描述
我正在开发一款 2D、topdown、roguelike 游戏,但是当我尝试制作射击系统时遇到了困难。当我运行它并按箭头键时,子弹会产生并指向正确的方向。它只是不动。这是我的代码,我希望有人能弄清楚。顺便说一句,一切都是相连的。播放器和子弹预制件。
using System.Collections;
using System.Linq;
using UnityEngine;
namespace Assets.Scripts
{
[RequireComponent(typeof(Player))]
public class PlayerShootController : ShootControllerBase
{
[SerializeField]
private int _numberOfBombs;
public int NumberofBombs
{
get { return _numberOfBombs; }
set { _numberOfBombs = value; }
}
[SerializeField]
private PlayerHeadController _headObject;
public PlayerHeadController HeadObject
{
get { return _headObject; }
set { _headObject = value; }
}
[SerializeField]
private Bomb _bombPrefab;
public Bomb BombPrefab
{
get { return _bombPrefab; }
set { _bombPrefab = value; }
}
public bool IsShooting { get; private set; }
private KeyCode _shootKey;
private Vector2 _shootDirection;
private Player _player;
public override void Start()
{
base.Start();
_player = GetComponent<Player>();
}
public override void Update()
{
base.Update();
if (IsShooting)
{
SetHeadDirection(_shootKey);
return;
}
if (InputHelpers.IsAnyKey(KeyCode.UpArrow, KeyCode.DownArrow, KeyCode.LeftArrow, KeyCode.RightArrow))
{
if (Input.GetKey(KeyCode.UpArrow))
{
_shootDirection = new Vector2(0, BulletSpeed);
_shootKey = KeyCode.UpArrow;
}
else if (Input.GetKey(KeyCode.DownArrow))
{
_shootDirection = new Vector2(0, -BulletSpeed);
_shootKey = KeyCode.DownArrow;
}
else if (Input.GetKey(KeyCode.LeftArrow))
{
_shootDirection = new Vector2(-BulletSpeed, 0);
_shootKey = KeyCode.LeftArrow;
}
else if (Input.GetKey(KeyCode.RightArrow))
{
_shootDirection = new Vector2(BulletSpeed, 0);
_shootKey = KeyCode.RightArrow;
}
StartCoroutine(Shoot());
}
if (NumberofBombs > 0 && InputHelpers.IsAnyKeyDown(KeyCode.LeftShift, KeyCode.RightShift, KeyCode.E))
{
var bomb = (Bomb) Instantiate(BombPrefab);
bomb.transform.position = transform.position;
NumberofBombs--;
}
}
IEnumerator Shoot()
{
IsShooting = true;
while (Input.GetKey(_shootKey))
{
var bullet = (Rigidbody2D)Instantiate(BulletPrefab);
bullet.GetComponent<BulletScript>().Shooter = transform.gameObject;
bullet.transform.position = transform.position;
if (_shootDirection.y > 0)
{
bullet.transform.Rotate(0, 0, -90);
}
else if (_shootDirection.y < 0)
{
bullet.transform.Rotate(0, 0, 90);
}
else if (_shootDirection.x > 0)
{
TransformHelpers.FlipX(bullet.gameObject);
}
bullet.AddForce(_shootDirection);
bullet.AddForce(_player.GetComponent<Rigidbody2D>().GetPointVelocity(_player.transform.position) * 0.02f);
if (ShootClips.Any())
{
var clipToPlay = ShootClips[Random.Range(0, ShootClips.Count)];
clipToPlay.pitch = Random.Range(MinShootPitch, MaxShootPitch);
clipToPlay.Play();
}
yield return new WaitForSeconds(ShootingSpeed);
}
IsShooting = false;
//Reset head flipping
if (_headObject.transform.localScale.x < 0)
{
TransformHelpers.FlipX(_headObject.gameObject);
}
}
private void SetHeadDirection(KeyCode shootKey)
{
switch (shootKey)
{
case KeyCode.UpArrow:
_headObject.SetHeadDirection(PlayerHeadController.HeadDirection.Up);
break;
case KeyCode.DownArrow:
_headObject.SetHeadDirection(PlayerHeadController.HeadDirection.Down);
break;
case KeyCode.LeftArrow:
_headObject.SetHeadDirection(PlayerHeadController.HeadDirection.Left);
break;
case KeyCode.RightArrow:
_headObject.SetHeadDirection(PlayerHeadController.HeadDirection.Right);
break;
}
}
}
}
解决方案
尝试这个:
bullet.AddForce(_shootDirection*moveSpeed*Time.deltaTime);
而不是这个:
bullet.AddForce(_shootDirection);
bullet.AddForce(_player.GetComponent<Rigidbody2D>().GetPointVelocity(_player.transform.position) * 0.02f);
调整速度以获得所需的结果,如果您希望子弹跟随玩家,则需要每隔一定时间使用 couroutine 更新射击方向
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