我正在制作一个2D游戏,玩家需要点击来射击。鼠标光标在屏幕上的位置就是弹道移动的方向。我成功让弹道实例化并指向鼠标位置,但是弹道跟随鼠标移动,这不是我想要的。
public class LetterController : MonoBehaviour {
private List<GameObject> letters = new List<GameObject>();
public GameObject letterPrefab;
public float letterVelocity;
// Use this for initialization
private void Start()
{
}
// Update is called once per frame
void Update ()
{
Vector3 direction = Camera.main.ScreenToWorldPoint(Input.mousePosition);
if (Input.GetMouseButtonDown(0))
{
GameObject letter = (GameObject)Instantiate(letterPrefab, transform.position, Quaternion.identity);
letters.Add(letter);
}
for (int i = 0; i < letters.Count; i++)
{
GameObject goLetter = letters[i];
if (goLetter != null)
{
goLetter.transform.Translate(direction * Time.deltaTime * letterVelocity );
Vector3 letterScreenPosition = Camera.main.WorldToScreenPoint(goLetter.transform.position);
if (letterScreenPosition.y >= Screen.height + 10 || letterScreenPosition.y <= -10 || letterScreenPosition.x >= Screen.width + 10 || letterScreenPosition.x <= -10)
{
DestroyObject(goLetter);
letters.Remove(goLetter);
}
}
}
}
}
我观看了几个YouTube视频,并查看了一些Unity论坛,但解决方案要么给了我错误,要么产生了不同的问题,比如只在一个轴上射击或在相反的轴上射击。