unity-raycasting-bulletholes.cs

Vector2 screenCenterPoint = new Vector2(Screen.width/2, Screen.height/2);
 
_ray = Camera.main.ScreenPointToRay(screenCenterPoint);
 
if(Physics.Raycast(_ray, out _hit, Camera.main.farClipPlane) && _bulletHole != null)
{
    Vector3 bulletHolePosition = _hit.point + _hit.normal * 0.01f;
 
    Quaternion bulletHoleRotation = Quaternion.FromToRotation(-Vector3.forward, _hit.normal);
 
    GameObject hole = GameObject.Instantiate(_bulletHole, bulletHolePosition, bulletHoleRotation);
    hole.transform.SetParent(_hit.transform);
}