private void HandleShoot()
{
if (Input.GetButton(shootBtnName))
{
Debug.Log(shootBtnName + "Click!");
GameObject bulletGO = GameObject.Instantiate(bulletPrefab);
bulletGO.transform.position = muzzleTrans.position;
bulletMoveForward = bulletGO.GetComponent<MoveForward>();
mousePos = Input.mousePosition;
muzzlePos = Camera.main.WorldToScreenPoint(muzzleTrans.position);
shootDir = (mousePos - muzzlePos).normalized;
bulletMoveForward.SetMoveDir(shootDir);
}
}