/// <summary>
/// 设置子弹位置
/// <para>bullet</para>
/// <para>posX</para>
/// <para>posY</para>
/// </summary>
/// <param name="luaState"></param>
/// <returns></returns>
public static int SetBulletPos(ILuaState luaState)
{
EnemyBulletBase bullet = luaState.ToUserData(-3) as EnemyBulletBase;
float posX = (float)luaState.ToNumber(-2);
float posY = (float)luaState.ToNumber(-1);
luaState.Pop(3);
bullet.SetPosition(posX, posY);
return(0);
}