void Update()
{
if (Input.GetKeyDown(KeyCode.UpArrow))
{
inputReceiver?.OnUserInput("up");
}
if (Input.GetKeyDown(KeyCode.DownArrow))
{
inputReceiver?.OnUserInput("down");
}
if (Input.GetKeyDown(KeyCode.LeftArrow))
{
inputReceiver?.OnUserInput("left");
}
if (Input.GetKeyDown(KeyCode.RightArrow))
{
inputReceiver?.OnUserInput("right");
}
//finish space
if (Input.GetKeyDown(KeyCode.Space))
{
inputReceiver?.OnUserFinish();
}
}