private void Update()
{
if (player != null)
{
if (Input.GetKey(KeyCode.D))
{
player.MoveRight();
}
if (Input.GetKey(KeyCode.A))
{
player.MoveLeft();
}
if (Input.GetKey(KeyCode.W) || Input.GetKey(KeyCode.Space))
{
player.Jump();
}
}
}