public void MoveLeft()
{
wall.ball();
transform.DOMoveY(y2, speed).OnComplete(MoveRight);
bRenderer.material.DOColor(Color.cyan, 3f);
}
public void MoveRight()
{
wall2.ball();
transform.DOMoveY(y1, speed).OnComplete(MoveLeft);
bRenderer.material.DOColor(Color.red, 3f);
}