鼠標經過三維物體時放大並旋轉，離開時停止旋轉，恢復到原來大小

void OnMouseEnter()//放大物體
{
 transform.localScale += new Vector3(0.01f,0.01f,0.01f);
}
void OnMouseOver()//旋轉物體
{
 transform.Rotate (0,20*Time.deltaTime,0);
}
void OnMouseExit()//縮小還原物體
{
 transform.localScale -= new Vector3(0.01f,0.01f,0.01f);
}