void Start()
 {
     foreach (ExplodingFruit explodingFruit in FindObjectsOfType(typeof(ExplodingFruit)))
     {
         DemoFruit demoFruit = explodingFruit.gameObject.AddComponent <DemoFruit>();
         demoFruits.Add(demoFruit);
         demoFruit.gameObject.layer = 9;
     }
 }
    void Update()
    {
        if (Input.GetMouseButton(0))
        {
            DemoFruit fruitUnderCursor = CheckForFruitUnderCursor();

            if (fruitUnderCursor != null)
            {
                fruitUnderCursor.Tremble();
            }
        }
        else if (Input.GetMouseButtonUp(0))
        {
            DemoFruit fruitUnderCursor = CheckForFruitUnderCursor();
            if (fruitUnderCursor != null)
            {
                fruitUnderCursor.Deactivate();
            }
        }
    }