using UnityEngine;
using System.Collections;

public class TouchButtonLogic: MonoBehaviour   
{
   void Update () {
    if(Input.touches.Lengch <= 0)
    {
       
    }
   else
    {
     for(int i = 0; i < Input.touchCount; i++)
     {[/spoiler]
      if(thes.guiTexture.HitTest(Input.GetTouch(i).position))
     {
      if(Input.GetTouch(i).phase == TouchPhase.Began)
       {
        Debug.Log("The Touch has Began on" + this.name);
       }
       if(Input.GetTouch(i).phase == TouchPhase.Ended)
       {
        Debug.Log("The Touch has Ended on" + this.name);
       }
      }
     }
    }
   }
}

using UnityEngine;
using System.Collections;

public class Collision : MonoBehaviour {
   
  // Метод вызываемый при столкновении объекта
  void  OnCollisionEnter() {     
       // Уничтожаем объект   
       Destroy(gameObject);
     }
  }