Pong 2 players : control paddles by touch screen for PC [.js]

Hi everybody,

Actually, I develop a 2 players Pong for touch screen PC (which have multitouch / window 8) and I work in Javascript. Players are face to face and deplace theirs paddles on y axis.

My problem is : how control those 2 paddles separately by touch input ?

I successfully control Player1 paddle by using mouse + Raycast but I don't know to do for Player 2 (left click "doesn't work" with touch screen).

there is the code used for Player 1

 private var ray : Ray;
 private var rayCastHit : RaycastHit;
  
 //------------------------------------
 function Update () 
 {
     if(Input.GetMouseButton(0))
     {
         ray = Camera.main.ScreenPointToRay (Input.mousePosition);
  
         if (Physics.Raycast (ray, rayCastHit))
         {
             transform.position.y = rayCastHit.point.y;
         }
     }
 }

I have checked many forums and I find one script which use layer + raycast + touch count but that doesn't work...

     function Update ()
     {
         if(Input.touchCount > 0)
         {
             var TheTouch : Touch = Input.GetTouch (0);
             var ray = Camera.main.ScreenPointToRay (TheTouch.position);
             var hit : RaycastHit;
            
             if (Physics.Raycast (ray,hit,100))
             {
                 if (hit.transform.gameObject.layer == LayerMask.NameToLayer("Paddle01"))
                 {
                 }
               
                else if (hit.transform.gameObject.layer == LayerMask.NameToLayer("Paddle02"))
                {
                }
           }
        }
     }    

Thanks for answer or any advice !