I Need Help With Mobile Touch Movement.

Hello Im Trying To Do a Game Where Player runs Away From Enemies On XY World My Problem Is That I Must Swipe Many Times To Move Player And i Want To Hold My Finger To Move

---------Script---------

 #pragma strict
 
 public var speed = 0.1F;
 
 function Update() {
 
     if (Input.touchCount > 0 && Input.GetTouch(0).phase == TouchPhase.Moved) {
 
         // Get movement of the finger since last frame
         var touchDeltaPosition = Input.GetTouch(0).deltaPosition;
         // Move object across XY plane
         transform.Translate(touchDeltaPosition.x * speed, touchDeltaPosition.y *speed,0);
     }
 }