SmoothDamp touch look iOS Android

Can someone help me to smooth the touchlook movement? Thanks! (I’ve tried for 5h!!!)

#pragma strict

var sensitivityX : float = 5.0;
var sensitivityY : float = 5.0;

var invertX : boolean = false;
var invertY : boolean = false;

function Update () {
	var rect = Rect(427,0,427,480);

	if(Input.touches.Length > 0){
		for (var touch : Touch in Input.touches) {
			if(touch.phase == TouchPhase.Moved  && rect.Contains(touch.position)){
				var delta : Vector2 = touch.deltaPosition; //Input.touches[0].deltaPosition;
				var rotationZ = delta.x * sensitivityX * Time.deltaTime;
				rotationZ = invertX ? rotationZ : rotationZ * -1;
				var rotationX : float  = delta.y * sensitivityY * Time.deltaTime;
				rotationX = invertY ? rotationX : rotationX * -1;
				
				transform.localEulerAngles += new Vector3(rotationX, rotationZ, 0);
			}
		}
	}

}

On your last line when you apply the rotation, you probably want to use Vector3.Lerp or similar.

Edit - infact you mentioned smoothdamp in the title, although I don’t see it in your script.