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Dec 10th, 2014

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using UnityEngine;
using System.Collections;
public class GameControls : MonoBehaviour {
public GameObject camera;
Vector3 CurrentPos;
Vector3 NewPos;
public float panSpeed = 5f;
float CurrentZoom= 10;
public float NewZoom;
Vector2 currTouch1;
Vector2 currTouch2;
Vector2 lastTouch1;
Vector2 lastTouch2;
float lastTouchDistance;
float currTouchDistance;
void Start(){
CurrentPos = transform.position;
NewPos = transform.position;
}
void FixedUpdate(){
CurrentPos = Vector3.Lerp (CurrentPos, NewPos, 0.1f);
transform.position = CurrentPos;
CurrentZoom = Mathf.Lerp (CurrentZoom, NewZoom, 0.1f);
camera.transform.localPosition = new Vector3 (0, 0, -CurrentZoom);
}
void Update(){
if (Input.touchCount == 1) {
if (Input.GetTouch (0).phase.Equals (TouchPhase.Moved)) {
NewPos += new Vector3 (
-Input.GetTouch(0).deltaPosition.x/Screen.width*panSpeed,
0,
-Input.GetTouch(0).deltaPosition.y/Screen.height*panSpeed
);
Debug.Log(Input.GetTouch(0).deltaPosition.x/Screen.width);
}
}
if (Input.touchCount == 2){
currTouch1 = Input.GetTouch(0).position;
lastTouch1 = currTouch1 - Input.GetTouch(0).deltaPosition;
currTouch2 = Input.GetTouch(1).position;
lastTouch2 = currTouch2 - Input.GetTouch(1).deltaPosition;
currTouchDistance = Vector2.Distance(currTouch1, currTouch2);
lastTouchDistance = Vector2.Distance(lastTouch1, lastTouch2);
float zoomFactor = (lastTouchDistance - currTouchDistance)*CurrentZoom/2*0.01f;
NewZoom += zoomFactor;
if(NewZoom < 1){NewZoom = 1;}
if(NewZoom > 30){NewZoom = 30;}
Debug.Log (zoomFactor);
}
}
}

RAW Paste Data Copied

using UnityEngine;
using System.Collections;

public class GameControls : MonoBehaviour {

public GameObject camera;

Vector3 CurrentPos;
	Vector3 NewPos;
	public float panSpeed = 5f;

float CurrentZoom= 10;
	public float NewZoom;
	
	Vector2 currTouch1;
	Vector2 currTouch2;
	Vector2 lastTouch1;
	Vector2 lastTouch2;
	
	float lastTouchDistance;
	float currTouchDistance;

void Start(){
		CurrentPos = transform.position;
		NewPos = transform.position;
	}

void FixedUpdate(){
		CurrentPos = Vector3.Lerp (CurrentPos, NewPos, 0.1f);
		transform.position = CurrentPos;

CurrentZoom = Mathf.Lerp (CurrentZoom, NewZoom, 0.1f);
		camera.transform.localPosition = new Vector3 (0, 0, -CurrentZoom);

}

void Update(){
		if (Input.touchCount == 1) {
			if (Input.GetTouch (0).phase.Equals (TouchPhase.Moved)) {
				NewPos += new Vector3 (
					-Input.GetTouch(0).deltaPosition.x/Screen.width*panSpeed,
					0,
					-Input.GetTouch(0).deltaPosition.y/Screen.height*panSpeed
					);	
				Debug.Log(Input.GetTouch(0).deltaPosition.x/Screen.width);
			}
		}

if (Input.touchCount == 2){
			currTouch1 = Input.GetTouch(0).position;
			lastTouch1 = currTouch1 - Input.GetTouch(0).deltaPosition;

currTouch2 = Input.GetTouch(1).position;
			lastTouch2 = currTouch2 - Input.GetTouch(1).deltaPosition;

currTouchDistance = Vector2.Distance(currTouch1, currTouch2);
			lastTouchDistance = Vector2.Distance(lastTouch1, lastTouch2);

float zoomFactor = (lastTouchDistance - currTouchDistance)*CurrentZoom/2*0.01f;
			NewZoom += zoomFactor;

if(NewZoom < 1){NewZoom = 1;}
			if(NewZoom > 30){NewZoom = 30;}

Debug.Log (zoomFactor);
			
		}
	}
}