MultiScreen Support in Unity (for iOS)

MultiScreen

using UnityEngine;
using System.Collections;

public class MultiScreen : MonoBehaviour
{
  Camera extCam;
	Camera extCam2d;
	
	void Start ()
	{
		GameObject extCamObj = GameObject.Find ("ExtCamera");
		extCam = extCamObj.camera;
		GameObject extCam2dObj = GameObject.Find ("ExtCamera2d");
		extCam2d = extCam2dObj.camera;
		
		// GUI is rendered with last camera.
		// As we want it to end up in the main screen, make sure main camera is the last one drawn.
		extCam.depth = camera.depth - 1;
		extCam2d.depth = camera.depth - 1;

		camera.SetTargetBuffers (Display.main.colorBuffer, Display.main.depthBuffer);
		extCam.enabled = false;
		extCam2d.enabled = false;
	}

	void Update ()
	{
		if (Display.displays.Length > 1 && !extCam.enabled) {
			Debug.Log ("Ext Display: " + Display.displays [1].systemWidth + "x" + Display.displays [1].systemHeight);
			Display.displays [1].SetRenderingResolution (Display.displays [1].systemWidth, Display.displays [1].systemHeight);
			extCam.SetTargetBuffers (Display.displays [1].colorBuffer, Display.displays [1].depthBuffer);
			extCam2d.SetTargetBuffers (Display.displays [1].colorBuffer, Display.displays [1].depthBuffer);
		}
		extCam.enabled = Display.displays.Length > 1;
		extCam2d.enabled = Display.displays.Length > 1;
	}
	
}