IEnumerator TakeSnap()
{
yield return(new WaitForEndOfFrame());
RenderTexture renderTexture = new RenderTexture(Screen.width, Screen.height, 24);
mainCam.SetTargetTexture(renderTexture);
Texture2D screenShot = new Texture2D(Screen.width, Screen.height, TextureFormat.RGB24, false);
mainCam.SecondaryRender();
RenderTexture.active = renderTexture;
var topLeftScreen = mainCam.WorldToScreen(topLeftAnchor.position);
var bottomRightScreen = mainCam.WorldToScreen(bottomRightAnchor.position);
var width = bottomRightScreen.x - topLeftScreen.x;
var height = topLeftScreen.y - bottomRightScreen.y;
screenShot.ReadPixels(
new Rect(topLeftScreen.x, Screen.height - topLeftScreen.y, width, height),
0, 0);
screenShot.Apply();
// For saving the screenshot
// Destroy(renderTexture);
// byte[] bytes = screenShot.EncodeToPNG();
// string filename = "newScreenshot.png";
// System.IO.File.WriteAllBytes(filename, bytes);
// Debug.Log(string.Format("Took screenshot to: {0}", filename));
snapDisplay = screenShot;
// snapDisplay.SetTexture("NewDisplay", snapDisplayTexture);
}