title: UNITY touch position to world position 2D
body: <p>How can I transform the touch position (On phones) to world position. For instance if my phone's screen size is 1440 by 2560 and my touch position on the phone is X 600 Y 700. How can I transform that position to world position on unity?</p>
  
  <p>I need that so I can know where the user put his finger.</p>