TIP: C# Unity3d screen coordinates to world point

Unity3d screen coordinates to world point

using UnityEngine;

public class UIRandomSpriteSeeder : MonoBehaviour
{
  private Vector3 TopRightPoint;
  private Vector3 BottomLeftPoint;
  
  void Start()
  {
    BottomLeftPoint = Camera.main.ScreenToWorldPoint( Vector3.zero );
  	TopRightPoint   = Camera.main.ScreenToWorldPoint( new Vector3( Screen.width, Screen.height ));	
  }
}