Screen Edges.cs

  /// <summary>
  /// Returns a position on the edge of the screen
  /// </summary>
  /// <param name="horizontal">0 being left, and 1 being right</param>
  /// <param name="vertical">0 being botton, and 1 being top of the screen</param>
  /// <param name="horizontalPadding">Padding from the screen, 0 means on screen, and 0.1 will be 10% off the screen</param>
  /// <param name="verticalPadding"> </param>
  /// <returns></returns>
  public Vector3 GetOffScreenPosition(float horizontal,
      float vertical,
      float horizontalPadding,
      float verticalPadding)
  {
      Vector3 screenPoint = gameCamera.WorldToViewportPoint(new Vector3(0, 0, 0));

      screenPoint.x = horizontal + horizontalPadding;
      screenPoint.y = vertical + verticalPadding;
      return gameCamera.ViewportToWorldPoint(screenPoint);
  }

  public Vector3 GetOffScreenPosition(Vector2 initialPosition, Vector2 padding)
  {
      return GetOffScreenPosition(Mathf.Clamp01(initialPosition.x),
          Mathf.Clamp01(initialPosition.y),
          Mathf.Clamp01(padding.x),
          Mathf.Clamp01(padding.y));
  }