Unigine.WorldIntersectionNormal Class

/* ... */
// initialize points of the mouse direction
Vec3 p0,p1;

// get the current player (camera)
Player player = Game.Player;
if (player == null)
	return 0;
// get width and height of the current application window
int width = App.getWidth();
int height = App.getHeight();
// get the current X and Y coordinates of the mouse pointer
int mouse_x = App.getMouseX();
int mouse_y = App.getMouseY();
// get the mouse direction from the player's position (p0) to the mouse cursor pointer (p1)
player.getDirectionFromScreen(out p0, out p1, mouse_x, mouse_y, width, height);

// create an instance of the WorldIntersectionNormal class to get the result
WorldIntersectionNormal intersection = new WorldIntersectionNormal();

// create an instance for intersected object and check the intersection
Unigine.Object obj = World.GetIntersection(p0,p1,1,intersection);

// if the intersection has been occurred, change the parameter of the object's material
if(obj != null)
{
  for (int i = 0; i < obj.NumSurfaces; i++)
  {
    obj.setMaterialParameterFloat4("albedo_color", new vec4(1.0f, 0.0f, 0.0f, 1.0f),i);
    
    // show intersection details in console
    Log.Message("Normal: type {0} coordinates ({1} {2} {3})\n", intersection.Normal.Type,
		intersection.Normal.x,
		intersection.Normal.y,
		intersection.Normal.z);
  }
}
/* ... */