Unigine::WorldIntersection Class

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

// get the current player (camera)
PlayerPtr player = Game::getPlayer();
if (player.get() == 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(p0, p1, mouse_x, mouse_y, width, height);

// create an instance of the WorldIntersection class to get the result
WorldIntersectionPtr intersection = WorldIntersection::create();

// create an instance for intersected object and check the intersection
ObjectPtr object = World::getIntersection(p0,p1,1,intersection);

// if the intersection has been occurred, change the parameter of the object's material
if(object)
{
  for (int i = 0; i < object->getNumSurfaces(); i++)
  {
    object->setMaterialParameterFloat4("albedo_color", vec4(1.0f, 0.0f, 0.0f, 1.0f),i);
    
    // show intersection details in console
    Log::message("point: (%f %f %f) index: %i \n", intersection->getPoint().x, intersection->getPoint().y, intersection->getPoint().z, intersection->getIndex());
  }
}
/* ... */