Unigine::GameIntersection Class

// AppWorldLogic.cpp

/* ... */
// 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 GameIntersection class
GameIntersectionPtr intersection = GameIntersection::create();

// try to get the intersection with an obstacle
// cylinder has radius 1.5f, intersection mask equals to 1
ObstaclePtr obstacle = Game::getIntersection(p0, p1, 1.5f, 1, intersection);

// check, if the intersection of mouse direction with any obstacle was occurred;
if (obstacle)
{
	// show the coordinates of the intersection in console 
	Log::message("The intersection with the obstacle was here: (%f %f %f)\n", intersection->getPoint().x, intersection->getPoint().y, intersection->getPoint().z);
}
/* ... */