function Mouse3D(){
	VECTOR vector1;
	VECTOR vector2;
		
	vector1.x = mouse_pos.x;
	vector1.y = mouse_pos.y;
	vector1.z = 5;

	vector2.x = mouse_pos.x;
	vector2.y = mouse_pos.y;
	vector2.z = 5000;

	vec_for_screen(vector1, camera);
	vec_for_screen(vector2, camera);

	if(c_trace (vector1, vector2,IGNORE_PASSABLE))
	{
		//Something hit...
	}
}