public void toogle(Point p1, Point p2) {
// Save position
int x1 = p1.x;
int y1 = p1.y;
int x2 = p2.x;
int y2 = p2.y;
NumSprite sp1 = _map.get(p1);
NumSprite sp2 = _map.get(p2);
int id1 = sp1.getResourceID();
int id2 = sp2.getResourceID();
Point p3 = sp1.getMatrixPosition();
Point p4 = sp2.getMatrixPosition();
// remove 2 sprite
if (_map.containsKey(p1)) _map.remove(p1);
if (_map.containsKey(p2)) _map.remove(p2);
sp1.destroy();
sp2.destroy();
// Create 2 new sprite
NumSprite sp1_new = new NumSprite(x1, y1, id2);
NumSprite sp2_new = new NumSprite(x2, y2, id1);
sp1_new.setMatrixPosition(p3.x, p3.y);
sp2_new.setMatrixPosition(p4.x, p4.y);
_map.put(p1, sp1_new);
_map.put(p2, sp2_new);
if (sound_on) m_resource_manager.sound.playSlide();
}
