void Clickable::tick() { if (screen.isTouching( _pos.x, _pos.y, _pos.x+_size.w, _pos.y+_size.h )) { _touching++; if (_touching == 1) { pipe->push(drawControlForwarder, this); } } else if (_touching > 0) { _touching = 0; if (_onClick != nullptr) { pipe->push(_onClick, _onClickContext); } pipe->push(drawControlForwarder, this); } }