/**
* \brief Applies a movement to this object.
*
* Any previous movement is stopped.
*
* \param movement The movement to apply.
*/
void Drawable::start_movement(Movement& movement) {
stop_movement();
this->movement = &movement;
movement.set_drawable(this);
movement.increment_refcount();
}
/**
* \brief Updates this object.
*
* This function is called repeatedly.
* You can redefine it for your needs.
*/
void Drawable::update() {
if (transition != NULL) {
transition->update();
if (transition->is_finished()) {
delete transition;
transition = NULL;
int ref = transition_callback_ref;
transition_callback_ref = LUA_REFNIL;
if (lua_context != NULL) {
// Note that this callback may create a new transition right now.
lua_context->do_callback(ref);
}
}
}
if (movement != NULL) {
movement->update();
if (movement != NULL && movement->is_finished()) {
stop_movement();
}
}
}
/**
* \brief Applies a movement to this object.
*
* Any previous movement is stopped.
*
* \param movement The movement to apply.
*/
void Drawable::start_movement(Movement& movement) {
stop_movement();
this->movement = &movement;
movement.set_drawable(this);
RefCountable::ref(&movement);
}
/**
* \brief Destructor.
*/
Drawable::~Drawable() {
stop_transition();
stop_movement();
}
