/**
* @brief Constructor.
* @param speed speed of the movement in pixels per seconds
* @param max_distance if the object goes further than this distance, it will come back
*/
RandomMovement::RandomMovement(int speed, int max_distance):
RectilinearMovement(true),
max_distance(max_distance) {
set_speed(speed);
set_next_direction();
}
/**
* @brief Constructor.
* @param speed speed of the movement in pixels per seconds
* @param max_distance if the object goes further than this distance, it will come back
*/
RandomMovement::RandomMovement(int speed, int max_distance):
StraightMovement(false, false),
normal_speed(speed),
max_distance(max_distance),
next_direction_change_date(0) {
set_next_direction();
}
/**
* \brief Constructor.
* \param speed Speed of the movement in pixels per seconds.
* \param max_radius if the object goes further than this distance, it will come back
*/
RandomMovement::RandomMovement(int speed, int max_radius):
StraightMovement(false, false),
max_radius(max_radius),
next_direction_change_date(0) {
set_speed(speed);
set_next_direction();
}
/**
* @brief Updates the fairy movement.
*
* This function is called repeatedly by the map.
* This is a redefinition of Movement::update()
* to change the fairy's direction sometimes.
*/
void RandomMovement::update() {
RectilinearMovement::update();
if (!is_suspended()) {
uint32_t now = System::now();
if (now >= next_direction_change_date) {
set_next_direction();
}
}
}
/**
* \brief Notifies this movement that it just failed to apply
* because of obstacles.
*/
void RandomMovement::notify_obstacle_reached() {
StraightMovement::notify_obstacle_reached();
set_next_direction();
}
