Пример #1
0
df::Position df::Position::getNextAdjacentPosition(df::Position to){
	int delta_x = abs(to.getX() - this->getX());
	int delta_y = abs(to.getY() - this->getY());

	if (delta_x > delta_y){
		if (to.getX() > this->getX())
			return df::Position(this->getX() + 1, this->getY());
		else
			return df::Position(this->getX() - 1, this->getY());
	}
	else if(delta_x < delta_y){
		if (to.getY() > this->getY())
			return df::Position(this->getX(), this->getY() + 1);
		else
			return df::Position(this->getX(), this->getY() - 1);
	}
	else if (delta_x != 0){
		if (to.getX() > this->getX())
			return df::Position(this->getX() + 1, this->getY());
		else
			return df::Position(this->getX() - 1, this->getY());
	}
	else{
		return (*this);
	}
}
Пример #2
0
Bullet::Bullet(df::Position hero_pos) {

  // Set object properties.
  setType("Bullet");
  setXVelocity(1);		// move 1 space right every frame

  // Set starting location, based on hero's position passed in.
  df::Position pos(hero_pos.getX()+3, hero_pos.getY());
  setPosition(pos);
}
Пример #3
0
// Fire bullet towards target.
void Hero::fire(df::Position target) {

  // See if time to fire.
  if (fire_countdown > 0)
    return;
  fire_countdown = fire_slowdown;

  // Fire Bullet towards target.
  df::Bullet *p = new df::Bullet(getPosition());
  p->setYVelocity((float) (target.getY() - getPosition().getY()) /
		  (float) (target.getX() - getPosition().getX()));
}
Пример #4
0
int Weapon::setWeaponPosition(df::Position pos, Direction direction) {
	df::WorldManager &wm = df::WorldManager::getInstance();
	if (direction == NORTH) {
		df::Position new_pos = df::Position(pos.getX() + 1, pos.getY() - 2);
		setSpriteIndex(0);
		wm.moveObject(this, new_pos);
		return 0;
	}
	if (direction == EAST) {
		df::Position new_pos = df::Position(pos.getX() + 3, pos.getY());
		setSpriteIndex(1);
		wm.moveObject(this, new_pos);
		return 0;
	}
	if (direction == SOUTH) {
		df::Position new_pos = df::Position(pos.getX() + 1, pos.getY() + 3);
		setSpriteIndex(2);
		wm.moveObject(this, new_pos);
		return 0;
	}
	if (direction == WEST) {
		df::Position new_pos = df::Position(pos.getX() - 2, pos.getY());
		setSpriteIndex(3);
		wm.moveObject(this, new_pos);
		return 0;
	}

	return -1;
}
Пример #5
0
// Fire bullet towards target.
void Hero::fire(df::Position target) {

  // See if time to fire.
  if (fire_countdown > 0)
    return;
  fire_countdown = fire_slowdown;

  // Fire Bullet towards target.
  df::Position *pos = new df::Position(getPosition().getX(), getPosition().getY());
  Bullet *p = new Bullet(*pos);
  p->setYVelocity((float) (target.getY() - getPosition().getY()) /
		  (float) (target.getX() - getPosition().getX()));

  // Play "fire" sound.
  df::Sound *p_sound = df::ResourceManager::getInstance().getSound("fire");
  p_sound->play();
}
Пример #6
0
// get manhattan distance of positions
int df::Position::getManhattanDistance(df::Position pos){
	return abs(pos.getX() - getX()) + abs(pos.getY() - getY());	
}
Пример #7
0
// return if positions are equal to each other
bool df::Position::equalTo(df::Position pos){
	if (this->getX() == pos.getX() && this->getY() == pos.getY()){
		return true;
	}
	return false;
}