def collide_bullet(self): Collision.bullet_black_hole(self.game)
def collide_bullet(self): Collision.bullet_health_booster(self.game)
def collide_spacecraft(self): Collision.spacecraft_black_hole(self.game)
def collide_bullet(self): Collision.bullet_frost_ball(self.game)
def collide_spacecraft(self): Collision.spacecraft_health_booster(self.game)
def collide_bullet(self): Collision.bullet_comet2(self.game)
def collide_spacecraft(self): Collision.spacecraft_frost_ball(self.game)
def collide_spacecraft(self): Collision.spacecraft_comet2(self.game)
def collide_bullet(self): Collision.bullet_large_asteroid(self.game)
def collide_spacecraft(self): Collision.spacecraft_large_asteroid(self.game)
def collide_bullet(self): Collision.bullet_small_asteroid(self.game)
def collide_spacecraft(self): Collision.spacecraft_small_asteroid(self.game)