def _fire_projectile(self):
"""Method to create projectiles in the projectiles group"""
if len(self.projectiles) < self.settings.max_projectiles:
new_projectile = Projectile(self)
if self.projectile_direction == 'up':
new_projectile.shooting_up = True
elif self.projectile_direction == 'down':
new_projectile.shooting_down = True
elif self.projectile_direction == 'left':
new_projectile.shooting_left = True
elif self.projectile_direction == 'right':
new_projectile.shooting_right = True
self.projectiles.add(new_projectile)
