Make modifications to AngleProjectile rotation mechanism

gameparts/basics.py

@@ -261,7 +261,7 @@ class AngleProjectile(pygame.sprite.Sprite):
     def __init__(self, pos, angle, size, image):
         _Object.__init__(self, pos, size, image)
         pygame.sprite.Sprite.__init__(self)
-        self.image = self.image.rotate(angle)
+        self.image = pygame.transform.rotate(self.image, angle)
         self.angle = angle
         self.rect = self.image.get_rect()
         self.rect.topleft = pos