+class RGBSprite(pygame.sprite.DirtySprite, RGB) :
+
+ def __init__(self, alpha=255, size=SCREEN_SIZE) :
+ pygame.sprite.DirtySprite.__init__(self)
+ RGB.__init__(self)
+ self.dirty = 2 # toujours dirty !
+ self.size = size
+ self.image = pygame.Surface(size)
+ self.workSur = pygame.Surface(SCREEN_SIZE)
+ self.image.set_alpha(alpha)
+ self.rect = pygame.Rect((0, 0), (0, 0))
+
+ def update(self) :
+ RGB.update(self)
+ img = self.capture()
+ self.workSur.blit(img, (0, 0))
+ self.workSur = pygame.transform.flip(self.workSur, True, False) # miroir
+ if self.size != SCREEN_SIZE :
+ pygame.transform.scale(self.workSur, self.size, self.image) # étirement, blit implicite
+ else :
+ self.image.blit(self.workSur, (0, 0))
+