Pointy

#!/usr/bin/env pythonimport pygamepygame.display.init()def aaColours(colour):	mid = tuple(int(val*0.8) for val in colour)	dark = tuple(int(val*0.5) for val in colour)	light = tuple((val + 255) / 2 for val in colour)	return dark, mid, lightFPS = 60SPF = 1.0 / FPS# Pretty colours!WHITE = pygame.color.THECOLORS['white'][:3]MAGENTA = pygame.color.THECOLORS['magenta'][:3]MAGENTA_DK, MAGENTA_MID, MAGENTA_LT = aaColours(MAGENTA)BLACK = pygame.color.THECOLORS['black'][:3]class Pointer (pygame.sprite.Sprite):	baseImage = pygame.surface.Surface((32, 32)).convert(8)	# Make sure the colours we want are in the palette	baseImage.set_palette((BLACK, WHITE, MAGENTA, MAGENTA_DK, MAGENTA_MID, MAGENTA_LT))	baseImage.fill(BLACK)	baseImage.set_colorkey(BLACK)	# Three layers of arrows (for fake AA)	darkArrow = baseImage.copy()	pygame.draw.polygon(darkArrow, MAGENTA_DK, [(16, 32),(0, 0),(32, 16)])	midArrow = baseImage.copy()	pygame.draw.polygon(midArrow, MAGENTA_MID, [(16, 31),(1, 1),(31, 16)])	mainArrow = baseImage.copy()	pygame.draw.polygon(mainArrow, MAGENTA, [(16, 30),(2, 2),(30, 16)])	# Combine!	baseImage.blit(darkArrow, (0, 0))	baseImage.blit(midArrow, (0, 0))	baseImage.blit(mainArrow, (0, 0))	# Ooh, shiny	pygame.draw.polygon(baseImage, MAGENTA_LT, [(4, 4), (28, 16), (24, 16)])			def __init__(self, colour, **kwargs):		super(Pointer, self).__init__(colour=colour, **kwargs)				# Apply the choice of colour to our image		self.image = self.baseImage.copy()		aaDark, aaMid, aaLight = aaColours(colour)		for old, new in [(MAGENTA, colour), (MAGENTA_DK, aaDark), (MAGENTA_MID, aaMid), (MAGENTA_LT, aaLight)]:			index = list(self.image.get_palette()).index(old)			self.image.set_palette_at(index, new)		self.image = self.image.convert()		self.rect = self.image.get_rect()			if __name__ == '__main__':	pygame.init()		screen = pygame.display.set_mode((320, 240))	tester = Pointer(colour=(255, 0, 0))		clock = pygame.time.Clock()	looping = True	while looping:		# Use pygame's clock to limit FPS		clock.tick(FPS)				# Draw everything		screen.blit(tester.image, (0, 0))		pygame.display.flip()