pygame_rotation_test.py

import pygame

WHITE = (0xff, 0xff, 0xff)

pygame.init()
screen = pygame.display.set_mode((128, 128))
clock = pygame.time.Clock()

arrow_surface =  pygame.surface.Surface((64, 64))
pygame.draw.aaline(arrow_surface, WHITE, (32, 0), (32, 64))
pygame.draw.aaline(arrow_surface, WHITE, (32 - 16, 64 - 16), (32, 64))
pygame.draw.aaline(arrow_surface, WHITE, (32 + 16, 64 - 16), (32, 64))

angle = 0
while True:
	screen.fill((0, 0, 0))
	#rotated = pygame.transform.rotozoom(arrow_surface, angle, 1.0)
	rotated = pygame.transform.rotate(arrow_surface, angle)
	screen.blit(rotated, (64 - rotated.get_width() / 2, 64 - rotated.get_height() / 2))
	pygame.display.flip()
	clock.tick(60)
	angle += 5