heading = None
if pressed[pygame.K_UP]:
heading = (0, -1)
elif pressed[pygame.K_DOWN]:
heading = (0, 1)
elif pressed[pygame.K_LEFT]:
heading = (-1, 0)
elif pressed[pygame.K_RIGHT]:
heading = (1, 0)
# remember first boolean evaluates first because of 'and'
if heading and game.snake.heading == (heading[0] * -1, heading[1] * -1):
pass
elif heading:
game.change_snake_heading(heading)
try:
game.move_snake()
except:
done = True
screen.fill((0, 0, 0))
x, y = game.get_apple_pos()
pygame.draw.rect(
screen, apple_color,
pygame.Rect(x * pixel_mult, y * pixel_mult, pixel_mult, pixel_mult))
tail = game.get_snake_tail()
for x, y in tail:
