X: 0 35*20
for i in range(board_width):
pos = i * 20, 0, 20, 20
pygame.draw.rect(screen, color, pos,...width)
pos = i * 20, (board_height - 1) * 20, 20, 20
pygame.draw.rect(screen, color, pos, width)
# 上下边框占用了...Y: 0 26*20
for i in range(board_height - 1):
pos = 0, 20 + i * 20, 20, 20
pygame.draw.rect(screen, color..., pos, width)
pos = (board_width - 1) * 20, 20 + i * 20, 20, 20
pygame.draw.rect(screen, color, pos,...pygame.locals 中的常量
# keys[K_w] 返回 True or False
# 上移
if keys[K_w] or keys[K_UP]:
snack.toward(0, -1)