# Example file showing a basic pygame "game loop"
import pygame
# pygame setup
pygame.init()
display = pygame.display.Info()
screen = pygame.display.set_mode((display.current_w, display.current_h), flags=pygame.FULLSCREEN)
clock = pygame.time.Clock()
running = True

screen.fill("black")
import sys
if len(sys.argv[1:3]) == 2:
    XSTRIPE, YSTRIPE = [int(i) for i in sys.argv[1:3]]
else:
    XSTRIPE = 128
    YSTRIPE = 8
def mapsf(width=display.current_w, height=display.current_w):
    for i in range(width*height):
        sno = i // (XSTRIPE * YSTRIPE)
        ord = i % (XSTRIPE * YSTRIPE)
        base_x = sno % (width // XSTRIPE) * XSTRIPE
        base_y = sno // (width // XSTRIPE) * YSTRIPE
        sx = ord % XSTRIPE + base_x
        sy = ord // XSTRIPE + base_y
        yield sy * width + sx

maps = [(x%XSTRIPE)+1920*(x//XSTRIPE) for x in range(XSTRIPE*YSTRIPE)]
maps += [x+1*XSTRIPE for x in maps]
it = iter(mapsf())
#for _ in range(8*8*16*16*(15*8)+18000*5):
#    next(it)
#for _ in range(8*8*16*16*(15*8)):
#    next(it)
while running:
    # poll for events
    # pygame.QUIT event means the user clicked X to close your window
    for event in pygame.event.get():
        if event.type == pygame.QUIT:
            running = False

    # fill the screen with a color to wipe away anything from last frame

    # RENDER YOUR GAME HERE

    # flip() the display to put your work on screen
    i = next(it)
    screen.set_at((i % 1920, i // 1920), 'white')
    pygame.display.flip()


    #clock.tick(120)  # limits FPS to 60

pygame.quit()