animation code test

# /// script
# dependencies = [
#     "pygame-ce",
# ]
# ///

import asyncio
import pygame

async def main():

    pygame.display.set_caption("simple animation")

    screen = pygame.display.set_mode((1024, 600))

    anim_tiles = pygame.image.load("tiles.png")
    anim_frames = 2
    anim_current = 0

    # display same image, frame count
    anim_refresh = 6
    # persistence frame counter
    anim_pass = 0
    anim_pos = 1000

    while True:
        events = pygame.event.get()
        for event in events:
            if event.type == pygame.QUIT:
                return

        # clear whole screen
        screen.fill( (0,0,255) )

        # draw a frame from animation
        screen.blit(anim_tiles , (anim_pos, 300), pygame.Rect( anim_current * 128, 0, 128,128) )

        anim_pass = anim_pass +1

        if anim_pass>anim_refresh:
            anim_pass = 0
            anim_current = anim_current+1
            if anim_current>=anim_frames:
                anim_current = 0

        anim_pos = anim_pos -1

        if anim_pos<0:
            anim_pos = 1000

        pygame.display.update()
        await asyncio.sleep(0.016)

asyncio.run(main())