pygame.examples.liquid

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Se hai installato pygame

pip install pygame

puoi eseguire il codice originale scrivendo le istruzioni

import pygame.examples.liquid

pygame.examples.liquid.main()

Versione riarrangiata

Salva l’immagine nella sottocartella data

import pygame as pg
import os           # path.split(), path.join()
import math         # sin()
import time         # sleep()

def main():
    pg.init()
    screen    = pg.display.set_mode((640, 480), pg.HWSURFACE | pg.DOUBLEBUF)
    main_dir  = os.path.split(os.path.abspath(__file__))[0]
    imagename = os.path.join(main_dir, "data", "liquid.bmp")
    bitmap    = pg.image.load(imagename)
    bitmap    = pg.transform.scale2x(bitmap)
    bitmap    = pg.transform.scale2x(bitmap)

    # get the image and screen in the same format
    if screen.get_bitsize() == 8: screen.set_palette(bitmap.get_palette())
    else:                         bitmap = bitmap.convert()

    anim    = 0.0
    xblocks = range(0, 640, 20)   # 0, 20, 40,..., 620
    yblocks = range(0, 480, 20)   # 0, 20, 40,..., 460

    while True:
        for e in pg.event.get():
            if e.type in (pg.QUIT, pg.KEYDOWN, pg.MOUSEBUTTONDOWN):
                return

        anim = anim+0.02
        for x in xblocks:
            xpos = 20+(x+15*(math.sin(anim+x*0.01)))
            for y in yblocks:
                ypos = 20+(y+15*(math.sin(anim+y*0.01)))
                screen.blit(bitmap, (x,y), (xpos,ypos, 20,20))

        pg.display.flip()
        time.sleep(0.005)

if __name__ == "__main__":
    main()
    pg.quit()

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