Untitled

WHITE = (255, 255, 255)
BLACK = (0, 0, 0)

SCREEN_W = 250
SCREEN_H = 150

SPRITE_W = 5
SPRITE_H = 5


def make_array(w, h):
    return [[WHITE for x in range(w)]for y in range(h)]


def fill_sprite_4(sprite):
    w = len(sprite[0])
    h = len(sprite)
    for a in range(h // 2 + 1):
        for b in range(w // 2 + 1):
            sprite[a][b] = random.choice([BLACK, WHITE])


def fill_sprite(sprite):
    w = len(sprite[0])
    h = len(sprite)
    for a in range(h):
        for b in range(w // 2 + 1):
            sprite[a][b] = random.choice([BLACK, WHITE])

            
def mirror_sprite_4(sprite):
    w = len(sprite[0])
    h = len(sprite)
    for a in range(h // 2 + 1):
        for b in range(w // 2 + 1):
            sprite[-a - 1][-b - 1] = sprite[a][b]
            sprite[-b - 1][-a - 1] = sprite[a][b]
    
    
def mirror_sprite(sprite):
    w = len(sprite[0])
    h = len(sprite)
    for a in range(h):
        for b in range(w // 2 + 1):
            sprite[a][-b-1] = sprite[a][b]
    
    
def make_sprite_4(w,h):
    sprite = make_array(w, h)
    fill_sprite_4(sprite)
    mirror_sprite_4(sprite)
    return sprite


def make_sprite(w,h):
    sprite = make_array(w, h)
    fill_sprite(sprite)
    mirror_sprite(sprite)
    return sprite


def copy_sprite(screen, sprite, x0, y0):
    for y in range(len(sprite)):
        for x in range(len(sprite[0])):
            screen[y0 + y][x0 + x] = sprite[y][x]


screen = [[WHITE for x in range(SCREEN_W)] for y in range(SCREEN_H)]


for y in range(0, SCREEN_H - SPRITE_H, SPRITE_H * 2):
    for x in range(0, SCREEN_W - SPRITE_W, SPRITE_W * 2):
        sprite = make_sprite(SPRITE_W, SPRITE_H)
        copy_sprite(screen, sprite, x, y)


plt.figure(figsize=(30, 20))
plt.imshow(screen)