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from pygame.locals import *
from pygame import Vector2, Surface
import pygame
import random
from sys import argv
def convert2int(t):
return list(map(int, t))
def new_point_square():
attractor_point = random.choice(vertices)
_ = Vector2(
(points[-1].x + 2 * attractor_point.x) / 3,
(points[-1].y + 2 * attractor_point.y) / 3
)
points.append(_)
return _
def generate_surface(iterations):
surf = Surface((WIDTH, HEIGHT))
for _ in range(iterations):
new_point = new_point_square()
surf.set_at(convert2int(new_point), WHITE)
return surf
pygame.init()
WIDTH, HEIGHT = SIZE = 1000, 1000
screen = pygame.display.set_mode(SIZE)
BLACK = Color('black')
WHITE = Color('white')
GREEN = Color('green')
font = pygame.font.SysFont('courier', 30)
vertices = [
Vector2(200, 200), Vector2(500, 200), Vector2(800, 200),
Vector2(200, 500), Vector2(800, 500),
Vector2(200, 800), Vector2(500, 800), Vector2(800, 800)
]
points = [Vector2(201, 200)]
iterations = 0
static = False
surface = None
try:
iterations = int(argv[1])
static = True
surface = generate_surface(iterations)
except (ValueError, IndexError):
pass
while True:
for event in pygame.event.get():
if event.type == pygame.QUIT:
pygame.quit()
quit()
if static:
screen.fill(BLACK)
screen.blit(surface, (0, 0))
for point in vertices:
pygame.draw.circle(screen, GREEN, convert2int(point), 3)
else:
for point in points:
screen.set_at(convert2int(point), WHITE)
for point in vertices:
pygame.draw.circle(screen, GREEN, convert2int(point), 3)
new_point_square()
iterations += 1
text = font.render('interation: {}'.format(iterations), 4, WHITE)
screen.fill(BLACK, text.get_rect(x=10, y=10))
screen.blit(text, text.get_rect(x=10, y=10))
pygame.display.flip()
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