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from math import sin, cos, pi
from pygame.math import Vector2
import pygame
from pygame.locals import *
pygame.init()
def convert2int(t):
return list(map(int, t))
def up(start_color: list, index: int):
for component in range(256):
new_color = start_color.copy()
new_color[index] = component
yield new_color
def down(start_color: list, index: int):
for component in range(255, -1, -1):
new_color = start_color.copy()
new_color[index] = component
yield new_color
def color_iterator():
while True:
yield from up([255, 0, 0], 1)
yield from down([255, 255, 0], 0)
yield from up([0, 255, 0], 2)
yield from down([0, 255, 255], 1)
yield from up([0, 0, 255], 0)
yield from down([255, 0, 255], 2)
count = 200
multiple = 1
radius = 400
step = 0.01
center = Vector2(radius, radius)
theta = 2 * pi / count
alpha = lambda n: (theta * n) % count
f_x = lambda n: cos(alpha(n)) * radius + center.x
f_y = lambda n: sin(alpha(n)) * radius + center.y
f = lambda n: Vector2(f_x(n), f_y(n))
BLACK = Color('black')
WHITE = Color('white')
RED = Color('red')
WIDTH, HEIGHT = SIZE = radius * 2, radius * 2
screen = pygame.display.set_mode(SIZE)
color = color_iterator()
clock = pygame.time.Clock()
while True:
clock.tick(60)
for event in pygame.event.get():
if event.type == QUIT:
pygame.quit()
quit()
screen.fill(BLACK)
c = next(color)
pygame.draw.circle(screen, c, convert2int(center), radius, 3)
for n in range(count):
p1 = f(n)
p2 = f(multiple * n)
pygame.draw.line(screen, c, convert2int(p1), convert2int(p2), 1)
multiple += step
pygame.display.flip()
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