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import pygame as pg
import math

pg.init()
breite = 1000
hoehe = 1000
zentrum_x = breite / 2
zentrum_y = hoehe / 2
mitte = zentrum_x, zentrum_y

screen = pg.display.set_mode((breite, hoehe))
pg.display.set_caption('Solar')

#Farben
black = (0, 0, 0)
white = (255, 255, 255)
blue = (0, 0, 255)
yellow = (255, 255, 0)

weitermachen = True
clock = pg.time.Clock()

winkel_erde = 0
winkel_mond = 0

orbit_erde = zentrum_x * 0.6
orbit_mond = 50

while weitermachen:
    clock.tick(60)
    for ereignis in pg.event.get():
        if ereignis.type == pg.QUIT:
            weitermachen = False
    screen.fill((0, 0, 0))

    winkel_erde += 0.02
    winkel_mond += 0.05

    erde = orbit_erde * math.cos(winkel_erde) + zentrum_x, orbit_erde * math.sin(winkel_erde) + zentrum_y
    mond = orbit_mond * math.cos(winkel_mond) + orbit_erde * math.cos(winkel_erde) + zentrum_x, orbit_mond * math.sin(winkel_mond) + orbit_erde * math.sin(winkel_erde) + zentrum_y

    pg.draw.circle(screen, blue, erde, 20)
    pg.draw.circle(screen, white, mond, 10)
    pg.draw.circle(screen, yellow, mitte, 50, 0)

    pg.display.flip()

pg.quit()