73 lines
1.5 KiB
Python
73 lines
1.5 KiB
Python
import random
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import time
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import pygame
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class Star:
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def __init__(self,visible,pos):
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self.visible = visible
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self.pos = pos
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self.size = random.randint(1,3)
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def set_visible(self):
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self.visible = True
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def star_appear(self,screen):
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pygame.draw.circle(screen, WHITE, self.pos, self.size)
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stars = []
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width = 640
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height = 600
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SIZE = (width, height)
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WHITE = (255, 255, 255)
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BLACK = (0, 0, 0)
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def main():
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screen = init_game()
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game_loop(screen)
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exit_game()
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def init_game():
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pygame.init()
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screen = pygame.display.set_mode(SIZE)
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return screen
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def game_loop(screen):
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while True:
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if not event_handling():
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break
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if not update_game(screen):
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break
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event = event_handling()
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update_game(screen)
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draw_screen(screen)
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time.sleep(0.5)
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def event_handling():
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for event in pygame.event.get():
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if event.type == pygame.QUIT:
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return False
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return True
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def update_game(screen):
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for _ in range (2):
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night_sky(screen)
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random.choice(stars).set_visible()
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return True
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def draw_screen(screen):
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screen.fill(BLACK)
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x = 0
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for _ in stars:
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if stars[x].visible:
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stars[x].star_appear(screen)
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x+=1
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pygame.display.flip()
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def night_sky(screen):
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pos = (random.randint(0, SIZE[0]), random.randint(0, SIZE[1]))
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stars.append(Star(False, pos))
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def exit_game():
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pygame.quit()
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main() |