initial commit

Prog_1/Animations/twinkle_twinkle.py

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