save project

my_game.py

@@ -29,9 +29,10 @@ a = 0
 jump="runing"
 y=400
 t=30
-b=Block(stone,cacti,bush)
-road_x=0
-bg_x=0
+block_list = pygame.sprite.Group()
+road_x = 0
+bg_x = 0
+time = 0
 
 while True:
     for event in pygame.event.get():
@@ -71,10 +72,18 @@ while True:
         if a>4:
             a=0
     screen.blit(wukong, (150, y))
-    if b.rect.x<0-b.rect.width:
-        b=Block(stone,cacti,bush)
-    screen.blit(b.image,(b.rect.x,b.rect.y))
-    b.rect.x-=8
+    time += 1
+    if time >= 60:
+        time = 0
+        num = random.randint(0,50)
+        if num > 20:
+            b = Block(stone,cacti,bush)
+            block_list.add(b)
+    for sprite in block_list:
+        sprite.rect.x -= 8
+        screen.blit(sprite.image,(sprite.rect.x,sprite.rect.y))
+        if sprite.rect.x < 0 - sprite.rect.width:
+            sprite.kill()
     # 刷新画面
     pygame.display.update()
     FPS.tick(60)
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