save project

my_game.py

@@ -8,7 +8,7 @@ class Block(pygame.sprite.Sprite):
         self.rect=self.image.get_rect()
         self.rect.x=1000
         self.rect.y=500-self.rect.height
-
+time=0
 
 pygame.init()  # 初始化
 # 创建一个窗口
@@ -26,8 +26,8 @@ hero = [pygame.image.load('hero1.png'),
         pygame.image.load('hero3.png'),
         pygame.image.load('hero4.png'),
         pygame.image.load('hero5.png')]
-obstacle=Block(bush,cacti,stone)
 
+block_list=pygame.sprite.Group()
 
 index = 0   
 y = 400
@@ -78,12 +78,18 @@ while True:
     screen.blit(background, (bg_x, 0))     # 远处背景
     screen.blit(road, (road_x, 500))     # 路
     screen.blit(wukong, (150, y))     # 悟空
-
-    if obstacle.rect.x <= 0-obstacle.rect.width:      # 障碍物消失
-        # 创建障碍物对象
-        obstacle = Block(bush,stone,cacti)
-    obstacle.rect.x-=8
-    screen.blit(obstacle.image, (obstacle.rect.x,obstacle.rect.y)) 
+    time+=1
+    if time>=60:
+        time=0
+        num=random.randint(0,50)
+        if num>20:
+            obstacle=Block(bush,cacti,stone)
+            block_list.add(obstacle)
+    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)
\ No newline at end of file