save project

my_game.py

@@ -37,10 +37,11 @@ t = 30
 
 bg_x = 0
 road_x = 0
+time = 0
 
-# 创建障碍物
-obstacle = Block(bush,cacti,stone)
 
+block_list = pygame.sprite.Group()
+# 创建障碍物
 while True:
     for event in pygame.event.get():
         if event.type == locals.QUIT:
@@ -82,12 +83,21 @@ while True:
     screen.blit(road, (road_x, 500))
     screen.blit(wukong, (150, y))     # 悟空
 
-# ++++++++++++++++++++++
-    if obstacle.rect.x <= 0-obstacle.rect.width:
-        obstacle = Block(bush,cacti,stone)
-    obstacle.rect.x -= 8
-# ++++++++++++++++++++++
-    screen.blit(obstacle.image, (obstacle.rect.x, obstacle.rect.y)) 
+
+    time += 1 
+    if time >= 60:
+        r = random.randint(0,100)
+        if r >40:
+            obstacle = Block(bush,cacti,stone)
+            block_list.add(obstacle)
+        time = 0
+    
+    for prop in block_list:
+        prop.rect.x -=8 
+        screen.blit(prop.image,(prop.rect.x,prop.rect.y))
+        if prop.rect.x<=0-prop.rect.width:
+            prop.kill()
+
     # 刷新画面
     pygame.display.update()
     FPS.tick(60)
\ No newline at end of file