save project

my_game.py

@@ -27,7 +27,8 @@ index = 0
 y = 400
 jumpState = "runing"
 t = 30
-obstacle = Block(bush, stone, cacti)
+block_list=pygame.sprite.Group()
+time=0
 road_x = 0
 bg_x = 0
 while True:
@@ -74,12 +75,18 @@ while True:
     road_x -= 8
     if road_x <= -1000:
         road_x = 0
-
-    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
+        g=random.randint(0,5)
+        if g>2:
+            obstacle = Block(bush, stone, cacti)
+            block_list.add(obstacle)
+    for sprit in block_list:
+        sprit.rect.x-=8
+        screen.blit(sprit.image, (sprit.rect.x,sprit.rect.y)) 
+        if sprit.rect.x<=0-sprit.rect.width :
+            sprit.kill
     # 刷新画面
     pygame.display.update()
     FPS.tick(60)
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