save project

lesson8-diy1.py

@@ -21,7 +21,7 @@ hero = [pygame.image.load('hero1.png'),
 class Block(pygame.sprite.Sprite):
     def __init__(self,image1,image2,image3):
         super().__init__()
-        self.image=random.choice([image1,image2,image2])
+        self.image=random.choice([image1,image2,image3])
         self.rect=self.image.get_rect()
         self.rect.x=1000
         self.rect.y=500-self.rect.height
@@ -34,9 +34,9 @@ bg_x = 0
 road_x = 0
 # +++++++++++++++++++++++
 obstacle=Block(bush, stone, cacti)
-
-
-
+block_list=pygame.sprite.Group()
+time=0
+num=0 
 while True:
     for event in pygame.event.get():
         if event.type == locals.QUIT:
@@ -69,22 +69,28 @@ while True:
             index = 0
     # 将背景图画上去
     # +++++++++++++++++++++++
-    bg_x -= 56
+    bg_x -= 30
     if bg_x<=-1000:
         bg_x = 0
     screen.blit(background, (bg_x, 0))
-    road_x -= 64
+    road_x -= 32
     if road_x<=-1000:
         road_x = 0
     screen.blit(road, (road_x, 500))
     # +++++++++++++++++++++++
     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(cacti, bush, stone)
-    obstacle.rect.x -= 64
-    screen.blit(obstacle.image, (obstacle.rect.x, obstacle.rect.y)) 
+    time+=1
+    if time > 30:
+        time=0
+        num=random.randint(0,50)
+        if num > 20:
+            
+        
+            obstacle=Block(cacti,bush, stone)
+            block_list.add(obstacle)
+    for sprite in block_list:
+        sprite.rect.x -= 32                      
+        screen.blit(sprite.image, (sprite.rect.x, sprite.rect.y)) 
     # 刷新画面
     pygame.display.update()
     FPS.tick(30)
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