save project

my_game.py

@@ -18,15 +18,20 @@ hero = [pygame.image.load('hero1.png'),
         pygame.image.load('hero3.png'),
         pygame.image.load('hero4.png'),
         pygame.image.load('hero5.png')]
+class Block(pygame.sprite.Sprite):
+    def __init__(self,stone,cacti,bush):
+        super().__init__()
+        self.image = random.choice([stone,cacti,bush])
+        self.rect = self.image.get_rect()
+        self.rect.x = 1000
+        self.rect.y = 500 - self.rect.height
 index = 0   
 y = 400
 jumpState = "runing"
 t = 30
-obstacle = random.choice([bush, stone, cacti])
-rect = obstacle.get_rect()
-rect.x = 1000
-rect.y = 500 - rect.height
-
+obstacle = Block(bush, stone, cacti)
+road_x = 0
+bg_x = 0
 while True:
     for event in pygame.event.get():
         if event.type == locals.QUIT:
@@ -58,18 +63,21 @@ while True:
         if index >= 5:
             index = 0
     # 将背景图画上去
-    screen.blit(background, (0, 0))     # 远处背景
-    screen.blit(road, (0, 500))     # 路
+    if bg_x <=-1000:
+        bg_x = 0
+    bg_x -= 2
+    screen.blit(background, (bg_x, 0))
+    if road_x <= -1000:
+        road_x = 0
+    road_x -=8     # 远处背景
+    screen.blit(road, (road_x, 500))     # 路
     screen.blit(wukong, (150, y))     # 悟空
 
-    if rect.x <= 0-rect.width:      # 障碍物消失
+    if obstacle.rect.x <= 0-obstacle.rect.width:      # 障碍物消失
         # 创建障碍物对象
-        obstacle = random.choice([bush,stone,cacti])
-        rect = obstacle.get_rect()
-        rect.x = 1000
-        rect.y = 500 - rect.height
-    rect.x -= 8
-    screen.blit(obstacle, (rect.x, rect.y)) 
+        obstacle = Block(bush,stone,cacti)
+    obstacle.rect.x -= 8
+    screen.blit(obstacle.image, (obstacle.rect.x,obstacle.rect.y)) 
     # 刷新画面
     pygame.display.update()
     FPS.tick(60)
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