save project

my_game.py

 import pygame
 from pygame import locals
-from random import *
+import random
 
 pygame.init()  # 初始化
+
+class Block(pygame.sprite.Sprite):
+    def __init__(self,image1,image2,image3):
+        super().__init__()
+        self.image = random.choice([image1,image2,image3])
+        self.rect = self.image.get_rect()
+        self.rect.x = 1000
+        self.rect.y = 500 - self.rect.height
+
+
 # 创建一个窗口
 screen = pygame.display.set_mode((1000, 600))
 FPS = pygame.time.Clock()  # pygame时钟，控制游戏速度（帧数）
@@ -14,10 +24,10 @@ stone = pygame.image.load('stone.png')      # 石头
 cacti = pygame.image.load('cacti.png')      # 仙人掌
 bush = pygame.image.load('bush.png')      # 灌木丛
 hero = [pygame.image.load('hero1.png'),
-        pygame.image.load('hero2.png'),
-        pygame.image.load('hero3.png'),
-        pygame.image.load('hero4.png'),
-        pygame.image.load('hero5.png')]
+     pygame.image.load('hero2.png'),
+     pygame.image.load('hero3.png'),
+     pygame.image.load('hero4.png'),
+     pygame.image.load('hero5.png')]
 index = 0
 y = 400
 jumpState = "running"
@@ -25,10 +35,7 @@ t = 30
 road_x = 0
 background_x = 0
 
-obstacle = choice([bush,stone,cacti])
-rect = obstacle.get_rect()
-rect.x = 1000
-rect.y = 500 - rect.height
+obstacle = Block(bush,stone,cacti)
       
 while True:
     for event in pygame.event.get():
@@ -65,18 +72,15 @@ while True:
     if road_x <= -1000:
         road_x = 0
     screen.blit(road, (road_x,500))
-    background_x -= 8
+    background_x -= 1
     if background_x <= -1000:
         background_x = 0
     screen.blit(wukong, (150, y))
 
-    if rect.x <= 0-rect.width:
-        obstacle = 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))
+    if obstacle.rect.x <= 0-obstacle.rect.width:
+        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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