save project

my_game.py

 import pygame
 from pygame import locals
-
+import random
+fast=int(input('输入速度：'))
 pygame.init()  # 初始化
 # 创建一个窗口
 screen = pygame.display.set_mode((1000, 600))
@@ -11,25 +12,62 @@ background = pygame.image.load('bg.png')    # 背景
 road = pygame.image.load('road.png')      # 路
 stone = pygame.image.load('stone.png')      # 石头
 cacti = pygame.image.load('cacti.png')      # 仙人掌
-apple = pygame.image.load('bush.png')      # 灌木丛
+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')]
 index = 0 
-
+t=30
+state='run'
+y=400
+ob=random.choice([bush,stone,cacti])
+rect=ob.get_rect()
+rect.x=1000
+rect.y=500-rect.height
 while True:
     for event in pygame.event.get():
         if event.type == locals.QUIT:
             # 接收到退出事件后退出程序
             exit()
-    for i in range(5):
-        w=hero[i]
+        if event.type == locals.KEYDOWN:
+            if state=='run':
+                if event.key == locals.K_SPACE:
+                    state='up'
+    if state == 'up':
+        if t > 0:
+            y -= t
+            t -= 2
+        else:
+            state = 'down'
+    if state == 'down':
+        if t <= 30:
+            y += t
+            t += 2
+        else:
+            state='run'
+            t = 30
+        
+    w=hero[index]
+    if state=='run':
+        index+=1
+        if index==5:
+            index=1
+    
+    
     # 将背景图画上去
     screen.blit(background, (0, 0))
     screen.blit(road, (0, 500))
-    screen.blit(w, (150, 400))
+    screen.blit(w, (150, y))
+    if rect.x<0-rect.width:
+        ob=random.choice([bush,stone,cacti])
+        rect=ob.get_rect()
+        rect.x=1000
+        rect.y=500-rect.height
+    rect.x-=8
     # 刷新画面
+    screen.blit(ob,(rect.x,rect.y))
     pygame.display.update()
-    FPS.tick(60)
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+    FPS.tick(fast)
+    
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