save project

my_game.py

 import pygame
 from pygame import locals
+import random
 
 pygame.init()  # 初始化
 # 创建一个窗口
@@ -12,30 +13,71 @@ 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 
+y = 300
+jumpState = "running"
+t = 30
+bg_x = 0
+road_x = 0
+obstacle = random.choice([bush,cacti,stone])
+rect = obstacle.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()
+        if event.type == locals.KEYDOWN:
+            if jumpState == "running":
+                if event.key == locals.K_SPACE:
+                    jumpState = "up"
 
-
+    if jumpState=="up":
+        if t>0 :
+            y -=t
+            t-=2
+        else:
+            jumpState = "down"
+    if jumpState == "down":
+       if t<=30:
+           y+=t
+           t += 2
+       else:
+           jumpState= "running" 
     sb = hero[index]
+    if jumpState == "running":
         index += 1
+        if index >= 5:
+            index = 0
 
-    if index > 4:
-        index=0
     # 将背景图画上去
-    screen.blit(background, (0, 0))
+    #+++++++++
+    bg_x -= 1
+    if bg_x<=1000:
+        bg_x = 0
+    screen.blit(background, (bg_x, 0))
+    road_x -= 8
+    if road_x<=-1000:
+        road_x = 0
     screen.blit(road, (0, 500))
-    screen.blit(sb, (150, 400))
+    screen.blit(sb, (150, y))
+
+
+    if rect.x <= 0-rect.width:
+        obstacle = random.choice([bush,cacti,stone])
+        rect = obstacle.get_rect()
+        rect.x = 1000
+        rect.y = 500 - rect.height
+    rect.x -= 8
+    screen.blit(obstacle,(rect.x,rect.y))
     # 刷新画面
     pygame.display.update()
     FPS.tick(30)
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