save project

my_game.py

@@ -14,18 +14,33 @@ apple = pygame.image.load('bush.png')      # 灌木丛
 hero = pygame.image.load('hero1.png')
 index = 0
 num = 0
+jumpState = 'running'
 herolist = ['hero1.png','hero2.png','hero3.png','hero4.png','hero5.png']
-
+y = 400
 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 event.key == locals.K_SPACE and jumpState != 'up':
+                jumpState = "up"
+    if jumpState == "up":       # 起跳
+        if y > 150:
+            y -= 40
+        else:
+            jumpState = "down"
+
+    if jumpState == "down":     # 起跳
+        if y < 400:
+            y += 40
+        else:
+            jumpState = "running"
 
     # 将背景图画上去
     screen.blit(background, (0, 0))
     screen.blit(road, (0, 500))
-    screen.blit(hero, (150, 400))
+    screen.blit(hero, (150, y))
     # 跑步效果
     hero = pygame.image.load(herolist[num])
     num += 1