save project

my_game.py

@@ -13,6 +13,7 @@ cacti = pygame.image.load('cacti.png')      # 仙人掌
 apple = 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 
+speed=30
 sport="running"
 pygame.display.set_caption("悟空酷跑")
 while True:
@@ -22,19 +23,23 @@ while True:
             exit()
         if event.type==locals.KEYDOWN:
             if event.key==locals.K_SPACE:
+                if sport !="up"and sport!= 'down':
                     sport="up"
     if sport=="up":
-        if y>150:
-            y-=5
+        if speed>0:
+
+            y-=speed
+            speed -= 2
         else:
             sport="down"
     if sport=="down":
-        if y<400:
-            y+=5
+        if speed<30:
+            speed+=2
+            y += speed
         else:
             sport="running"
-
-    
+            speed=30
+    if sport == 'running':
         index+=1
     if index >=len(hero):
         index=0