save project

my_game.py

@@ -20,6 +20,7 @@ hero = [pygame.image.load('hero1.png'),
 index = 0 
 jumpstart="running"
 y=400
+t=30
 
 while True:
     for event in pygame.event.get():
@@ -27,18 +28,23 @@ while True:
             # 接收到退出事件后退出程序
             exit()
         if event.type == locals.KEYDOWN:
-            if event.key == locals.K_SPACE:
-                jumpstart="up"
+            if jumpstart=="running":
+                if event.key == locals.K_SPACE:
+                    jumpstart="up"
     if jumpstart=="up":
-        if y>150:
-            y-=5
+        if t>0:
+            y-=t
+            t-=2 
         else:
             jumpstart="down"
     if jumpstart=="down":
-        if y<400:
-            y+=5
+        if t<30:
+            y+=t
+            t+=2
         else:
             jumpstart="running"
+            t=30
+            y=400
     wokong=hero[index]
     if jumpstart=="running":
         index+=1