save project

my_game.py

@@ -19,6 +19,7 @@ hero = [pygame.image.load('hero1.png'),
 index = 0 
 y=400
 jnmp='runing'
+t=30
 
 while True:
     for event in pygame.event.get():
@@ -26,23 +27,28 @@ 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:
-                jnmp='up'
+            if jnmp=='runing':
+                if event.key==locals.K_SPACE:
+                    jnmp='up'
     if jnmp=='up':
-        if y>150:
-            y-=5
+        if t>0:
+            y-=t
+            t-=2
         else:
             jnmp='dowm'
 
     if jnmp=='dowm':
-        if y<400:
-            y+=5
+        if t<=30:
+            y+=t
+            t+=2
         else:
             jnmp='runing'
+            t=30
     op=hero[index]
-    index+=1
-    if index==5:
-        index=0
+    if jnmp =='runing':
+        index+=1
+        if index==5:
+            index=0
     # 将背景图画上去
     screen.blit(background, (0, 0))
     screen.blit(road, (0, 500))