save project

my_game.py

@@ -26,9 +26,10 @@ 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:
-                a="up"        
+        if event.type==locals.KEYDOWN:   
+            if a=="running":
+                if event.key==locals.K_SPACE:
+                    a="up"        
     if a=="up":
         if t>0:
              y-=t
@@ -36,22 +37,17 @@ while True:
         else:
             a="down"
     if a=="down":
-        if t<30:
+        if t<=30:
             y+=t
             t+=2
         else:
             a="running"
-
-            
-        
-            
-            
-
-
+            t=30
     wukong=hero[index]
-    index+=1
-    if index>len(hero)-1:
-        index=0
+    if a=="running":
+        index+=1 
+        if index>len(hero)-1:
+            index=0
 
     # 将背景图画上去
     screen.blit(background, (0, 0))