save project

my_game.py

@@ -30,30 +30,34 @@ 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:
+            if event.key == locals.K_SPACE and jumps == "running":
                 jumps="up"
     if jumps=="up":
-        if t>=0:
+        if t>=0 :
             y-=t
             t-=2
         else:
+                
             jumps="down"
     if jumps=="down":
-        if t<=30:
+        
+        if y<400:
             y+=t
             t+=2
 
         else:
             jumps="running"
             t=30
+    if jumps=="running":
+
     
          
 
-    index+=1
-    
-    if index==50:
-        index=0
-    b=a[index//10]
+        index+=1
+        
+        if index==50:
+            index=0
+        b=a[index//10]
     # 将背景图画上去
     screen.blit(background, (0, 0))
     screen.blit(road, (0, 500))