save project

my_game.py

@@ -25,10 +25,11 @@ while True:
         if event.type == locals.QUIT:
             # 接收到退出事件后退出程序
             exit()
-
         if event.type==locals.KEYDOWN:
-            if event.key==locals.K_SPACE:
-                jump="UP"
+            if jump=="running":
+                if event.key==locals.K_SPACE:
+                    jump="UP"
+
     if jump=="UP":
         if t>0:
             y-=t
@@ -36,7 +37,7 @@ while True:
         else:
             jump="down"
     if jump=="down":
-        if t<30:
+        if t<=30:
             y+=t
             t+=2
         else:
@@ -45,9 +46,10 @@ while True:
     # 将背景图画上去
     screen.blit(background, (0, 0))
     screen.blit(road, (0, 500))
-    Q+=1
-    if Q>4:
-        Q=0
+    if jump=="running":
+        Q+=1
+        if Q>4:
+            Q=0
     screen.blit(hero[Q], (150, y))
     # 刷新画面
     pygame.display.update()