save project

my_game.py

@@ -18,6 +18,7 @@ index = 0
 p=hero[index]
 y=400
 jump="running"
+t=30
 while True:
     for event in pygame.event.get():
         if event.type == locals.QUIT:
@@ -27,15 +28,19 @@ while True:
             if event.key == locals.K_SPACE:
                 jump="up"
     if jump == "up":
-        if y>150:
-            y-=5
+        if t>0:
+            y-=t
+            t-=2
         else:
             jump = "down"
+    
     if jump == "down":
-        if y<400:
-            y+=5
+        if t<=30:
+            y+=t
+            t+=2
         else:
             jump="running"
+            t=30
     
     # 将背景图画上去
     screen.blit(background, (0, 0))