save project

my_game.py

@@ -40,13 +40,13 @@ while True:
     if jumpState == "up":    # 起跳状态
         if t > 0:
             y -= t
-            t -= 2
+            t -= 0.9
         else:
             jumpState = "down"  
     if jumpState == "down":    # 降落状态
         if t <= 30:
             y += t
-            t += 2
+            t += 0.9
         else:
             jumpState = "runing"
             t =30