save project

my_game.py

@@ -21,7 +21,7 @@ hero = [pygame.image.load('hero1.png'),
 index = 0 
 y=400
 JumpState='running'
-t=0
+t=30
 
 
 
@@ -42,24 +42,19 @@ while True:
         if index == 5:
             index = 0
     if JumpState == 'up':
-        if y>150:
-            t+=0.8
-            if t >=10:
-                t=10
+        if t >0:
+            t-=1.7
             y-=t
         else:
             y=150
-            t=0
             JumpState = 'down'
     if JumpState == 'down':
-        if y<400:
-            t+=0.8
-            if t >=10:
-                t=10
+        if t<30:
+            t+=2
             y+=t
         else:
-            t=400
-            t=0
+            y=400
+            t=30
             JumpState ='running'
 
     # 将背景图画上去