save project

my_game.py

@@ -26,6 +26,7 @@ z=random.choice([stone,cacti,apple])
 rect=z.get_rect()
 rect.x=1000
 rect.y=500-rect.height
+t=30
 while True:
     for event in pygame.event.get():
         if event.type == locals.QUIT:
@@ -37,13 +38,15 @@ while True:
                     
                     jumpstate="up"
     if jumpstate=="up":
-        if y>150:
-            y=y-5
+        if t>0:
+            y-=t
+            t=t-2
         else:
             jumpstate="down"
     if jumpstate=="down":
-        if y<400:
-            y=y+5
+        if t<=30:
+            y+=t
+            t+=2
         else:
             jumpstate="runing"
                 
@@ -52,7 +55,7 @@ while True:
         m=m+1
         if m>4:
             m=0
-
+        t=30
     # 将背景图画上去
     screen.blit(background, (0, 0))
     screen.blit(road, (0, 500))