save project

my_game.py

@@ -19,6 +19,7 @@ hero = [pygame.image.load('hero1.png'),
 index = 0 
 y=400
 A=1
+t=30
 
 while True:
     for event in pygame.event.get():
@@ -28,22 +29,27 @@ while True:
     
         if event.type ==locals.KEYDOWN:
             if event.key == locals.K_SPACE:
-                A=2
+                if A==1:
+                    A=2
     if A==2:
-        if y>150:
-            y-=5
+        if t>0:
+            y-=t
+            t-=2
         else:
             A=3
     if A==3:
-        if y<400:
-            y+=5
+        if t<=30:
+            y+=t
+            t+=2
         else:
             A=1
+            t=30
 
     wokong=hero[index]
-    index+=1
-    if index==5:
-        index=0
+    if A==1:
+        index+=1
+        if index==5:
+            index=0
     # 将背景图画上去
     screen.blit(background, (0, 0))
     screen.blit(road, (0, 500))