save project

snake.py

@@ -6,7 +6,7 @@ pygame.init()
 
 # 创建一个窗口
 screen = pygame.display.set_mode((660, 480))
-
+p=pygame.time.Clock()
 # 背景
 background = pygame.image.load('bg.png')
 right = pygame.image.load('right.png')
@@ -16,9 +16,9 @@ left= pygame.image.load('left.png')
 up= pygame.image.load('up.png')
 down= pygame.image.load('down.png')
 right_a='right'
-right_b='right'
+right_b=right
 x,y=240,120
-abab=[(210,120),(180,120),(180,90),(x,y)]
+abab=[(150,120),(180,120),(210,120),(x,y)]
 while True:
     for event in pygame.event.get():
         if event.type == locals.QUIT:
@@ -40,13 +40,14 @@ while True:
     if right_a=='right':
         x+=30
     if right_a=='left':
-        x+=30
+        x-=30
     if right_a=='up':
-        x+=30
+        y-=30
     if right_a=='down':
-        x+=30
-        abab.append((x,y))
-        abab.pop(0)
+        y+=30
+    x+=30
+    abab.append((x,y))
+    abab.pop(0)
     # 将背景图画上去
     screen.blit(background, (0, 0))
     # 将贪吃蛇画上去
@@ -60,4 +61,5 @@ while True:
     # 将果实画上去
     screen.blit(food, (360, 300))
     # 刷新画面
-    pygame.display.update()
\ No newline at end of file
+    pygame.display.update()
+    p.tick(2)
\ No newline at end of file