save project

snake.py

@@ -5,21 +5,46 @@ screen = pygame.display.set_mode((660, 480))
 e=pygame.time.Clock()
 background = pygame.image.load('bg.png')
 right = pygame.image.load('right.png')
+left = pygame.image.load('left.png')
+up = pygame.image.load('up.png')
+down = pygame.image.load('down.png')
 food = pygame.image.load('apple.png')
 body = pygame.image.load('body.png')
+zx='right'
+cx=right
 x,y=240,120
 lb=[(180,90),(180,120),(210,120),(x,y)]
 while True:
     for event in pygame.event.get():
         if event.type == locals.QUIT:
             exit()
+        elif event.type == locals.KEYDOWN:
+            if event.key == locals.K_UP and zx != 'down':
+                zx='up'
+                cx=up
+            if event.key == locals.K_DOWN and zx != 'up':
+                zx='down'
+                cx=down
+            if event.key == locals.K_LEFT and zx != 'right':
+                zx='left'
+                cx=left
+            if event.key == locals.K_RIGHT and zx != 'left': 
+                zx='right'
+                cx=right
+    if zx == 'right':
+        x+=30
+    elif zx == 'left':
+        x-=30
+    elif zx == 'up':
+        y-=30
+    else:
+        y+=30
+    lb.append((x,y))
+    lb.pop(0)
     screen.blit(background, (0, 0))
-    screen.blit(right, (x, y))
+    screen.blit(cx, (x, y))
     for i in range(len(lb)-1):
         screen.blit(body,lb[i])
     screen.blit(food, (360, 300))
-    x+=30
-    lb.append((x,y))
-    lb.pop(0)
     pygame.display.update()
     e.tick(3)
\ No newline at end of file

。.py

+import random
+import random