save project

snake.py

@@ -8,6 +8,7 @@ T=pygame.time.Clock()
 screen = pygame.display.set_mode((660, 480))
 
 
+
 # 背景
 background = pygame.image.load('bg.png')
 right = pygame.image.load('right.png')
@@ -15,6 +16,8 @@ food = pygame.image.load('apple.png')
 body = pygame.image.load('body.png')
 x,y=240,120
 
+sdf='right'
+
 asd=[(180, 90),(180, 120),(210, 120),(x, y)]
 
 while True:
@@ -22,8 +25,23 @@ while True:
         if event.type == locals.QUIT:
             # 接收到退出事件后退出程序
             exit()
-
+        elif event.type==locals.KEYDOWN:
+            if event.key==locals.K_RIGHT and sdf!='left':
+                sdf='right'
+            if event.key==locals.K_LEFT and sdf!='right':
+                sdf='left'
+            if event.key==locals.K_UP and sdf!='down':
+                sdf='up'
+            if event.key==locals.K_DOWN and sdf!='up':
+                sdf='down'
+    if sdf=='right':
         x=x+30
+    if sdf=='left':
+        x=x-30
+    if sdf=='up':
+        y=y-30
+    if sdf=='down':
+        y=y+30
 
     asd.append((x,y))
     asd.pop(0)