save project

snake.py

@@ -3,22 +3,50 @@ from pygame import locals
 
 # 初始化pygame，为使用硬件做准备
 pygame.init()
-x,y=240,120
+x,y=240,150
 # 创建一个窗口
 screen = pygame.display.set_mode((660, 480))
-b=[(270,150),(270,120),(x,y)]
+b=[(300,150),(270,150),(x,y)]
 # 背景
 background = pygame.image.load('bg.png')
-right = pygame.image.load('right.png')
+ri = pygame.image.load('right.png')
+le = pygame.image.load('left.png')
+up = pygame.image.load('up.png')
+do = pygame.image.load('down.png')
 food = pygame.image.load('apple.png')
+c="right"
+d=right
 a=pygame.time.Clock()
 while True:
     for event in pygame.event.get():
         if event.type == locals.QUIT:
             # 接收到退出事件后退出程序
             exit()
-    # 将背景图画上去\
+        if event.type==locals.KEYDOWN:
+            if event.key==locals.K_w and c!="down":
+                c="up"
+                d=up
+        if event.type==locals.KEYDOWN:
+            if event.key==locals.K_s and c!="up":
+                c="down"
+                d=do
+        if event.type==locals.KEYDOWN:
+            if event.key==locals.K_w and c!="left":
+                c="right"
+                d=ri
+        if event.type==locals.KEYDOWN:
+            if event.key==locals.K_w and c!="right":
+                c="left"
+                d=le
+        if c=="left":
             x+=30
+        if c=="right":
+            x-=30
+        if c=="up":
+            y-=30
+        else 
+            y+=30
+    # 将背景图画上去\
     b.append((x,y))
     b.pop(0)
     screen.blit(background, (0, 0))