save project

snake.py

@@ -6,45 +6,67 @@ pygame.init()
 
 # 创建一个窗口
 screen = pygame.display.set_mode((660, 480))
-
+k=pygame.time.Clock()
 # 背景
 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')
+x,y=240,120
+a=[(180, 90),(180, 120),(210, 120),(x,y)]
+apple_x=360
+apple_y=300
 score=0
-sethead="right"
+setheading="right"
 root=right
+import random
 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()
         if event.type==locals.KEYDOWN:
-            if event.key==locals.K_RIGHT and sethead!="left":
-                sethead='right'
+            if event.key==locals.K_RIGHT and setheading!="left":
+                setheading='right'
                 root=right
-            if event.key==locals.K_left and sethead!="right":
-                sethead='left'
+            if event.key==locals.K_LEFT and setheading!="right":
+                setheading='left'
                 root=left
-            if event.key==locals.K_up and sethead!="down":
-                sethead='up'
+            if event.key==locals.K_UP and setheading!="down":
+                setheading='up'
                 root=up
-            if event.key==locals.K_up and sethead!="up":
-                sethead='down'
+            if event.key==locals.K_DOWN and setheading!="up":
+                setheading='down'
                 root=down 
-    if w==right    
+    if setheading=="right":
+        x+=30
+    elif setheading=="lelf":
+        x-=30
+    elif setheading=="up":
+        y-=30
+    else:
+        y+=30
+    a.append((x,y))
+    if x==apple_x and y==apple_y:
+        b=random.randint(0,22)
+        c=random.randint(0,16)
+        apple_x=30*b
+        apple_y=30*c
+    else:
+        a.pop(0)
     # 将背景图画上去
     screen.blit(background, (0, 0))
     # 将贪吃蛇画上去
-    screen.blit(right, (240, 120))
+    screen.blit(root, (x,y))
     # 将贪吃蛇的身体画上去
-    screen.blit(body, (210, 120))
-    screen.blit(body, (180, 120))
-    screen.blit(body, (180, 90))
+    for i in range(len(a)-1):
+      screen.blit(body,a[i])  
     # 将果实画上去
     screen.blit(food, (360, 300))
     # 刷新画面
 
     pygame.display.update()
-    
\ No newline at end of file
+    k.tick(10)
\ No newline at end of file