save project

snake.py

@@ -2,36 +2,49 @@ import pygame
 from pygame import locals
 x=240
 y=120
+setheading='right'
+snake_head=right
 # 初始化pygame，为使用硬件做准备
 pygame.init()
 SC=pygame.time.Clock()
-screen=pygame.display.set_mode((1000,480))        
+screen=pygame.display.set_mode((800,480))        
 # 背景
 background = pygame.image.load('bg.png')
 right = pygame.image.load('right.png')
 food = pygame.image.load('apple.png')
 body = pygame.image.load('body.png')
+screen.blit(background, (0,0))
+        # 将贪吃蛇画上去
+      
 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()
-    x+=150
-    # 将背景图画上去
+        if event.type==locals.KEYDOWN:
+            if event.key==locals.K_LEFT and setheading !="right":
+                setheading="left"
+                snake_head=left
+            if event.key==locals.K_RIGHT and setheading !="left":
+                setheading="right"
+                snake_head=right
+            if event.key==locals.K_UP and setheading !="down":
+                setheading="up"
+                snake_head=up
+            if event.key==locals.K_DOWN and setheading !="up":
+                setheading="down"
+                snake_head=down
+    if setheading=="right": 
 
     screen.blit(background, (0,0))
-    # 将贪吃蛇画上去
-    screen.blit(right, (x,y))
-    # 将贪吃蛇的身体画上去
-    x-=30
-    screen.blit(body, (x,y))
-    x-=30
-    screen.blit(body, (x,y))
-    x-=30
-    screen.blit(body, (x,y))
-    x+=120
-    # 将果实画上去
-    screen.blit(food, (x,y))
-    # 刷新画面
+        # 将贪吃蛇画上去
+    screen.blit(right, (210,120))
+        # 将贪吃蛇的身体画上去
+    screen.blit(body, (180,120))
+    screen.blit(body, (150,120))
+    screen.blit(body, (120,120))
+        # 将果实画上去
+    screen.blit(food, (300,300))
+        # 刷新画面
     pygame.display.update()
-    SC.tick(9999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999)
\ No newline at end of file
+    SC.tick(3)  
\ No newline at end of file