save project

snake.py

-import pygame
+import pygame,random
 from pygame import locals
 from pygame import locals
-
-# 初始化pygame，为使用硬件做准备
+# 初始化pygame，为使用pygame做准备
 pygame.init()
 pygame.init()
-
-# 创建一个窗口
-screen = pygame.display.set_mode((660, 480))
-FPSCLOCK = pygame.time.Clock()  # pygame时钟，控制游戏速度（帧数）
-
-# 背景
 background = pygame.image.load('bg.png')
 background = pygame.image.load('bg.png')
-right = pygame.image.load('right.png')      # 头 朝右
-food = pygame.image.load('apple.png')       # 食物 苹果
-body = pygame.image.load('body.png')        # 身体
-left = pygame.image.load('left.png')        # 头 朝左
-up = pygame.image.load('up.png')            # 头 朝上
-down = pygame.image.load('down.png')        # 头 朝下
-
-x, y = 240, 120
-position = [(180, 90), (180, 120), (210, 120), (x, y)]
-
-setheading = "right"
+right= pygame.image.load('right.png')
+food = pygame.image.load('apple.png')
+body = pygame.image.load('body.png')
+down = pygame.image.load('down.png')
+up = pygame.image.load('up.png')
+left = pygame.image.load('left.png')
+setheading = 'right'
 snake_head = right
 snake_head = right
-
+apple_x = 360
+apple_y = 300
+# 创建一个窗口
+screen=pygame.display.set_mode((660,480))
+FPSCLOCK = pygame.time.Clock()
+x,y=240,120
+pos=[(180,90),(180,120),(210,120),(x,y)]
 while True:
 while True:
     for event in pygame.event.get():
     for event in pygame.event.get():
         if event.type == locals.QUIT:
         if event.type == locals.QUIT:
-            # 接收到退出事件后退出程序
             exit()
             exit()
-        if event.type == locals.KEYDOWN:
-            if event.key == locals.K_RIGHT and setheading != "left":
+        if event.type==locals.KEYDOWN:
+            if event.key == locals.K_RIGHT and setheading != 'left' :
                 setheading = 'right'
                 setheading = 'right'
                 snake_head = right
                 snake_head = right
-            if event.key == locals.K_LEFT and setheading != "right":
+                
+            if event.key == locals.K_LEFT and setheading != 'right' :
                 setheading = 'left'
                 setheading = 'left'
                 snake_head = left
                 snake_head = left
-            if event.key == locals.K_UP and setheading != "down":
+                
+            if event.key == locals.K_UP and setheading != 'down' :
                 setheading = 'up'
                 setheading = 'up'
                 snake_head = up
                 snake_head = up
-            if event.key == locals.K_DOWN and setheading != "up":
+                
+            if event.key == locals.K_DOWN and setheading != 'UP' :            
                 setheading = 'down'
                 setheading = 'down'
                 snake_head = down
                 snake_head = down
+    if setheading == "right":    
+        x+=30
+    elif setheading == "left":    
+        x-=30  
+    elif setheading == "up":    
+        y-=30
+    elif setheading == "down":    
+        y+=30
+    if (x,y)==(apple_x,apple_y):
+        apple_x = 30*random.randint(0,20)
+        apple_y = 30*random.randint(0,16)
+    else:   
+        pos.pop(0)
+    pos.append((x,y))        
+    screen.blit(background,(0,0))
+    screen.blit(snake_head,pos[-1])
+    screen.blit(food,(apple_x,apple_y))
+    for i in pos[0:-1]:
+        screen.blit(body,i)
+    pygame.display.update()
+    FPSCLOCK.tick(3)
 
 
-    # 设置贪吃蛇的头部坐标
-    if setheading == "right":
-        x += 30
-    elif setheading == "left":
-        x -= 30
-    elif setheading == "up":
-        y -= 30
-    else:
-        y += 30
-    position.append((x, y))
-    position.pop(0)
-    # 将背景图画上去
-    screen.blit(background, (0, 0))
-    # 将贪吃蛇的头画上去
-    screen.blit(snake_head, position[-1])
-    # 将贪吃蛇的身体画上去
-    for i in range(len(position)-1):
-        screen.blit(body, position[i])
+    
 
 
-    # 将果实画上去
-    screen.blit(food, (360, 300))
-    # 刷新画面
-    pygame.display.update()
-    FPSCLOCK.tick(3)
+
+
+            
+        
\ No newline at end of file
\ No newline at end of file