save project

snake.py

 import pygame
 from pygame import locals
 
-# 初始化pygame，为使用硬件做准备
+
 pygame.init()
 
-# 创建一个窗口
+
 screen = pygame.display.set_mode((660, 480))
-FPSCLOCK=pygame.time.Clock()
+
+FPSCLOCK = pygame.time.Clock()  
 # 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')
-up= pygame.image.load('up.png')
-
-x,y=240,120
-postition=[(210,120),(180,120),(180,98),(x,y)]
+left = pygame.image.load('left.png')
+up = pygame.image.load('up.png')
+down = pygame.image.load('down.png')
 
-setheading="right"
-snake_head=right
+x, y = 240, 120
+position = [(180, 90), (180, 120), (210, 120), (x, y)]
 
+apple_x=360
+apple_y=300
+setheading = "right"
+snake_head = right
 
-postition.pop(0)
 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()
         elif event.type == locals.KEYDOWN:
-            if event.type == locals.K_UP and setheadingl="down":
-                setheading="up"
-                snake_head=up
-            if event.type == locals.K_UP and setheadingl="up":
-                setheading="down"
-                snake_head=down
-            if event.type == locals.K_UP and setheadingl="right":
-                setheading="right"
-                snake_head=right
-            if event.type == locals.K_UP and setheadingl="left":
-                setheading="left"
-                snake_head=left
-
-
-   
-            
-    x+=30
-    postition.append((x,y))
-    postition.pop(0)
-    # 将背景图画上去
+            if event.key == locals.K_RIGHT and setheading != "left":
+                setheading = 'right'
+                snake_head = right
+            if event.key == locals.K_LEFT and setheading != "right":
+                setheading = 'left'
+                snake_head = left
+            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":
+        x += 30
+    elif setheading == "left":
+        x -= 30
+    elif setheading == "up":
+        y -= 30
+    else:
+        y += 30
+    position.append((x, y))
+    if x==apple_x and y==apple_y:
+        apple_x=random.randint(0,660)
+        apple_y=random.randint(0,480)
+
+    position.pop(0)
+    
     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
-    screen.blit(body,postition[-1])
-
-    for i in range(len(postition)-1):
-        screen.blit(body,postition[i])
-    # 将果实画上去
+    
+    screen.blit(snake_head, position[-1])
+    
+    for i in range(len(position)-1):
+        screen.blit(body, position[i])
+
+    
     screen.blit(food, (360, 300))
-    # 刷新画面
+
     pygame.display.update()
     FPSCLOCK.tick(3)
+