save project

snake.py

-import pygame
+import pygame,random
 from pygame import locals
+from random import randint
 
 # 初始化pygame，为使用硬件做准备
 pygame.init()
@@ -22,6 +23,8 @@ position = [(180, 90), (180, 120), (210, 120), (x, y)]
 
 setheading = "right"
 snake_head = right
+xx=360
+yy=300
 
 while True:
     for event in pygame.event.get():
@@ -51,8 +54,14 @@ while True:
         y -= 30
     else:
         y += 30
+
+    if xx==x and yy==y:
+        xx=randint(0,21)*30
+        yy=randint(0,15)*30
+    else:
+        position.pop(0)
+        
     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
@@ -62,7 +71,7 @@ while True:
         screen.blit(body, position[i])
 
     # 将果实画上去
-    screen.blit(food, (360, 300))
+    screen.blit(food, (xx, yy))
     # 刷新画面
     pygame.display.update()
     FPSCLOCK.tick(3)
\ No newline at end of file

草稿.py

+import pygame
+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()
+# 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
+position=[(180,90),(180,120),(210,120),(x,y)]
+
+a='right'
+b=right
+
+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 a!='left':
+                a='right'
+            if event.key == locals.K_LEFT and a!='right':
+                a='left'
+            if event.key == locals.K_UP and a!='down':
+                a='up'
+            if event.key == locals.K_DOWN and a!='up':
+                a='down'
+
+    if a=='right':
+        x+=30
+        b=right
+    if a=='left':
+        x-=30
+        b=left
+    if a=='up':
+        y-=30
+        b=up
+    if a=='down':
+        y+=30
+        b=down
+
+    position.append((x,y))
+    position.pop(0)
+    # print(position)
+    # 将背景图画上去
+    screen.blit(background, (0, 0))
+    # 将贪吃蛇画上去
+    screen.blit(b,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