save project

snake.py

 import pygame
 import pygame
+import random
 from pygame import locals
 from pygame import locals
 pygame.init()
 pygame.init()
-
-# 创建一个窗口
 screen = pygame.display.set_mode((660, 480))
 screen = pygame.display.set_mode((660, 480))
-FPSCLOCK = pygame.time.Clock()  # pygame时钟，控制游戏速度（帧数）
-
-# 背景
+FPSCLOCK = pygame.time.Clock()
 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
-
+right = pygame.image.load('right.png')
+food = pygame.image.load('apple.png')
+body = pygame.image.load('body.png')
+left = pygame.image.load('left.png')
+up = pygame.image.load('up.png')
+down = pygame.image.load('down.png')
 x, y = 240, 120
 x, y = 240, 120
-position = [(180, 90), (180, 120), (210, 120), (x, y)]
-
-setheading = "right"
-snake_head = right
-
+x1,y1=360,270
+lb= [(180, 90), (180, 120), (210, 120), (x, y)]
+zx= "right"
+cx= right
 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.type == locals.KEYDOWN:
-            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
-
-    # 设置贪吃蛇的头部坐标
-    if setheading == "right":
+            if event.key == locals.K_RIGHT and zx != "left":
+                zx = 'right'
+                cx = right
+            if event.key == locals.K_LEFT and zx != "right":
+                zx = 'left'
+                cx = left
+            if event.key == locals.K_UP and zx != "down":
+                zx = 'up'
+                cx = up
+            if event.key == locals.K_DOWN and zx != "up":
+                zx = 'down'
+                cx = down
+    if zx == "right":
         x += 30
         x += 30
-    elif setheading == "left":
+    elif zx == "left":
         x -= 30
         x -= 30
-    elif setheading == "up":
+    elif zx == "up":
         y -= 30
         y -= 30
     else:
     else:
         y += 30
         y += 30
-    position.append((x, y))
-    position.pop(0)
-    # 将背景图画上去
+    lb.append((x, y))
+    if x==x1 and y==y1:
+        xx=random.randint(1,22)
+        yy=random.randint(1,16)
+        x1=30*xx-30
+        y1=30*yy-30
+    else:
+        lb.pop(0)
     screen.blit(background, (0, 0))
     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
+    screen.blit(cx, lb[-1])
+    for i in range(len(lb)-1):
+        screen.blit(body, lb[i])
+    screen.blit(food, (x1, y1))
     pygame.display.update()
     pygame.display.update()
     FPSCLOCK.tick(3)
     FPSCLOCK.tick(3)
\ No newline at end of file