save project

snake.py

+import pygame
+from pygame import locals
+import random
+# 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')
+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')
+my_font = pygame.font.Font("neuropol.ttf",18)
+x = 240
+y = 120
+apple_x = 360
+apple_y = 300
+list = [(180,90),(180,120),(210,120),(x,y)]
+heading = 'right'
+score = 0
+while True:
+    for event in pygame.event.get():
+        if event.type == locals.KEYDOWN:
+            if event.key==locals.K_UP and heading != 'down':   #向上
+                heading='up'
+            if event.key==locals.K_LEFT and heading != 'right':        #向左
+                heading='left'
+            if event.key==locals.K_RIGHT and heading != 'left':     #向右
+                heading='right'
+            if event.key==locals.K_DOWN and heading != 'up':     #向下
+                heading='down'
+
+        if event.type == locals.QUIT:      
+            # 接收到退出事件后退出程序
+            exit()
+    # 将背景图画上去
+    screen.blit(background, (0, 0))
+    # 将贪吃蛇画上去
+    if heading=='up':
+        y-=30
+        if y<0:
+            y=480
+        if y>480:
+            y=0
+        if x>660:
+            x=0
+        if x<0:
+            x=660
+    if heading=='down':
+        y+=30
+        if y<0:
+            y=480
+        if y>480:
+            y=0
+        if x>660:
+            x=0
+        if x<0:
+            x=660
+    if heading=='right':
+        x+=30
+        if y<0:
+            y=480
+        if y>480:
+            y=0
+        if x>660:
+            x=0
+        if x<0:
+            x=660
+    if heading=='left':
+        x-=30
+        if y<0:
+            y=480
+        if y>480:
+            y=0
+        if x>660:
+            x=0
+        if x<0:
+            x=660
+    #增加坐标
+    if apple_x==x and apple_y==y: 
+        list.append((x,y))
+        list2=list
+    else:  
+        list.append((x,y))
+        list2=list
+        list.pop(0)
+    #判断头是否碰到身体
+    for i in range(len(list)-1):
+        if list[i]==(x,y):
+            exit()
+    #判断方向
+    if heading=='up':
+        screen.blit(up, (x, y))
+    if heading=='down':
+        screen.blit(down, (x, y))
+    if heading=='right':
+        screen.blit(right, (x, y))
+    if heading=='left':
+        screen.blit(left, (x, y))
+    # 将贪吃蛇的身体画上去
+    for cs in range(len(list)-1):
+        screen.blit(body, list[cs])
+    #贪吃蛇的头碰到苹果
+    if apple_x==x and apple_y==y:        
+        apple_x=random.randint(0,21)*30
+        apple_y=random.randint(0,15)*30
+        score+=5
+    if (apple_x,apple_y) in list:
+        apple_x=random.randint(0,21)*30
+        apple_y=random.randint(0,15)*30
+
+    # print(list)      用于检测错误
+    # 将果实画上去
+    screen.blit(food, (apple_x, apple_y))
+    # 分数
+    info="score:" + str(score)
+    font=my_font.render(info,True,(0,0,0))
+    screen.blit(font,(540,10))
+    # 刷新画面
+    pygame.display.update()
+    zhenlv=len(list)/4
+    FPSCLOCK.tick(zhenlv+1)
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