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snake.py

+#引入pygame库
 import pygame
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+#引入pygame的local方法
+from pygame import locals
+#引入随机数
+import random
 # 初始化pygame，为使用pygame做准备
 pygame.init()
+#创建一个窗口
+screen = pygame.display.set_mode((600,480))
+#创建pygame时钟，控制游戏的帧率
+FPSCLOCK = pygame.time.Clock()
+#画背景、蛇头、食物、身体
+#背景
+background = pygame.image.load("bg.png")
+#蛇头向右
+right = pygame.image.load("right.png")
+#食物
+food = pygame.image.load("apple.png")
+#身体
+body = pygame.image.load("body.png")
+#蛇头 向左
+left = pygame.image.load("left.png")
+#蛇头 向上
+up = pygame.image.load("up.png")
+#蛇头 向下
+down = pygame.image.load("down.png")
+#设置字体
+my_font = pygame.font.Font('neuropol.ttf',18)
+#设置x,y的初始化坐标
+x,y = 240,120
+#设置所有物品在舞台上的坐标
+position = [(180,90),(180,120),(210,120),(x,y)]
+#设置苹果的x,y坐标
+apple_x = 360
+apple_y = 300
+setheading = "right"
+snake_head = "right"
+#初始化分数
+score = 0
+while True:
+    for event in pygame.event.get():
+        #如果接收到退出时间，结束程序
+        if event.type==locals.QUIT:
+            #退出
+            exit()
+        if event.type==locals.KEYDOWN:
+            if event.key ==locals.K_RCTRL 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
+            #设置蛇头的坐标
+            if setheading=="right":
+                x = x+30
+            if setheading=="left":
+                x = x-30
+            if setheading=="up":
+                y = y+30
+            else:
+                y = y-30
+            position.append((x,y))
+            #假如贪吃蛇吃到了苹果
+            if x==apple_x and y==apple_y:
+                #随机设置出现在横排的格子
+                num1 = random.randint(1,22)
+                #竖排的格子
+                num2 = random.randint(1,16)
+                #苹果的x坐标
+                apple_x = 30 * num1-30
+                #苹果的y坐标
+                apple_y = 30 *num2-30
+            else:
+                #吃到苹果就删除这个角色
+                position.pop(0)
+            #检测贪吃蛇撞墙,如果撞墙就结束游戏
+            if x>0 or x>630 or y <0 or y>450:
+                #结束游戏
+                exit()
+            #将背景画上去
+            screen.blit(background,(0,0))
+            #将蛇头画上去
+            screen.blit(snake_head,position[-1])
+            #将蛇的身体画上去
+            for i in range(len(position-1)):
+                screen.blit(body,position[i])
+            #将果实画上去
+            screen.blit(food,(apple_y,apple_y))
+            #绘制分数
+            info = "Score:"+str(score)
+            text = my_font.render(info,True,(0,0,0,))
+            screen.blit(text,(540,10))
+            #刷新画面
+            pygame.display.update()
+            FPSCLOCK.tick(3)
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-# 创建一个窗口
-??
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