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文件大小: 4kb
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上传时间: 2014-01-28
详细说明： 用黄色方格代表蛇身，简易的小游戏。原文件：#!/usr/bin/python from Tkinter import * import random class snake(Frame): def __init__(self, master=None): Frame.__init__(self, master) self.body = [(0,0)] self.bodyid = [] self.food = [ -1, -1 ] self.foodid = -1 self.gridcount = 10 self.size = 500 self.di = 3 self.speed = 500 self.top = self.winfo_toplevel() self.top.resizab le(False, False) self.grid() self.canvas = Canvas(self) self.canvas.grid() self.canvas.config(width=self.size, height=self.size,relief=RIDGE) self.drawgrid() s = self.size/self.gridcount id = self.canvas.create_rectangle(self.body[0][0]*s,self.body[0][1]*s, (self.body[0][0]+1)*s, (self.body[0][1]+1)*s, fill="yellow") self.bodyid.insert(0, id) self.bind_all("", self.keyrelease) self.drawfood() self.after(self.speed, self.drawsnake) def drawgrid(self): s = self.size/self.gridcount for i in range(0, self.gridcount+1): self.canvas.create_line(i*s, 0, i*s, self.size) self.canvas.create_line(0, i*s, self.size, i*s) def drawsnake(self): s = self.size/self.gridcount head = self.body[0] new = [head[0], head[1]] if self.di == 1: new[1] = (head[1]-1) % self.gridcount elif self.di == 2: new[0] = (head[0]+1) % self.gridcount elif self.di == 3: new[1] = (head[1]+1) % self.gridcount else: new[0] = (head[0]-1) % self.gridcount next = ( new[0], new[1] ) if next in self.body: exit() elif next == (self.food[0], self.food[1]): self.body.insert(0, next) self.bodyid.insert(0, self.foodid) self.drawfood() else: tail = self.body.pop() id = self.bodyid.pop() self.canvas.move(id, (next[0]-tail[0])*s, (next[1]-tail[1])*s) self.body.insert(0, next) self.bodyid.insert(0, id) self.after(self.speed, self.drawsnake) def drawfood(self): s = self.size/self.gridcount x = random.randrange(0, self.gridcount) y = random.randrange(0, self.gridcount) while (x, y) in self.body: x = random.randrange(0, self.gridcount) y = random.randrange(0, self.gridcount) id = self.canvas.create_rectangle(x*s,y*s, (x+1)*s, (y+1)*s, fill="yellow") self.food[0] = x self.food[1] = y self.foodid = id def keyrelease(self, event): if event.keysym == "Up" and self.di != 3: self.di = 1 elif event.keysym == "Right" and self.di !=4: self.di = 2 elif event.keysym == "Down" and self.di != 1: self.di = 3 elif event.keysym == "Left" and self.di != 2: self.di = 4 app = snake() app.master.title("Greedy Snake") app.mainloop() ...展开收缩
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