python_snake

#!/usr/bin/env python3
from threading import Thread
from threading import Timer
from threading import Event
from threading import Lock
import tkinter as tk
import copy
import time
dird = {"Right":[1, 0], "Left":[-1, 0], "Up":[0, -1], "Down":[0, 1]}
class MyTimer(Thread):
    def __init__(self, interval, function, args=None, kwargs=None):
        Thread.__init__(self)
        self.interval = interval
        self.function = function
        self.args = args if args is not None else []
        self.kwargs = kwargs if kwargs is not None else {}
        self.finished = Event()
    def cancel(self):
        self.finished.set()
    def run(self):
        while not self.finished.is_set():
            self.finished.wait(self.interval)
            if not self.finished.is_set():
                self.function(*self.args, **self.kwargs)
    def set_interval(self, interval):
        self.interval = interval
class Snake():
    def __init__(self, map, id = 1, snake_pos = (0,0), snake_length = 3, dir = "Right", color = "black"):
        self.dir = dird[dir]
        self.id = id
        self.map = map
        self.color = color
        self.__initSnakeBody__(snake_pos, snake_length)
    def __initSnakeBody__(self, snake_pos, snake_length):
        self.body = []
        self.body.append(list(snake_pos))
        if snake_length < 2:
            snake_length = 2
        for i in range(1, snake_length, 1):
            self.add()
        self.map.setMapValue(self.body, self.id)
    def move(self, is_add = False):
        self.map.setMapValue(self.body, 0)
        if is_add == False:
            self.body.pop(0)
        self.add()
        self.map.setMapValue(self.body, self.id)
    def add(self, node = None):
        head = self.body[len(self.body) - 1]
        if not node:
            node = [head[0] + self.dir[0], head[1] + self.dir[1]]
        self.body.append(node)
    def isSnakeDead(self):
        return self.map.isSnakeDead(self.body, self.dir)
    def change_dir(self, newdir):
        newdir = dird[newdir]
        curdir = [self.body[-1][i]-self.body[-2][i] for i in range(2)]
        if curdir != newdir:
            self.dir = newdir
class Map(tk.Frame):
    def __init__(self, width = 100, height = 100, span = 5, bgcolor = "white"):
        self.root = tk.Tk()
        self.root.geometry(repr(width*span)+'x'+repr(height*span))
        super().__init__(self.root)
        self.bg = bgcolor
        self.width = width
        self.height = height
        self.span = span
        self.__initMap__()
        self.root.resizable(False, False)
    def __initMap__(self):
        self.cvs = tk.Canvas(self.root, width = self.width *self.span,
                             height = self.height * self.span, bg = self.bg)
        self.map = [[0]*self.width for i in range(self.height)]
        self.cvs.bind('<KeyPress>', self.__getKeyEvent)
        self.cvs.focus_set()
        self.cvs.grid(row=0, column=0, columnspan=self.width, rowspan=self.height)
    def drawRectangle(self, start, color):
        self.cvs.create_rectangle(start[0]*self.span, start[1]*self.span,
                                  (start[0]+1)*self.span, (start[1]+1)*self.span,
                                  fill = color, outline = self.bg)
    def createSnake(self):
        self.snake = Snake(self)
    def __getKeyEvent(self, event):
        print(event.keysym)
        self.snake.change_dir(event.keysym)
        pass
    def isSnakeDead(self, body, dir):
        head = body[len(body)-1]
        xpos = head[0]+dir[0]
        ypos = head[1]+dir[1]
        if xpos >= self.width or xpos < 0:
            return True
        elif ypos >= self.height or ypos < 0:
            return True
        elif self.map[xpos][ypos] != 0:
            return True
        return False
    def setMapValue(self, body, value, color = "black"):
        for n in body:
            self.map[n[0]][n[1]] = value
            if value != 0:
                self.drawRectangle(n, color)
            else:
                self.drawRectangle(n, self.bg)
    def moveSnake(self):
        self.snake.move()
        return False
    def mainloop(self):
        self.root.mainloop()
class GameClient(Thread):
    def __init__(self):
        super().__init__()
        self.map = Map()
        self.map.createSnake()
    def startGame(self):
        self.start()
        self.map.mainloop()
    def run(self):
        while(self.map.moveSnake() == False):
            #snake run
            time.sleep(1)
        else:
            print("snake dead")
            self.map.quit()
if __name__ == "__main__":
    game = GameClient()
    game.startGame()