pinpon_game

python

import tkinter
import random
import time

tk=tkinter.Tk()

tk.title("Game") #窗口名稱
tk.resizable(0,0) #表示畫面大小不能被拉
tk.wm_attributes("-topmost",1) #視窗移到最上層
canvas=tkinter.Canvas(tk,width=700,height=700,bd=0) 
#大小,邊框厚度為0

canvas.pack() 
tk.update()

class Ball:
    def __init__(self, canvas,paddle,color):
        self.canvas = canvas
        self.id=canvas.create_oval(50,50,75,75,fill=color)
        self.paddle=paddle
        self.canvas.move(self.id,290,100)
        
        starts=[-3,-2,-1,1,2,3]
        random.shuffle(starts)
        self.x=starts[0]
        self.y=-3

        self.canvas_height=self.canvas.winfo_height()
        self.canvas_width=self.canvas.winfo_width()     
        self.hit_button=False

    def hit_paddle(self,pos):
        paddle_pos=self.canvas.coords(self.paddle.id)
        if pos[2]>=paddle_pos[0] and pos[0]<=paddle_pos[2]:
            if pos[3]>=paddle_pos[1] and pos[3]<=paddle_pos[3]:
                return True
        return False


    def draw(self):
        self.canvas.move(self.id,self.x,self.y)
        pos=self.canvas.coords(self.id)
        if pos[1]<=0:
            self.y=3
        if pos[3] >=self.canvas_height:
            self.y=-3
        if self.hit_paddle(pos)==True:
            self.y=-3
        if pos[0]<=0:
            self.x=3
        if pos[2] >=self.canvas_height:
            self.x=-3



class Paddle:
    def __init__(self, canvas, color):
        self.canvas=canvas
        self.id=canvas.create_rectangle(0,0,200,20,fill=color)
        self.canvas.move(self.id,250,500)
        self.x=0
        self.canvas_width=self.canvas.winfo_width()
        self.canvas.bind_all('<KeyPress-Left>',self.trun_left)
        self.canvas.bind_all('<KeyPress-Right>',self.trun_right)        
    def draw(self):
        self.canvas.move(self.id,self.x,0)
        pos=self.canvas.coords(self.id)
        if pos[0]<=0:
            self.x=0
        if pos[2]>= self.canvas_width:
            self.x=0



                
    def trun_left(self,evt):
        self.x=-2
    def trun_right(self,evt):
        self.x=2


paddle=Paddle(canvas,'blue')
ball=Ball(canvas,paddle,'red')

while True: 
    ball.draw()
    paddle.draw()
    tk.update_idletasks()
    tk.update()
    time.sleep(0.02)