python簡單遊戲-反彈球

tkinter實現，直接貼上程式碼

from tkinter import*

import time

import random

class Ball:

    def __init__(self,canvas,paddle,color):

        self.canvas = canvas

        self.paddle = paddle

        self.id = canvas.create_oval(10,10,25,25,fill=color)

        self.canvas.move(self.id,245,100)

        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_bottom = False外匯跟單gendan5.com

    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 = 4

        if pos[3] >= self.canvas_height:

            self.hit_bottom=True

        if self.hit_paddle(pos)==True:

            self.y=-4

        if pos[0] <= 0:

            self.x = 4

        if pos[2] >= self.canvas_width:

            self.x = -4

class Paddle:

    def __init__(self,canvas,color):

        self.canvas = canvas

        self.id = canvas.create_rectangle(0,0,100,10,fill=color)

        self.canvas.move(self.id,200,400)

        self.x=0

        self.canvas_width = self.canvas.winfo_width()

        canvas.bind_all('<KeyPress-Left>',self.turn_left)

        canvas.bind_all('<KeyPress-Right>',self.turn_right)

        self.hit_bottom = False

    def draw(self):

        self.canvas.move(self.id,self.x,0)

        pos = self.canvas.coords(self.id)

        if pos[0] <= 0:

            self.x = 0

        elif pos[2] >= self.canvas_width:

            self.x = 0

    def turn_left(self,evt):

        self.x=-7

    def turn_right(self,evt):

        self.x=7 

        

tk = Tk()

tk.title("反彈吧！球球")

#tk.resizable(0,0)

tk.wm_attributes("-topmost",1)

canvas = Canvas(tk,width=650,height=600,bd=0,highlightthickness=0)

canvas.pack()

tk.update()

paddle=Paddle(canvas,'blue')

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

while 1:

    if ball.hit_bottom==False:

        ball.draw()

        paddle.draw()

    tk.update_idletasks()

    tk.update()

    time.sleep(0.01)

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