I cant move the paddle in this game and yes i am focused on the game screen when i press the left and right arrow. Also there is no error message. I am doing the bounce game from the python book. I didn't see anything wrong it.video of program In this video you can't see it but im pushing down the arrows.
import time
import random
from tkinter import *
class Ball:
def __init__(self, canvas, color):
self.canvas = canvas
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()
def draw(self):
self.canvas.move(self.id, self.x, self.y)
pos = self.canvas.coords(self.id)
if pos[1] <= 0:
self.y = 1
if pos[3] >= self.canvas_height:
self.y = -1
if pos[0] <= 0:
self.x = 3
if pos[2] >= self.canvas_width:
self.x = -3
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, 300)
self.x = 0
self.canvas_width = self.canvas.winfo_width()
self.canvas.bind_all('KeyPress-Left', self.turn_left)
self.canvas.bind_all('KeyPress-Right', self.turn_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
elif pos[2] >= self.canvas_width:
self.x = 0
def turn_left(self, evt):
self.x = -2
def turn_right(self, evt):
self.x = 2
tk = Tk()
tk.title("Game")
tk.resizable(0, 0)
tk.wm_attributes("-topmost", 1)
canvas = Canvas(tk, width=400, height=400, bd=0, highlightthickness=0)
canvas.pack()
tk.update()
paddle = Paddle(canvas, 'blue')
ball = Ball(canvas, 'red')
while 1:
ball.draw()
paddle.draw()
tk.update_idletasks()
tk.update()
time.sleep(0.01)