Jan-30-2019, 07:02 PM
Beginner here. I can't figure out where I went wrong. Can someone help me?
Error:Python 3.6.3 (v3.6.3:2c5fed8, Oct 3 2017, 17:26:49) [MSC v.1900 32 bit (Intel)] on win32
Type "copyright", "credits" or "license()" for more information.
>>>
RESTART: C:\Users\Anthony\AppData\Local\Programs\Python\Python36-32\paddlebounce.py
Traceback (most recent call last):
File "C:\Users\Anthony\AppData\Local\Programs\Python\Python36-32\paddlebounce.py", line 77, in <module>
ball.draw()
File "C:\Users\Anthony\AppData\Local\Programs\Python\Python36-32\paddlebounce.py", line 24, in draw
if self.hit_paddle(pos) == True:
AttributeError: 'Ball' object has no attribute 'hit_paddle'
>>>
This is the code.from tkinter import * import random import time 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() 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_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 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, 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=500, height=400, bd=0, highlightthickness=0) canvas.pack() tk.update() paddle = Paddle(canvas, 'blue') ball = Ball(canvas, paddle, 'red') while 1: ball.draw() paddle.draw() tk.update_idletasks() tk.update() time.sleep(0.01)