@GrandMoff100/

Book Coding

Tkinter

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  • main.py
  • nohup.out
main.py
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from tkinter import *
import random

tk = Tk()
tk.title("Paddleball Game")
tk.resizable(0,0) # tk window cannot be resized in x or y
tk.wm_attributes("-topmost", 1)

canvas = Canvas(tk, width=500, height=400, bd=0, highlightthickness=0) #no borders around the canvas
canvas.pack()
tk.update()

class Ball:
    def __init__(self, canvas, paddle, color):
        self.canvas = canvas
        self.paddle = paddle
        self.id = canvas.create_rectangle(0, 0, 100, 10, 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

    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):
        if self.hit_bottom == False:

            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 pos[3] >= self.canvas_height:
                self.hit_bottom = False

            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

            if ball.hit_bottom == False:
                self.canvas.after(50, self.draw) # miliseconds, function

class Paddle:
    def __init__(self, canvas, color):
        self.canvas = canvas
        self.id = canvas.create_rectangle(0, 0, 0, 0, fill=color)
        self.canvas.move(self.id, 200, 300)

        self.x = 0

        self.canvas_width = self.canvas.winfo_width()

        self.canvas.bind_all("<KeyPress-Right>", self.turn_right)
        self.canvas.bind_all("<KeyPress-Left>", self.turn_left)



    def draw(self):
        if ball.hit_bottom == False:

            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

            self.canvas.after(10, self.draw)

    def turn_left(self, event):
        self.pos = self.canvas.coords(self.id)

        if self.pos[0] >= 1:
            self.x = -3

    def turn_right(self, event):
        self.pos = self.canvas.coords(self.id)

        if self.pos[2] <= self.canvas_width-1:
            self.x = 3

paddle = Paddle(canvas, "black")
ball = Ball(canvas, paddle, "black")


def start_game(event):
    ball.draw()

canvas.bind_all("<Button-1>", start_game)
paddle.draw()

tk.mainloop())