Code

import turtle

wn = turtle.Screen()

wn.title("Pong Projekt")

wn.bgcolor("black")

wn.setup(width=800, height=600)

wn.tracer(0)

# score

score_1 = 0

score_2 = 0

# Paddle 1

paddle_1 = turtle.Turtle()

paddle_1.speed(0)

paddle_1.shape("square")

paddle_1.color("blue")

paddle_1.shapesize(stretch_wid=5, stretch_len=1)

paddle_1.penup()

paddle_1.goto(-350, 0)

# Paddle 2

paddle_2 = turtle.Turtle()

paddle_2.speed(0)

paddle_2.shape("square")

paddle_2.color("yellow")

paddle_2.shapesize(stretch_wid=5, stretch_len=1)

paddle_2.penup()

paddle_2.goto(350, 0)

# Ball

ball = turtle.Turtle()

ball.speed(0)

ball.shape("circle")

ball.color("red")

ball.penup()

ball.goto(0, 0)

ball.dx = 0.3

ball.dy = -0.3

# Pen

pen = turtle.Turtle()

pen.speed(0)

pen.color("white")

pen.penup()

pen.hideturtle()

pen.goto(0, 260)

pen.write("Player A: 0 PlayerB: 0", align="center", font=("Courier", 24, "normal"))

# Function

def paddle_1_up():

    y = paddle_1.ycor()

    y += 20

    paddle_1.sety(y)

def paddle_1_down():

    y = paddle_1.ycor()

    y -= 20

    paddle_1.sety(y)

def paddle_2_up():

    y = paddle_2.ycor()

    y += 20

    paddle_2.sety(y)

def paddle_2_down():

    y = paddle_2.ycor()

    y -= 20

    paddle_2.sety(y)

# Keyboard binding

wn.listen()

wn.onkeypress(paddle_1_up, "w")    

wn.onkeypress(paddle_1_down, "s")

wn.onkeypress(paddle_1_up, "Up")    

wn.onkeypress(paddle_1_down, "Down")

wn.onkeypress(paddle_2_up, "a")    

wn.onkeypress(paddle_2_down, "d")

wn.onkeypress(paddle_2_up, "Up")    

wn.onkeypress(paddle_2_down, "Down")

# Main game loop

while True:

    wn.update()

    # Move the Ball

    ball.setx(ball.xcor() + ball.dx)

    ball.sety(ball.ycor() + ball.dy)

    # Border checking

    if ball.ycor() > 290:

        ball.sety(290)

        ball.dy *= -1

    if ball.ycor() < -290:

        ball.sety(-290)

        ball.dy *= -1

    if ball.xcor() > 390:

        ball.goto(0, 0)

        ball.dx *= -1

        score_1 += 1

        pen.clear()

        pen.write("Player A: {} PlayerB: {}".format(score_1, score_2), align="center", font=("Courier", 24, "normal"))

    if ball.xcor() < -390:

        ball.goto(0, 0)

        ball.dx *= -1

        score_2 += 1

        pen.clear()

        pen.write("Player A: {} PlayerB: {}".format(score_1, score_2), align="center", font=("Courier", 24, "normal"))

    # Paddle and ball collisions

    if (ball.xcor() > 340 and ball.xcor() < 350) and (ball.ycor() < paddle_2.ycor() + 40 and ball.ycor() > paddle_2.ycor() -40):

        ball.setx(340)

        ball.dx *= -1

    if (ball.xcor() < -340 and ball.xcor() > -350) and (ball.ycor() < paddle_1.ycor() + 40 and ball.ycor() > paddle_1.ycor() -40):

        ball.setx(-340)

        ball.dx *= -1