Python-pong

import turtle import os

wn = turtle.Screen() wn.title("Pong") wn.bgcolor("black") wn.setup(width=800, height=600) wn.tracer(0)

Score

score_a = 0 score_b = 0

Paddle A

paddle_a = turtle.Turtle() paddle_a.speed(0) paddle_a.shape("square") paddle_a.color("white") paddle_a.shapesize(stretch_wid=5,stretch_len=1) paddle_a.penup() paddle_a.goto(-350, 0)

Paddle B

paddle_b = turtle.Turtle() paddle_b.speed(0) paddle_b.shape("square") paddle_b.color("green") paddle_b.shapesize(stretch_wid=5,stretch_len=1) paddle_b.penup() paddle_b.goto(350, 0)

Ball

ball = turtle.Turtle() ball.speed(0) ball.shape("square") ball.color("brown") ball.penup() ball.goto(0, 0) ball.dx = 2 ball.dy = 2

Pen

pen = turtle.Turtle() pen.speed(0) pen.shape("square") pen.color("white") pen.penup() pen.hideturtle() pen.goto(0, 260) pen.write("Player A: 0 Player B: 0", align="center", font=("Courier", 24, "normal"))

Functions

def paddle_a_up(): y = paddle_a.ycor() y += 20 paddle_a.sety(y)

def paddle_a_down(): y = paddle_a.ycor() y -= 20 paddle_a.sety(y)

def paddle_b_up(): y = paddle_b.ycor() y += 20 paddle_b.sety(y)

def paddle_b_down(): y = paddle_b.ycor() y -= 20 paddle_b.sety(y)

Keyboard bindings

wn.listen() wn.onkeypress(paddle_a_up, "w") wn.onkeypress(paddle_a_down, "s") wn.onkeypress(paddle_b_up, "Up") wn.onkeypress(paddle_b_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

# Top and bottom
if ball.ycor() > 290:
    ball.sety(290)
    ball.dy *= -1
    os.system("afplay bounce.wav&")

elif ball.ycor() < -290:
    ball.sety(-290)
    ball.dy *= -1
    os.system("afplay bounce.wav&")

# Left and right
if ball.xcor() > 350:
    score_a += 1
    pen.clear()
    pen.write("Player A: {}  Player B: {}".format(score_a, score_b), align="center", font=("Courier", 24, "normal"))
    ball.goto(0, 0)
    ball.dx *= -1

elif ball.xcor() < -350:
    score_b += 1
    pen.clear()
    pen.write("Player A: {}  Player B: {}".format(score_a, score_b), align="center", font=("Courier", 24, "normal"))
    ball.goto(0, 0)
    ball.dx *= -1

# Paddle and ball collisions
if ball.xcor() < -340 and ball.ycor() < paddle_a.ycor() + 50 and ball.ycor() > paddle_a.ycor() - 50:
    ball.dx *= -1 
    os.system("afplay bounce.wav&")

elif ball.xcor() > 340 and ball.ycor() < paddle_b.ycor() + 50 and ball.ycor() > paddle_b.ycor() - 50:
    ball.dx *= -1
    os.system("afplay bounce.wav&")