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pong.py
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pong.py
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import turtle
import winsound
import random
def playSound():
winsound.PlaySound("bounce.wav", winsound.SND_ASYNC)
MAX_SCORE = 11
DIR = (-1, 1)
BALL_SPEED = 0.5
PADDLE_SPEED = 10
board = turtle.Screen()
board.title("Pong by kirsirinnesalo")
board.bgcolor("black")
board.setup(width=800, height=600)
board.tracer(0)
score_a = 0
score_b = 0
paddle_a = turtle.Turtle()
paddle_a.speed(0)
paddle_a.color("white")
paddle_a.shape("square")
paddle_a.shapesize(stretch_wid=5, stretch_len=0.5)
paddle_a.penup()
paddle_a.goto(-350, 0)
paddle_b = turtle.Turtle()
paddle_b.speed(0)
paddle_b.color("white")
paddle_b.shape("square")
paddle_b.shapesize(stretch_wid=5, stretch_len=0.5)
paddle_b.penup()
paddle_b.goto(350, 0)
ball = turtle.Turtle()
ball.speed(0)
ball.color("white")
ball.shape("circle")
ball.shapesize(stretch_wid=0.5, stretch_len=0.5)
ball.penup()
ball.goto(0, 0)
ball.dx = random.choice(DIR) * BALL_SPEED
ball.dy = random.choice(DIR) * BALL_SPEED
score = turtle.Turtle()
score.speed(0)
score.color("white")
score.penup()
score.hideturtle()
score.goto(0, 200)
def showScore():
score.clear()
score.write("{} {}".format(score_a, score_b),
align="center", font=("Courier", 54, "normal"))
def paddle_a_up():
if (paddle_a.ycor() < 240):
y = paddle_a.ycor()
y += PADDLE_SPEED
paddle_a.sety(y)
def paddle_a_down():
if (paddle_a.ycor() > -240):
y = paddle_a.ycor()
y -= PADDLE_SPEED
paddle_a.sety(y)
def paddle_b_up():
if (paddle_b.ycor() < 240):
y = paddle_b.ycor()
y += PADDLE_SPEED
paddle_b.sety(y)
def paddle_b_down():
if (paddle_b.ycor() > -240):
y = paddle_b.ycor()
y -= PADDLE_SPEED
paddle_b.sety(y)
def moveBall():
ball.setx(ball.xcor() + ball.dx)
ball.sety(ball.ycor() + ball.dy)
def quitGame():
board.bye()
board.listen()
board.onkeypress(paddle_a_up, "w")
board.onkeypress(paddle_a_down, "s")
board.onkeypress(paddle_b_up, "Up")
board.onkeypress(paddle_b_down, "Down")
board.onkeypress(quitGame, "Escape")
gameover = turtle.Turtle()
gameover.speed(0)
gameover.color("white")
gameover.penup()
gameover.hideturtle()
def isGameOver():
if score_a >= MAX_SCORE or score_b >= MAX_SCORE:
ball.dx = 0
ball.dy = 0
gameover.goto(0, 100)
gameover.write("Peli päättyi.",
align="center", font=("Courier", 24, "bold"))
gameover.goto(0, 50)
gameover.write("{} on voittaja!".format("Pelaaja vasemmalla" if score_a > score_b else "Pelaaja oikealla"),
align="center", font=("Courier", 24, "bold"))
while True:
board.update()
showScore()
isGameOver()
moveBall()
#borders
if ball.ycor() > 290:
ball.sety(290)
ball.dy *= -1
playSound()
if ball.ycor() < -290:
ball.sety(-290)
ball.dy *= -1
playSound()
if ball.xcor() > 390:
ball.goto(0, 0)
ball.dx *= -1
score_a += 1
if ball.xcor() < -390:
ball.goto(0, 0)
ball.dx *= -1
score_b += 1
# collision
if (ball.xcor() > 340 and ball.xcor() < 350) and (ball.ycor() < paddle_b.ycor() + 50 and ball.ycor() > paddle_b.ycor() - 50):
ball.setx(340)
ball.dx *= -1
playSound()
if (ball.xcor() < -340 and ball.xcor() > -350) and (ball.ycor() < paddle_a.ycor() + 50 and ball.ycor() > paddle_a.ycor() - 50):
ball.setx(-340)
ball.dx *= -1
playSound()