# Simppeli pinkiponki by marGoira

import turtle

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

# Tulos
score_a = 0
score_b = 0

# Maila A
maila_a = turtle.Turtle()
maila_a.speed(0)
maila_a.shape("square")
maila_a.color("blue")
maila_a.shapesize(stretch_wid=5, stretch_len=1)
maila_a.penup()
maila_a.goto(-350, 0)

# Maila B
maila_b = turtle.Turtle()
maila_b.speed(0)
maila_b.shape("square")
maila_b.color("red")
maila_b.shapesize(stretch_wid=5, stretch_len=1)
maila_b.penup()
maila_b.goto(350, 0)

# Pallo
pallo = turtle.Turtle()
pallo.speed(0)
pallo.shape("square")
pallo.color("white")
pallo.penup()
pallo.goto(0, 0)
pallo.dx = 0.1
pallo.dy = 0.1

# Pen
pen = turtle.Turtle()
pen.speed(0)
pen.color("white")
pen.penup()
pen.hideturtle()
pen.goto(0, 260)
pen.write("USA: 0 SOVIET: 0", align="center", font=("Courier", 24, "normal"))


# Funktiot
def maila_a_up():
    y = maila_a.ycor()
    y += 20
    maila_a.sety(y)

def maila_a_down():
    y = maila_a.ycor()
    y -= 20
    maila_a.sety(y)

def maila_b_up():
    y = maila_b.ycor()
    y += 20
    maila_b.sety(y)

def maila_b_down():
    y = maila_b.ycor()
    y -= 20
    maila_b.sety(y)
    
# Näppäimistö
wn.listen()
wn.onkeypress(maila_a_up, "w")
wn.onkeypress(maila_a_down, "s")
wn.onkeypress(maila_b_up, "Up")
wn.onkeypress(maila_b_down, "Down")

# Main game loop
while True:
    wn.update()

    # Pallon liike
    pallo.setx(pallo.xcor() + pallo.dx)
    pallo.sety(pallo.ycor() + pallo.dy)

    # Rajojen tarkastaminen
    if pallo.ycor() > 290:
        pallo.sety(290)
        pallo.dy *= -1
    
    if pallo.ycor() < -290:
        pallo.sety(-290)
        pallo.dy *= -1

    if pallo.xcor() > 390:
        pallo.goto(0, 0)
        pallo.dx *= -1
        score_a += 1
        pen.clear()
        pen.write("USA: {} SOVIET: {}".format(score_a, score_b), align="center", font=("Courier", 24, "normal"))

    if pallo.xcor() < -390:
        pallo.goto(0, 0)
        pallo.dx *= -1
        score_b += 1
        pen.clear()
        pen.write("USA: {} SOVIET: {}".format(score_a, score_b), align="center", font=("Courier", 24, "normal"))

    # mailan ja pallon yhteentörmäys
    if (pallo.xcor() > 340 and pallo.xcor() < 350) and (pallo.ycor() < maila_b.ycor() + 40 and pallo.ycor() > maila_b.ycor() -40):
        pallo.setx(340)
        pallo.dx *= -1

    if (pallo.xcor() < -340 and pallo.xcor() > -350) and (pallo.ycor() < maila_a.ycor() + 40 and pallo.ycor() > maila_a.ycor() -40):
        pallo.setx(-340)
        pallo.dx *= -1