import turtle as t

import random

score=0

playing =False

te1 = t.Turtle()

te1.shape("turtle")

te1.color("red")

te1.speed(0)

te1.up()

te1.goto(0,200)

te2 = t.Turtle()

te2.shape("turtle")

te2.color("yellow")

te2.speed(0)

te2.up()

te2.goto(0,150)

ts1 = t.Turtle()

ts1.shape("circle")

ts1.color("green")

ts1.up()

ts1.goto(0,-200)

ts2 = t.Turtle()

ts2.shape("circle")

ts2.color("blue")

ts2.up()

ts2.goto(0,-100)

def turn_right():

    t.setheading(0)

def turn_up():

    t.setheading(90)

def turn_left():

    t.setheading(180)

def turn_down():

    t.setheading(270)

def start():

    global playing

    if playing == False:

        playing = True

        t.clear()

        play()

def play():

    global score

    global playing

    t.forward(10)

    if random.randint(1,7) == 4:

       ang = te1.towards(t.pos())

       te1.setheading(ang)

    speed = score +5

    if speed > 15:

        speed = 15

    te1.forward(speed)

    if random.randint(1, 7) == 4:

        ang = te2. towards(t.pos())

        te2.setheading(ang)

    speed = score + 5

    if speed >15:

        speed = 15

    te2.forward(speed)

    if t.distance(te1) < 12:

        text = "Score:" + str(score)

        message("Game Over", text)

        playing = False

        score = 0

    if t.distance(te2) < 12:

        score= score +1

        t.write(score)

        star_x1= random.randint( -230,230)

        star_y1 = random.randint(-230,230)

        ts1.goto(star_x1 ,  star_y1)

    if t.distance(ts2)<12:

        score=score +1

        r.write(score)

        star_x2 = random.randint(-230,230)

        star_y2 = random.randint(-230, 230)

        ts2.goto(star_x2,star_y2)

    if playing:

        t.ontimer(play, 100)

def message(m1,m2):

    t.clear()

    t.goto(0,100)

    t.write(m1,False, "center",("",20))

    t.goto(0,-100)

    t.write(m2, False, "center", ("",15))

    t.home()

t.title("Turtle Run")

t.setup(500, 500)

t.bgcolor("orange")

t.shape("turtle")

t.speed(0)

t.up()

t.color("white")

t.onkeypress(turn_right,"Right")

t.onkeypress(turn_up,"Up")

t.onkeypress(turn_left,"Left")

t.onkeypress(turn_down,"Down")

t.onkeypress(start,"space")

t.listen()

message("Turtle Run", "[Space]")