import turtle, math, random, winsound

screen = turtle.Screen()
screen.bgcolor("black")
screen.setup(600,600,700,0)

#borders
b = turtle.Pen()
b.penup()
b.speed(0)
b.pencolor("orange")
b.setpos(-235,-235)
for i in range(4):
    b.pendown()
    b.forward(470)
    b.left(90)



# Snake
s = turtle.Turtle()
s.color("orange")
s.fillcolor("black")
s.shape("square")
s.shapesize(0.5)
s.penup()
s.speed(0)
speed = 1
direction = "stop"
tail = 30
print(tail)

# Apple
a = turtle.Turtle()
a.color("red")
a.fillcolor('black')
a.shape("circle")
a.shapesize(0.2)
a.penup()
a.speed(0)
a.setpos(random.randrange(-220,200), random.randrange(-220,200))
print(a.xcor())

def move():
        global speed
        global direction
        global tail
        if direction =="left":

            s.goto(s.xcor() - speed, s.ycor())
            s.stamp()
            if  s.stamp() > tail:
                s.clearstamps(2)
            if is_contact(s, a):
                winsound.Beep(1000,40)
                speed += 0.5
                a.setpos(random.randrange(-220,200), random.randrange(-220,200))
            if s.xcor() < -220:
                direction = "stop"
        elif direction =="right":

            s.goto(s.xcor() + speed, s.ycor())
            s.stamp()
            if  s.stamp() > tail:
                s.clearstamps(2)
            if is_contact(s, a):
                winsound.Beep(1000,40)
                speed += 0.5
                a.setpos(random.randrange(-220,200), random.randrange(-220,200))
            if s.xcor() > 220:
                direction = "stop"
        elif direction == "up":

            s.goto(s.xcor() , s.ycor() + speed)
            s.stamp()
            if  s.stamp() > tail:
                s.clearstamps(2)
            if is_contact(s, a):
                winsound.Beep(1000,40)
                a.setpos(random.randrange(-220,200), random.randrange(-220,200))
                speed += 0.5
            if s.ycor() > 220:
                direction = "stop"
        elif direction == "down":

            s.goto(s.xcor(), s.ycor() -speed)
            s.stamp()
            if  s.stamp() > tail:
                s.clearstamps(2)
            if is_contact(s, a):
                winsound.Beep(1000,40)
                a.setpos(random.randrange(-220,200), random.randrange(-220,200))
                speed += 0.5
            if s.ycor() < -220:
                direction = "stop"
        else:
            s.goto(s.xcor(), s.ycor())
def move_left():
    global direction
    direction = "left"
def move_right():
    global direction
    direction = "right"
def move_up():
    global direction
    direction = "up"
def move_down():
    global direction
    direction = "down"

turtle.listen()
turtle.onkey(move_left,"Left")
turtle.onkey(move_right,"Right")
turtle.onkey(move_up,"Up")
turtle.onkey(move_down,"Down")

def is_contact(object_1, object_2):
    a = object_1.xcor() - object_2.xcor()
    b = object_1.ycor() - object_2.ycor()
    distance = math.sqrt((a ** 2) + (b ** 2))
    if distance < 10:
        return True
    else:
        return False
stamp_list = []
while True:
    move()
    #print(s.xcor(),s.ycor())
    #print(s.stamp())