# -*- coding: utf-8 -*-
import turtle
win = turtle.Screen()
tt = turtle.Turtle()
win.bgcolor('lightgreen')
tt.speed(0)
######
class dashline:

    def __init__(self, sections, width, color):
        self.sections = sections
        self.width = width
        self.color = color

    def draw(self, length):
        sec = int(length/self.sections)
        tt.pensize(self.width)
        tt.color(self.color)
        for i in range(self.sections):
            tt.fd(sec/2.0)
            tt.pu()
            tt.fd(sec/2.0)
            tt.pd()

    def setColor(self, newColor):
        self.color = newColor

    def drawArrow(self, length):
        sec = int(length/self.sections)
        tt.pensize(self.width)
        tt.color(self.color)
        for i in range(self.sections):
            tt.fd(sec/2.0)
            tt.lt(45)
            tt.bk(sec/3.0)
            tt.pu()
            tt.fd(sec/3.0)
            tt.down()
            tt.rt(90)
            tt.bk(sec/3.0)
            tt.pu()
            tt.fd(sec/3.0)
            tt.lt(45)
            tt.fd(sec/2.0)
            tt.pd()
        
dline = dashline(5, 3, 'blue')
tt.fd(100)
dline.drawArrow(100)
tt.up()
tt.home()
tt.left(60)
tt.down()
dline.drawArrow(80)
tt.up()
tt.home()
tt.rt(60)
tt.down()
dline.drawArrow(80)
tt.up()
tt.home()
tt.left(180)
dline.setColor('red')
dline.drawArrow(300)

######
win.exitonclick()