def kCurve(turtle, distance, kinkiness):
    '''moves turtle forward the distance, perhaps with some kinks'''
    if kinkiness==0:
        turtle.forward(distance)
    else:
        segment = distance/3
        kCurve(turtle, segment, kinkiness-1)
        # start a kink
        turtle.left(60)
        kCurve(turtle, segment, kinkiness-1)
        turtle.right(120)
        kCurve(turtle, segment, kinkiness-1)
        turtle.left(60)
        # ok we are done with the kink and facing our original direction
        kCurve(turtle, segment, kinkiness-1)

def boundingBox(turtle, distance):
    '''leaves the turtle in the starting position and heading'''
    segment = distance/3
    turtle.left(60)
    turtle.forward(segment)
    turtle.right(60)
    turtle.forward(2*segment)
    turtle.right(60)
    turtle.forward(segment)
    turtle.left(60)
    turtle.backward(distance)

def gCurve(turtle, distance, kinkiness):
    '''moves turtle forward the distance, perhaps with some kinks'''
    if kinkiness==0:
        turtle.forward(distance)
    else:
        segment = distance/5
        gCurve(turtle, segment, kinkiness-1)
        # start a kink
        turtle.left(60)
        gCurve(turtle, segment, kinkiness-1)
        turtle.right(120)
        gCurve(turtle, segment, kinkiness-1)
        turtle.left(60)
        # ok we are done with the kink and facing our original direction
        gCurve(turtle, segment, kinkiness-1)
        # start a kink
        turtle.left(60)
        gCurve(turtle, segment, kinkiness-1)
        turtle.right(120)
        gCurve(turtle, segment, kinkiness-1)
        turtle.left(60)
        # ok we are done with the kink and facing our original direction
        gCurve(turtle, segment, kinkiness-1)




from cTurtle import Turtle
t = Turtle()