import simple_draw as sd


sd.resolution = (1200, 900)

def branch(point, angle, length, delta=30, width=3):
    if length < 7:
        return
    if length < 20:
        width_2 = 1
    elif  length < 30:
        width_2 = 2
    else:
        width_2 = width
    vector = sd.get_vector(start_point=point, angle=angle, length=length, width=width_2)
    vector.draw()
    point_2 = vector.end_point
    angle_2_left = angle - delta
    angle_2_right = angle + delta
    length_2 = length * .7
    branch(point=point_2, angle=angle_2_left, length=length_2, delta=delta, width=width_2)
    branch(point=point_2, angle=angle_2_right, length=length_2, delta=delta, width=width_2)


point_0 = sd.get_point(600, 5)

branch(point=point_0, angle=90, length=200, delta=20)

sd.pause()