Examples of linear transformations

tranformations_ex.py

from python.common.polygon import Polygon
from python.common.svg import Svg
from python.less9.transformations import *


def transform(transformation, polygon, repeats, name="trans"):
    _svg = Svg()
    for i in range(repeats):
        for _line in polygon.lines():
            _svg.add_line(_line)
        polygon.apply_transformation(transformation)
    _svg.save(name)


def uk1():
    pol = Polygon([(0, 1), (1, 1), (1, 0), (0, 0), (0, 1)])
    pol.apply_transformation(scaling(300, 300))
    trans = combine(translation(5, 10), scaling(1.1, 1.1), rotation(20))
    transform(trans, pol, 11, "uk1")


def uk2():
    pol = Polygon([(-1, 1), (1, 1), (1, -1), (-1, -1), (-1, 1)])
    pol.apply_transformation(scaling(300, 300))
    trans = combine(scaling(1.1, 0.8), rotation(10))
    transform(trans, pol, 15, "uk2")


def uk3():
    pol = Polygon([(-1, 1), (1, 1), (1, -1), (-1, -1), (-1, 1)])
    pol.apply_transformation(scaling(50, 50))
    trans = combine(translation(50, 50), scaling(0.9, 0.9), rotation(10), shear(1.3))
    transform(trans, pol, 25, "uk3")


uk1()
uk2()
uk3()