#!/usr/bin/env python
# -*- coding: utf-8 -*-
"""Example geometry of a pyramidal frustum.

:Date: 2019-12-23

.. module:: geometry_pyramidal_frustum
  :platform: *nix, Windows
  :synopsis: Example geometry of a pyramidal frustum.

.. moduleauthor:: Daniel Weschke <daniel.weschke@directbox.de>
"""
from pylib.geometry import World, Point, Polygon, Hexahedron
from pylib.geometry_plot_pylab import cad_wireframe

def geometry():
  w = World()
  p0 = Point()
  p1 = Point(1.00, 0, 0)
  p2 = Point(1.00, 1, 0)
  p3 = Point(0.00, 1, 0)
  p4 = Point(0.25, 0.25, 1)
  p5 = Point(0.75, 0.25, 1)
  p6 = Point(0.75, 0.75, 1)
  p7 = Point(0.25, 0.75, 1)
  pg0 = Polygon(p0, p1, p2, p3)
  pg1 = Polygon(p4, p5, p6, p7)
  pg2 = Polygon(p0, p1, p5, p4)
  pg3 = Polygon(p2, p3, p7, p6)
  w.add(pg0, pg1, pg2, pg3)
  h = Hexahedron()
  w.add(h)
  return w


if __name__ == "__main__":
  w = geometry()
  print(*w)
  print(w.wireframes_xyz())
  cad_wireframe(w)