text: # -*- coding: utf-8 -*-
  
  #    visigoth: A lightweight Python3 library for rendering data visualizations in SVG
  #    Copyright (C) 2020-2021  Visigoth Developers
  #
  #   Permission is hereby granted, free of charge, to any person obtaining a copy of this software
  #   and associated documentation files (the "Software"), to deal in the Software without 
  #   restriction, including without limitation the rights to use, copy, modify, merge, publish,
  #   distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the
  #   Software is furnished to do so, subject to the following conditions:
  #
  #   The above copyright notice and this permission notice shall be included in all copies or 
  #   substantial portions of the Software.
  #
  #   THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING
  #   BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
  #   NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
  #   DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
  #   OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  
  from visigoth.internal.svg import polygon
  
  import math
  
  class triangle(polygon):
  
      def __init__(self,cx,cy,radius,angle,fill="none",stroke="black",stroke_width=0):
          points = []
          for idx in range(3):
              a = angle + (idx*math.pi*2.0/3.0)
              x = cx+radius*math.sin(a)
              y = cy+radius*math.cos(a)
              points.append((x,y))
          super().__init__(points,fill,stroke,stroke_width)
  