/*
 *  Simple thread polygon library
 *  Copyright (C) 2019  Alicia <<email hidden>>
 *
 *  This program is free software: you can redistribute it and/or modify
 *  it under the terms of the GNU Affero General Public License as published by
 *  the Free Software Foundation, either version 3 of the License, or
 *  (at your option) any later version.
 *
 *  This program is distributed in the hope that it will be useful,
 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *  GNU Affero General Public License for more details.
 *
 *  You should have received a copy of the GNU Affero General Public License
 *  along with this program.  If not, see <http://www.gnu.org/licenses/>.
*/

module thread(points, subdiv=20)
{
  lpoints=[for(i=[0:1/subdiv:len(points)-1/subdiv])(points[i]*(1-(i%1))+points[(i+1)%len(points)]*(i%1))];
  points2=[for(i=[0:len(lpoints)-1])[sin(360*i/len(lpoints))*lpoints[i], cos(360*i/len(lpoints))*lpoints[i]]];
echo(points2);
  polygon(points2);
}
linear_extrude(10, twist=-600)thread([4,4,5,5,4,4,5,5]);