import processing.opengl.*;
import anar.*;





/*
 * Example for Anar library by Guillaume LaBelle + Julien Nembrini
 * http://anar.ch
 */


Obj myObj = new Obj();


void setup(){
    size(800,400,OPENGL);
  Anar.init(this);
  Anar.drawAxis();
  initForm();
}

void initForm(){

  // First construction: a basic line
  Pts ctrlPts = new Pts();

  ctrlPts.add(0,0,0);
  ctrlPts.add(30,20,0);
  ctrlPts.add(60, -20,0);
  ctrlPts.add(90,0,0);
  ctrlPts.add(120,0,40);
  ctrlPts.add(150,0,0);
  ctrlPts.add(180,0,0);
  ctrlPts.stroke(155,0,0);

  ctrlPts.translate(0,60,0);

  // Add this first module
  Pts moduleA = createModule(ctrlPts);
  myObj.add(moduleA);

  // Create new controlPoints one from a symmetry
  Pts ctrlPtsSym = new Pts(ctrlPts,new MirrorY());

  // Create a new curve based on the new controlPoints
  Pts moduleB = createModule(ctrlPtsSym);
  myObj.add(moduleB);

  // Create Faces
  for (int i = 1; i<moduleA.numOfPts(); i++){
    Face f = new Face();

    f.add(moduleA.pt(i-1));
    f.add(moduleB.pt(i-1));
    f.add(moduleB.pt(i));
    f.add(moduleA.pt(i));

    myObj.add(f);
  }

  Anar.sliders(ctrlPts);
  Anar.camTarget(myObj);
}

Pts createModule(Pts construction){

  // From this first set of points, create a curve of degree 4
  CSpline curve = new CSpline(construction,4);

  // Extract a serie of points from the curve
  Pts curveWithPointsUniform = curve.getPts(30);

  return curveWithPointsUniform;
}


void draw(){
  background(155);
  myObj.draw();
}