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(){
  myObj = createModule();
}

Obj createModule(){
  // Initialize a local object
  Obj module = new Obj();

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

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

  // From this first set of points, create a curve of degree 4
  CSpline curve = new CSpline(construction,4);
  curve.stroke(255,155,155);

  // Constrain a point on this curve for t=0.1
  Pt c = new PtCurve(curve,0.1f);
  // Track parameters of point C
  Sliders cOnCurve = new Sliders(c);
  Anar.sliders(cOnCurve.get(cOnCurve.size()-1));

  // Create a new line with non uniform distribution of points
  Pts curveWithPoints = new Pts();
  float i = 0;

  while (i<1){
    curveWithPoints.add(new PtCurve(curve,i));
    i += random(0.1f);
  }

  curveWithPoints.translate(0,10,0);
  curveWithPoints.drawPoints();

  // Create set of Points from an uniform distribution of points
  Pts curveWithPointsUniform = curve.getPts(30);
  curveWithPointsUniform.translate(0,30,0);
  curveWithPointsUniform.drawPoints();

  // Add Everything to our object
  module.add(curve);
  module.add(construction);
  module.add(curveWithPoints);
  module.add(curveWithPointsUniform);
  module.add(c);

  Anar.camTarget(construction);

  return module;
}


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