package p5;
import anar.*;




import processing.core.PApplet;

public class Test03oStructure extends PApplet {

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


  Obj myObj = new Obj();


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

  public 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(0,30,0);

    // To track the position of the point on the curve
    Param t = new Param(0.1f,0,1);

    // Add this first module
    Obj moduleA = createModule(ctrlPts,t);
    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
    Obj moduleB = createModule(ctrlPtsSym,t);
    myObj.add(moduleB);

    // Link the two moving points together
    Pts betweenCurves = new Pts();
    betweenCurves.add(moduleA.pt(0));
    betweenCurves.add(moduleB.pt(0));
    myObj.add(betweenCurves);

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

  public Obj createModule(Pts construction, Param t){
    // Initialize a local object
    Obj module = new Obj();

    // 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,t);
    // Track parameters of point C
    Sliders cOnCurve = new Sliders(c);
    Anar.sliders(cOnCurve.get(cOnCurve.size()-1));

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

    Anar.camTarget(construction);

    return module;
  }


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


  public static void main(String[] args){
    PApplet.main(new String[]{Test03oStructure.class.getName()});
  }
}