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





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


Pts   bsp1;
Pts   bsp2;
// ParametricValue pv;
Param pv = new Param(1/.15f);

Pts   baseLine;              // = new Pts();
Pts   baseLine2;             // = new Pts();

Obj   obj;

void setup(){
    size(800,400,OPENGL);
  frameRate(200);

  Anar.init(this);
  Anar.drawAxis(true);
  initShape();

  Pts.globalRender = new RenderPtsAll();
  Pt.globalRender = new RenderPtShapeOriented(new AColor(100),new AColor(255,0,0,150),Anar.scene);
}


void initShape(){
  baseLine = new Pts();
  baseLine2 = new Pts();

  baseLine.add(Anar.Pt(0,0,100));
  baseLine.add(Anar.Pt(25,130,0));
  baseLine.add(Anar.Pt(50,0,50));
  baseLine.add(Anar.Pt(75, -30,0));
  baseLine.add(Anar.Pt(100,0,0));


  baseLine2.add(Anar.Pt(0,0,0));
  baseLine2.add(Anar.Pt(0,25,0));
  baseLine2.add(Anar.Pt(100,50,50));
  baseLine2.add(Anar.Pt(0,75,0));
  baseLine2.add(Anar.Pt(100,100,0));


  // pv = new ParametricValue(.3f);
  // pn = new ParametricValue(6);

  bsp1 = new CSpline(baseLine,pv);
  bsp2 = new CSpline(baseLine2,pv);


  obj = new Obj();
  obj.add(bsp1);
  obj.add(bsp2);
  
  Pts discret1 = bsp1.discretization(50);
  Pts discret2 = bsp2.discretization(50);    



  Pts[] gridU = new Pts[discret2.numOfPts()];

  for (int i = 0; i<discret1.numOfPts(); i++){
    gridU[i] = new Pts();

    for (int j = 0; j<discret2.numOfPts(); j++){
      Pt a = discret1.pt(i);
      Pt b = discret2.pt(j);
      gridU[i].add(Anar.Pt( (a.x()+b.x()), (a.y()+b.y()), (a.z()+b.z())));
    }
  }


  for (int i = 0; i<discret1.numOfPts()-1; i++)
    for (int j = 0; j<discret2.numOfPts()-1; j++){
      Face fce = new Face();
      fce.add((Pt)gridU[i].pt(j));
      fce.add((Pt)gridU[i+1].pt(j));
      fce.add((Pt)gridU[i+1].pt(j+1));
      fce.add((Pt)gridU[i].pt(j+1));
      obj.add(fce);
    }

  Anar.camTarget(obj);
}


void draw(){
  background(190);

  // baseLine.draw();
  // if(frameCount%2==0)
  obj.draw();

  if(frameCount%2==0)
    if(drawConstruction){
      bsp1.draw();
      bsp2.draw();
    }
    else{
      ((CSpline)bsp1).drawConstructionLines();
      ((CSpline)bsp2).drawConstructionLines();
    }

  if(key=='k'){
    pv.set(mouseX/(float)width/2f);
    CSpline.globalRender.splineRes.set(mouseY/(float)height*60+1);
    initShape();
    key = 'h';
  }
}


private boolean drawConstruction = true;

void keyPressed(){
  switch(key){
    case ' ':
      if(drawConstruction)
        drawConstruction = false;
      else
        drawConstruction = true;
    break;
    case 'a':
      Autolisp.export(obj,this);
    break;
    case 'r':
      RhinoScript.export(obj,this);
    break;
    case 's':
      SketchUpRuby.export(obj,this);
    break;
  }
}


void prnt(Object s){
  super.println(s);
  super.println("-----------------------------");
}