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










Obj myObj;
Sliders mySliders;

Pt[] ref;

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

initForm();
}


void initForm() {
//Create a new Object to store our shape
myObj = new Obj();  


//Create a vertical translation defining the height of tower floors
Transform t = new Translate(0,0,20);

//Create parameter array to store individual rotations values
Param[][] myArray = new Param[25][50];

Obj module;

for (int i=0; i<myArray.length; i++) {

  //Define position translation
  Translate pos = new Translate(0,40*i,0);
  Translate posMinus = new Translate(0,-40*i,0);

  module = createModule(pos);

  for (int j=0; j<myArray[i].length; j++) {
    //Create individual rotations randomly
    myArray[i][j] = new Param(random(.4f), -3.14f, 3.14f);

    //Create transformation that include a translation 
    // and a new rotation on the axis Z created from p
    // in order to act correctly on the element translated by pos
    // the transformation needs to be brought back on the origin 
    Transform tt = new Transform();
    tt.add(posMinus);
    tt.add(t);
    tt.rotateZ(myArray[i][j]);
    tt.add(pos);

    //Create a copy of module
    Obj myCopy = new Obj(module);

    //Apply the transformation
    myCopy.apply(tt);

    //Add the copy to myObj
    myObj.add(myCopy);

    //copy is now the base module
    module = myCopy;
  }
}
//Create sliders for the parameter array
Anar.camTarget(myObj);
}

Obj createModule(Transform t) {
int edge = 40;
int h = 20;

//Create the base points (here a square)
ref = new Pt[4];
ref[0] = Anar.Pt(-edge/20, -edge/2);
ref[1] = Anar.Pt(edge/20,-edge/2);
ref[2] = Anar.Pt(edge/20, edge/2);
ref[3] = Anar.Pt(-edge/20,edge/2);

//Create a new Face
Face mySquare = new Face();

//Store the local points inside the new face 
for (int i=0; i<ref.length; i++)
  mySquare.add(ref[i]);

mySquare.apply(t);

//Extrude mySquare along the translation t
return new Extrude(mySquare, Anar.Pt(0,0,h));  
}  


void draw() {
background(150);
myObj.draw();
}