//"Sagittarius A: Our galexy's black hole"
//by AnnMarie Cernoch   2007
//http://www.spacetoday.org/DeepSpace/Stars/BlackHoles/MilkyWayBlackHoles.html (center of Milky Way maybe a super blackhole) 
//http://www.space.com/scienceastronomy/blackhole_note_030909.html (blackholes emit B-flat sounds)noon
// based on: .OBJ Loader transformation
// by SAITO <http://users.design.ucla.edu/~tatsuyas>


import saito.objloader.*;
import krister.Ess.*;

PImage pic;

AudioChannel myChannel;
AudioChannel myChannel2;

OBJModel model;
OBJModel blob_model;
OBJModel tmpmodel;

//float rotX;
float xTrans, yTrans;
int a;
int j;

void setup()
{
  size(600, 600, P3D);
  frameRate(30);
  //sound----------------------------------------------------------------------
  Ess.start(this);
  myChannel2 = new AudioChannel("sound1.aif");
  myChannel = new AudioChannel("static_sound.aif");
  //models--------------------------------------------------------------------
  model = new OBJModel(this);
  blob_model = new OBJModel(this);
  tmpmodel = new OBJModel(this);
  model.debugMode();
  model.load("blackhole3.obj");
  blob_model.load("text_blob.obj");
  tmpmodel.load("blackhole3.obj");
  //background picture---------------------------------------------------------
  pic = loadImage("stars_600.jpg");

  flockSetup();
}
void draw()
{
  background(pic);
  lights();
  flockDraw();
  myChannel.play(Ess.FOREVER);
  pushMatrix();
  rotateX(100);
  translate(width/2, height/2+250, -10);
  rotateY(radians(a++)*-1);
  //rotateY(rotX);
  scale(20.0);
  noStroke();
  // renders the temporary model
  tmpmodel.draw();

  //Users are identified by rotating objects. here
  pushMatrix();
  xTrans = mouseX/25-10; //use these to expand mouse plane
  yTrans = mouseY/25-9;
  //AMnum array
  translate(xTrans,-1.5,yTrans);
  blob();
  popMatrix();
  popMatrix();

  manipulate();

}

void blob(){
  rotate(radians(a++));
  scale(.5);
  blob_model.draw();
  myChannel2.play(1);
}


void manipulate(){

  for(int i = 0; i < model.getVertexsize(); i++){

    Vertex orgv = model.getVertex(i);
    Vertex tmpv = new Vertex();
    tmpv.vx = orgv.vx;
    tmpv.vy = -dist(orgv.vx, orgv.vz, xTrans, yTrans)/-3; //change this number to change the pull on plane
    tmpv.vz = orgv.vz;

    tmpmodel.setVertex(i, tmpv);

  }
}
void stop() {
  Ess.stop(); 
  super.stop();
}
//this is for debugging only
/*
void mouseDragged()
 {
 rotX -= (mouseY - pmouseY) * 0.01;
 } 
 */
// OBJModel.getVertex() allows accessing to each vertex
// OBJModel.setVertex() allows transformation of a model