import fastarray.*;

float x, y, a, b, c, d;
int xPix, yPix, freqX, freqY, maxFreqX, maxFreqY;
int T,I;
int[] hist;

FastArray3Dint data;
float rotY, rotX;
int alpha;

UIbutton bu1,bu2,bu3,bu4;



void setup(){
  size(600,600,P3D); 
  background(255);
  colorMode(HSB);
  alpha = 24;
  textFont(loadFont("Silkscreen-8.vlw") ,8); 
 
  bu1 = new UIbutton(150, height-20, "a", false);
  bu2 = new UIbutton(250, height-20, "b",false);
  bu3 = new UIbutton(350,height-20, "c",false);
  bu4 = new UIbutton(450, height-20, "d",false);
  T = 256;
  I = 512;
  data = new FastArray3Dint(this, T,I,2);

  createAttractor(1);
}


void draw(){
  //println(framerate);
  background(255);
  pushMatrix();
  translate(width*.5, 0, -100);
  if (!mousePressed)//
    rotY +=1.8; 
  rotateY(-radians(rotY));
  translate(-width*.5, 0, +100);
  translate(0, height*.5, -100);
  rotateX(-radians(rotX));
  translate(0,-height*.5, +100);
  translate((width-height)/2,0,0);
  for (int t=0;t<T;t++){
    stroke(t,250,200,alpha); 
    for (int i=0;i<I;i++){     
      point(data.get(t,i,0), data.get(t,i,1),50-t);
    }
  }
  popMatrix();

  bu1.draw();
  bu2.draw();
  bu3.draw();
  bu4.draw();
 
}

void createAttractor(int par){
  x = random(-PI,PI);
  y = random(-PI,PI);

  a = random(-PI,PI);
  b = random(-PI,PI);
  c = random(-PI,PI);
  d = random(-PI,PI);

  switch(par) { 
  case 1: 
    a=-2.2;
    break; 
  case 2: 
    b=-2.2; 
    break; 
  case 3: 
    c=-2.2; 
    break; 
  case 4: 
    d=-2.2; 
    break; 
  } 

  for (int t=0;t<T;t++){
    switch(par) { 
    case 1: 
      a+=.01;      
      break; 
    case 2: 
      b+=.01; 
      break; 
    case 3: 
      c+=.01;
      break; 
    case 4: 
      d+=.01; 
      break; 
    } 

    for (int i=0;i<I;i++){
      x = sin(a*y) - cos(a*x);
      y = sin(b*x) - cos(b*y);
      xPix = (int)((x+4)*width/8);
      yPix = (int)((y+4)*height/8);
      data.set(t,i,0, xPix);
      data.set(t,i,1, yPix);
    } 
  }  

}

void mousePressed(){
  if (bu1.hover()){
    bu1.mousePressed();
    createAttractor(1);
  }
  if (bu2.hover()){
    bu2.mousePressed();
    createAttractor(2);
  }
  if (bu3.hover()){
    bu3.mousePressed();
    createAttractor(3);
  }
  if (bu4.hover()){  
    bu4.mousePressed();
    createAttractor(4);
  }  
  
}

void mouseDragged(){

    rotY -= pmouseX/3; 
    rotX -= pmouseY/3; 

}