/*
 bounding boxes is a simple object tracking example.
 point the camera at some big bright objects and the boxes will follow.
 
 last tested to work in Processing 0090
 
 JTNIMOY
 
*/


import JMyron.*;
import krister.Ess.*; 
//import processing.video.*;

Channel myChannel; 
JMyron m;//a camera object
int ctrWas=0;

void setup(){
  size(320,240);
  m = new JMyron();//make a new instance of the object
  m.start(width,height);//start a capture at 320x240
  m.trackColor(0,0,0,100);//R, G, B, and range of similarity  starts set to black
  m.minDensity(100); //minimum pixels in the glob required to result in a box
  m.maxDensity(500);
  //println("Myron " + m.version());
  noFill();
  // start up Ess the sound generator library
  Ess.start(this); 
  myChannel=new Channel(); 
  myChannel.initBuffer(myChannel.frames(5000)); 
} 

void draw(){
  m.update(); //update the camera view
  drawCamera();//draw the camera to the screen
  strokeWeight(3);
  stroke(255,0,0);
  int[][] b = m.globBoxes();//get the center points
  for (int i=0;i<b.length;i++) {rect( b[i][0] , b[i][1] , b[i][2] , b[i][3] );}
  int factor=10;  // to make the tones within good hearing range, multiplier for the y value
  int[] c= new int[b.length];  // holds sorted values for testing
  int[][] xy= new int[b.length][2];  // holds sorted x and y values
  int[] bctr= new int[b.length];  // points to the corresponding original ctr for blob rect
  int ctr=0;
  for (int i = 0; i < b.length; i++) { c[i]=b[i][0]; }  // create new array c, to be sorted by x
  if(b.length>0) {c=sort(c);}  // c is the x values, sorted
  for(int i=0;i<b.length;i++){
    for (int j=0;j<b.length;j++) {
      if(c[i]==b[j][0]) {
        xy[i][0]=b[j][0];
        xy[i][1]=b[j][1];
        bctr[i]=j;
      }
    }
  }
/*    for(int i=0;i<b.length;i++){
      print(xy[i][0]);
    }
    println();
    */
  int frameRun=int(framerate * 5);  // ab out 25 frames at 5fps, ie about 5 seconds
  int modValue=frameCount%frameRun;
  ctr=int(modValue/2); 
  if (b.length>ctr && (ctrWas != ctr) ) {  // 240 - reverses the direction of the pitch with respect to y values
    myChannel.wave(Ess.TRIANGLE,(240-xy[ctr][1])*factor,1,0,myChannel.frames(100)); 
    myChannel.play(); 
    stroke(0,255,0);
    rect( b[bctr[ctr]][0] , b[bctr[ctr]][1] , b[bctr[ctr]][2] , b[bctr[ctr]][3] );
  }
  ctrWas=ctr;  // update
}

void drawCamera(){
  int[] img = m.image(); //get the normal image of the camera
  loadPixels();
  for(int i=0;i<width*height;i++){ //loop through all the pixels
    pixels[i] = img[i]; //draw each pixel to the screen
  }
  updatePixels();

}

void mousePressed(){
  // show pixel's color where the mouse is clicked
  loadPixels();
  int r,g,b;
  int loc = mouseX + mouseY*width;
  r=int(red(pixels[loc]));
  g=int(green(pixels[loc]));
  b=int(blue(pixels[loc]));
  println(red(pixels[loc]) + " " + green(pixels[loc]) + " " + blue(pixels[loc]) );
  m.trackColor(r,g,b,100); //reset tracking color to picked mouse pixel's color
}

void mouseReleased() {
  m.settings();//click the window to get the settings
}
public void stop(){
  m.stop();//stop the object
  Ess.stop(); 
  super.stop();
}