/**
press 'c' to turn the camera on and off. keep the room darkish. use your hand.
it's looking for the biggest brightest blob.
*/


import processing.video.*;
import blobDetection.*;

Capture cam;
BlobDetection bd;
HarmonicSynth synth;
PImage img;
boolean newFrame=false;
boolean drawBlobs=true, drawEdges=true;
boolean drawCamera=false;
boolean bright=true;
boolean drawRadLine = false;
boolean weSmooth = true;
final int SEQUENCE_STEPS = 4;
final static int NUM_HARMONICS = 10;
double r;
double lpfDivisor=16.0;
float lum = 0.1;

void setup() {
  size(640, 480);
  frameRate(100);
  cam = new Capture(this, 320, 240, 15);
  img = new PImage(80,60);
  bd = new BlobDetection(img.width, img.height);
  bd.setPosDiscrimination(bright);
  bd.setThreshold(lum);
  synth = new HarmonicSynth();
  synth.setFrequency(300);
}

void captureEvent(Capture cam) {
  cam.read();
  newFrame = true;
}

void draw() {
  if (newFrame) {
    newFrame = false;
    if(drawCamera)
      image(cam,0,0,width,height);
    else
      background(0);
    img.copy(cam, 0, 0, cam.width, cam.height, 0, 0, img.width, img.height);
    bd.computeBlobs(img.pixels);
    int bb = biggestBlob();
    //drawOne(bb);
    drawOneAtOrigin(bb);
    //drawBlobsAndEdges();
  }
}

void destroy() {
  synth.stop();
}

void keyPressed() {
  switch(key) {
  case 'd':
    bright = !bright;
    println("bright: "+bright);
    bd.setPosDiscrimination(bright);
    break;
  case 'b':
    drawBlobs = !drawBlobs;
    break;
  case 'e':
    drawEdges = !drawEdges;
    break;
  case 'c':
    drawCamera = !drawCamera;
    break;
  case 's':
    weSmooth = !weSmooth;
    break;
  case 'f':
    println(frameRate);
    break;
  case '=':
    lum += 0.05;
    bd.setThreshold(lum);
    println(lum);
    break;
  case '-':
    lum -= 0.05;
    bd.setThreshold(lum);
    println(lum);
    break;
  case ' ':
    println(r);
    drawRadLine = true;
    synth.setFrequency((float) r*800);
    break;
  case '`':
    lpfDivisor = 1.0;
    println(lpfDivisor);
    break;
  case '1':
    lpfDivisor -= 5.0;
    println(lpfDivisor);
    break;
  case '2':
    lpfDivisor -= 1.0;
    println(lpfDivisor);
    break;
  case '3':
    lpfDivisor += 1.0;
    println(lpfDivisor);
    break;
  case '4':
    lpfDivisor += 5.0;
    println(lpfDivisor);
    break;
  case '5':
    lpfDivisor = 16.0;
    println(lpfDivisor);
    break;
  }
}