import krister.Ess.*;
final int SLIDER = 0, TOGGLE = 1;
AudioChannel channel;
float mouseDownX;
Audio[] audio;
PFont font;
//--------------
void setup() {
  size(300,300);
  frameRate(30);
  smooth();
  
  font = loadFont("Silkscreen-8.vlw");
  textFont(font);

  // start up Ess
  Ess.start(this);
  channel=new AudioChannel();
  channel.initChannel(180000);
  channel.volume(1);
  
  audio = new Audio[3];
  audio[0] = new Chime(0.02,0.0001,15000);
  audio[1] = new Chime(0.01,0.0001,60000);
  audio[2] = new Chime(0.05,0.00002,180000);
  audio[0].x = 30;
  audio[1].x = 115;
  audio[2].x = 200;

  compute();

  channel.play(Ess.FOREVER);
}
//--------------
void compute() {
  float t=0;
  
  for (int i=0;i<channel.samples.length;i++){
    float FREQ = 1.5 + cos(i*0.0001);
    float AMP = 0.6+0.4*sin(i*0.0002);
    t += 0.1*FREQ;
    float A = exp(-0.0001*(i%30000))*cos( t );
    float B = audio[0].get(i);
    float C = audio[1].get(i);
    float D = audio[2].get(i)*cos( i*0.0002 );
    channel.samples[i] = constrain(B+C+D,-1,1);
  }
}
//--------------
void draw() {
  background(255);
  for(int i=0; i<audio.length ; i++)
    audio[i].draw();
}
//--------------
void mousePressed() {
  for(int i=0; i<audio.length ; i++)
    audio[i].mouseInput(mouseX,mouseY);
  compute();
}
//--------------
void keyReleased() {
}
//--------------
void mouseReleased() {
}
//--------------
public void stop() {
  // clean up Ess before exiting
  Ess.stop();
  super.stop();
}
//--------------