import ddf.minim.*;
import ddf.minim.signals.*;

AudioOutput out;
sinePulse[] sine = new sinePulse[5];
Thing[] t = new Thing[5];
Ring[] r = new Ring [5];
sinePulse cello;
Thing celloThing;
Ring celloRing;
Minim minim;

boolean showVectors = false;
int opacVal = 80;

void setup() {
  size(400, 400);
  frameRate(30);
  smooth();
  
  minim = new Minim(this);
  out = minim.getLineOut(Minim.STEREO, 2048);
  
  for(int i = 0; i<5; i++){
    sine[i] = new sinePulse((200 * i+1), int(random(200, 600)), 1);
    t[i] = new Thing(new PVector(0.01,0.01),new PVector(0,0),new PVector(width/2, height/2));
    r[i] = new Ring();
  }
  
  cello = new sinePulse(200, int(random(500, 700)), 1);
  celloThing = new Thing(new PVector(0.01,0.01),new PVector(0,0),new PVector(width/2, height/2));
  celloRing = new Ring();
  

}

void draw() {
  background(100);
  
  for(int iter = 1; iter < 8; iter++){
    ellipseMode(CENTER);
    fill(0,0);
    stroke(200,opacVal + iter * 20);
    strokeWeight(3);
    ellipse(width/2, height/2, iter * (width/7), iter * (width/7));
    strokeWeight(1);
  }
  
  for(int i=0; i<5; i++){
  t[i].go();
  sine[i].changeCircle(t[i].circle);
  sine[i].pulse();
  r[i].display(int(t[i].loc.x),int(t[i].loc.y));
  if(sine[i].ring){
      r[i].start();
      sine[i].ring = false;
    }
  }
  
  if(cello.ring){celloRing.start(); cello.ring = false;}
  celloThing.render();
  cello.pulse();
  celloRing.display(int(celloThing.loc.x), int(celloThing.loc.y));
  
  
}

void mousePressed(){

}

// Renders a vector object 'v' as an arrow and a location 'loc'
void drawVector(PVector v, PVector loc, float scayl) {
  pushMatrix();
  float arrowsize = 4;
  // Translate to location to render vector
  translate(loc.x,loc.y);
  stroke(255);
  // Call vector heading function to get direction (note that pointing up is a heading of 0) and rotate
  rotate(v.heading2D());
  // Calculate length of vector & scale it to be bigger or smaller if necessary
  float len = v.mag()*scayl;
  // Draw three lines to make an arrow (draw pointing up since we've rotate to the proper direction)
  line(0,0,len,0);
  line(len,0,len-arrowsize,+arrowsize/2);
  line(len,0,len-arrowsize,-arrowsize/2);
  popMatrix();
}