/**
* Shout at the computer, to let this script stop
* Just a basic script on audio interfaces
*/
var font, fontsize = 32
var mic;
function preload() {
  font = loadFont('assets/Museo_Slab_500_2.otf');
}

function setup() {
    var cnvs = createCanvas(690, 600);
    mic = new p5.AudioIn();
    mic.start();
    cnvs.mouseClicked(resetSketch);
}
function resetSketch(){
  textFont(font);
  textSize(fontsize);
  textAlign(CENTER, CENTER);
  frameRate(10);
  background(255);
  translate(0,200);

  micLevel = mic.getLevel();
  if(micLevel >0.1){
    frameRate(0);
  }

  var gap = 52;
  var margin = 10;
  push();
    translate(margin * 4, margin * 4);
    var counter = 65;
    var rnd = floor(random(65,90));
    for (y = 0; y < height - gap; y += gap) {
      for (x = 0; x < width - gap; x += gap) {
        if(counter > 90) break;
        var letter = char(counter);
        if(counter == rnd){
          fill(255,0,255);
        }else{
          fill(111);
        }
        text(letter, x, y);
        counter++;
      }
    }
    pop();
}

function draw() {
  resetSketch();
}