var cols=["green", "yellow", "red", "black"];  // alarm flags

​

​

​

function setup() {

  createCanvas(600, 500);

  //test=new button(width/2, height/2, 'yellow');

}

​

function draw() {

   background(25);

  //test.show();

  showHud();

}

​

​

function showHud(){

fill(255);

stroke(255);

line(0, hudHeight, width, hudHeight);

stroke(0);

}