Sleeper Cell Activation

let wh, ofs, ctx, c, tf;

​

function setup() {

  frameRate(10);

  wh = min(windowWidth, windowHeight);

  createCanvas(wh, wh);

  //noLoop();

  ctx = canvas.getContext('2d');

  tf = false;

}

​

function draw() {

  if((millis()|0)%2==0){

    background(tf?'black':'white')

  }

  for(let x = 0; x < wh; x+=10){

    for(let y = 0; y < wh; y+=10){

      fill(tf?'white':'black')

      text(x+y, x, y);

    }

  }

  ctx.drawImage(document.getElementsByTagName('canvas')[0], random(cos(millis())*wh), random(sin(millis())*wh))

}

​

function mouseClicked() {

  tf = tf?false:true;

}