​

function setup() {

  createCanvas(400, 400);

}

​

function draw() {

  background(220);

  rect(width/2,height/2,50,50);

  fill(0);

}

​

function mousePressed(){

    //range accounting for text length

   // window.open("http://www.google.com", _self);

    fill(255,0,0);

  link("http://www.google.com");

}

​

function link(url, winName, options) {

​

  window.open(url, winName);

}