Generado de planos Voronoi

sketch.js

var poligonos_obj;
var json


var myImg;
var pixelColors = [];
var scanLine = 0;
var plano =[];
var plano_objeto = {};
var colores = [];
var listado;
var count = 840;

var c, width, height, polydraw, colorArr, vertices, voronoi, polygons, colorDominat, paleta;

function preload() {
  myImg = loadImage("yourimage.png");
}

function setup() {
  console.log(listado);
  c = createCanvas(myImg.width, myImg.height, SVG);
  scanLine = 0;
  smooth(2);
  width = myImg.width;
  height = myImg.height;
  vertices = d3.range(4000).map(function(d) {
    return [Math.random() * width, Math.random() * height];
  });
  voronoi = d3.geom.voronoi().clipExtent([[0, 0], [width, height]]);
  polygons = voronoi(vertices);
  polydraw();
}

 function polydraw() {
  strokeWeight(.3);
  stroke(255);
  poligonos_obj = polygons.reduce(function(result, item, index) {
    result[index] = item; //a, b, c
    return result;
  }, {})

  for (var j = 0, jL = polygons.length; j < jL; j++) {
    var singlegon = polygons[j];
    stroke(255);
    beginShape();
    var colorCordenda = myImg.get(polygons[j]['point'][0], polygons[j]['point'][1])
    fill(colorCordenda);
    colores.push(colorCordenda);
    for (var k = 0, kL = singlegon.length; k < kL; k++){
      vertex(singlegon[k][0], singlegon[k][1]);
    }
    endShape(CLOSE);
  }

  for (var i = 0; i < polygons.length; i++) {
    poligonos_obj[i].unshift(colores[i]);
  }
  save();
  //fin();
}

function fin(){
  count = count + 1;
  saveJSON(poligonos_obj, 'plano'+count+'.json', true);
  plano_objeto = [];
  colores = [];
  console.log(count);
  //clear();
  vertices = d3.range(4000).map(function(d) {
    return [Math.random() * width, Math.random() * height];
  });
  voronoi = d3.geom.voronoi().clipExtent([[0, 0], [width, height]]);
  polygons = voronoi(vertices);
  console.log(listado[count]);
  myImg = loadImage("images/"+listado[count], function(){
    polydraw();
  });
}