Voronoi Tread Image - Processing script that drives across the middle of an image, sampling colors and displaying data

VoronoiImageTread.pde

import toxi.geom.*;
import toxi.geom.mesh2d.*;
import toxi.util.*;
import toxi.util.datatypes.*;
import toxi.processing.*;


Voronoi vo = new Voronoi();
ToxiclibsSupport gfx;
PImage cm = new PImage(1280,720);
PImage pic;

void setup() {
  size(1280, 720);
  gfx = new ToxiclibsSupport(this);
  
  // load pic here
  // pic = loadImage("IMG_6319.jpg");
  
  background(0);

  for (int i=0;i<width;i+=width/14) {
    vo.addPoint(new Vec2D(i,0));
    vo.addPoint(new Vec2D(i,height/2-50));
    vo.addPoint(new Vec2D(i,height/2-100));
  } 
  for (int i=0;i<width;i+=width/13) {
    vo.addPoint(new Vec2D(i,height/2+100));
    vo.addPoint(new Vec2D(i,height/2+50));
    vo.addPoint(new Vec2D(i,height));
  } 
  
  cm.copy(pic,0,0,pic.width,pic.height,0,0,1280,720);
  
  image(cm,0,0,1280,720);
  
  stroke(200);
  strokeWeight(2);
  noFill();

  int c= 0;
  
  for (Polygon2D poly : vo.getRegions()) {
    Vec2D cn = poly.getCentroid();
    fill(cm.get((int)cn.x,(int)cn.y));
    gfx.polygon2D(poly);
    fill(255);
    text(""+c,cn.x-4,cn.y);
    text("#"+hex(cm.get((int)cn.x,(int)cn.y),6),cn.x-28,cn.y+16);
    c++;
  }

  noFill();
  stroke(255, 50);
  beginShape(TRIANGLES);
  for (Triangle2D t : vo.getTriangles()) {
    Vec2D cn = t.computeCentroid();
    gfx.triangle(t, false);
  }
  endShape();

  save("render.png");
}