//created by luis gil
//http://www.legil.org

import processing.opengl.*;

PImage obama;
float angle = 0;

void setup() {
  size(640, 510, OPENGL); //match size to image size
  obama = loadImage("obama.jpg"); //load whatever image you want
}

void draw() {
  background(55);
  translate(width/2, 0, -100);
  rotateY(angle);
  translate(-width/2, 0, -100);
  beginShape();
  for (int i = 10; i < width; i += 10) {
    for (int j = 10; j < height; j +=10) {
      color pix = obama.get(i, j);
      float bright = brightness(pix);  
      float mappedSize = map(bright, 0, 255, 0, 100);
      stroke(pix);
      //line(i, j, 0, i, j, mappedSize);
      vertex(i,j, mappedSize);
    }
  }
  endShape();
  angle += 0.025;
}