// Dartmouth CS 2, Winter 2009, Chris Bailey-Kellogg
// Notes 19 | Sketch 3
// Based on Processing example Libraries | Video (Movie) | Pixelate

import processing.video.*;

Movie station;
int blockSize = 10;  // how big the pixel rectangles are
int nx, ny;          // how many pixels to draw (calculated in setup()

void setup() 
{
  size(640,480);
  nx = width / blockSize;
  ny = height / blockSize;
  station = new Movie(this, "station.mov");
  station.loop();
  frameRate(10);
}

void draw()
{
  if (station.available()) {
    station.read();
    station.loadPixels();
    for (int y=0; y<ny; y++) {
      for (int x=0; x<nx; x++) {
        // use mouse to pan across underlying image
        int getx = x + (station.width-nx)*mouseX/width;
        int gety = y + (station.height-ny)*mouseY/height;
        fill(station.pixels[getx+gety*station.width]);
        rect(x*blockSize, y*blockSize, blockSize-1, blockSize-1);
      }
    }
  }
}