// Dartmouth CS 2, Winter 2009, Chris Bailey-Kellogg
// Notes 19 | Sketch 5
// Uses movie file from Processing example Libraries | Video (Movie) | Loop

import processing.video.*;

Movie station;
int szx=40,szy=30;  // how big to draw the frames
int nx,ny;          // number of frames across and down (computed in setup)
int x=0,y=0;        // current frame index on frame grid

void setup()
{
  size(800,600);
  nx = width/szx;
  ny = height/szy;
  station = new Movie(this, "station.mov");
  station.loop();
}

void draw()
{ 
  if (station.available()) {  // a movie frame is available for reading
    station.read();           // read it
    // draw it at the current position
    image(station,x*szx,y*szy,szx,szy);
    // advance the position, wrapping around in x and y
    x++;
    if (x==nx) {
      x=0; y++;
      if (y==ny) y=0;
    }
  }
}