import processing.opengl.*;

import codeanticode.glgraphics.*;

import codeanticode.gsvideo.*;

GSCapture cam;

GSMovie[] movie=new GSMovie[3];

GLTexture[] tex=new GLTexture[3];

int index;

GSMovie mv;

PImage prevFrame;

int counter=0;

void setup() {

  size(640, 480, GLConstants.GLGRAPHICS);

  cam = new GSCapture(this, 640, 480);

  cam.start();

  // Use texture tex as the destination for the camera pixels.

  tex[0] = new GLTexture(this);

  tex[1] = new GLTexture(this);

  tex[2] = new GLTexture(this);

  movie[0]=new GSMovie(this, "smoke.mov");

  movie[1]=new GSMovie(this, "Drift.mov");

  movie[2]=new GSMovie(this, "Galardo.mov");

  for (int i=0;i<movie.length;i++) {

    movie[i].setPixelDest(tex[i]);

  }

  prevFrame = createImage(cam.width, cam.height, RGB);

  

  

  for(int i=movie.length-1;i>0;i--){

    int j=int(random(i+1));

    //swap

    

    mv=movie[i];

    movie[i]=movie[j];

    movie[j]=mv;

  }

}

void captureEvent(GSCapture cam) {

  cam.read();

}

void movieEvent(GSMovie movie) {

  movie.read();

}

void draw() {

  background(255);

  image(cam, 0, 0);

  MovieonMovementDisplay();

  for (int i=0;i<tex.length;i++) {

    if (tex[i].putPixelsIntoTexture()) {

      image(tex[i], 0, 0);

    }

  }

  

}

void MovieonMovementDisplay() {

  if (cam.available()) {

    prevFrame.copy(cam, 0, 0, cam.width, cam.height, 0, 0, cam.width, cam.height);

    prevFrame.updatePixels();

    cam.read();

  }

  loadPixels();

  cam.loadPixels();

  prevFrame.loadPixels();

  float totalMotion=0;

  for (int i = 0; i < cam.pixels.length; i ++ ) {

    color current = cam.pixels[i];

    color previous= prevFrame.pixels[i];

    float r1 = red(current); 

    float g1 = green(current);

    float b1 = blue(current);

    float r2 = red(previous); 

    float g2 = green(previous);

    float b2 = blue(previous);

    float diff = dist(r1, g1, b1, r2, g2, b2);

    totalMotion += diff;

  }

  float avgMotion = totalMotion / cam.pixels.length; 

  println(avgMotion+"----AvgMotion");

  println("---------");

  for (int i=0;i<movie.length;i++) {

    println(movie[i].time());

  }

      int index=constrain(movie.length,0,2);

      float time=movie[index].time();

      if((avgMotion>30)&&(avgMotion<80)){

         movie[index].play();

              

      }

      

      if(movie[index].isPlaying()){

        if(time==movie[index].time()){

          movie[int(random(0,movie.length))].jump(0);

        }

      }       

          

}