* This file is part of the TraKERS\Front Processing package.

*

* (c) IRI <http://www.iri.centrepompidou.fr/>

*

* For the full copyright and license information, please view the LICENSE_FRONT

* file that was distributed with this source code.

*/

// fluid3 by Glen Murphy.

// View the applet in use at http://bodytag.org/

// Code has not been optimised, and will run fairly slowly.

// Adjust the 'RES' variable below to change speed - higher is faster.

// Don't forget to change the size command in setup if changing the

// height/width.

import TUIO.*;

TuioProcessing tuioClient;

TuioPoint precPoint;

//Port du Client TUIO.

int port = 80;

//Limites de la zone de recherche pour les mains.

float minDistHands = 1;

float maxDistHands = 1.5;

//Paramètres de la fenêtre.

int WIDTH = 640;

int HEIGHT = 480;

int RES = 2;

int PENSIZE = 30;

int lwidth = WIDTH/RES;

int lheight = HEIGHT/RES;

int PNUM = 30000;

vsquare[][] v = new vsquare[lwidth+1][lheight+1];

vbuffer[][] vbuf = new vbuffer[lwidth+1][lheight+1];

TuioPoint pt1, pt2, precPt1, precPt2;

particle[] p = new particle[PNUM];

int pcount = 0;

int mouse1Xvel = 0;

int mouse1Yvel = 0;

int mouse2Xvel = 0;

int mouse2Yvel = 0;

/*FONCTION D'INITIALISATION

Entrée :

Sortie : Création de la fenêtre et du client TUIO*/

public void setup()

{

    size (WIDTH, HEIGHT);

    tuioClient = new TuioProcessing(this, port);

    background(#666666);

    noStroke();

    for(int i = 0; i < PNUM; i++)

    {

        p[i] = new particle(random(RES,WIDTH-RES),random(RES,HEIGHT-RES));

    }

    for(int i = 0; i <= lwidth; i++)

    {

        for(int u = 0; u <= lheight; u++)

        {

            v[i][u] = new vsquare(i*RES,u*RES);

            vbuf[i][u] = new vbuffer(i*RES,u*RES);

        }

    }

}

void draw()

{

    tuioInput();

    if(precPt1 != pt1 || precPt2 != pt2)

    {

      int a1xvel = 0, a1yvel = 0, a2xvel = 0, a2yvel = 0;

      if(precPt1 != null && pt1 != null)

      {

        a1xvel = (int)pt1.getX()-(int)precPt1.getX();

        a1yvel = (int)pt1.getY()-(int)precPt1.getY();

        mouse1Xvel = (a1xvel != mouse1Xvel) ? a1xvel : 0;

        mouse1Yvel = (a1yvel != mouse1Yvel) ? a1yvel : 0;

      }

      if(precPt2 != null && pt2 != null)

      {

        a2xvel = (int)pt2.getX()-(int)precPt2.getX();

        a2yvel = (int)pt2.getY()-(int)precPt2.getY();

        mouse2Xvel = (a2xvel != mouse2Xvel) ? a2xvel : 0;

        mouse2Yvel = (a2yvel != mouse2Yvel) ? a2yvel : 0;

      }

      for(int i = 0; i < lwidth; i++)

      {

          for(int u = 0; u < lheight; u++)

          {

              vbuf[i][u].updatebuf(i,u);

              v[i][u].col = 32;

          }

      }

      for(int i = 0; i < PNUM-1; i++)

      {

          p[i].updatepos();

      }

      for(int i = 0; i < lwidth; i++)

      {

          for(int u = 0; u < lheight; u++)

          {

              v[i][u].addbuffer(i, u);

              v[i][u].updatevels(mouse1Xvel, mouse1Yvel, pt1);

              if(pt2 != null)

                v[i][u].updatevels(mouse2Xvel, mouse2Yvel, pt2);

              v[i][u].display(i, u);

          }

      }

      precPt1 = pt1;

      precPt2 = pt2;

    }

}

void update(TuioPoint _pt1, TuioPoint _pt2)

{

  pt1 = _pt1;

  pt2 = _pt2;

}