middleware/Tracking/Postures/CrossDetector.cs
author bastiena
Sat, 18 Aug 2012 02:51:09 +0200
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/*
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* This file is part of the TraKERS\Middleware package.
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*
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* (c) IRI <http://www.iri.centrepompidou.fr/>
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*
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* For the full copyright and license information, please view the LICENSE
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* file that was distributed with this source code.
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*/
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/*
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 * Projet : TraKERS
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 * Module : MIDDLEWARE
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 * Sous-Module : Tracking/Postures
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 * Classe : CrossDetector
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 * 
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 * Auteur : alexandre.bastien@iri.centrepompidou.fr
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 * 
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 * Fonctionnalités : Permet de détecter si l'utilisateur a croisé les bras en X, en se basant sur
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 * des règles appliquées à la positions des noeuds dans le temps.
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 */
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using System;
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using System.Collections.Generic;
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using System.Linq;
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using System.Text;
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using Microsoft.Kinect;
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using Trakers.Debug;
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namespace Trakers.Tracking.Postures
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{
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    public class CrossDetector : PostureDetector
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    {
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        public CrossDetector(DebugWindow _debug) : base(_debug)
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        {
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        }
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        /*
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         * Méthode de détection du penché.
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         */
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        public bool CheckForCross()
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        {
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            //Crée un état local afin de pouvoir analyser s'il y a une posture.
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            List<Joint> localState = new List<Joint>(currentState);
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            //La distance de référence est ici la distance entre le milieu du dos et le milieu des épaules.
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            refDistance = Math.Abs(localState[(int)JointType.Spine].Position.Y - localState[(int)JointType.ShoulderCenter].Position.Y);
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            /*if (localState[(int)JointType.HandLeft].Position.Y < localState[(int)JointType.ElbowLeft].Position.Y - refDistance / 2)
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                debug.onR0(true);
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            else
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                debug.onR0(false);
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            if (localState[(int)JointType.HandRight].Position.Y < localState[(int)JointType.ElbowRight].Position.Y - refDistance / 2)
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                debug.onR1(true);
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            else
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                debug.onR1(false);
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            if (localState[(int)JointType.ElbowLeft].Position.X + refDistance / 2 < localState[(int)JointType.ElbowRight].Position.X)
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                debug.onR2(true);
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            else
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                debug.onR2(false);
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            if (localState[(int)JointType.HandLeft].Position.X + refDistance / 2 > localState[(int)JointType.HandRight].Position.X)
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                debug.onR3(true);
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            else
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                debug.onR3(false);*/
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            //Si la position Y de la main gauche n'est pas plus haute de la distance de référence que le coude gauche
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            //OU si la position Y de la main droite n'est pas plus haute de la distance de référence que le coude droit
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            //OU si la position X du coude gauche n'est pas plus à gauche de la distance de référence/2 que le coude droit
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            //OU si la position X de la main gauche n'est pas plus à droite de la distance de référence/4 que la main gauche.
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            //Alors l'utilisateur ne croise pas les bras.
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            /*if (localState[(int)JointType.HandRight].Position.Y > localState[(int)JointType.ElbowRight].Position.Y + refDistance ||
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            localState[(int)JointType.HandRight].Position.Y > localState[(int)JointType.HipCenter].Position.Y ||
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            localState[(int)JointType.HandRight].Position.Y > localState[(int)JointType.WristRight].Position.Y + refDistance / 4)
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                return false;
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            return true;*/
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            return false;
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        }
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    }
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}