TuioContainer.h
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00001 /* 00002 TUIO C++ Library - part of the reacTIVision project 00003 http://reactivision.sourceforge.net/ 00004 00005 Copyright (c) 2005-2009 Martin Kaltenbrunner <mkalten@iua.upf.edu> 00006 00007 This program is free software; you can redistribute it and/or modify 00008 it under the terms of the GNU General Public License as published by 00009 the Free Software Foundation; either version 2 of the License, or 00010 (at your option) any later version. 00011 00012 This program is distributed in the hope that it will be useful, 00013 but WITHOUT ANY WARRANTY; without even the implied warranty of 00014 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 00015 GNU General Public License for more details. 00016 00017 You should have received a copy of the GNU General Public License 00018 along with this program; if not, write to the Free Software 00019 Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA 00020 */ 00021 00022 #ifndef INCLUDED_TUIOCONTAINER_H 00023 #define INCLUDED_TUIOCONTAINER_H 00024 00025 #include <list> 00026 #include <math.h> 00027 #include "TuioPoint.h" 00028 #include <iostream> 00029 00030 #define TUIO_ADDED 0 00031 #define TUIO_ACCELERATING 1 00032 #define TUIO_DECELERATING 2 00033 #define TUIO_STOPPED 3 00034 #define TUIO_REMOVED 4 00035 00036 namespace TUIO { 00037 00044 class TuioContainer: public TuioPoint { 00045 00046 protected: 00050 long session_id; 00054 float x_speed; 00058 float y_speed; 00062 float motion_speed; 00066 float motion_accel; 00070 std::list<TuioPoint> path; 00074 int state; 00075 00076 public: 00086 TuioContainer (TuioTime ttime, long si, float xp, float yp):TuioPoint(ttime, xp,yp) { 00087 session_id = si; 00088 x_speed = 0.0f; 00089 y_speed = 0.0f; 00090 motion_speed = 0.0f; 00091 motion_accel = 0.0f; 00092 TuioPoint p(currentTime,xpos,ypos); 00093 path.push_back(p); 00094 00095 state = TUIO_ADDED; 00096 }; 00097 00106 TuioContainer (long si, float xp, float yp):TuioPoint(xp,yp) { 00107 session_id = si; 00108 x_speed = 0.0f; 00109 y_speed = 0.0f; 00110 motion_speed = 0.0f; 00111 motion_accel = 0.0f; 00112 TuioPoint p(currentTime,xpos,ypos); 00113 path.push_back(p); 00114 00115 state = TUIO_ADDED; 00116 }; 00117 00124 TuioContainer (TuioContainer *tcon):TuioPoint(tcon) { 00125 session_id = tcon->getSessionID(); 00126 x_speed = 0.0f; 00127 y_speed = 0.0f; 00128 motion_speed = 0.0f; 00129 motion_accel = 0.0f; 00130 TuioPoint p(currentTime,xpos,ypos); 00131 path.push_back(p); 00132 00133 state = TUIO_ADDED; 00134 }; 00135 00139 virtual ~TuioContainer(){}; 00140 00150 virtual void update (TuioTime ttime, float xp, float yp) { 00151 TuioPoint lastPoint = path.back(); 00152 TuioPoint::update(ttime,xp, yp); 00153 00154 TuioTime diffTime = currentTime - lastPoint.getTuioTime(); 00155 float dt = diffTime.getTotalMilliseconds()/1000.0f; 00156 float dx = xpos - lastPoint.getX(); 00157 float dy = ypos - lastPoint.getY(); 00158 float dist = sqrt(dx*dx+dy*dy); 00159 float last_motion_speed = motion_speed; 00160 00161 x_speed = dx/dt; 00162 y_speed = dy/dt; 00163 motion_speed = dist/dt; 00164 motion_accel = (motion_speed - last_motion_speed)/dt; 00165 00166 TuioPoint p(currentTime,xpos,ypos); 00167 path.push_back(p); 00168 00169 if (motion_accel>0) state = TUIO_ACCELERATING; 00170 else if (motion_accel<0) state = TUIO_DECELERATING; 00171 else state = TUIO_STOPPED; 00172 }; 00173 00174 00179 virtual void stop(TuioTime ttime) { 00180 update(ttime,xpos,ypos); 00181 }; 00182 00195 virtual void update (TuioTime ttime, float xp, float yp, float xs, float ys, float ma) { 00196 TuioPoint::update(ttime,xp, yp); 00197 x_speed = xs; 00198 y_speed = ys; 00199 motion_speed = (float)sqrt(x_speed*x_speed+y_speed*y_speed); 00200 motion_accel = ma; 00201 00202 TuioPoint p(currentTime,xpos,ypos); 00203 path.push_back(p); 00204 00205 if (motion_accel>0) state = TUIO_ACCELERATING; 00206 else if (motion_accel<0) state = TUIO_DECELERATING; 00207 else state = TUIO_STOPPED; 00208 }; 00209 00220 virtual void update (float xp, float yp, float xs, float ys, float ma) { 00221 TuioPoint::update(xp,yp); 00222 x_speed = xs; 00223 y_speed = ys; 00224 motion_speed = (float)sqrt(x_speed*x_speed+y_speed*y_speed); 00225 motion_accel = ma; 00226 00227 path.pop_back(); 00228 TuioPoint p(currentTime,xpos,ypos); 00229 path.push_back(p); 00230 00231 if (motion_accel>0) state = TUIO_ACCELERATING; 00232 else if (motion_accel<0) state = TUIO_DECELERATING; 00233 else state = TUIO_STOPPED; 00234 }; 00235 00243 virtual void update (TuioContainer *tcon) { 00244 TuioPoint::update(tcon); 00245 x_speed = tcon->getXSpeed(); 00246 y_speed = tcon->getYSpeed(); 00247 motion_speed = tcon->getMotionSpeed(); 00248 motion_accel = tcon->getMotionAccel(); 00249 00250 TuioPoint p(tcon->getTuioTime(),xpos,ypos); 00251 path.push_back(p); 00252 00253 if (motion_accel>0) state = TUIO_ACCELERATING; 00254 else if (motion_accel<0) state = TUIO_DECELERATING; 00255 else state = TUIO_STOPPED; 00256 }; 00257 00264 virtual void remove(TuioTime ttime) { 00265 currentTime = ttime; 00266 state = TUIO_REMOVED; 00267 } 00268 00273 virtual long getSessionID() { 00274 return session_id; 00275 }; 00276 00281 virtual float getXSpeed() { 00282 return x_speed; 00283 }; 00284 00289 virtual float getYSpeed() { 00290 return y_speed; 00291 }; 00292 00297 virtual TuioPoint getPosition() { 00298 TuioPoint p(xpos,ypos); 00299 return p; 00300 }; 00301 00306 virtual std::list<TuioPoint> getPath() { 00307 return path; 00308 }; 00309 00314 virtual float getMotionSpeed() { 00315 return motion_speed; 00316 }; 00317 00322 virtual float getMotionAccel() { 00323 return motion_accel; 00324 }; 00325 00330 virtual int getTuioState() { 00331 return state; 00332 }; 00333 00338 virtual bool isMoving() { 00339 if ((state==TUIO_ACCELERATING) || (state==TUIO_DECELERATING)) return true; 00340 else return false; 00341 }; 00342 }; 00343 }; 00344 #endif
