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/* |
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TUIO Java backend - part of the reacTIVision project |
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http://reactivision.sourceforge.net/ |
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Copyright (c) 2005-2009 Martin Kaltenbrunner <mkalten@iua.upf.edu> |
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This program is free software; you can redistribute it and/or modify |
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it under the terms of the GNU General Public License as published by |
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the Free Software Foundation; either version 2 of the License, or |
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(at your option) any later version. |
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This program is distributed in the hope that it will be useful, |
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but WITHOUT ANY WARRANTY; without even the implied warranty of |
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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GNU General Public License for more details. |
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You should have received a copy of the GNU General Public License |
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along with this program; if not, write to the Free Software |
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Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
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*/ |
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package TUIO; |
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import java.util.*; |
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/** |
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* The abstract TuioContainer class defines common attributes that apply to both subclasses {@link TuioObject} and {@link TuioCursor}. |
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* |
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* @author Martin Kaltenbrunner |
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* @version 1.4 |
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*/ |
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abstract class TuioContainer extends TuioPoint { |
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/** |
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* The unique session ID number that is assigned to each TUIO object or cursor. |
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*/ |
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protected long session_id; |
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/** |
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* The X-axis velocity value. |
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*/ |
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protected float x_speed; |
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/** |
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* The Y-axis velocity value. |
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*/ |
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protected float y_speed; |
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/** |
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* The motion speed value. |
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*/ |
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protected float motion_speed; |
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/** |
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* The motion acceleration value. |
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*/ |
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protected float motion_accel; |
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/** |
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* A Vector of TuioPoints containing all the previous positions of the TUIO component. |
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*/ |
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protected Vector<TuioPoint> path; |
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/** |
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* Defines the ADDED state. |
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*/ |
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public static final int TUIO_ADDED = 0; |
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/** |
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* Defines the ACCELERATING state. |
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*/ |
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public static final int TUIO_ACCELERATING = 1; |
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/** |
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* Defines the DECELERATING state. |
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*/ |
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public static final int TUIO_DECELERATING = 2; |
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/** |
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* Defines the STOPPED state. |
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*/ |
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public static final int TUIO_STOPPED = 3; |
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/** |
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* Defines the REMOVED state. |
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*/ |
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public static final int TUIO_REMOVED = 4; |
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/** |
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* Reflects the current state of the TuioComponent |
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*/ |
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protected int state; |
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/** |
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* This constructor takes a TuioTime argument and assigns it along with the provided |
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* Session ID, X and Y coordinate to the newly created TuioContainer. |
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* |
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* @param ttime the TuioTime to assign |
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* @param si the Session ID to assign |
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* @param xp the X coordinate to assign |
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* @param yp the Y coordinate to assign |
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*/ |
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TuioContainer(TuioTime ttime, long si, float xp, float yp) { |
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super(ttime,xp,yp); |
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session_id = si; |
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x_speed = 0.0f; |
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y_speed = 0.0f; |
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motion_speed = 0.0f; |
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motion_accel = 0.0f; |
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path = new Vector<TuioPoint>(); |
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path.addElement(new TuioPoint(currentTime,xpos,ypos)); |
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state = TUIO_ADDED; |
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} |
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/** |
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* This constructor takes a TuioTime argument and assigns it along with the provided |
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* Session ID, X, Y and Z coordinate to the newly created TuioContainer. |
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* |
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* @param ttime the TuioTime to assign |
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* @param si the Session ID to assign |
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* @param xp the X coordinate to assign |
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* @param yp the Y coordinate to assign |
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* @param zp the Z coordinate to assign |
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*/ |
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TuioContainer(TuioTime ttime, long si, float xp, float yp, float zp) { |
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super(ttime,xp,yp, zp); |
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session_id = si; |
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x_speed = 0.0f; |
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y_speed = 0.0f; |
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motion_speed = 0.0f; |
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motion_accel = 0.0f; |
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path = new Vector<TuioPoint>(); |
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path.addElement(new TuioPoint(currentTime,xpos,ypos,zpos)); |
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state = TUIO_ADDED; |
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} |
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/** |
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* This constructor takes the provided Session ID, X and Y coordinate |
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* and assigs these values to the newly created TuioContainer. |
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* |
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* @param si the Session ID to assign |
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* @param xp the X coordinate to assign |
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* @param yp the Y coordinate to assign |
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*/ |
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TuioContainer(long si, float xp, float yp) { |
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super(xp,yp); |
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session_id = si; |
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x_speed = 0.0f; |
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y_speed = 0.0f; |
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motion_speed = 0.0f; |
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motion_accel = 0.0f; |
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path = new Vector<TuioPoint>(); |
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path.addElement(new TuioPoint(currentTime,xpos,ypos)); |
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state = TUIO_ADDED; |
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} |
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/** |
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* This constructor takes the provided Session ID, X, Y and Z coordinate |
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* and assigs these values to the newly created TuioContainer. |
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* |
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* @param si the Session ID to assign |
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* @param xp the X coordinate to assign |
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* @param yp the Y coordinate to assign |
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* @param zp the Z coordinate to assign |
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*/ |
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TuioContainer(long si, float xp, float yp, float zp) { |
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super(xp,yp,zp); |
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session_id = si; |
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x_speed = 0.0f; |
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y_speed = 0.0f; |
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motion_speed = 0.0f; |
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motion_accel = 0.0f; |
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path = new Vector<TuioPoint>(); |
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path.addElement(new TuioPoint(currentTime,xpos,ypos,zpos)); |
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state = TUIO_ADDED; |
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} |
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/** |
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* This constructor takes the atttibutes of the provided TuioContainer |
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* and assigs these values to the newly created TuioContainer. |
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* |
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* @param tcon the TuioContainer to assign |
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*/ |
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TuioContainer(TuioContainer tcon) { |
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super(tcon); |
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session_id = tcon.getSessionID(); |
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x_speed = 0.0f; |
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y_speed = 0.0f; |
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motion_speed = 0.0f; |
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motion_accel = 0.0f; |
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path = new Vector<TuioPoint>(); |
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path.addElement(new TuioPoint(currentTime,xpos,ypos,zpos)); |
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state = TUIO_ADDED; |
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} |
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/** |
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* Takes a TuioTime argument and assigns it along with the provided |
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* X and Y coordinate to the private TuioContainer attributes. |
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* The speed and accleration values are calculated accordingly. |
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* |
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* @param ttime the TuioTime to assign |
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* @param xp the X coordinate to assign |
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* @param yp the Y coordinate to assign |
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*/ |
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public void update(TuioTime ttime, float xp, float yp) { |
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TuioPoint lastPoint = path.lastElement(); |
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super.update(ttime,xp,yp); |
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TuioTime diffTime = currentTime.subtract(lastPoint.getTuioTime()); |
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float dt = diffTime.getTotalMilliseconds()/1000.0f; |
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float dx = this.xpos - lastPoint.getX(); |
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float dy = this.ypos - lastPoint.getY(); |
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float dist = (float)Math.sqrt(dx*dx+dy*dy); |
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float last_motion_speed = this.motion_speed; |
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this.x_speed = dx/dt; |
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this.y_speed = dy/dt; |
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this.motion_speed = dist/dt; |
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this.motion_accel = (motion_speed - last_motion_speed)/dt; |
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path.addElement(new TuioPoint(currentTime,xpos,ypos)); |
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if (motion_accel>0) state = TUIO_ACCELERATING; |
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else if (motion_accel<0) state = TUIO_DECELERATING; |
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else state = TUIO_STOPPED; |
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} |
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/** |
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* Takes a TuioTime argument and assigns it along with the provided |
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* X, Y and Z coordinate to the private TuioContainer attributes. |
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* The speed and accleration values are calculated accordingly. |
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* |
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* @param ttime the TuioTime to assign |
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* @param xp the X coordinate to assign |
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* @param yp the Y coordinate to assign |
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* @param zp the Z coordinate to assign |
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*/ |
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public void update(TuioTime ttime, float xp, float yp, float zp) { |
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TuioPoint lastPoint = path.lastElement(); |
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super.update(ttime,xp,yp,zp); |
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TuioTime diffTime = currentTime.subtract(lastPoint.getTuioTime()); |
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float dt = diffTime.getTotalMilliseconds()/1000.0f; |
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float dx = this.xpos - lastPoint.getX(); |
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float dy = this.ypos - lastPoint.getY(); |
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float dz = this.zpos - lastPoint.getZ(); |
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float dist = (float)Math.sqrt(dx*dx+dy*dy+dz*dz); |
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float last_motion_speed = this.motion_speed; |
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this.x_speed = dx/dt; |
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this.y_speed = dy/dt; |
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this.motion_speed = dist/dt; |
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this.motion_accel = (motion_speed - last_motion_speed)/dt; |
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path.addElement(new TuioPoint(currentTime,xpos,ypos,zpos)); |
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if (motion_accel>0) state = TUIO_ACCELERATING; |
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else if (motion_accel<0) state = TUIO_DECELERATING; |
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else state = TUIO_STOPPED; |
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} |
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/** |
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* This method is used to calculate the speed and acceleration values of |
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* TuioContainers with unchanged positions. |
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*/ |
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public void stop(TuioTime ttime) { |
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update(ttime,xpos,ypos,zpos); |
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} |
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/** |
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* Takes a TuioTime argument and assigns it along with the provided |
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* X and Y coordinate, X and Y velocity and acceleration |
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* to the private TuioContainer attributes. |
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* |
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* @param ttime the TuioTime to assign |
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* @param xp the X coordinate to assign |
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* @param yp the Y coordinate to assign |
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* @param xs the X velocity to assign |
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* @param ys the Y velocity to assign |
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* @param ma the acceleration to assign |
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*/ |
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public void update(TuioTime ttime, float xp, float yp , float xs, float ys, float ma) { |
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super.update(ttime,xp,yp); |
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x_speed = xs; |
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y_speed = ys; |
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motion_speed = (float)Math.sqrt(x_speed*x_speed+y_speed*y_speed); |
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motion_accel = ma; |
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path.addElement(new TuioPoint(currentTime,xpos,ypos)); |
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if (motion_accel>0) state = TUIO_ACCELERATING; |
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else if (motion_accel<0) state = TUIO_DECELERATING; |
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else state = TUIO_STOPPED; |
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} |
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/** |
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* Takes a TuioTime argument and assigns it along with the provided |
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* X, Y and Z coordinate, X and Y velocity and acceleration |
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* to the private TuioContainer attributes. |
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* |
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* @param ttime the TuioTime to assign |
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* @param xp the X coordinate to assign |
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* @param yp the Y coordinate to assign |
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* @param zp the Z coordinate to assign |
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* @param xs the X velocity to assign |
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* @param ys the Y velocity to assign |
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* @param ma the acceleration to assign |
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*/ |
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public void update(TuioTime ttime, float xp, float yp, float zp , float xs, float ys, float ma) { |
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super.update(ttime,xp,yp,zp); |
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x_speed = xs; |
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y_speed = ys; |
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motion_speed = (float)Math.sqrt(x_speed*x_speed+y_speed*y_speed); |
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motion_accel = ma; |
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path.addElement(new TuioPoint(currentTime,xpos,ypos,zpos)); |
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if (motion_accel>0) state = TUIO_ACCELERATING; |
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else if (motion_accel<0) state = TUIO_DECELERATING; |
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else state = TUIO_STOPPED; |
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} |
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/** |
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* Assigns the provided X and Y coordinate, X and Y velocity and acceleration |
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* to the private TuioContainer attributes. The TuioTime time stamp remains unchanged. |
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* |
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* @param xp the X coordinate to assign |
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* @param yp the Y coordinate to assign |
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* @param xs the X velocity to assign |
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* @param ys the Y velocity to assign |
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* @param ma the acceleration to assign |
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*/ |
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public void update(float xp, float yp,float xs,float ys,float ma) { |
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super.update(xp,yp); |
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x_speed = xs; |
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y_speed = ys; |
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motion_speed = (float)Math.sqrt(x_speed*x_speed+y_speed*y_speed); |
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motion_accel = ma; |
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path.addElement(new TuioPoint(currentTime,xpos,ypos)); |
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if (motion_accel>0) state = TUIO_ACCELERATING; |
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else if (motion_accel<0) state = TUIO_DECELERATING; |
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else state = TUIO_STOPPED; |
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} |
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/** |
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* Assigns the provided X, Y and Z coordinate, X and Y velocity and acceleration |
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* to the private TuioContainer attributes. The TuioTime time stamp remains unchanged. |
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* |
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* @param xp the X coordinate to assign |
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* @param yp the Y coordinate to assign |
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* @param zp the Z coordinate to assign |
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* @param xs the X velocity to assign |
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* @param ys the Y velocity to assign |
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* @param ma the acceleration to assign |
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*/ |
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public void update(float xp, float yp, float zp,float xs,float ys,float ma) { |
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super.update(xp,yp,zp); |
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x_speed = xs; |
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y_speed = ys; |
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motion_speed = (float)Math.sqrt(x_speed*x_speed+y_speed*y_speed); |
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motion_accel = ma; |
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path.addElement(new TuioPoint(currentTime,xpos,ypos,zpos)); |
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if (motion_accel>0) state = TUIO_ACCELERATING; |
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else if (motion_accel<0) state = TUIO_DECELERATING; |
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else state = TUIO_STOPPED; |
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} |
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/** |
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* Takes the atttibutes of the provided TuioContainer |
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* and assigs these values to this TuioContainer. |
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* The TuioTime time stamp of this TuioContainer remains unchanged. |
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* |
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* @param tcon the TuioContainer to assign |
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*/ |
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public void update (TuioContainer tcon) { |
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super.update(tcon); |
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x_speed = tcon.getXSpeed(); |
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y_speed = tcon.getYSpeed(); |
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motion_speed = tcon.getMotionSpeed(); |
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motion_accel = tcon.getMotionAccel(); |
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path.addElement(new TuioPoint(currentTime,xpos,ypos,zpos)); |
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374 |
if (motion_accel>0) state = TUIO_ACCELERATING; |
|
|
375 |
else if (motion_accel<0) state = TUIO_DECELERATING; |
|
|
376 |
else state = TUIO_STOPPED; |
|
|
377 |
} |
|
|
378 |
|
|
|
379 |
/** |
|
|
380 |
* Assigns the REMOVE state to this TuioContainer and sets |
|
|
381 |
* its TuioTime time stamp to the provided TuioTime argument. |
|
|
382 |
* |
|
|
383 |
* @param ttime the TuioTime to assign |
|
|
384 |
*/ |
|
|
385 |
public void remove(TuioTime ttime) { |
|
|
386 |
currentTime = new TuioTime(ttime); |
|
|
387 |
state = TUIO_REMOVED; |
|
|
388 |
} |
|
|
389 |
|
|
|
390 |
/** |
|
|
391 |
* Returns the Session ID of this TuioContainer. |
|
|
392 |
* @return the Session ID of this TuioContainer |
|
|
393 |
*/ |
|
|
394 |
public long getSessionID() { |
|
|
395 |
return session_id; |
|
|
396 |
} |
|
|
397 |
|
|
|
398 |
/** |
|
|
399 |
* Returns the X velocity of this TuioContainer. |
|
|
400 |
* @return the X velocity of this TuioContainer |
|
|
401 |
*/ |
|
|
402 |
public float getXSpeed() { |
|
|
403 |
return x_speed; |
|
|
404 |
} |
|
|
405 |
|
|
|
406 |
/** |
|
|
407 |
* Returns the Y velocity of this TuioContainer. |
|
|
408 |
* @return the Y velocity of this TuioContainer |
|
|
409 |
*/ |
|
|
410 |
public float getYSpeed() { |
|
|
411 |
return y_speed; |
|
|
412 |
} |
|
|
413 |
|
|
|
414 |
/** |
|
|
415 |
* Returns the position of this TuioContainer. |
|
|
416 |
* @return the position of this TuioContainer |
|
|
417 |
*/ |
|
|
418 |
public TuioPoint getPosition() { |
|
|
419 |
return new TuioPoint(xpos,ypos,zpos); |
|
|
420 |
} |
|
|
421 |
|
|
|
422 |
/** |
|
|
423 |
* Returns the path of this TuioContainer. |
|
|
424 |
* @return the path of this TuioContainer |
|
|
425 |
*/ |
|
|
426 |
public Vector<TuioPoint> getPath() { |
|
|
427 |
return path; |
|
|
428 |
} |
|
|
429 |
|
|
|
430 |
/** |
|
|
431 |
* Returns the motion speed of this TuioContainer. |
|
|
432 |
* @return the motion speed of this TuioContainer |
|
|
433 |
*/ |
|
|
434 |
public float getMotionSpeed() { |
|
|
435 |
return motion_speed; |
|
|
436 |
} |
|
|
437 |
|
|
|
438 |
/** |
|
|
439 |
* Returns the motion acceleration of this TuioContainer. |
|
|
440 |
* @return the motion acceleration of this TuioContainer |
|
|
441 |
*/ |
|
|
442 |
public float getMotionAccel() { |
|
|
443 |
return motion_accel; |
|
|
444 |
} |
|
|
445 |
|
|
|
446 |
/** |
|
|
447 |
* Returns the TUIO state of this TuioContainer. |
|
|
448 |
* @return the TUIO state of this TuioContainer |
|
|
449 |
*/ |
|
|
450 |
public int getTuioState() { |
|
|
451 |
return state; |
|
|
452 |
} |
|
|
453 |
|
|
|
454 |
/** |
|
|
455 |
* Returns true of this TuioContainer is moving. |
|
|
456 |
* @return true of this TuioContainer is moving |
|
|
457 |
*/ |
|
|
458 |
public boolean isMoving() { |
|
|
459 |
if ((state==TUIO_ACCELERATING) || (state==TUIO_DECELERATING)) return true; |
|
|
460 |
else return false; |
|
|
461 |
} |
|
|
462 |
|
|
0
|
463 |
} |