--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/front_processing/extern/TUIO_JAVA/src/TUIO/TuioContainer.java Fri Mar 09 14:52:11 2012 +0100
@@ -0,0 +1,335 @@
+/*
+ TUIO Java backend - part of the reacTIVision project
+ http://reactivision.sourceforge.net/
+
+ Copyright (c) 2005-2009 Martin Kaltenbrunner <mkalten@iua.upf.edu>
+
+ This program is free software; you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation; either version 2 of the License, or
+ (at your option) any later version.
+
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program; if not, write to the Free Software
+ Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ */
+package TUIO;
+
+import java.util.*;
+
+/**
+ * The abstract TuioContainer class defines common attributes that apply to both subclasses {@link TuioObject} and {@link TuioCursor}.
+ *
+ * @author Martin Kaltenbrunner
+ * @version 1.4
+ */
+abstract class TuioContainer extends TuioPoint {
+
+ /**
+ * The unique session ID number that is assigned to each TUIO object or cursor.
+ */
+ protected long session_id;
+ /**
+ * The X-axis velocity value.
+ */
+ protected float x_speed;
+ /**
+ * The Y-axis velocity value.
+ */
+ protected float y_speed;
+ /**
+ * The motion speed value.
+ */
+ protected float motion_speed;
+ /**
+ * The motion acceleration value.
+ */
+ protected float motion_accel;
+ /**
+ * A Vector of TuioPoints containing all the previous positions of the TUIO component.
+ */
+ protected Vector<TuioPoint> path;
+ /**
+ * Defines the ADDED state.
+ */
+ public static final int TUIO_ADDED = 0;
+ /**
+ * Defines the ACCELERATING state.
+ */
+ public static final int TUIO_ACCELERATING = 1;
+ /**
+ * Defines the DECELERATING state.
+ */
+ public static final int TUIO_DECELERATING = 2;
+ /**
+ * Defines the STOPPED state.
+ */
+ public static final int TUIO_STOPPED = 3;
+ /**
+ * Defines the REMOVED state.
+ */
+ public static final int TUIO_REMOVED = 4;
+ /**
+ * Reflects the current state of the TuioComponent
+ */
+ protected int state;
+
+ /**
+ * This constructor takes a TuioTime argument and assigns it along with the provided
+ * Session ID, X and Y coordinate to the newly created TuioContainer.
+ *
+ * @param ttime the TuioTime to assign
+ * @param si the Session ID to assign
+ * @param xp the X coordinate to assign
+ * @param yp the Y coordinate to assign
+ */
+ TuioContainer(TuioTime ttime, long si, float xp, float yp) {
+ super(ttime,xp,yp);
+
+ session_id = si;
+ x_speed = 0.0f;
+ y_speed = 0.0f;
+ motion_speed = 0.0f;
+ motion_accel = 0.0f;
+
+ path = new Vector<TuioPoint>();
+ path.addElement(new TuioPoint(currentTime,xpos,ypos));
+ state = TUIO_ADDED;
+ }
+
+ /**
+ * This constructor takes the provided Session ID, X and Y coordinate
+ * and assigs these values to the newly created TuioContainer.
+ *
+ * @param si the Session ID to assign
+ * @param xp the X coordinate to assign
+ * @param yp the Y coordinate to assign
+ */
+ TuioContainer(long si, float xp, float yp) {
+ super(xp,yp);
+
+ session_id = si;
+ x_speed = 0.0f;
+ y_speed = 0.0f;
+ motion_speed = 0.0f;
+ motion_accel = 0.0f;
+
+ path = new Vector<TuioPoint>();
+ path.addElement(new TuioPoint(currentTime,xpos,ypos));
+ state = TUIO_ADDED;
+ }
+
+ /**
+ * This constructor takes the atttibutes of the provided TuioContainer
+ * and assigs these values to the newly created TuioContainer.
+ *
+ * @param tcon the TuioContainer to assign
+ */
+ TuioContainer(TuioContainer tcon) {
+ super(tcon);
+
+ session_id = tcon.getSessionID();
+ x_speed = 0.0f;
+ y_speed = 0.0f;
+ motion_speed = 0.0f;
+ motion_accel = 0.0f;
+
+ path = new Vector<TuioPoint>();
+ path.addElement(new TuioPoint(currentTime,xpos,ypos));
+ state = TUIO_ADDED;
+ }
+
+ /**
+ * Takes a TuioTime argument and assigns it along with the provided
+ * X and Y coordinate to the private TuioContainer attributes.
+ * The speed and accleration values are calculated accordingly.
+ *
+ * @param ttime the TuioTime to assign
+ * @param xp the X coordinate to assign
+ * @param yp the Y coordinate to assign
+ */
+ public void update(TuioTime ttime, float xp, float yp) {
+ TuioPoint lastPoint = path.lastElement();
+ super.update(ttime,xp,yp);
+
+ TuioTime diffTime = currentTime.subtract(lastPoint.getTuioTime());
+ float dt = diffTime.getTotalMilliseconds()/1000.0f;
+ float dx = this.xpos - lastPoint.getX();
+ float dy = this.ypos - lastPoint.getY();
+ float dist = (float)Math.sqrt(dx*dx+dy*dy);
+ float last_motion_speed = this.motion_speed;
+
+ this.x_speed = dx/dt;
+ this.y_speed = dy/dt;
+ this.motion_speed = dist/dt;
+ this.motion_accel = (motion_speed - last_motion_speed)/dt;
+
+ path.addElement(new TuioPoint(currentTime,xpos,ypos));
+ if (motion_accel>0) state = TUIO_ACCELERATING;
+ else if (motion_accel<0) state = TUIO_DECELERATING;
+ else state = TUIO_STOPPED;
+ }
+
+ /**
+ * This method is used to calculate the speed and acceleration values of
+ * TuioContainers with unchanged positions.
+ */
+ public void stop(TuioTime ttime) {
+ update(ttime,xpos,ypos);
+ }
+
+ /**
+ * Takes a TuioTime argument and assigns it along with the provided
+ * X and Y coordinate, X and Y velocity and acceleration
+ * to the private TuioContainer attributes.
+ *
+ * @param ttime the TuioTime to assign
+ * @param xp the X coordinate to assign
+ * @param yp the Y coordinate to assign
+ * @param xs the X velocity to assign
+ * @param ys the Y velocity to assign
+ * @param ma the acceleration to assign
+ */
+ public void update(TuioTime ttime, float xp, float yp , float xs, float ys, float ma) {
+ super.update(ttime,xp,yp);
+ x_speed = xs;
+ y_speed = ys;
+ motion_speed = (float)Math.sqrt(x_speed*x_speed+y_speed*y_speed);
+ motion_accel = ma;
+ path.addElement(new TuioPoint(currentTime,xpos,ypos));
+ if (motion_accel>0) state = TUIO_ACCELERATING;
+ else if (motion_accel<0) state = TUIO_DECELERATING;
+ else state = TUIO_STOPPED;
+ }
+
+ /**
+ * Assigns the provided X and Y coordinate, X and Y velocity and acceleration
+ * to the private TuioContainer attributes. The TuioTime time stamp remains unchanged.
+ *
+ * @param xp the X coordinate to assign
+ * @param yp the Y coordinate to assign
+ * @param xs the X velocity to assign
+ * @param ys the Y velocity to assign
+ * @param ma the acceleration to assign
+ */
+ public void update(float xp, float yp,float xs,float ys,float ma) {
+ super.update(xp,yp);
+ x_speed = xs;
+ y_speed = ys;
+ motion_speed = (float)Math.sqrt(x_speed*x_speed+y_speed*y_speed);
+ motion_accel = ma;
+ path.addElement(new TuioPoint(currentTime,xpos,ypos));
+ if (motion_accel>0) state = TUIO_ACCELERATING;
+ else if (motion_accel<0) state = TUIO_DECELERATING;
+ else state = TUIO_STOPPED;
+ }
+
+ /**
+ * Takes the atttibutes of the provided TuioContainer
+ * and assigs these values to this TuioContainer.
+ * The TuioTime time stamp of this TuioContainer remains unchanged.
+ *
+ * @param tcon the TuioContainer to assign
+ */
+ public void update (TuioContainer tcon) {
+ super.update(tcon);
+ x_speed = tcon.getXSpeed();
+ y_speed = tcon.getYSpeed();
+ motion_speed = tcon.getMotionSpeed();
+ motion_accel = tcon.getMotionAccel();
+ path.addElement(new TuioPoint(currentTime,xpos,ypos));
+ if (motion_accel>0) state = TUIO_ACCELERATING;
+ else if (motion_accel<0) state = TUIO_DECELERATING;
+ else state = TUIO_STOPPED;
+ }
+
+ /**
+ * Assigns the REMOVE state to this TuioContainer and sets
+ * its TuioTime time stamp to the provided TuioTime argument.
+ *
+ * @param ttime the TuioTime to assign
+ */
+ public void remove(TuioTime ttime) {
+ currentTime = new TuioTime(ttime);
+ state = TUIO_REMOVED;
+ }
+
+ /**
+ * Returns the Session ID of this TuioContainer.
+ * @return the Session ID of this TuioContainer
+ */
+ public long getSessionID() {
+ return session_id;
+ }
+
+ /**
+ * Returns the X velocity of this TuioContainer.
+ * @return the X velocity of this TuioContainer
+ */
+ public float getXSpeed() {
+ return x_speed;
+ }
+
+ /**
+ * Returns the Y velocity of this TuioContainer.
+ * @return the Y velocity of this TuioContainer
+ */
+ public float getYSpeed() {
+ return y_speed;
+ }
+
+ /**
+ * Returns the position of this TuioContainer.
+ * @return the position of this TuioContainer
+ */
+ public TuioPoint getPosition() {
+ return new TuioPoint(xpos,ypos);
+ }
+
+ /**
+ * Returns the path of this TuioContainer.
+ * @return the path of this TuioContainer
+ */
+ public Vector<TuioPoint> getPath() {
+ return path;
+ }
+
+ /**
+ * Returns the motion speed of this TuioContainer.
+ * @return the motion speed of this TuioContainer
+ */
+ public float getMotionSpeed() {
+ return motion_speed;
+ }
+
+ /**
+ * Returns the motion acceleration of this TuioContainer.
+ * @return the motion acceleration of this TuioContainer
+ */
+ public float getMotionAccel() {
+ return motion_accel;
+ }
+
+ /**
+ * Returns the TUIO state of this TuioContainer.
+ * @return the TUIO state of this TuioContainer
+ */
+ public int getTuioState() {
+ return state;
+ }
+
+ /**
+ * Returns true of this TuioContainer is moving.
+ * @return true of this TuioContainer is moving
+ */
+ public boolean isMoving() {
+ if ((state==TUIO_ACCELERATING) || (state==TUIO_DECELERATING)) return true;
+ else return false;
+ }
+
+}