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-rw-r--r--src/VirtualInputDevice/ButtonPositionControls.java207
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diff --git a/src/VirtualInputDevice/ButtonPositionControls.java b/src/VirtualInputDevice/ButtonPositionControls.java
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-/*
- * $RCSfile$
- *
- * Copyright (c) 2006 Sun Microsystems, Inc. All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- *
- * - Redistribution of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- *
- * - Redistribution in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in
- * the documentation and/or other materials provided with the
- * distribution.
- *
- * Neither the name of Sun Microsystems, Inc. or the names of
- * contributors may be used to endorse or promote products derived
- * from this software without specific prior written permission.
- *
- * This software is provided "AS IS," without a warranty of any
- * kind. ALL EXPRESS OR IMPLIED CONDITIONS, REPRESENTATIONS AND
- * WARRANTIES, INCLUDING ANY IMPLIED WARRANTY OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT, ARE HEREBY
- * EXCLUDED. SUN MICROSYSTEMS, INC. ("SUN") AND ITS LICENSORS SHALL
- * NOT BE LIABLE FOR ANY DAMAGES SUFFERED BY LICENSEE AS A RESULT OF
- * USING, MODIFYING OR DISTRIBUTING THIS SOFTWARE OR ITS
- * DERIVATIVES. IN NO EVENT WILL SUN OR ITS LICENSORS BE LIABLE FOR
- * ANY LOST REVENUE, PROFIT OR DATA, OR FOR DIRECT, INDIRECT, SPECIAL,
- * CONSEQUENTIAL, INCIDENTAL OR PUNITIVE DAMAGES, HOWEVER CAUSED AND
- * REGARDLESS OF THE THEORY OF LIABILITY, ARISING OUT OF THE USE OF OR
- * INABILITY TO USE THIS SOFTWARE, EVEN IF SUN HAS BEEN ADVISED OF THE
- * POSSIBILITY OF SUCH DAMAGES.
- *
- * You acknowledge that this software is not designed, licensed or
- * intended for use in the design, construction, operation or
- * maintenance of any nuclear facility.
- *
- * $Revision$
- * $Date$
- * $State$
- */
-
-import java.awt.*;
-import java.awt.event.*;
-import javax.vecmath.*;
-import javax.media.j3d.*;
-
-public class ButtonPositionControls extends Panel implements PositionControls, MouseListener {
- private final static int STILL=0;
- private final static int MOVING_UP=1;
- private final static int MOVING_DOWN=2;
- private final static int MOVING_LEFT=3;
- private final static int MOVING_RIGHT=4;
- private final static int MOVING_FORWARD=5;
- private final static int MOVING_BACK=6;
-
- // initial mode
- private int mode = STILL;
-
- Vector3f position = new Vector3f();
- Vector3f orig_position = new Vector3f();
-
- private Button leftB = new Button("Move Left");
- private Button rightB = new Button("Move Right");
- private Button upB = new Button("Move Up");
- private Button downB = new Button("Move Down");
-
- private Button forwardB = new Button("Move Forward");
- private Button backwardB = new Button("Move Back");
-
- private Button reset = new Button("Reset");
- private InputDevice device;
-
- private float step_rate = 0.0023f; // movement rate per millisecond
- private long time_last_state_change = System.currentTimeMillis();
-
- // the constructor arguments are the intitial X, Y, and Z positions
- public ButtonPositionControls( float x, float y, float z ) {
-
- // up, down, right, and left movement buttons
- Panel panPanel = new Panel();
- panPanel.setLayout( new BorderLayout() );
- panPanel.add("North", upB);
- panPanel.add("East", rightB);
- panPanel.add("South", downB);
- panPanel.add("West", leftB);
-
- // forward, backward, and reset buttons
- Panel p = new Panel();
- p.setLayout( new GridLayout(0,1,0,0) );
- p.add(forwardB);
- p.add(backwardB);
- p.add(reset);
-
- // set the initial position
- position.x = x;
- position.y = y;
- position.z = z;
- orig_position.set(position);
-
- // add a mouse listener to each button
- upB.addMouseListener(this);
- downB.addMouseListener(this);
- leftB.addMouseListener(this);
- rightB.addMouseListener(this);
- forwardB.addMouseListener(this);
- backwardB.addMouseListener(this);
- reset.addMouseListener(this);
-
- this.setLayout( new BorderLayout() );
- add("East", p );
- add("West", panPanel );
- }
-
- public void setDevice ( InputDevice device) {
- this.device = device;
- }
-
- public void getPosition(Vector3f pos ) {
- calculateMotion();
- pos.set(position);
- }
-
- public void setPosition(Vector3f pos ) {
- position.set(pos);
- }
-
- public void setStepRate( float stepRate ) {
- step_rate = stepRate;
- }
-
- private void calculateMotion() {
-
- long current_time = System.currentTimeMillis();
- long elapsed_time = current_time - time_last_state_change;
-
- switch(mode) {
- case STILL:
- break;
- case MOVING_LEFT:
- position.x = orig_position.x - step_rate*elapsed_time;
- break;
- case MOVING_RIGHT:
- position.x = orig_position.x + step_rate*elapsed_time;
- break;
- case MOVING_UP:
- position.y = orig_position.y + step_rate*elapsed_time;
- break;
- case MOVING_DOWN:
- position.y = orig_position.y - step_rate*elapsed_time;
- break;
- case MOVING_FORWARD:
- position.z = orig_position.z - step_rate*elapsed_time;
- break;
- case MOVING_BACK:
- position.z = orig_position.z + step_rate*elapsed_time;
- break;
- default:
- throw( new RuntimeException("Unknown motion"));
- }
- }
-
- public void mouseClicked( MouseEvent e ) {
- }
-
- public void mouseEntered( MouseEvent e ) {
- }
-
- public void mouseExited( MouseEvent e ) {
- }
-
- public void mousePressed( MouseEvent e ) {
- if (e.getSource()==leftB && mode != MOVING_LEFT) {
- time_last_state_change = System.currentTimeMillis();
- mode = MOVING_LEFT;
- orig_position.set(position);
- } else if (e.getSource()==rightB && mode != MOVING_RIGHT) {
- time_last_state_change = System.currentTimeMillis();
- mode = MOVING_RIGHT;
- orig_position.set(position);
- } else if (e.getSource()==upB && mode != MOVING_UP) {
- time_last_state_change = System.currentTimeMillis();
- mode = MOVING_UP;
- orig_position.set(position);
- } else if (e.getSource()==downB && mode != MOVING_DOWN) {
- time_last_state_change = System.currentTimeMillis();
- mode = MOVING_DOWN;
- orig_position.set(position);
- } else if (e.getSource()==forwardB && mode != MOVING_FORWARD) {
- time_last_state_change = System.currentTimeMillis();
- mode = MOVING_FORWARD;
- orig_position.set(position);
- } else if (e.getSource()==backwardB && mode != MOVING_BACK) {
- time_last_state_change = System.currentTimeMillis();
- mode = MOVING_BACK;
- orig_position.set(position);
- } else if (e.getSource()==reset) {
- device.setNominalPositionAndOrientation();
- }
- }
-
- public void mouseReleased( MouseEvent e ) {
- mode = STILL;
- }
-}
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