/* author: Louis Hugues - created on 13 janv. 2005  *//* *  Simbad - Robot Simulator *  Copyright (C) 2004 Louis Hugues * *  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 * ----------------------------------------------------------------------------- * $Author: sioulseuguh $  * $Date: 2005/04/25 17:54:59 $ * $Revision: 1.2 $ * $Source: /cvsroot/simbad/src/simbad/sim/LampActuator.java,v $ */package simbad.sim;import java.awt.Color;import java.awt.Dimension;import java.awt.Font;import java.awt.Graphics;import javax.media.j3d.Appearance;import javax.media.j3d.Material;import javax.media.j3d.Node;import javax.swing.JPanel;import javax.vecmath.Color3f;/** * A lamp which can be turn on or off or blink. */public class LampActuator extends ActuatorDevice {    private Material material;    private boolean lampIsOn;    private boolean blinkIsOn;    private boolean blink;    private Color3f onColor;    private Color3f offColor;    private Color3f blinkColor;    private boolean changed;    /**     * Constructs a LampActuator of the given size.     * @param size in meter     */    public LampActuator(float size) {        changed = blink = false;        create3D(size);    }    protected void update() {        if (changed || blinkIsOn) {            if (blinkIsOn && blink){                material.setDiffuseColor(blinkColor);                material.setAmbientColor(blinkColor);            }            else if (lampIsOn){                material.setDiffuseColor(onColor);                material.setAmbientColor(onColor);            }            else {                material.setDiffuseColor(offColor);                material.setAmbientColor(offColor);            }            if (blinkIsOn) blink = !blink;            changed = false;         }    }    void create3D(float size) {        super.create3D(true);        // lamp body        onColor = new Color3f(0.1f, 1f, 1f);        offColor = new Color3f(0.3f, 0.3f, 0.3f);        blinkColor = new Color3f(1f, 0.3f, 0.3f);        Appearance appear = new Appearance();        material = new Material();        material.setAmbientColor(offColor);        material.setDiffuseColor(offColor);        material.setCapability(Material.ALLOW_COMPONENT_WRITE);        material.setSpecularColor(offColor);        material.setColorTarget(Material.DIFFUSE);        appear.setMaterial(material);        Node node = new com.sun.j3d.utils.geometry.Cylinder(size, size, appear);        node.setCollidable(false);        node.setPickable(false);        addChild(node);    }    /** Sets the lamp state on or off.     * @param on true is on.     */    public void setOn(boolean on) {        lampIsOn = on;        changed = true;    }    /**      * Returns the lamp state .     * @return  true if  on.     */    public boolean getOn() {        return lampIsOn;    }    /** Sets the lamp blink state on or off.     * @param on true is on.     */public void setBlink(boolean blink) {        blinkIsOn = blink;        changed = true;    }    /**      * Returns the lamp blink state .     * @return  true if  on.     */    public boolean getBlink() {        return blinkIsOn;    }        public JPanel createInspectorPanel(){        return new LampActuatorJPanel();    }    /*     * a JPanel for displaying the lamp state .      */     public class LampActuatorJPanel extends JPanel{ 		private static final long serialVersionUID = 1L;		Color color;         Font font;         final static int HEIGHT=12;         public LampActuatorJPanel(){             color = new Color(0,0,0);             Dimension d= new Dimension(50,HEIGHT);            setPreferredSize(d);            setMinimumSize(d);            font = new Font("Arial",Font.PLAIN,HEIGHT-2);                    }         protected void paintComponent( Graphics g){            super.paintComponent(g);            g.setFont(font);            g.drawString("on :"+lampIsOn + " - blink : "+blinkIsOn,HEIGHT+10,HEIGHT-1);    	                }           }    }