/* * Copyright (c) 2006 Ben Chappell (bwchappell@gmail.com) 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. * * The names of Ben Chappell, Sun Microsystems, Inc. or the names of * contributors may not 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. BEN CHAPPELL, * SUN MICROSYSTEMS, INC. ("SUN"), AND SUN'S 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 BEN * CHAPPELL, SUN, OR SUN'S 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 BEN * CHAPPELL OR SUN HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES. * * You acknowledge that this software is not designed or intended for use * in the design, construction, operation or maintenance of any nuclear * facility. */ package demos.particles.engine; import javax.swing.*; import java.awt.*; import javax.swing.border.*; import java.awt.event.*; import javax.swing.event.*; public class ControlWindow extends JFrame implements ActionListener, ChangeListener { // For the engine private Engine engine; private GLComponent glComponent; private Integer numParticles; // Swing components private JSlider greenSlider; private JSlider redSlider; private JSlider blueSlider; private JButton resetButton; private JButton closeButton; private JSpinner particleSpinner; public ControlWindow() { super("Particle Engine"); Dimension d = getToolkit().getScreenSize(); buildFrame(d); initComponents(); setVisible(true); } private void buildFrame(Dimension d) { // Nicely center the window on the screen int width = 800; int x = (int)(d.getWidth()/2)-(int)(width/2); int height = 800; int y = (int)(d.getHeight()/2)-(int)(height/2); setBounds(x, y, width, height); setResizable(false); getContentPane().setLayout(new GridBagLayout()); setDefaultCloseOperation(javax.swing.WindowConstants.EXIT_ON_CLOSE); } private void initComponents() { // This will be used when borders or GridBagConstraints are needed Border border; GridBagConstraints constraints; // Engine components numParticles = new Integer(1000); engine = new Engine(numParticles.intValue(), "demos/particles/engine/images/particle.jpg"); glComponent = new GLComponent(60, new RGBA(0.0f, 0.0f, 0.0f, 1.0f), new RGBA(0.0f, 0.0f, 0.0f, 1.0f), engine); // Close and reset buttons resetButton = new JButton("Reset"); resetButton.addActionListener(this); closeButton = new JButton("Close"); closeButton.addActionListener(this); // The RGB sliders redSlider = new JSlider(0, 100, (int)engine.tendToColor.r*100) ; redSlider.addChangeListener(this); greenSlider = new JSlider(0, 100, (int)engine.tendToColor.g*100) ; greenSlider.addChangeListener(this); blueSlider = new JSlider(0, 100, (int)engine.tendToColor.b*100) ; blueSlider.addChangeListener(this); // Particle spinner particleSpinner = new JSpinner(new SpinnerNumberModel(numParticles, new Integer(0), null, new Integer(1))); particleSpinner.addChangeListener(this); particleSpinner.setPreferredSize( new Dimension((int)(getBounds().width/3.5), 25)); // The color control panel JPanel colorPanel = new JPanel(new GridBagLayout()); border = BorderFactory.createTitledBorder( BorderFactory.createLineBorder(new Color(0.0f,0.0f,0.0f)), "Color Tendency"); colorPanel.setBorder(border); constraints = new GridBagConstraints(); constraints.insets = new Insets(3,2,3,2); constraints.fill=constraints.HORIZONTAL; constraints.gridx = 0; constraints.gridy = 0; colorPanel.add(new JLabel("Red"), constraints); constraints.gridx = 1; colorPanel.add(redSlider, constraints); constraints.gridx = 0; constraints.gridy = 1; colorPanel.add(new JLabel("Green"), constraints); constraints.gridx = 1; colorPanel.add(greenSlider, constraints); constraints.gridx = 0; constraints.gridy = 2; colorPanel.add(new JLabel("Blue"), constraints); constraints.gridx = 1; colorPanel.add(blueSlider, constraints); // The panel containing the spinnger JPanel numPanel = new JPanel(new GridBagLayout()); border = BorderFactory.createTitledBorder( BorderFactory.createLineBorder(new Color(0.0f,0.0f,0.0f)), "Number of Particles"); numPanel.setBorder(border); constraints = new GridBagConstraints(); numPanel.add(particleSpinner, constraints); // The panel containing the reset and close buttons JPanel optionsPanel = new JPanel(new GridBagLayout()); border = BorderFactory.createTitledBorder( BorderFactory.createLineBorder(new Color(0.0f,0.0f,0.0f)), "Options"); optionsPanel.setBorder(border); constraints = new GridBagConstraints(); constraints.insets = new Insets(5,5,5,5); optionsPanel.add(resetButton, constraints); constraints.gridy = GridBagConstraints.RELATIVE; constraints.gridx = GridBagConstraints.RELATIVE; optionsPanel.add(closeButton, constraints); // The panel containing the the OpenGL content JPanel glPanel = new JPanel(new BorderLayout()); glPanel.setPreferredSize(new Dimension(getBounds().width-10, (int)getBounds().height*3/4)); glPanel.add(glComponent); constraints = new GridBagConstraints(); constraints.weightx = constraints.weighty = 1.0d; constraints.fill=constraints.BOTH; constraints.gridx = 0; constraints.gridy = 0; glPanel.setBorder(BorderFactory.createRaisedBevelBorder()); getContentPane().add(glPanel, constraints); // The panel containing the panels that contain all the other components JPanel bottomPanel = new JPanel(new GridLayout(1,3,3,3)); bottomPanel.add(colorPanel); bottomPanel.add(numPanel); bottomPanel.add(optionsPanel); constraints.gridx = 0; constraints.gridy = GridBagConstraints.RELATIVE; getContentPane().add(bottomPanel, constraints); } public static void main(String[] args) { new ControlWindow(); } public void actionPerformed(ActionEvent e) { if(e.getSource().equals(closeButton)) { setVisible(false); dispose(); System.exit(0); } if(e.getSource().equals(resetButton)) engine.reset(); } public void stateChanged(ChangeEvent e) { if(e.getSource().equals(particleSpinner)) { // Get the number; loop up or down until the vector in the engine has the proper number Integer newNum = (Integer)particleSpinner.getValue(); int diff = newNum.intValue()-numParticles.intValue(); if(diff>0) for(int i=0; i<diff; i++) engine.addParticle(); else for(int i=0; i>diff; i--) engine.removeParticle(); numParticles=newNum; } if(e.getSource().equals(redSlider)) { float value = (float)(redSlider.getValue()); value/=100; engine.tendToColor.r = value; } if(e.getSource().equals(greenSlider)) { float value = (float)(greenSlider.getValue()); value/=100; engine.tendToColor.g = value; } if(e.getSource().equals(blueSlider)) { float value = (float)(blueSlider.getValue()); value/=100; engine.tendToColor.b = value; } } }