Trigger Race Animation
import javax.swing.SwingUtilities; import java.awt.Point; import java.awt.event.ActionEvent; import java.awt.event.ActionListener; import javax.swing.SwingUtilities; import org.jdesktop.animation.timing.Animator; import org.jdesktop.animation.timing.TimingTargetAdapter; import java.awt.event.ActionEvent; import javax.swing.JButton; import javax.swing.SwingUtilities; import org.jdesktop.animation.timing.triggers.ActionTrigger; import java.awt.event.ActionListener; import javax.swing.JButton; import javax.swing.JFrame; import javax.swing.JPanel; import java.awt.BorderLayout; import javax.swing.JFrame; import javax.swing.UIManager; import java.awt.AlphaComposite; import java.awt.Color; import java.awt.Dimension; import java.awt.Graphics; import java.awt.Graphics2D; import java.awt.image.BufferedImage; import java.awt.Point; import javax.swing.JComponent; import javax.imageio.ImageIO; import javax.swing.JFrame; /* * TriggerRace.java * * Created on May 3, 2007, 1:43 PM * * Copyright (c) 2007, 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: * * * Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * * Redistributions 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 the TimingFramework project nor the names of its * contributors may be used to endorse or promote products derived * from this software without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ /** * Exactly like SetterRace, only this version uses Triggers to * start/stop the animation automatically based on the user * clicking the Go/Stop buttons (no need for an ActionListener here) * * @author Chet */ public class TriggerRace extends NonLinearRace { /** Creates a new instance of TriggerRace */ public TriggerRace(String appName) { super(appName); // Clicks on the Go button will atuomatically start the animator JButton goButton = controlPanel.getGoButton(); ActionTrigger trigger = ActionTrigger.addTrigger(goButton, animator); } /** * Handle clicks on the Stop button. Clicks on Go are handled through * the ActionTrigger above. */ public void actionPerformed(ActionEvent ae) { if (ae.getActionCommand().equals("Stop")) { animator.stop(); } } public static void main(String args[]) { Runnable doCreateAndShowGUI = new Runnable() { public void run() { TriggerRace race = new TriggerRace("Trigger Race"); } }; SwingUtilities.invokeLater(doCreateAndShowGUI); } } /** * Copyright (c) 2007, 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: * * * Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * * Redistributions 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 the TimingFramework project nor the names of its * contributors may be used to endorse or promote products derived * from this software without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ /** * This class does the work of rendering the current view of the * racetrack. It holds the car position and rotation and displays * the car accordingly. The track itself is merely a background image * that is copied the same on every repaint. * Note that carPosition and carRotation are both JavaBean properties, which * is exploited in the SetterRace and MultiStepRace variations. * * @author Chet */ class TrackView extends JComponent { BufferedImage car; BufferedImage track; Point carPosition; double carRotation = 0; int trackW, trackH; int carW, carH, carWHalf, carHHalf; /** Hard-coded positions of interest on the track */ static final Point START_POS = new Point(450, 70); static final Point FIRST_TURN_START = new Point(130, 70); static final Point FIRST_TURN_END = new Point(76, 127); static final Point SECOND_TURN_START = new Point(76, 404); static final Point SECOND_TURN_END = new Point(130, 461); static final Point THIRD_TURN_START = new Point(450, 461); static final Point THIRD_TURN_END = new Point(504, 404); static final Point FOURTH_TURN_START = new Point(504, 127); /** Creates a new instance of TrackView */ public TrackView() { try { car = ImageIO.read(TrackView.class.getResource("beetle_red.gif")); track = ImageIO.read(TrackView.class.getResource("track.jpg")); } catch (Exception e) { System.out.println("Problem loading track/car images: " + e); } carPosition = new Point(START_POS.x, START_POS.y); carW = car.getWidth(); carH = car.getHeight(); carWHalf = carW / 2; carHHalf = carH / 2; trackW = track.getWidth(); trackH = track.getHeight(); } public Dimension getPreferredSize() { return new Dimension(trackW, trackH); } /** * Render the track and car */ public void paintComponent(Graphics g) { // First draw the race track g.drawImage(track, 0, 0, null); // Now draw the car. The translate/rotate/translate settings account // for any nonzero carRotation values Graphics2D g2d = (Graphics2D)g.create(); g2d.translate(carPosition.x, carPosition.y); g2d.rotate(Math.toRadians(carRotation)); g2d.translate(-(carPosition.x), -(carPosition.y)); // Now the graphics has been set up appropriately; draw the // car in position g2d.drawImage(car, carPosition.x - carWHalf, carPosition.y - carHHalf, null); } /** * Set the new position and schedule a repaint */ public void setCarPosition(Point newPosition) { repaint(0, carPosition.x - carWHalf, carPosition.y - carHHalf, carW, carH); carPosition.x = newPosition.x; carPosition.y = newPosition.y; repaint(0, carPosition.x - carWHalf, carPosition.y - carHHalf, carW, carH); } /** * Set the new rotation and schedule a repaint */ public void setCarRotation(double newDegrees) { carRotation = newDegrees; // repaint area accounts for larger rectangular are because rotate // car will exceed normal rectangular bounds repaint(0, carPosition.x - carW, carPosition.y - carH, 2 * carW, 2 * carH); } } /** * Copyright (c) 2007, 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: * * * Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * * Redistributions 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 the TimingFramework project nor the names of its * contributors may be used to endorse or promote products derived * from this software without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ /** * The GUI used by all of the different race demos. * It contains a control panel (for the Go/Stop buttons) and a * TrackView (where the race is rendered) * * @author Chet */ class RaceGUI { private TrackView track; private RaceControlPanel controlPanel; /** * Creates a new instance of RaceGUI */ public RaceGUI(String appName) { UIManager.put("swing.boldMetal", Boolean.FALSE); JFrame f = new JFrame(appName); f.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); f.setLayout(new BorderLayout()); // Add Track view track = new TrackView(); f.add(track, BorderLayout.CENTER); // Add control panel controlPanel = new RaceControlPanel(); f.add(controlPanel, BorderLayout.SOUTH); f.pack(); f.setVisible(true); } public TrackView getTrack() { return track; } public RaceControlPanel getControlPanel() { return controlPanel; } } /** * Copyright (c) 2007, 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: * * * Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * * Redistributions 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 the TimingFramework project nor the names of its * contributors may be used to endorse or promote products derived * from this software without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ /** * Go/Stop buttons to control the animation * * @author Chet */ class RaceControlPanel extends JPanel { /** Make these static so that outside classes can easily * add themselves as listeners */ JButton goButton = new JButton("Go"); JButton stopButton = new JButton("Stop"); /** * Creates a new instance of RaceControlPanel */ public RaceControlPanel() { add(goButton); add(stopButton); } public JButton getGoButton() { return goButton; } public JButton getStopButton() { return stopButton; } public void addListener(ActionListener listener) { goButton.addActionListener(listener); stopButton.addActionListener(listener); } } /* * NonLinearRace.java * * Created on May 3, 2007, 7:49 AM * * Copyright (c) 2007, 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: * * * Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * * Redistributions 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 the TimingFramework project nor the names of its * contributors may be used to endorse or promote products derived * from this software without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ /** * Simple subclass of SetterRace that merely sets acceleration/deceleration * factors to give a non-linear motion effect to the car's movement. * * @author Chet */ class NonLinearRace extends BasicRace { /** Creates a new instance of NonLinearRace */ public NonLinearRace(String appName) { super(appName); // Accelerate for first half of duration, decelerate for final 10% animator.setAcceleration(.5f); animator.setDeceleration(.1f); } public static void main(String args[]) { Runnable doCreateAndShowGUI = new Runnable() { public void run() { NonLinearRace race = new NonLinearRace("Non-Linear Race"); } }; SwingUtilities.invokeLater(doCreateAndShowGUI); } } /* * BasicRace.java * * Created on May 3, 2007, 7:37 AM * * Copyright (c) 2007, 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: * * * Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * * Redistributions 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 the TimingFramework project nor the names of its * contributors may be used to endorse or promote products derived * from this software without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ /** * The simplest version of the animation; set up a Animator to * move the car from one position to another over a given time period. * * * @author Chet */ class BasicRace extends TimingTargetAdapter implements ActionListener { public static final int RACE_TIME = 2000; Point start = TrackView.START_POS; Point end = TrackView.FIRST_TURN_START; Point current = new Point(); protected Animator animator; TrackView track; RaceControlPanel controlPanel; /** Creates a new instance of BasicRace */ public BasicRace(String appName) { RaceGUI basicGUI = new RaceGUI(appName); controlPanel = basicGUI.getControlPanel(); controlPanel.addListener(this); track = basicGUI.getTrack(); animator = new Animator(RACE_TIME, this); } // // Events // /** * This receives the Go/Stop events that start/stop the animation */ public void actionPerformed(ActionEvent ae) { if (ae.getActionCommand().equals("Go")) { animator.stop(); animator.start(); } else if (ae.getActionCommand().equals("Stop")) { animator.stop(); } } /** * TimingTarget implementation: calculate and set the current * car position based on the animation fraction */ public void timingEvent(float fraction) { // Simple linear interpolation to find current position current.x = (int)(start.x + (end.x - start.x) * fraction); current.y = (int)(start.y + (end.y - start.y) * fraction); // set the new position; this will force a repaint in TrackView // and will display the car in the new position track.setCarPosition(current); } public static void main(String args[]) { Runnable doCreateAndShowGUI = new Runnable() { public void run() { BasicRace race = new BasicRace("BasicRace"); } }; SwingUtilities.invokeLater(doCreateAndShowGUI); } }