/**
* Load the named image and create the animator that will bounce the image down and back up in
* this panel.
*/
SpherePanel(Composite parent, int style, String resourceName, String label, boolean bounce) {
super(parent, style);
f_sphereImage = DemoResources.getImage(resourceName, parent.getDisplay());
f_bouncer =
new Animator.Builder()
.setDuration(2, TimeUnit.SECONDS)
.setInterpolator(ACCEL_5_5)
.build();
if (bounce)
f_bouncer.addTarget(
PropertySetter.getTarget(
this, "sphereY", 20, (PANEL_HEIGHT - f_sphereImage.getBounds().height), 20));
else
f_bouncer.addTarget(
PropertySetter.getTarget(
this, "sphereY", 20, (PANEL_HEIGHT - f_sphereImage.getBounds().height)));
f_label = label;
addPaintListener(
new PaintListener() {
@Override
public void paintControl(PaintEvent e) {
final GC gc = e.gc;
gc.setBackground(getDisplay().getSystemColor(SWT.COLOR_WHITE));
gc.fillRectangle(0, 0, getBounds().width, getBounds().height);
gc.setForeground(getDisplay().getSystemColor(SWT.COLOR_BLUE));
gc.drawString(f_label, f_sphereX, 5);
gc.drawImage(f_sphereImage, f_sphereX, f_sphereY);
}
});
}
/** Creates a new instance of BasicRace */
public RaceCompleteMultiStep(String appName) {
final RaceGUI basicGUI = new RaceGUI(appName);
animator =
new Animator.Builder()
.setDuration(RACE_TIME, TimeUnit.MILLISECONDS)
.setRepeatCount(Animator.INFINITE)
.setRepeatBehavior(RepeatBehavior.LOOP)
.build();
// We're going to need a more involved PropertyRange object
// that has all curves of the track in it, as well as
// non-linear movement around the curves
Point[] values = {
RaceTrackView.START_POS,
RaceTrackView.FIRST_TURN_START,
RaceTrackView.FIRST_TURN_END,
RaceTrackView.SECOND_TURN_START,
RaceTrackView.SECOND_TURN_END,
RaceTrackView.THIRD_TURN_START,
RaceTrackView.THIRD_TURN_END,
RaceTrackView.FOURTH_TURN_START,
RaceTrackView.START_POS
};
// Calculate the keyTimes based on the distances that must be
// traveled on each leg of the journey
double totalDistance = 0;
double segmentDistance[] = new double[values.length];
for (int i = 0; i < (values.length - 1); ++i) {
segmentDistance[i] = values[i].distance(values[i + 1]);
totalDistance += segmentDistance[i];
}
segmentDistance[(values.length - 1)] = values[(values.length - 1)].distance(values[0]);
totalDistance += segmentDistance[(values.length - 1)];
double times[] = new double[values.length];
double elapsedTime = 0.0f;
times[0] = 0.0f;
times[values.length - 1] = 1.0f;
for (int i = 0; i < (values.length - 2); ++i) {
times[i + 1] = elapsedTime + (segmentDistance[i] / totalDistance);
elapsedTime = times[i + 1];
}
/*
* For realistic movement, we want a big acceleration on the straightaways.
*/
Interpolator initialSpline = new SplineInterpolator(1.00f, 0.00f, 0.2f, .2f);
Interpolator straightawaySpline = new SplineInterpolator(0.50f, 0.20f, .50f, .80f);
Interpolator curveSpline = new SplineInterpolator(0.50f, 0.20f, .50f, .80f);
Interpolator finalSpline = new SplineInterpolator(0.50f, 0.00f, .50f, 1.00f);
Interpolator[] interps = {
null,
initialSpline,
curveSpline,
straightawaySpline,
curveSpline,
straightawaySpline,
curveSpline,
straightawaySpline,
finalSpline
};
final KeyFrames.Builder<Point> builder = new KeyFrames.Builder<Point>(values[0]);
for (int i = 1; i < values.length; i++) {
builder.addFrame(values[i], times[i], interps[i]);
}
final KeyFrames<Point> keyFrames = builder.build();
/*
* This PropertySetter enables the animation for the car movement all the
* way around the track.
*/
final TimingTarget modifier =
PropertySetter.getTarget(basicGUI.getTrack(), "carPosition", keyFrames);
animator.addTarget(modifier);
/*
* Now create similar keyframes for rotation of car.
*/
int[] rotationKeyValues = {360, 315, 270, 225, 180, 135, 90, 45, 0};
Interpolator straightawayTurnSpline = new SplineInterpolator(1.0f, 0.0f, 1.0f, 0.0f);
Interpolator curveTurnSpline = new SplineInterpolator(0.0f, 0.5f, 0.5f, 1.0f);
Interpolator[] rotationInterps = {
null,
straightawayTurnSpline,
curveTurnSpline,
straightawayTurnSpline,
curveTurnSpline,
straightawayTurnSpline,
curveTurnSpline,
straightawayTurnSpline,
curveTurnSpline
};
final KeyFrames.Builder<Integer> rotationBuilder =
new KeyFrames.Builder<Integer>(rotationKeyValues[0]);
for (int i = 1; i < values.length; i++) {
rotationBuilder.addFrame(rotationKeyValues[i], times[i], rotationInterps[i]);
}
KeyFrames<Integer> rotationKeyFrames = rotationBuilder.build();
final TimingTarget rotationModifier =
PropertySetter.getTarget(basicGUI.getTrack(), "carRotation", rotationKeyFrames);
animator.addTarget(rotationModifier);
/*
* Finally, add sound effects, triggered by the same animator.
*/
soundEffects = new RaceSoundEffects(rotationKeyFrames);
animator.addTarget(soundEffects);
final RaceControlPanel controlPanel = basicGUI.getControlPanel();
final JButton goButton = controlPanel.getGoButton();
final JButton reverseButton = controlPanel.getReverseButton();
final JButton pauseResumeButton = controlPanel.getPauseResumeButton();
final JButton stopButton = controlPanel.getStopButton();
goButton.setEnabled(true);
reverseButton.setEnabled(false);
pauseResumeButton.setEnabled(false);
stopButton.setEnabled(false);
goButton.addActionListener(
new ActionListener() {
@Override
public void actionPerformed(ActionEvent e) {
animator.start();
goButton.setEnabled(false);
reverseButton.setEnabled(true);
pauseResumeButton.setEnabled(true);
stopButton.setEnabled(true);
basicGUI.getTrack().setCarReverse(false);
}
});
reverseButton.addActionListener(
new ActionListener() {
@Override
public void actionPerformed(ActionEvent e) {
if (animator.isPaused()) {
java.awt.Toolkit.getDefaultToolkit().beep();
return;
}
final boolean reverseSucceeded = animator.reverseNow();
if (reverseSucceeded) {
basicGUI.getTrack().toggleCarReverse();
} else {
animator.startReverse();
basicGUI.getTrack().setCarReverse(true);
}
}
});
controlPanel
.getPauseResumeButton()
.addActionListener(
new ActionListener() {
@Override
public void actionPerformed(ActionEvent e) {
if (animator.isPaused()) {
animator.resume();
reverseButton.setEnabled(true);
stopButton.setEnabled(true);
} else {
if (animator.isRunning()) {
animator.pause();
reverseButton.setEnabled(false);
stopButton.setEnabled(false);
}
}
}
});
controlPanel
.getStopButton()
.addActionListener(
new ActionListener() {
@Override
public void actionPerformed(ActionEvent e) {
animator.stop();
goButton.setEnabled(true);
reverseButton.setEnabled(false);
pauseResumeButton.setEnabled(false);
stopButton.setEnabled(false);
}
});
}