public ObjectViewer(URL url) {
setLayout(new BorderLayout());
Canvas3D canvas3D = new Canvas3D(SimpleUniverse.getPreferredConfiguration());
add("Center", canvas3D);
BoundingSphere bounds = new BoundingSphere(new Point3d(), 1000);
BranchGroup root = new BranchGroup();
BranchGroup scene = createSceneGraph(url);
scene.setBoundsAutoCompute(true);
System.out.println(scene.getBounds());
BoundingSphere sceneBounds = new BoundingSphere(scene.getBounds());
SimpleUniverse univ = new SimpleUniverse(canvas3D);
ViewingPlatform view = univ.getViewingPlatform();
view.setNominalViewingTransform();
Transform3D t = new Transform3D();
TransformGroup viewTransform = view.getViewPlatformTransform();
t.set(new Vector3d(0, 0, 3 * sceneBounds.getRadius()));
viewTransform.setTransform(t);
BranchGroup lights = new BranchGroup();
Light light = new AmbientLight();
light.setInfluencingBounds(bounds);
lights.addChild(light);
light = new DirectionalLight();
light.setInfluencingBounds(bounds);
lights.addChild(light);
root.addChild(lights);
TransformGroup tg = new TransformGroup();
tg.setCapability(TransformGroup.ALLOW_TRANSFORM_READ);
tg.setCapability(TransformGroup.ALLOW_TRANSFORM_WRITE);
tg.addChild(scene);
root.addChild(tg);
MouseRotate mouse = new MouseRotate();
mouse.setTransformGroup(tg);
mouse.setSchedulingBounds(bounds);
root.addChild(mouse);
MouseZoom mousezoom = new MouseZoom();
mousezoom.setTransformGroup(tg);
mousezoom.setSchedulingBounds(bounds);
root.addChild(mousezoom);
Background background = new Background(1, 1, 1);
background.setApplicationBounds(bounds);
root.addChild(background);
root.compile();
univ.addBranchGraph(root);
}
//
// Build scene
//
public Group buildScene() {
// Get the current color
Color3f color = (Color3f) colors[currentColor].value;
float front = ((Float) fronts[currentFront].value).floatValue();
float back = ((Float) backs[currentBack].value).floatValue();
// Turn off the example headlight
setHeadlightEnable(false);
// Default to walk navigation
setNavigationType(Walk);
// Create the scene group
Group scene = new Group();
// BEGIN EXAMPLE TOPIC
// Create influencing bounds
BoundingSphere worldBounds =
new BoundingSphere(
new Point3d(0.0, 0.0, 0.0), // Center
1000.0); // Extent
// Set the fog color, front & back distances, and
// its influencing bounds
fog = new LinearFog();
fog.setColor(color);
fog.setFrontDistance(front);
fog.setBackDistance(back);
fog.setCapability(Fog.ALLOW_COLOR_WRITE);
fog.setCapability(LinearFog.ALLOW_DISTANCE_WRITE);
fog.setInfluencingBounds(worldBounds);
scene.addChild(fog);
// END EXAMPLE TOPIC
// Set the background color and its application bounds
// Usually, the background color should match the fog color
// or the results look odd.
background = new Background();
background.setColor(color);
background.setApplicationBounds(worldBounds);
background.setCapability(Background.ALLOW_COLOR_WRITE);
scene.addChild(background);
// Build foreground geometry
scene.addChild(new ColumnScene(this));
return scene;
}
public void paint(Graphics g) {
// Vault-Tech logo
Background.drawWall(g);
Logo.drawCircles(g);
Logo.drawLines(g);
Words.drawTop(g);
Words.drawBottom(g);
}
//
// Handle checkboxes and menu choices
//
public void checkboxChanged(CheckboxMenu menu, int check) {
if (menu == backgroundColorMenu) {
// Change the background color
currentBackgroundColor = check;
Color3f color = (Color3f) colors[check].value;
background.setColor(color);
return;
}
if (menu == colorMenu) {
// Change the fog color
currentColor = check;
Color3f color = (Color3f) colors[check].value;
fog.setColor(color);
// If background is coupled, set the background color
if (coupledBackgroundOnOff) {
currentBackgroundColor = currentColor;
backgroundColorMenu.setCurrent(check);
background.setColor(color);
}
return;
}
if (menu == frontMenu) {
// Change the fog front distance
currentFront = check;
float front = ((Float) fronts[currentFront].value).floatValue();
fog.setFrontDistance(front);
return;
}
if (menu == backMenu) {
// Change the fog back distance
currentBack = check;
float back = ((Float) backs[currentBack].value).floatValue();
fog.setBackDistance(back);
return;
}
// Handle all other checkboxes
super.checkboxChanged(menu, check);
}
@Override
protected void paintComponent(Graphics g) {
Graphics2D g2 = (Graphics2D) g;
background.paint(g2);
ship.paint(g2);
for (int i = 0; i < aliens.length; i++) {
aliens[i].paint(g2);
}
if (gameOver) {
drawMessage(g2, "You've been hit!");
} else if (gameWon) {
drawMessage(g2, "Congratulations, you've escaped!");
} else if (waveMessageCounter > 0) {
drawMessage(g2, "Wave " + wave);
}
}
public void itemStateChanged(ItemEvent event) {
Object src = event.getSource();
// Check if it is the coupled background choice
if (src == coupledBackgroundOnOffMenu) {
coupledBackgroundOnOff = coupledBackgroundOnOffMenu.getState();
if (coupledBackgroundOnOff) {
currentBackgroundColor = currentColor;
backgroundColorMenu.setCurrent(currentColor);
Color3f color = (Color3f) colors[currentColor].value;
background.setColor(color);
backgroundColorMenu.setEnabled(false);
} else {
backgroundColorMenu.setEnabled(true);
}
}
// Handle all other checkboxes
super.itemStateChanged(event);
}