private BranchGroup createSceneGraph() {
BranchGroup root = new BranchGroup();
root.setCapability(BranchGroup.ALLOW_DETACH);
createSpinTG();
root.addChild(spin);
SimpleBehavior myRotationBehavior = new SimpleBehavior(spin);
myRotationBehavior.setSchedulingBounds(new BoundingSphere());
root.addChild(myRotationBehavior);
KeyNavigatorBehavior behavior = new KeyNavigatorBehavior(spin);
BoundingSphere bounds = new BoundingSphere();
behavior.setSchedulingBounds(bounds);
root.addChild(behavior);
// mouse-directed rotation
MouseRotate rotator = new MouseRotate(spin);
rotator.setSchedulingBounds(bounds);
root.addChild(rotator);
// mouse-based translation
MouseTranslate translator = new MouseTranslate(spin);
translator.setSchedulingBounds(bounds);
root.addChild(translator);
// mouse-directed zoom
MouseZoom zoom = new MouseZoom();
zoom.setSchedulingBounds(bounds);
root.addChild(zoom);
// make background blue
Background background = new Background(Colors.blue);
background.setApplicationBounds(bounds);
root.addChild(background);
// light
AmbientLight light = new AmbientLight(true, new Color3f(Color.red));
light.setInfluencingBounds(bounds);
root.addChild(light);
PointLight ptlight =
new PointLight(new Color3f(Color.red), new Point3f(0f, 0f, -5f), new Point3f(1f, 0f, 0f));
ptlight.setInfluencingBounds(bounds);
root.addChild(ptlight);
PointLight ptlight2 =
new PointLight(
new Color3f(Color.orange), new Point3f(-2f, 2f, 2f), new Point3f(1f, 0f, 0f));
ptlight2.setInfluencingBounds(bounds);
root.addChild(ptlight2);
// let Java3d perform optimization on this scene graph
root.compile();
return root;
}
public void prepareCorak(
String projectPath, CorakLSystem cor, CorakDataObject obj, boolean encloseOBJ) {
this.projectPath = projectPath;
// initiate our "turtle" -> Canting
canting = new Canting(cor, obj);
// start creating shapes based on Cor
timer = System.currentTimeMillis();
canting.generate(encloseOBJ);
BoundingSphere lightingBounds = new BoundingSphere(new Point3d(0, 0, 0), FARTHEST);
camLamp = new PointLight();
camLamp.setCapability(PointLight.ALLOW_POSITION_READ);
camLamp.setCapability(PointLight.ALLOW_POSITION_WRITE);
camLamp.setColor(new Color3f(1.0f, 1.0f, 1.0f));
camLamp.setInfluencingBounds(lightingBounds);
ambient = new AmbientLight();
ambient.setColor(new Color3f(1.0f, 1.0f, 1.0f));
ambient.setInfluencingBounds(lightingBounds);
canting.getBatikBG().addChild(camLamp);
canting.getBatikBG().addChild(ambient);
// attach generated shapes to root TransformGroup
Enumeration kaintgchildren = kainTG.getAllChildren();
while (kaintgchildren.hasMoreElements()) {
Node child = (Node) kaintgchildren.nextElement();
if (child instanceof Measurer) {
((Measurer) child).removeAllChildren();
} else {
kainTG.removeChild(child);
}
}
// canting.getBatikBG().compile();
kainTG.addChild(canting.getBatikBG());
timer = System.currentTimeMillis() - timer;
// System.out.println("Timer= " + timer);
bs = (BoundingSphere) canting.getBatikBG().getBounds();
}
public void moveCamera() {
try {
cameraT3D.lookAt(cameraPos, cameraFocus, up);
cameraT3D.invert();
cameraTG.setTransform(cameraT3D);
// lamp position at camera
camLamp.setPosition(new Point3f(cameraPos));
// camera distance to object
camDist = cameraPos.distance(getObjCenter());
} catch (SingularMatrixException ex) {
ex.printStackTrace();
}
}
/**
* Used to create a new instance of the node. This routine is called by <code>cloneTree</code> to
* duplicate the current node.
*
* @param forceDuplicate when set to <code>true</code>, causes the <code>duplicateOnCloneTree
* </code> flag to be ignored. When <code>false</code>, the value of each node's <code>
* duplicateOnCloneTree</code> variable determines whether NodeComponent data is duplicated or
* copied.
* @see Node#cloneTree
* @see Node#cloneNode
* @see Node#duplicateNode
* @see NodeComponent#setDuplicateOnCloneTree
*/
public Node cloneNode(boolean forceDuplicate) {
PointLight p = new PointLight();
p.duplicateNode(this, forceDuplicate);
return p;
}
