public Object getChild(final Object parent, final int index) {
if (parent instanceof Node) {
final Node parentNode = (Node) parent;
return parentNode.getChild(index);
}
return null;
}
/**
* Constructor
*
* @param state
*/
public Grid(GridState state) {
super(state.name);
this.state = state;
this.cellSize = state.size;
this.color = state.color;
this.lineWidth = state.lineWidth;
offset = new Vector3();
setLocation(state.location, false);
lattice = new HiddenLine("_lattice", IndexMode.Lines);
SpatialUtil.setPickHost(lattice, this);
lattice.setColor(color);
lattice.setModelBound(new BoundingBox());
MaterialState ms = new MaterialState();
ms.setColorMaterial(ColorMaterial.Emissive);
ms.setColorMaterialFace(MaterialState.MaterialFace.FrontAndBack);
ms.setEnabled(true);
text = new Node("_text");
text.getSceneHints().setLightCombineMode(LightCombineMode.Off);
text.getSceneHints().setPickingHint(PickingHint.Pickable, false);
text.setRenderState(ms);
setLabelVisible(state.labelVisible);
attachChild(lattice);
attachChild(text);
setVisible(state.visible);
setPinned(state.pinned);
state.setMapElement(this);
}
public int getIndexOfChild(final Object parent, final Object child) {
if (parent instanceof Node && child instanceof Spatial) {
final Node parentNode = (Node) parent;
return parentNode.getChildIndex((Spatial) child);
}
return 0;
}
public int getChildCount(final Object parent) {
if (parent instanceof Node) {
final Node parentNode = (Node) parent;
return parentNode.getNumberOfChildren();
}
return 0;
}
/** Show the label */
@Override
public void setLabelVisible(boolean visible) {
labelVisible = visible;
if (text != null) {
text.getSceneHints().setCullHint(visible ? CullHint.Inherit : CullHint.Always);
text.markDirty(DirtyType.RenderState);
}
}
public static void findCollisions(
final Spatial spatial, final Spatial scene, final CollisionResults results) {
if (spatial == scene
|| spatial.getWorldBound() == null
|| !spatial.getSceneHints().isPickingHintEnabled(PickingHint.Collidable)
|| !scene.getSceneHints().isPickingHintEnabled(PickingHint.Collidable)) {
return;
}
if (spatial instanceof Node) {
final Node node = (Node) spatial;
if (node.getWorldBound().intersects(scene.getWorldBound())) {
// further checking needed.
for (int i = 0; i < node.getNumberOfChildren(); i++) {
PickingUtil.findCollisions(node.getChild(i), scene, results);
}
}
} else if (spatial instanceof Mesh) {
final Mesh mesh = (Mesh) spatial;
if (mesh.getWorldBound().intersects(scene.getWorldBound())) {
if (scene instanceof Node) {
final Node parent = (Node) scene;
for (int i = 0; i < parent.getNumberOfChildren(); i++) {
PickingUtil.findCollisions(mesh, parent.getChild(i), results);
}
} else {
results.addCollision(mesh, (Mesh) scene);
}
}
}
}
public void dispose() {
if (selectedMesh != null) selectedMesh.removeController(updater);
selectedMesh = null;
bbvn = null;
root.detachChild(this);
for (InputTrigger it : inputTriggers) {
logicalLayer.deregisterTrigger(it);
}
}
/**
* Sets up a node to be transformed and clipped for skybox usage
*
* @param skyBox Handle to a node to use as skybox
*/
public void setSkybox(final Node skyBox) {
if (skyBox != null) {
final ClipState skyboxClipState = new ClipState();
skyboxClipState.setEnabled(false);
skyBox.setRenderState(skyboxClipState);
}
this.skyBox = skyBox;
}
@Override
public void draw(final Renderer r) {
initialize(r);
updateTranslations();
final double camWaterDist = waterPlane.pseudoDistance(cam.getLocation());
aboveWater = camWaterDist >= 0;
if (isSupported()) {
waterShader.setUniform("tangent", tangent);
waterShader.setUniform("binormal", binormal);
waterShader.setUniform("useFadeToFogColor", useFadeToFogColor);
waterShader.setUniform("waterColor", waterColorStart);
waterShader.setUniform("waterColorEnd", waterColorEnd);
waterShader.setUniform("normalTranslation", (float) normalTranslation);
waterShader.setUniform("refractionTranslation", (float) refractionTranslation);
waterShader.setUniform("abovewater", aboveWater);
if (useProjectedShader) {
waterShader.setUniform("cameraPos", cam.getLocation());
waterShader.setUniform("waterHeight", (float) waterPlane.getConstant());
waterShader.setUniform("amplitude", (float) waterMaxAmplitude);
waterShader.setUniform("heightFalloffStart", (float) heightFalloffStart);
waterShader.setUniform("heightFalloffSpeed", (float) heightFalloffSpeed);
}
final double heightTotal = clipBias + waterMaxAmplitude - waterPlane.getConstant();
final Vector4 clipPlane = Vector4.fetchTempInstance();
if (useReflection) {
clipPlane.set(
waterPlane.getNormal().getX(),
waterPlane.getNormal().getY(),
waterPlane.getNormal().getZ(),
heightTotal);
renderReflection(clipPlane);
}
if (useRefraction && aboveWater) {
clipPlane.set(
-waterPlane.getNormal().getX(),
-waterPlane.getNormal().getY(),
-waterPlane.getNormal().getZ(),
-waterPlane.getConstant());
renderRefraction(clipPlane);
}
}
if (fallbackTextureState != null) {
fallbackTextureStateMatrix.setM31(normalTranslation);
fallbackTexture.setTextureMatrix(fallbackTextureStateMatrix);
}
super.draw(r);
}
private Node createModel() {
final Node node = new Node("Node");
final Box box = new Box("Box", new Vector3(), 5, 5, 5);
box.setModelBound(new BoundingBox());
box.setTranslation(new Vector3(-3, 0, 0));
box.setRandomColors();
node.attachChild(box);
final Teapot teapot = new Teapot("Teapot");
teapot.setScale(2.0);
teapot.setTranslation(new Vector3(3, 0, 0));
node.attachChild(teapot);
final Torus torus = new Torus("Torus", 128, 128, 2, 4);
torus.setTranslation(new Vector3(-8, 3, 0));
node.attachChild(torus);
return node;
}
/**
* Recreate this Collision Tree for the given Node and child index.
*
* @param childIndex the index of the child to generate the tree for.
* @param parent The Node that this tree should represent.
* @param doSort true to sort primitives during creation, false otherwise
*/
public void construct(
final int childIndex, final int section, final Node parent, final boolean doSort) {
final Spatial spat = parent.getChild(childIndex);
if (spat instanceof Mesh) {
_mesh = makeRef((Mesh) spat);
_primitiveIndices = new int[((Mesh) spat).getMeshData().getPrimitiveCount(section)];
for (int i = 0; i < _primitiveIndices.length; i++) {
_primitiveIndices[i] = i;
}
createTree(section, 0, _primitiveIndices.length, doSort);
}
}
public static void findPick(final Spatial spatial, final Ray3 ray, final PickResults results) {
if (!spatial.getSceneHints().isPickingHintEnabled(PickingHint.Pickable)) {
return;
}
if (spatial instanceof Node) {
final Node node = (Node) spatial;
if (node.getNumberOfChildren() == 0 || node.getWorldBound() == null) {
return;
}
if (node.getWorldBound().intersects(ray)) {
// further checking needed.
for (int i = 0; i < node.getNumberOfChildren(); i++) {
PickingUtil.findPick(node.getChild(i), ray, results);
}
}
} else if (spatial instanceof Mesh) {
final Mesh mesh = (Mesh) spatial;
if (mesh.getWorldBound() == null) {
return;
}
if (mesh.getWorldBound().intersects(ray)) {
// find the primitive that is being hit.
// add this node and the primitive to the PickResults list.
results.addPick(ray, mesh);
}
}
}
public static boolean hasCollision(
final Spatial spatial, final Spatial scene, final boolean checkPrimitives) {
if (spatial == scene
|| spatial.getWorldBound() == null
|| !spatial.getSceneHints().isPickingHintEnabled(PickingHint.Collidable)
|| !scene.getSceneHints().isPickingHintEnabled(PickingHint.Collidable)) {
return false;
}
if (spatial instanceof Node) {
final Node node = (Node) spatial;
if (node.getWorldBound().intersects(scene.getWorldBound())) {
if (node.getNumberOfChildren() == 0 && !checkPrimitives) {
return true;
}
// further checking needed.
for (int i = 0; i < node.getNumberOfChildren(); i++) {
if (PickingUtil.hasCollision(node.getChild(i), scene, checkPrimitives)) {
return true;
}
}
}
} else if (spatial instanceof Mesh) {
final Mesh mesh = (Mesh) spatial;
if (mesh.getWorldBound().intersects(scene.getWorldBound())) {
if (scene instanceof Node) {
final Node parent = (Node) scene;
for (int i = 0; i < parent.getNumberOfChildren(); i++) {
if (PickingUtil.hasCollision(mesh, parent.getChild(i), checkPrimitives)) {
return true;
}
}
return false;
}
if (!checkPrimitives) {
return true;
}
return PickingUtil.hasTriangleCollision(mesh, (Mesh) scene);
}
return false;
}
return false;
}
/** Render water refraction RTT */
private void renderRefraction(final Vector4 clipPlane) {
if (renderList.isEmpty()) {
return;
}
refractionTime += tpf;
if (refractionTime < refractionThrottle) {
return;
}
refractionTime = 0;
// tRenderer.getCamera().set(cam);
tRenderer.getCamera().setLocation(cam.getLocation());
tRenderer.getCamera().setDirection(cam.getDirection());
tRenderer.getCamera().setUp(cam.getUp());
tRenderer.getCamera().setLeft(cam.getLeft());
CullHint cullMode = CullHint.Dynamic;
if (skyBox != null) {
cullMode = skyBox.getSceneHints().getCullHint();
skyBox.getSceneHints().setCullHint(CullHint.Always);
}
tRenderer.getCamera().setProjectionMatrix(cam.getProjectionMatrix());
texArray.clear();
texArray.add(textureRefract);
texArray.add(textureDepth);
tRenderer.getCamera().update();
tRenderer.getCamera().getModelViewMatrix();
tRenderer.getCamera().getProjectionMatrix();
tRenderer.render(renderList, texArray, Renderer.BUFFER_COLOR_AND_DEPTH);
if (skyBox != null) {
skyBox.getSceneHints().setCullHint(cullMode);
}
}
/**
@Override
public void read(final InputCapsule capsule) throws IOException {
super.read(capsule);
_length = capsule.readDouble("length", 1);
_width = capsule.readDouble("width", .25);
}
@Override
public void write(final OutputCapsule capsule) throws IOException {
super.write(capsule);
capsule.write(_length, "length", 1);
capsule.write(_width, "width", .25);
}
/** Render water reflection RTT */
private void renderReflection(final Vector4 clipPlane) {
if (renderList.isEmpty()) {
return;
}
reflectionTime += tpf;
if (reflectionTime < reflectionThrottle) {
return;
}
reflectionTime = 0;
if (aboveWater) {
camLocation.set(cam.getLocation());
double planeDistance = waterPlane.pseudoDistance(camLocation);
calcVect.set(waterPlane.getNormal()).multiplyLocal(planeDistance * 2.0f);
camReflectPos.set(camLocation.subtractLocal(calcVect));
camLocation.set(cam.getLocation()).addLocal(cam.getDirection());
planeDistance = waterPlane.pseudoDistance(camLocation);
calcVect.set(waterPlane.getNormal()).multiplyLocal(planeDistance * 2.0f);
camReflectDir
.set(camLocation.subtractLocal(calcVect))
.subtractLocal(camReflectPos)
.normalizeLocal();
camLocation.set(cam.getLocation()).addLocal(cam.getUp());
planeDistance = waterPlane.pseudoDistance(camLocation);
calcVect.set(waterPlane.getNormal()).multiplyLocal(planeDistance * 2.0f);
camReflectUp
.set(camLocation.subtractLocal(calcVect))
.subtractLocal(camReflectPos)
.normalizeLocal();
camReflectLeft.set(camReflectUp).crossLocal(camReflectDir).normalizeLocal();
tRenderer.getCamera().setLocation(camReflectPos);
tRenderer.getCamera().setDirection(camReflectDir);
tRenderer.getCamera().setUp(camReflectUp);
tRenderer.getCamera().setLeft(camReflectLeft);
} else {
tRenderer.getCamera().setLocation(cam.getLocation());
tRenderer.getCamera().setDirection(cam.getDirection());
tRenderer.getCamera().setUp(cam.getUp());
tRenderer.getCamera().setLeft(cam.getLeft());
}
if (skyBox != null) {
tmpLocation.set(skyBox.getTranslation());
skyBox.setTranslation(tRenderer.getCamera().getLocation());
skyBox.updateGeometricState(0.0f);
skyBox.getSceneHints().setCullHint(CullHint.Never);
}
texArray.clear();
if (doBlurReflection) {
texArray.add(textureReflect);
} else {
texArray.add(textureReflectBlur);
}
tRenderer.getCamera().setProjectionMode(ProjectionMode.Custom);
tRenderer.getCamera().setProjectionMatrix(cam.getProjectionMatrix());
tRenderer.render(skyBox, texArray, Renderer.BUFFER_COLOR_AND_DEPTH);
if (skyBox != null) {
skyBox.getSceneHints().setCullHint(CullHint.Always);
}
modifyProjectionMatrix(clipPlane);
tRenderer.render(renderList, texArray, Renderer.BUFFER_NONE);
if (doBlurReflection) {
blurReflectionTexture();
}
if (skyBox != null) {
skyBox.setTranslation(tmpLocation);
skyBox.updateGeometricState(0.0f);
skyBox.getSceneHints().setCullHint(CullHint.Never);
}
}
public static void attachToScene(Node root, LogicalLayer logicalLayer) {
detachFromScene();
REF = new Analyzer(root, logicalLayer);
root.attachChild(REF);
}
private void addObjects() {
final Box box1 = new Box("box", Vector3.ZERO, 5, 15, 5);
box1.setTranslation(0, box1.getYExtent(), 0);
TextureState ts = new TextureState();
ts.setTexture(
TextureManager.load("images/skybox/1.jpg", Texture.MinificationFilter.Trilinear, true));
box1.setRenderState(ts);
box1.getSceneHints().setPickingHint(PickingHint.Pickable, true);
box1.setModelBound(new BoundingBox());
final Node base = new Node();
base.setTranslation(0, 0, 0);
base.attachChild(box1);
_root.attachChild(base);
final Sphere sphere = new Sphere("sphere", Vector3.ZERO, 16, 16, 8);
ts = new TextureState();
ts.setTexture(
TextureManager.load(
"images/water/dudvmap.png", Texture.MinificationFilter.Trilinear, true));
sphere.setRenderState(ts);
sphere.getSceneHints().setPickingHint(PickingHint.Pickable, true);
sphere.setModelBound(new BoundingSphere());
final Node joint = new Node();
joint.setTranslation(0, sphere.getRadius() + 2 * box1.getYExtent(), 0);
joint.attachChild(sphere);
base.attachChild(joint);
final Box box2 = new Box("box", Vector3.ZERO, 5, 15, 5);
box2.setTranslation(0, box2.getYExtent(), 0);
ts = new TextureState();
ts.setTexture(
TextureManager.load("images/skybox/3.jpg", Texture.MinificationFilter.Trilinear, true));
box2.setRenderState(ts);
box2.getSceneHints().setPickingHint(PickingHint.Pickable, true);
box2.setModelBound(new BoundingBox());
final Node arm = new Node();
arm.setTranslation(0, sphere.getRadius(), 0);
arm.attachChild(box2);
joint.attachChild(arm);
// auto select the joint
_root.updateGeometricState(0);
manager.setSpatialTarget(joint);
}
@Override
protected void initExample() {
_canvas.setTitle("Various size imposters - Example");
_canvas.getCanvasRenderer().getCamera().setLocation(new Vector3(0, 60, 80));
_canvas.getCanvasRenderer().getCamera().lookAt(new Vector3(), Vector3.UNIT_Y);
final BasicText keyText =
BasicText.createDefaultTextLabel("Text", "[SPACE] Switch imposters off");
keyText.getSceneHints().setRenderBucketType(RenderBucketType.Ortho);
keyText.getSceneHints().setLightCombineMode(LightCombineMode.Off);
keyText.setTranslation(new Vector3(0, 20, 0));
_root.attachChild(keyText);
final Box box = new Box("Box", new Vector3(), 150, 1, 150);
box.setModelBound(new BoundingBox());
box.setTranslation(new Vector3(0, -10, 0));
_root.attachChild(box);
final QuadImposterNode imposter0 =
new QuadImposterNode(
"Imposter1", 256, 256, _settings.getDepthBits(), _settings.getSamples(), _timer);
imposter0.setRedrawRate(0.0); // No timed update
imposter0.setCameraAngleThreshold(1.0 * MathUtils.DEG_TO_RAD);
imposter0.setCameraDistanceThreshold(0.1);
_root.attachChild(imposter0);
final Node scene1 = createModel();
scene1.setTranslation(0, 0, 0);
imposter0.attachChild(scene1);
final QuadImposterNode imposter1 =
new QuadImposterNode(
"Imposter1", 128, 128, _settings.getDepthBits(), _settings.getSamples(), _timer);
imposter1.setRedrawRate(0.0); // No timed update
imposter1.setCameraAngleThreshold(1.0 * MathUtils.DEG_TO_RAD);
imposter1.setCameraDistanceThreshold(0.1);
_root.attachChild(imposter1);
final Node scene2 = createModel();
scene2.setTranslation(-15, 0, -25);
imposter1.attachChild(scene2);
final QuadImposterNode imposter2 =
new QuadImposterNode(
"Imposter2", 64, 64, _settings.getDepthBits(), _settings.getSamples(), _timer);
imposter2.setRedrawRate(0.0); // No timed update
imposter2.setCameraAngleThreshold(1.0 * MathUtils.DEG_TO_RAD);
imposter2.setCameraDistanceThreshold(0.1);
_root.attachChild(imposter2);
final Node scene3 = createModel();
scene3.setTranslation(15, 0, -25);
imposter2.attachChild(scene3);
_logicalLayer.registerTrigger(
new InputTrigger(
new KeyPressedCondition(Key.SPACE),
new TriggerAction() {
public void perform(
final Canvas source, final TwoInputStates inputStates, final double tpf) {
showImposter = !showImposter;
if (showImposter) {
_root.detachChild(scene1);
_root.detachChild(scene2);
_root.detachChild(scene3);
imposter0.attachChild(scene1);
imposter1.attachChild(scene2);
imposter2.attachChild(scene3);
_root.attachChild(imposter0);
_root.attachChild(imposter1);
_root.attachChild(imposter2);
keyText.setText("[SPACE] Switch imposters off");
} else {
_root.detachChild(imposter0);
_root.detachChild(imposter1);
_root.detachChild(imposter2);
_root.attachChild(scene1);
_root.attachChild(scene2);
_root.attachChild(scene3);
keyText.setText("[SPACE] Switch imposters on");
}
}
}));
final TextureState ts = new TextureState();
ts.setEnabled(true);
ts.setTexture(
TextureManager.load(
"images/ardor3d_white_256.jpg", Texture.MinificationFilter.Trilinear, true));
final MaterialState ms = new MaterialState();
ms.setColorMaterial(ColorMaterial.Diffuse);
_root.setRenderState(ms);
_root.setRenderState(ts);
_root.acceptVisitor(new UpdateModelBoundVisitor(), false);
}