@Override
protected void renderExample(final Renderer renderer) {
super.renderExample(renderer);
renderer.renderBuckets();
// draw our UI elements.
renderer.draw(hud);
}
@Override
protected void registerInputTriggers() {
super.registerInputTriggers();
_logicalLayer.registerTrigger(
new InputTrigger(
TriggerConditions.mouseMoved(),
new TriggerAction() {
public void perform(
final Canvas source, final TwoInputStates inputStates, final double tpf) {
if (!allowClicks || !zoom) {
return;
}
final int x = inputStates.getCurrent().getMouseState().getX();
float ratio = (float) x / _canvas.getCanvasRenderer().getCamera().getWidth();
ratio = (2 * ratio) - 1;
// make a dead zone in center.
if (Math.abs(ratio) < 0.1) {
ratio = 0;
}
speed = MAX_SPEED * ratio;
}
}));
}
@Override
protected void registerInputTriggers() {
super.registerInputTriggers();
// Add mouse-over to show labels
_logicalLayer.registerTrigger(
new InputTrigger(
new MouseMovedCondition(),
new TriggerAction() {
public void perform(
final Canvas source, final TwoInputStates inputStates, final double tpf) {
// Put together a pick ray
final Vector2 pos =
Vector2.fetchTempInstance()
.set(
inputStates.getCurrent().getMouseState().getX(),
inputStates.getCurrent().getMouseState().getY());
final Ray3 pickRay = Ray3.fetchTempInstance();
_canvas.getCanvasRenderer().getCamera().getPickRay(pos, false, pickRay);
Vector2.releaseTempInstance(pos);
// Do the pick
_pickResults.clear();
PickingUtil.findPick(_root, pickRay, _pickResults);
Ray3.releaseTempInstance(pickRay);
if (_pickResults.getNumber() > 0) {
// picked something, show label.
_text.getSceneHints().setCullHint(CullHint.Never);
// set our text to the name of the ancestor of this object that is right under the
// _root node.
final PickData pick = _pickResults.getPickData(0);
if (pick.getTarget() instanceof Spatial) {
final Spatial topLevel = getTopLevel((Spatial) pick.getTarget());
if (!topLevel.equals(_picked)) {
clearPicked();
_picked = topLevel;
_picked.addController(_pickedControl);
}
_text.setText(topLevel.getName());
}
} else {
// No pick, clear label.
_text.getSceneHints().setCullHint(CullHint.Always);
_text.setText("");
clearPicked();
}
}
private void clearPicked() {
if (_picked != null) {
final MaterialState ms =
(MaterialState) _picked.getLocalRenderState(StateType.Material);
ms.setAmbient(ColorRGBA.DARK_GRAY);
_picked.removeController(_pickedControl);
}
_picked = null;
}
private Spatial getTopLevel(final Spatial target) {
if (target.getParent() == null || target.getParent().equals(_root)) {
return target;
} else {
return getTopLevel(target.getParent());
}
}
}));
}
@Override
protected void renderExample(final Renderer renderer) {
super.renderExample(renderer);
manager.render(renderer);
}
/**
