/**
* Compute bounds of a geomList
*
* @param list
* @param mat
* @return
*/
public static BoundingBox computeUnionBound(GeometryList list, Matrix4f mat) {
BoundingBox bbox = new BoundingBox();
BoundingVolume store = null;
for (int i = 0; i < list.size(); i++) {
BoundingVolume vol = list.get(i).getWorldBound();
store = vol.clone().transform(mat, null);
// Nehon : prevent NaN and infinity values to screw the final bounding box
if (!Float.isNaN(store.getCenter().x) && !Float.isInfinite(store.getCenter().x)) {
bbox.mergeLocal(store);
}
}
return bbox;
}
/**
* @return A clone of this Spatial, the scene graph in its entirety is cloned and can be altered
* independently of the original scene graph.
* <p>Note that meshes of geometries are not cloned explicitly, they are shared if static, or
* specially cloned if animated.
* <p>All controls will be cloned using the Control.cloneForSpatial method on the clone.
* @see Mesh#cloneForAnim()
*/
public Spatial clone(boolean cloneMaterial) {
try {
Spatial clone = (Spatial) super.clone();
if (worldBound != null) {
clone.worldBound = worldBound.clone();
}
clone.worldLights = worldLights.clone();
clone.localLights = localLights.clone();
// Set the new owner of the light lists
clone.localLights.setOwner(clone);
clone.worldLights.setOwner(clone);
// No need to force cloned to update.
// This node already has the refresh flags
// set below so it will have to update anyway.
clone.worldTransform = worldTransform.clone();
clone.localTransform = localTransform.clone();
if (clone instanceof Node) {
Node node = (Node) this;
Node nodeClone = (Node) clone;
nodeClone.children = new SafeArrayList<Spatial>(Spatial.class);
for (Spatial child : node.children) {
Spatial childClone = child.clone(cloneMaterial);
childClone.parent = nodeClone;
nodeClone.children.add(childClone);
}
}
clone.parent = null;
clone.setBoundRefresh();
clone.setTransformRefresh();
clone.setLightListRefresh();
clone.controls = new SafeArrayList<Control>(Control.class);
for (int i = 0; i < controls.size(); i++) {
Control newControl = controls.get(i).cloneForSpatial(clone);
newControl.setSpatial(clone);
clone.controls.add(newControl);
}
if (userData != null) {
clone.userData = (HashMap<String, Savable>) userData.clone();
}
return clone;
} catch (CloneNotSupportedException ex) {
throw new AssertionError();
}
}