/**
* Computes the bounds of multiple bounding volumes
*
* @param bv
* @return
*/
public static BoundingBox computeUnionBound(List<BoundingVolume> bv) {
BoundingBox bbox = new BoundingBox();
for (int i = 0; i < bv.size(); i++) {
BoundingVolume vol = bv.get(i);
bbox.mergeLocal(vol);
}
return bbox;
}
/**
* Compute bounds of a geomList
*
* @param list
* @param transform
* @return
*/
public static BoundingBox computeUnionBound(GeometryList list, Transform transform) {
BoundingBox bbox = new BoundingBox();
for (int i = 0; i < list.size(); i++) {
BoundingVolume vol = list.get(i).getWorldBound();
BoundingVolume newVol = vol.transform(transform);
// Nehon : prevent NaN and infinity values to screw the final bounding box
if (!Float.isNaN(newVol.getCenter().x) && !Float.isInfinite(newVol.getCenter().x)) {
bbox.mergeLocal(newVol);
}
}
return bbox;
}
/**
* 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;
}