contains method
Whether worldPosition sits inside this volume.
Implementation
bool contains(Vector3 worldPosition) {
final center = node.globalTransform.getTranslation();
return (worldPosition.x - center.x).abs() <= extents.x &&
(worldPosition.y - center.y).abs() <= extents.y &&
(worldPosition.z - center.z).abs() <= extents.z;
}