*
* @param entity the entity to get the shape of.
* @return the shape of the entity, ready to be used by Bullet.
*/
private ConvexShape getShapeFor(EntityRef entity) {
BoxShapeComponent box = entity.getComponent(BoxShapeComponent.class);
if (box != null) {
Vector3f halfExtents = new Vector3f(box.extents);
halfExtents.scale(0.5f);
return new BoxShape(halfExtents);
}