////  CharacterGhostShape.cpp//  libraries/physics/src////  Created by Andrew Meadows 2016.09.14//  Copyright 2016 High Fidelity, Inc.////  Distributed under the Apache License, Version 2.0.//  See the accompanying file LICENSE or http://www.apache.org/licenses/LICENSE-2.0.html// #include "CharacterGhostShape.h" #include <assert.h>  CharacterGhostShape::CharacterGhostShape(const btConvexHullShape* shape) :        btConvexHullShape(reinterpret_cast<const btScalar*>(shape->getUnscaledPoints()), shape->getNumPoints(), sizeof(btVector3)) {    assert(shape);    assert(shape->getUnscaledPoints());    assert(shape->getNumPoints() > 0);    setMargin(shape->getMargin());} void CharacterGhostShape::getAabb (const btTransform& t, btVector3& aabbMin, btVector3& aabbMax) const {    btConvexHullShape::getAabb(t, aabbMin, aabbMax);    // double the size of the Aabb by expanding both corners by half the extent    btVector3 expansion = 0.5f * (aabbMax - aabbMin);    aabbMin -= expansion;    aabbMax += expansion;}