////  ListShape.cpp//  libraries/shared/src////  Created by Andrew Meadows on 02/20/2014.//  Copyright 2014 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 "ListShape.h" // ListShapeEntry void ListShapeEntry::updateTransform(const glm::vec3& rootPosition, const glm::quat& rootRotation) {    _shape->setTranslation(rootPosition + rootRotation * _localPosition);    _shape->setRotation(_localRotation * rootRotation);} // ListShape ListShape::~ListShape() {    clear();} void ListShape::setTranslation(const glm::vec3& position) {    _subShapeTransformsAreDirty = true;    Shape::setTranslation(position);} void ListShape::setRotation(const glm::quat& rotation) {    _subShapeTransformsAreDirty = true;    Shape::setRotation(rotation);} const Shape* ListShape::getSubShape(int index) const {    if (index < 0 || index > _subShapeEntries.size()) {        return NULL;    }    return _subShapeEntries[index]._shape;} void ListShape::updateSubTransforms() {    if (_subShapeTransformsAreDirty) {        for (int i = 0; i < _subShapeEntries.size(); ++i) {            _subShapeEntries[i].updateTransform(_translation, _rotation);        }        _subShapeTransformsAreDirty = false;    }} void ListShape::addShape(Shape* shape, const glm::vec3& localPosition, const glm::quat& localRotation) {    if (shape) {        ListShapeEntry entry;        entry._shape = shape;        entry._localPosition = localPosition;        entry._localRotation = localRotation;        _subShapeEntries.push_back(entry);    }} void ListShape::setShapes(QVector<ListShapeEntry>& shapes) {    clear();    _subShapeEntries.swap(shapes);    // TODO: audit our new list of entries and delete any that have null pointers    computeBoundingRadius();} void ListShape::clear() {    // the ListShape owns its subShapes, so they need to be deleted    for (int i = 0; i < _subShapeEntries.size(); ++i) {        delete _subShapeEntries[i]._shape;    }    _subShapeEntries.clear();    setBoundingRadius(0.0f);} void ListShape::computeBoundingRadius() {    float maxRadius = 0.0f;    for (int i = 0; i < _subShapeEntries.size(); ++i) {        ListShapeEntry& entry = _subShapeEntries[i];        float radius = glm::length(entry._localPosition) + entry._shape->getBoundingRadius();        if (radius > maxRadius) {            maxRadius = radius;        }    }    setBoundingRadius(maxRadius);}