////  HMDScriptingInterface.cpp//  interface/src/scripting////  Created by Thijs Wenker on 1/12/15.//  Copyright 2015 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 "HMDScriptingInterface.h" #include <QtScript/QScriptContext> #include "display-plugins/DisplayPlugin.h"#include <avatar/AvatarManager.h>#include "Application.h" HMDScriptingInterface::HMDScriptingInterface() {} QScriptValue HMDScriptingInterface::getHUDLookAtPosition2D(QScriptContext* context, QScriptEngine* engine) {    glm::vec3 hudIntersection;    auto instance = DependencyManager::get<HMDScriptingInterface>();    if (instance->getHUDLookAtPosition3D(hudIntersection)) {        MyAvatar* myAvatar = DependencyManager::get<AvatarManager>()->getMyAvatar();        glm::vec3 sphereCenter = myAvatar->getDefaultEyePosition();        glm::vec3 direction = glm::inverse(myAvatar->getOrientation()) * (hudIntersection - sphereCenter);        glm::vec2 polar = glm::vec2(glm::atan(direction.x, -direction.z), glm::asin(direction.y)) * -1.0f;        auto overlayPos = qApp->getApplicationCompositor().sphericalToOverlay(polar);        return qScriptValueFromValue<glm::vec2>(engine, overlayPos);    }    return QScriptValue::NullValue;} QScriptValue HMDScriptingInterface::getHUDLookAtPosition3D(QScriptContext* context, QScriptEngine* engine) {    glm::vec3 result;    auto instance = DependencyManager::get<HMDScriptingInterface>();    if (instance->getHUDLookAtPosition3D(result)) {        return qScriptValueFromValue<glm::vec3>(engine, result);    }    return QScriptValue::NullValue;} bool HMDScriptingInterface::getHUDLookAtPosition3D(glm::vec3& result) const {    Camera* camera = qApp->getCamera();    glm::vec3 position = camera->getPosition();    glm::quat orientation = camera->getOrientation();     glm::vec3 direction = orientation * glm::vec3(0.0f, 0.0f, -1.0f);     const auto& compositor = qApp->getApplicationCompositor();     return compositor.calculateRayUICollisionPoint(position, direction, result);} glm::mat4 HMDScriptingInterface::getWorldHMDMatrix() const {    MyAvatar* myAvatar = DependencyManager::get<AvatarManager>()->getMyAvatar();    return myAvatar->getSensorToWorldMatrix() * myAvatar->getHMDSensorMatrix();} glm::vec3 HMDScriptingInterface::getPosition() const {    if (qApp->getActiveDisplayPlugin()->isHmd()) {        return extractTranslation(getWorldHMDMatrix());    }    return glm::vec3();} glm::quat HMDScriptingInterface::getOrientation() const {    if (qApp->getActiveDisplayPlugin()->isHmd()) {        return glm::normalize(glm::quat_cast(getWorldHMDMatrix()));    }    return glm::quat();}