.. _program_listing_file__tmp_ws_src_rviz_rviz_default_plugins_include_rviz_default_plugins_view_controllers_fps_fps_view_controller.hpp:

Program Listing for File fps_view_controller.hpp
================================================

|exhale_lsh| :ref:`Return to documentation for file <file__tmp_ws_src_rviz_rviz_default_plugins_include_rviz_default_plugins_view_controllers_fps_fps_view_controller.hpp>` (``/tmp/ws/src/rviz/rviz_default_plugins/include/rviz_default_plugins/view_controllers/fps/fps_view_controller.hpp``)

.. |exhale_lsh| unicode:: U+021B0 .. UPWARDS ARROW WITH TIP LEFTWARDS

.. code-block:: cpp

   /*
    * Copyright (c) 2012, Willow Garage, Inc.
    * Copyright (c) 2018, Bosch Software Innovations GmbH.
    * All rights reserved.
    *
    * Redistribution and use in source and binary forms, with or without
    * modification, are permitted provided that the following conditions are met:
    *
    *     * Redistributions of source code must retain the above copyright
    *       notice, this list of conditions and the following disclaimer.
    *     * Redistributions in binary form must reproduce the above copyright
    *       notice, this list of conditions and the following disclaimer in the
    *       documentation and/or other materials provided with the distribution.
    *     * Neither the name of the Willow Garage, Inc. nor the names of its
    *       contributors may be used to endorse or promote products derived from
    *       this software without specific prior written permission.
    *
    * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
    * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
    * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
    * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
    * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
    * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
    * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
    * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
    * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
    * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
    * POSSIBILITY OF SUCH DAMAGE.
    */
   
   #ifndef RVIZ_DEFAULT_PLUGINS__VIEW_CONTROLLERS__FPS__FPS_VIEW_CONTROLLER_HPP_
   #define RVIZ_DEFAULT_PLUGINS__VIEW_CONTROLLERS__FPS__FPS_VIEW_CONTROLLER_HPP_
   
   #ifdef __clang__
   # pragma clang diagnostic push
   # pragma clang diagnostic ignored "-Wkeyword-macro"
   #endif
   
   #include <OgreVector3.h>
   #include <OgreQuaternion.h>
   
   #ifdef __clang__
   # pragma clang diagnostic pop
   #endif
   
   #include "rviz_common/frame_position_tracking_view_controller.hpp"
   
   #include "rviz_default_plugins/visibility_control.hpp"
   
   namespace rviz_common
   {
   namespace properties
   {
   class FloatProperty;
   class Shape;
   class VectorProperty;
   }  // namespace properties
   }  // namespace rviz_common
   
   namespace rviz_default_plugins
   {
   namespace view_controllers
   {
   class RVIZ_DEFAULT_PLUGINS_PUBLIC FPSViewController : public
     rviz_common::FramePositionTrackingViewController
   {
   public:
     FPSViewController();
   
     ~FPSViewController() override;
   
     void onInitialize() override;
   
     void yaw(float angle);
   
     void pitch(float angle);
   
     void move(float x, float y, float z);  // NOLINT (this is not std::move)
   
     void handleMouseEvent(rviz_common::ViewportMouseEvent & evt) override;
   
     void lookAt(const Ogre::Vector3 & point) override;
   
     void reset() override;
   
     void mimic(rviz_common::ViewController * source_view) override;
   
     void update(float dt, float ros_dt) override;
   
   protected:
     void onTargetFrameChanged(
       const Ogre::Vector3 & old_reference_position,
       const Ogre::Quaternion & old_reference_orientation) override;
   
     void setPropertiesFromCamera(Ogre::Camera * source_camera);
     void updateCamera();
   
     void setCursorStatus(rviz_common::ViewportMouseEvent & event);
     bool extractMouseMoveDifference(
       const rviz_common::ViewportMouseEvent & event, int32_t & diff_x, int32_t & diff_y) const;
     void moveCamera(rviz_common::ViewportMouseEvent & event, int32_t diff_x, int32_t diff_y);
     bool handleMouseWheelMovement(const rviz_common::ViewportMouseEvent & event);
     void handleQuaternionOrientationAmbiguity(
       const Ogre::Quaternion & quaternion, float & yaw, float & pitch) const;
   
     Ogre::Quaternion getOrientation();
   
     rviz_common::properties::FloatProperty * yaw_property_;
     rviz_common::properties::FloatProperty * pitch_property_;
     rviz_common::properties::VectorProperty * position_property_;
   };
   
   }  // namespace view_controllers
   }  // namespace rviz_default_plugins
   
   #endif  // RVIZ_DEFAULT_PLUGINS__VIEW_CONTROLLERS__FPS__FPS_VIEW_CONTROLLER_HPP_