orbit_camera.h
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00001 /*
00002  * Copyright (c) 2008, Willow Garage, Inc.
00003  * All rights reserved.
00004  *
00005  * Redistribution and use in source and binary forms, with or without
00006  * modification, are permitted provided that the following conditions are met:
00007  *
00008  *     * Redistributions of source code must retain the above copyright
00009  *       notice, this list of conditions and the following disclaimer.
00010  *     * Redistributions in binary form must reproduce the above copyright
00011  *       notice, this list of conditions and the following disclaimer in the
00012  *       documentation and/or other materials provided with the distribution.
00013  *     * Neither the name of the Willow Garage, Inc. nor the names of its
00014  *       contributors may be used to endorse or promote products derived from
00015  *       this software without specific prior written permission.
00016  *
00017  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
00018  * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
00019  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
00020  * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
00021  * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
00022  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
00023  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
00024  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
00025  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
00026  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
00027  * POSSIBILITY OF SUCH DAMAGE.
00028  */
00029 
00030 #ifndef OGRE_TOOLS_ORBIT_CAMERA_H_
00031 #define OGRE_TOOLS_ORBIT_CAMERA_H_
00032 
00033 #include "camera_base.h"
00034 #include <OgreVector3.h>
00035 
00036 namespace Ogre
00037 {
00038   class Camera;
00039   class SceneNode;
00040   class SceneManager;
00041 }
00042 
00043 namespace rviz
00044 {
00045 
00046 class Shape;
00047 
00062 class OrbitCamera : public CameraBase
00063 {
00064 public:
00065   OrbitCamera( Ogre::SceneManager* scene_manager );
00066   virtual ~OrbitCamera();
00067 
00072   void zoom( float amount );
00077   void setFocalPoint( const Ogre::Vector3& focal_point );
00078 
00079   float getPitch() { return pitch_; }
00080   float getYaw() { return yaw_; }
00081   float getDistance() { return distance_; }
00082   const Ogre::Vector3& getFocalPoint() { return focal_point_; }
00083 
00084   virtual void setFrom( CameraBase* camera );
00085   virtual void yaw( float angle );
00086   virtual void pitch( float angle );
00087   virtual void roll( float angle );
00088   virtual void setOrientation( float x, float y, float z, float w );
00089   virtual void setPosition( float x, float y, float z );
00090   virtual void move( float x, float y, float z );
00091 
00092   virtual Ogre::Vector3 getPosition();
00093   virtual Ogre::Quaternion getOrientation();
00094 
00095   virtual void lookAt( const Ogre::Vector3& point );
00096 
00097   virtual void mouseLeftDrag( int diff_x, int diff_y, bool ctrl, bool alt, bool shift );
00098   virtual void mouseMiddleDrag( int diff_x, int diff_y, bool ctrl, bool alt, bool shift );
00099   virtual void mouseRightDrag( int diff_x, int diff_y, bool ctrl, bool alt, bool shift );
00100   virtual void scrollWheel( int diff, bool ctrl, bool alt, bool shift );
00101 
00105   virtual void update();
00106 
00107   virtual void mouseLeftDown( int x, int y );
00108   virtual void mouseMiddleDown( int x, int y );
00109   virtual void mouseRightDown( int x, int y );
00110   virtual void mouseLeftUp( int x, int y );
00111   virtual void mouseMiddleUp( int x, int y );
00112   virtual void mouseRightUp( int x, int y );
00113 
00114   virtual void fromString(const std::string& str);
00115   virtual std::string toString();
00116 
00117 private:
00118 
00119   Ogre::Vector3 getGlobalFocalPoint();
00120 
00125   void calculatePitchYawFromPosition( const Ogre::Vector3& position );
00129   void normalizePitch();
00133   void normalizeYaw();
00134 
00135   Ogre::Vector3 focal_point_;         
00136   float yaw_;                         
00137   float pitch_;                       
00138   float distance_;                    
00139 
00140   Shape* focal_point_object_;
00141 };
00142 
00143 } // namespace rviz
00144 
00145 #endif /*OGRE_TOOLS_ORBIT_CAMERA_H_*/


rviz
Author(s): Dave Hershberger, David Gossow, Josh Faust
autogenerated on Thu Aug 27 2015 15:02:27