glc_panmover.cpp

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00001 /****************************************************************************
00002 
00003  This file is part of the GLC-lib library.
00004  Copyright (C) 2005-2008 Laurent Ribon (laumaya@users.sourceforge.net)
00005  http://glc-lib.sourceforge.net
00006 
00007  GLC-lib is free software; you can redistribute it and/or modify
00008  it under the terms of the GNU Lesser General Public License as published by
00009  the Free Software Foundation; either version 3 of the License, or
00010  (at your option) any later version.
00011 
00012  GLC-lib is distributed in the hope that it will be useful,
00013  but WITHOUT ANY WARRANTY; without even the implied warranty of
00014  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
00015  GNU Lesser General Public License for more details.
00016 
00017  You should have received a copy of the GNU Lesser General Public License
00018  along with GLC-lib; if not, write to the Free Software
00019  Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
00020 
00021  *****************************************************************************/
00022 
00024 
00025 #include "glc_panmover.h"
00026 #include "glc_viewport.h"
00027 #include "QMouseEvent"
00028 
00029 // Default constructor
00030 GLC_PanMover::GLC_PanMover(GLC_Viewport* pViewport, const QList<GLC_RepMover*>& repsList)
00031 : GLC_Mover(pViewport, repsList)
00032 {
00033 
00034 }
00035 
00036 // Copy constructor
00037 GLC_PanMover::GLC_PanMover(const GLC_PanMover& panMover)
00038 : GLC_Mover(panMover)
00039 {
00040 
00041 }
00042 
00043 
00044 GLC_PanMover::~GLC_PanMover()
00045 {
00046 
00047 }
00048 
00050 // Get Functions
00052 
00053 // Return a clone of the mover
00054 GLC_Mover* GLC_PanMover::clone() const
00055 {
00056         return new GLC_PanMover(*this);
00057 }
00058 
00059 
00061 // Set Functions
00063 
00064 // Initialized the mover
00065 void GLC_PanMover::init(const GLC_UserInput& userInput)
00066 {
00067         m_PreviousVector= m_pViewport->mapPosMouse(static_cast<double>(userInput.x()), static_cast<double>(userInput.y()));
00068 }
00069 
00070 // Move the camera
00071 bool GLC_PanMover::move(const GLC_UserInput& userInput)
00072 {
00073         const GLC_Vector3d VectCur(m_pViewport->mapPosMouse(static_cast<double>(userInput.x()), static_cast<double>(userInput.y())));
00074         const GLC_Vector3d VectPan= VectCur - m_PreviousVector; // moving Vector
00075 
00076         // Pan the camera
00077         m_pViewport->cameraHandle()->pan(-VectPan);
00078         m_PreviousVector= VectCur;
00079         return true;
00080 }
00081 

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©2005-2011 Laurent Ribon