# Visualization Library

A lightweight C++ OpenGL middleware for 2D/3D graphics

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# D:/VL/BuildSystem/VL_DISTRO/Visualization_Library_SDK/src/vlCore/Transform.cpp

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    00001 /**************************************************************************************/
    00002 /*                                                                                    */
    00003 /*  Visualization Library                                                             */
    00004 /*  http://www.visualizationlibrary.org                                               */
    00005 /*                                                                                    */
    00006 /*  Copyright (c) 2005-2010, Michele Bosi                                             */
    00007 /*  All rights reserved.                                                              */
    00008 /*                                                                                    */
    00009 /*  Redistribution and use in source and binary forms, with or without modification,  */
    00010 /*  are permitted provided that the following conditions are met:                     */
    00011 /*                                                                                    */
    00012 /*  - Redistributions of source code must retain the above copyright notice, this     */
    00013 /*  list of conditions and the following disclaimer.                                  */
    00014 /*                                                                                    */
    00015 /*  - Redistributions in binary form must reproduce the above copyright notice, this  */
    00016 /*  list of conditions and the following disclaimer in the documentation and/or       */
    00017 /*  other materials provided with the distribution.                                   */
    00018 /*                                                                                    */
    00019 /*  THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND   */
    00020 /*  ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED     */
    00021 /*  WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE            */
    00022 /*  DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR  */
    00023 /*  ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES    */
    00024 /*  (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;      */
    00025 /*  LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON    */
    00026 /*  ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT           */
    00027 /*  (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS     */
    00028 /*  SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.                      */
    00029 /*                                                                                    */
    00030 /**************************************************************************************/
    00031
    00032 #include <vlCore/Transform.hpp>
    00033 #include <vlCore/GlobalSettings.hpp>
    00034 #include <vlCore/VisualizationLibrary.hpp>
    00035 #include <vlCore/Log.hpp>
    00036 #include <algorithm>
    00037 #include <set>
    00038
    00039 using namespace vl;
    00040
    00041 //-----------------------------------------------------------------------------
    00042 // Transform
    00043 //-----------------------------------------------------------------------------
    00044 Transform::~Transform()
    00045 {
    00046 #if 0
    00047   if (!mChildren.empty())
    00048     Log::warning("Transform::~Transform(): a Transform with children is being destroyed! One or more Transforms will be orphaned.\n");
    00049 #endif
    00050
    00051   for(size_t i=0; i<mChildren.size(); ++i)
    00052   {
    00053     mChildren[i]->mParent = NULL;
    00054     mChildren[i]->setLocalMatrix( mChildren[i]->worldMatrix() );
    00055   }
    00056 }
    00057 //-----------------------------------------------------------------------------
    00058 void Transform::translate(real x, real y, real z)
    00059 {
    00060   setLocalMatrix( mat4::getTranslation(x,y,z)*localMatrix() );
    00061 }
    00062 //-----------------------------------------------------------------------------
    00063 void Transform::translate(const vec3& t)
    00064 {
    00065   setLocalMatrix( mat4::getTranslation(t)*localMatrix() );
    00066 }
    00067 //-----------------------------------------------------------------------------
    00068 void Transform::scale(real x, real y, real z)
    00069 {
    00070   setLocalMatrix( mat4::getScaling(x,y,z)*localMatrix() );
    00071 }
    00072 //-----------------------------------------------------------------------------
    00073 void Transform::rotate(real degrees, real x, real y, real z)
    00074 {
    00075   setLocalMatrix( mat4::getRotation(degrees,x,y,z)*localMatrix() );
    00076 }
    00077 //-----------------------------------------------------------------------------
    00078 void Transform::rotate(const vec3& from, const vec3& to)
    00079 {
    00080   setLocalMatrix( mat4::getRotation(from,to)*localMatrix() );
    00081 }
    00082 //-----------------------------------------------------------------------------
    00083 void Transform::preMultiply(const mat4& m)
    00084 {
    00085   setLocalMatrix( m*localMatrix() );
    00086 }
    00087 //-----------------------------------------------------------------------------
    00088 void Transform::postMultiply(const mat4& m)
    00089 {
    00090   setLocalMatrix( localMatrix()*m );
    00091 }
    00092 //-----------------------------------------------------------------------------

Visualization Library v2011.09.1162 Reference Documentation
Copyright 2005-2011 Michele Bosi. All rights reserved.
Updated on Thu Jan 26 2012 00:43:31.
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