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A lightweight C++ OpenGL middleware for 2D/3D graphics
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00001 /**************************************************************************************/
00002 /*                                                                                    */
00003 /*  Visualization Library                                                             */
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00005 /*                                                                                    */
00006 /*  Copyright (c) 2005-2010, Michele Bosi                                             */
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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 2011.09.1160 Reference Documentation
Copyright 2005-2011 Michele Bosi. All rights reserved.
Updated on Thu May 2 2013 13:40:32.
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