/home/master/UCL/VisualizationLibrary/src/vlCore/Transform.cpp

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/*  Visualization Library                                                             */
/*  http://visualizationlibrary.org                                                   */
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/*  Copyright (c) 2005-2010, Michele Bosi                                             */
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#include <vlCore/Transform.hpp>
#include <vlCore/GlobalSettings.hpp>
#include <vlCore/VisualizationLibrary.hpp>
#include <vlCore/Log.hpp>
#include <algorithm>
#include <set>

using namespace vl;

//-----------------------------------------------------------------------------
// Transform
//-----------------------------------------------------------------------------
Transform::~Transform()
{
#if 0
  if (!mChildren.empty())
    Log::warning("Transform::~Transform(): a Transform with children is being destroyed! One or more Transforms will be orphaned.\n");
#endif 

  for(size_t i=0; i<mChildren.size(); ++i)
  {
    mChildren[i]->mParent = NULL;
    mChildren[i]->setLocalMatrix( mChildren[i]->worldMatrix() );
  }
}
//-----------------------------------------------------------------------------
void Transform::translate(real x, real y, real z)
{
  setLocalMatrix( mat4::getTranslation(x,y,z)*localMatrix() );
}
//-----------------------------------------------------------------------------
void Transform::translate(const vec3& t)
{
  setLocalMatrix( mat4::getTranslation(t)*localMatrix() );
}
//-----------------------------------------------------------------------------
void Transform::scale(real x, real y, real z)
{
  setLocalMatrix( mat4::getScaling(x,y,z)*localMatrix() );
}
//-----------------------------------------------------------------------------
void Transform::rotate(real degrees, real x, real y, real z)
{
  setLocalMatrix( mat4::getRotation(degrees,x,y,z)*localMatrix() );
}
//-----------------------------------------------------------------------------
void Transform::rotate(const vec3& from, const vec3& to)
{
  setLocalMatrix( mat4::getRotation(from,to)*localMatrix() );
}
//-----------------------------------------------------------------------------
void Transform::preMultiply(const mat4& m)
{
  setLocalMatrix( m*localMatrix() );
}
//-----------------------------------------------------------------------------
void Transform::postMultiply(const mat4& m)
{
  setLocalMatrix( localMatrix()*m );
}
//-----------------------------------------------------------------------------