SectionRotated.cpp

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/*=============================================================================
TexGen: Geometric textile modeller.
Copyright (C) 2006 Martin Sherburn
 
This program is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public License
as published by the Free Software Foundation; either version 2
of the License, or (at your option) any later version.
 
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
GNU General Public License for more details.
 
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
=============================================================================*/
 
#include "PrecompiledHeaders.h"
#include "SectionRotated.h"
 
using namespace TexGen;
CSectionRotated::CSectionRotated(const CSection &Section, double dAngle)
: m_dAngle(dAngle),m_pSection(Section)
{
    if ( m_pSection->GetType() == "CSectionRectangle" )
        m_pSectionMesh = CSectionMeshRectangleSection();
}
 
CSectionRotated::~CSectionRotated(void)
{
}
 
bool CSectionRotated::operator == (const CSection &CompareMe) const
{
    if (CompareMe.GetType() != GetType())
        return false;
    return m_dAngle == ((CSectionRotated*)&CompareMe)->m_dAngle &&
        *m_pSection == *((CSectionRotated*)&CompareMe)->m_pSection;
}
 
CSectionRotated::CSectionRotated(TiXmlElement &Element)
: CSection(Element)
{
    Element.Attribute("Angle", &m_dAngle);
    TiXmlElement* pSection = Element.FirstChildElement("Section");
    if (pSection)
        m_pSection = CreateSection(*pSection);
}
 
void CSectionRotated::PopulateTiXmlElement(TiXmlElement &Element, OUTPUT_TYPE OutputType) const
{
    CSection::PopulateTiXmlElement(Element, OutputType);
    Element.SetAttribute("Angle", stringify(m_dAngle));
    TiXmlElement Section("Section");
    m_pSection->PopulateTiXmlElement(Section, OutputType);
    Element.InsertEndChild(Section);
}
 
string CSectionRotated::GetDefaultName() const
{
    return "Rotated(" + m_pSection->GetDefaultName() + ",R:" + stringify(m_dAngle) + ")";
}
 
string CSectionRotated::GetBaseType() const
{
    return m_pSection->GetType();
}
 
XY CSectionRotated::GetPoint(double t) const
{
    XY Point = m_pSection->GetPoint(t);
    XY RotatedPoint;
    RotatedPoint.x = Point.x*cos(m_dAngle) - Point.y*sin(m_dAngle);
    RotatedPoint.y = Point.x*sin(m_dAngle) + Point.y*cos(m_dAngle);
    return RotatedPoint;
}