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Basic Curves And Surfaces Modeler

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18 Apr 2012CPOL3 min read 248.1K   16.4K   117  
A basic demo of modeling curves and surfaces in OpenGL.
// OffsetSurface.cpp: implementation of the COffsetSurface class.
//
//////////////////////////////////////////////////////////////////////

#if HAVE_CONFIG_H
#  include <config.h>
#endif

#include "stdafx.h"

#include "OffsetSurface.h"

//////////////////////////////////////////////////////////////////////
// Construction/Destruction
//////////////////////////////////////////////////////////////////////

COffsetSurface::COffsetSurface(const CSurface& pSurf, const double& Offset, bool Sense) : itsOffset(Offset), dirSense(Sense)
{
	pSurface = pSurf.Copy();
}

COffsetSurface::~COffsetSurface()
{
	if(pSurface)
		delete pSurface;
}

CPoint3D COffsetSurface::PointAtPara(const double uPar, const double vPar)
{
	CVector3D V = pSurface->NormalAt(uPar, vPar);
	V.Normalize();
	if(!dirSense)
		V = V * -1.0;
	CPoint3D P = pSurface->PointAtPara(uPar, vPar);
	P = P+V*itsOffset;
	return P;
}

CVector3D COffsetSurface::NormalAt(const double uPar, const double vPar)
{
	CVector3D V = pSurface->NormalAt(uPar, vPar);
	return V;
}

double COffsetSurface::FirstUParameter() const
{
	return pSurface->FirstUParameter();
}

double COffsetSurface::LastUParameter() const
{
	return pSurface->LastUParameter();
}

double COffsetSurface::FirstVParameter() const
{
	return pSurface->FirstVParameter();
}

double COffsetSurface::LastVParameter() const
{
	return pSurface->LastVParameter();
}

bool COffsetSurface::IsUClosed() const
{
	return pSurface->IsUClosed();
}

bool COffsetSurface::IsVClosed() const
{
	return pSurface->IsVClosed();
}

SurfaceType COffsetSurface::Type() const
{
	return OFFSET;
}

bool COffsetSurface::IsOfType(const SurfaceType& O) const
{
	bool b = (O == OFFSET);
	return b;
}

CSurface* COffsetSurface::Copy() const
{
	COffsetSurface* S = new COffsetSurface(*pSurface, itsOffset, dirSense);
	return S;
}

void COffsetSurface::Translate(double dx, double dy, double dz)
{
    pSurface->Translate(dx, dy, dz);
}

void COffsetSurface::Translate(const CVector3D& V)
{
    pSurface->Translate(V);
}

void COffsetSurface::Translate(const CPoint3D& fro, const CPoint3D& to)
{
    pSurface->Translate(fro, to);
}

void COffsetSurface::Rotate(const COneAxis& axis, double angle)
{
    pSurface->Rotate(axis, angle);
}

void COffsetSurface::Scale(const CPoint3D& P, double fact)
{
    pSurface->Scale(P, fact);
}

void COffsetSurface::Mirror(const CPoint3D& point)
{
    pSurface->Mirror(point);
}

void COffsetSurface::Mirror(const COneAxis& axis)
{
    pSurface->Mirror(axis);
}

void COffsetSurface::Mirror(const CPlane& plane)
{
    pSurface->Mirror(plane);
}

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License

This article, along with any associated source code and files, is licensed under The Code Project Open License (CPOL)


Written By
Product Manager Mahindra & Mahindra
India India
Sharjith is a Mechanical Engineer with strong passion for Automobiles, Aircrafts and Software development.

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