mgclinefit.h

来自「《3D游戏引擎设计》的源码」· C头文件 代码 · 共 37 行

// Magic Software, Inc.
// http://www.magic-software.com
// Copyright (c) 2000, All Rights Reserved
//
// Source code from Magic Software is supplied under the terms of a license
// agreement and may not be copied or disclosed except in accordance with the
// terms of that agreement.  The various license agreements may be found at
// the Magic Software web site.  This file is subject to the license
//
// FREE SOURCE CODE
// http://www.magic-software.com/License/free.pdf

#ifndef MGCLINEFIT_H
#define MGCLINEFIT_H

#include "MgcVector2.h"
#include "MgcVector3.h"

// Least-squares fit of a set of points.

void MgcOrthogonalLineFit (int iQuantity, const MgcVector2* akPoint,
    MgcVector2& rkOffset, MgcVector2& rkDirection);

void MgcOrthogonalLineFit (int iQuantity, const MgcVector3* akPoint,
    MgcVector3& rkOffset, MgcVector3& rkDirection);

// These two functions allow for selection of vertices from a pool.  The
// return value is 'true' if and only if at least one vertex is valid.

bool MgcOrthogonalLineFit (int iQuantity, const MgcVector2* akPoint,
    const bool* abValid, MgcVector2& rkOffset, MgcVector2& rkDirection);

bool MgcOrthogonalLineFit (int iQuantity, const MgcVector3* akPoint,
    const bool* abValid, MgcVector3& rkOffset, MgcVector3& rkDirection);

#endif