74 lines
2.2 KiB
C++

/*
** Command & Conquer Generals(tm)
** Copyright 2025 Electronic Arts Inc.
**
** 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 3 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, see <http://www.gnu.org/licenses/>.
*/
////////////////////////////////////////////////////////////////////////////////
// //
// (c) 2001-2003 Electronic Arts Inc. //
// //
////////////////////////////////////////////////////////////////////////////////
// BezierSegment.h ////////////////////////////////////////////////////////////////////////////////
// John K McDonald, Jr.
// September 2002
// DO NOT DISTRIBUTE
#pragma once
#ifndef __BEZIERSEGMENT_H__
#define __BEZIERSEGMENT_H__
#include <D3DX8Math.h>
#include "Common/STLTypeDefs.h"
#define USUAL_TOLERANCE 1.0f
class BezierSegment
{
protected:
static const D3DXMATRIX s_bezBasisMatrix;
Coord3D m_controlPoints[4];
public: // Constructors
BezierSegment();
BezierSegment(Real x0, Real y0, Real z0,
Real x1, Real y1, Real z1,
Real x2, Real y2, Real z2,
Real x3, Real y3, Real z3);
BezierSegment(Real cp[16]);
BezierSegment(const Coord3D& cp0,
const Coord3D& cp1,
const Coord3D& cp2,
const Coord3D& cp3);
BezierSegment(Coord3D cp[4]);
public:
void evaluateBezSegmentAtT(Real tValue, Coord3D *outResult) const;
void getSegmentPoints(Int numSegments, VecCoord3D *outResult) const;
Real getApproximateLength(Real withinTolerance = USUAL_TOLERANCE) const;
void splitSegmentAtT(Real tValue, BezierSegment &outSeg1, BezierSegment &outSeg2) const;
public: // He get's friendly access.
friend class BezFwdIterator;
};
#endif /* __BEZIERSEGMENT_H__ */