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/**
* $Id$
* ***** BEGIN GPL/BL DUAL LICENSE BLOCK *****
*
* 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. The Blender
* Foundation also sells licenses for use in proprietary software under
* the Blender License. See http://www.blender.org/BL/ for information
* about this.
*
* 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*
* The Original Code is Copyright (C) 2001-2002 by NaN Holding BV.
* All rights reserved.
*
* The Original Code is: all of this file.
*
* Contributor(s): none yet.
*
* ***** END GPL/BL DUAL LICENSE BLOCK *****
*/
/*
* Copyright (c) 2000 Gino van den Bergen <gino@acm.org>
*
* Permission to use, copy, modify, distribute and sell this software
* and its documentation for any purpose is hereby granted without fee,
* provided that the above copyright notice appear in all copies and
* that both that copyright notice and this permission notice appear
* in supporting documentation. Gino van den Bergen makes no
* representations about the suitability of this software for any
* purpose. It is provided "as is" without express or implied warranty.
*
*/
#ifndef MT_VECTOR2_H
#define MT_VECTOR2_H
#include <MT_assert.h>
#include "MT_Tuple2.h"
class MT_Vector2 : public MT_Tuple2 {
public:
MT_Vector2() {}
MT_Vector2(const float *v) : MT_Tuple2(v) {}
MT_Vector2(const double *v) : MT_Tuple2(v) {}
MT_Vector2(MT_Scalar x, MT_Scalar y) : MT_Tuple2(x, y) {}
MT_Vector2& operator+=(const MT_Vector2& v);
MT_Vector2& operator-=(const MT_Vector2& v);
MT_Vector2& operator*=(MT_Scalar s);
MT_Vector2& operator/=(MT_Scalar s);
MT_Scalar dot(const MT_Vector2& v) const;
MT_Scalar length2() const;
MT_Scalar length() const;
MT_Vector2 absolute() const;
void normalize();
MT_Vector2 normalized() const;
void scale(MT_Scalar x, MT_Scalar y);
MT_Vector2 scaled(MT_Scalar x, MT_Scalar y) const;
bool fuzzyZero() const;
MT_Scalar angle(const MT_Vector2& v) const;
MT_Vector2 cross(const MT_Vector2& v) const;
MT_Scalar triple(const MT_Vector2& v1, const MT_Vector2& v2) const;
int closestAxis() const;
static MT_Vector2 random();
};
MT_Vector2 operator+(const MT_Vector2& v1, const MT_Vector2& v2);
MT_Vector2 operator-(const MT_Vector2& v1, const MT_Vector2& v2);
MT_Vector2 operator-(const MT_Vector2& v);
MT_Vector2 operator*(const MT_Vector2& v, MT_Scalar s);
MT_Vector2 operator*(MT_Scalar s, const MT_Vector2& v);
MT_Vector2 operator/(const MT_Vector2& v, MT_Scalar s);
MT_Scalar MT_dot(const MT_Vector2& v1, const MT_Vector2& v2);
MT_Scalar MT_length2(const MT_Vector2& v);
MT_Scalar MT_length(const MT_Vector2& v);
bool MT_fuzzyZero(const MT_Vector2& v);
bool MT_fuzzyEqual(const MT_Vector2& v1, const MT_Vector2& v2);
MT_Scalar MT_angle(const MT_Vector2& v1, const MT_Vector2& v2);
MT_Vector2 MT_cross(const MT_Vector2& v1, const MT_Vector2& v2);
MT_Scalar MT_triple(const MT_Vector2& v1, const MT_Vector2& v2,
const MT_Vector2& v3);
#ifdef GEN_INLINED
#include "MT_Vector2.inl"
#endif
#endif
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