143 lines
3.2 KiB
C++
143 lines
3.2 KiB
C++
/*
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* Copyright (C) 2000 Ove Kaaven
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
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*/
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#ifndef __WINE_D3DVEC_INL
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#define __WINE_D3DVEC_INL
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#include <math.h>
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/*** constructors ***/
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inline _D3DVECTOR::_D3DVECTOR(D3DVALUE f)
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{
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x = y = z = f;
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}
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inline _D3DVECTOR::_D3DVECTOR(D3DVALUE _x, D3DVALUE _y, D3DVALUE _z)
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{
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x = _x; y = _y; z = _z;
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}
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/*** assignment operators ***/
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inline _D3DVECTOR& _D3DVECTOR::operator += (const _D3DVECTOR& v)
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{
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x += v.x; y += v.y; z += v.z;
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return *this;
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}
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inline _D3DVECTOR& _D3DVECTOR::operator -= (const _D3DVECTOR& v)
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{
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x -= v.x; y -= v.y; z -= v.z;
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return *this;
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}
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inline _D3DVECTOR& _D3DVECTOR::operator *= (const _D3DVECTOR& v)
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{
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x *= v.x; y *= v.y; z *= v.z;
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return *this;
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}
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inline _D3DVECTOR& _D3DVECTOR::operator /= (const _D3DVECTOR& v)
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{
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x /= v.x; y /= v.y; z /= v.z;
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return *this;
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}
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inline _D3DVECTOR& _D3DVECTOR::operator *= (D3DVALUE s)
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{
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x *= s; y *= s; z *= s;
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return *this;
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}
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inline _D3DVECTOR& _D3DVECTOR::operator /= (D3DVALUE s)
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{
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x /= s; y /= s; z /= s;
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return *this;
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}
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/*** unary operators ***/
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inline _D3DVECTOR operator + (const _D3DVECTOR& v)
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{
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return v;
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}
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inline _D3DVECTOR operator - (const _D3DVECTOR& v)
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{
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return _D3DVECTOR(-v.x, -v.y, -v.z);
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}
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/*** binary operators ***/
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inline _D3DVECTOR operator + (const _D3DVECTOR& v1, const _D3DVECTOR& v2)
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{
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return _D3DVECTOR(v1.x+v2.x, v1.y+v2.y, v1.z+v2.z);
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}
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inline _D3DVECTOR operator - (const _D3DVECTOR& v1, const _D3DVECTOR& v2)
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{
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return _D3DVECTOR(v1.x-v2.x, v1.y-v2.y, v1.z-v2.z);
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}
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inline _D3DVECTOR operator * (const _D3DVECTOR& v, D3DVALUE s)
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{
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return _D3DVECTOR(v.x*s, v.y*s, v.z*s);
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}
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inline _D3DVECTOR operator * (D3DVALUE s, const _D3DVECTOR& v)
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{
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return _D3DVECTOR(v.x*s, v.y*s, v.z*s);
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}
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inline _D3DVECTOR operator / (const _D3DVECTOR& v, D3DVALUE s)
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{
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return _D3DVECTOR(v.x/s, v.y/s, v.z/s);
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}
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inline D3DVALUE SquareMagnitude(const _D3DVECTOR& v)
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{
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return v.x*v.x + v.y*v.y + v.z*v.z; /* DotProduct(v, v) */
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}
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inline D3DVALUE Magnitude(const _D3DVECTOR& v)
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{
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return sqrt(SquareMagnitude(v));
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}
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inline _D3DVECTOR Normalize(const _D3DVECTOR& v)
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{
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return v / Magnitude(v);
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}
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inline D3DVALUE DotProduct(const _D3DVECTOR& v1, const _D3DVECTOR& v2)
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{
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return v1.x*v2.x + v1.y*v2.y + v1.z*v2.z;
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}
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inline _D3DVECTOR CrossProduct(const _D3DVECTOR& v1, const _D3DVECTOR& v2)
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{
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_D3DVECTOR res;
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/* this is a left-handed cross product, right? */
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res.x = v1.y * v2.z - v1.z * v2.y;
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res.y = v1.z * v2.x - v1.x * v2.z;
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res.z = v1.x * v2.y - v1.y * v2.x;
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return res;
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}
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#endif
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