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goma / wine / 137eed8d9b1a39f2355770475147e59708bbb51e / . / include / d3dvec.inl
blob: 9b4c53f4b093b7c14f111bb7f353f340e983071d [file] [log] [blame]
Alexandre Julliard0799c1a2002-03-09 23:29:33 +0000[diff] [blame]1/*
2 * Copyright (C) 2000 Ove Kaaven
3 *
4 * This library is free software; you can redistribute it and/or
5 * modify it under the terms of the GNU Lesser General Public
6 * License as published by the Free Software Foundation; either
7 * version 2.1 of the License, or (at your option) any later version.
8 *
9 * This library is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12 * Lesser General Public License for more details.
13 *
14 * You should have received a copy of the GNU Lesser General Public
15 * License along with this library; if not, write to the Free Software
16 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
17 */
18
Ove Kaavenfddc3e12000-07-23 14:19:19 +0000[diff] [blame]19#ifndef __WINE_D3DVEC_INL
20#define __WINE_D3DVEC_INL
21
22/*** constructors ***/
23
24inline _D3DVECTOR::_D3DVECTOR(D3DVALUE f)
25{
26 x = y = z = f;
27}
28
29inline _D3DVECTOR::_D3DVECTOR(D3DVALUE _x, D3DVALUE _y, D3DVALUE _z)
30{
31 x = _x; y = _y; z = _z;
32}
33
34/*** assignment operators ***/
35
36inline _D3DVECTOR& _D3DVECTOR::operator += (const _D3DVECTOR& v)
37{
38 x += v.x; y += v.y; z += v.z;
39 return *this;
40}
41
42inline _D3DVECTOR& _D3DVECTOR::operator -= (const _D3DVECTOR& v)
43{
44 x -= v.x; y -= v.y; z -= v.z;
45 return *this;
46}
47
48inline _D3DVECTOR& _D3DVECTOR::operator *= (const _D3DVECTOR& v)
49{
50 x *= v.x; y *= v.y; z *= v.z;
51 return *this;
52}
53
54inline _D3DVECTOR& _D3DVECTOR::operator /= (const _D3DVECTOR& v)
55{
56 x /= v.x; y /= v.y; z /= v.z;
57 return *this;
58}
59
60inline _D3DVECTOR& _D3DVECTOR::operator *= (D3DVALUE s)
61{
62 x *= s; y *= s; z *= s;
63 return *this;
64}
65
66inline _D3DVECTOR& _D3DVECTOR::operator /= (D3DVALUE s)
67{
68 x /= s; y /= s; z /= s;
69 return *this;
70}
71
Ove Kaavena9ea8572001-04-16 19:02:22 +0000[diff] [blame]72/*** unary operators ***/
73
74inline _D3DVECTOR operator + (const _D3DVECTOR& v)
75{
76 return v;
77}
78
79inline _D3DVECTOR operator - (const _D3DVECTOR& v)
80{
81 return _D3DVECTOR(-v.x, -v.y, -v.z);
82}
83
Ove Kaavenfddc3e12000-07-23 14:19:19 +0000[diff] [blame]84/*** binary operators ***/
85
86inline _D3DVECTOR operator + (const _D3DVECTOR& v1, const _D3DVECTOR& v2)
87{
88 return _D3DVECTOR(v1.x+v2.x, v1.y+v2.y, v1.z+v2.z);
89}
90
91inline _D3DVECTOR operator - (const _D3DVECTOR& v1, const _D3DVECTOR& v2)
92{
93 return _D3DVECTOR(v1.x-v2.x, v1.y-v2.y, v1.z-v2.z);
94}
95
96inline _D3DVECTOR operator * (const _D3DVECTOR& v, D3DVALUE s)
97{
98 return _D3DVECTOR(v.x*s, v.y*s, v.z*s);
99}
100
101inline _D3DVECTOR operator * (D3DVALUE s, const _D3DVECTOR& v)
102{
103 return _D3DVECTOR(v.x*s, v.y*s, v.z*s);
104}
105
106inline _D3DVECTOR operator / (const _D3DVECTOR& v, D3DVALUE s)
107{
108 return _D3DVECTOR(v.x/s, v.y/s, v.z/s);
109}
110
111inline D3DVALUE SquareMagnitude(const _D3DVECTOR& v)
112{
113 return v.x*v.x + v.y*v.y + v.z*v.z; /* DotProduct(v, v) */
114}
115
116inline D3DVALUE Magnitude(const _D3DVECTOR& v)
117{
118 return sqrt(SquareMagnitude(v));
119}
120
121inline _D3DVECTOR Normalize(const _D3DVECTOR& v)
122{
123 return v / Magnitude(v);
124}
125
126inline D3DVALUE DotProduct(const _D3DVECTOR& v1, const _D3DVECTOR& v2)
127{
128 return v1.x*v2.x + v1.y*v2.y + v1.z*v2.z;
129}
130
131inline _D3DVECTOR CrossProduct(const _D3DVECTOR& v1, const _D3DVECTOR& v2)
132{
133 _D3DVECTOR res;
134 /* this is a left-handed cross product, right? */
135 res.x = v1.y * v2.z - v1.z * v2.y;
136 res.y = v1.z * v2.x - v1.x * v2.z;
137 res.z = v1.x * v2.y - v1.y * v2.x;
138 return res;
139}
140
141#endif