include/d3dx8math.h

   1 /*
   2  * Copyright (C) 2007 David Adam
   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., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
  17  */
  18
  19 #include <d3dx8.h>
  20
  21 #ifndef __D3DX8MATH_H__
  22 #define __D3DX8MATH_H__
  23
  24 #include <math.h>
  25
  26 #define D3DX_PI    ((FLOAT)3.141592654)
  27 #define D3DX_1BYPI ((FLOAT)0.318309886)
  28
  29 #define D3DXToRadian(degree) ((degree) * (D3DX_PI / 180.0f))
  30 #define D3DXToDegree(radian) ((radian) * (180.0f / D3DX_PI))
  31
  32 typedef struct D3DXVECTOR2
  33 {
  34     FLOAT x, y;
  35 } D3DXVECTOR2, *LPD3DXVECTOR2;
  36
  37 typedef struct _D3DVECTOR D3DXVECTOR3, *LPD3DXVECTOR3;
  38
  39 typedef struct D3DXVECTOR4
  40 {
  41     FLOAT x, y, z, w;
  42 } D3DXVECTOR4, *LPD3DXVECTOR4;
  43
  44 typedef struct _D3DMATRIX D3DXMATRIX, *LPD3DXMATRIX;
  45
  46 typedef struct D3DXQUATERNION
  47 {
  48     FLOAT x, y, z, w;
  49 } D3DXQUATERNION, *LPD3DXQUATERNION;
  50
  51 typedef struct D3DXPLANE
  52 {
  53     FLOAT a, b, c, d;
  54 } D3DXPLANE, *LPD3DXPLANE;
  55
  56 typedef struct D3DXCOLOR
  57 {
  58     FLOAT r, g, b, a;
  59 } D3DXCOLOR, *LPD3DXCOLOR;
  60
  61 #endif /* __D3DX8MATH_H__ */