64 lines
1.6 KiB
C
64 lines
1.6 KiB
C
/*
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* Copyright (C) 2007 David Adam
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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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#include <d3dx8.h>
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#ifndef __D3DX8MATH_H__
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#define __D3DX8MATH_H__
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#include <math.h>
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#define D3DX_PI ((FLOAT)3.141592654)
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#define D3DX_1BYPI ((FLOAT)0.318309886)
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#define D3DXToRadian(degree) ((degree) * (D3DX_PI / 180.0f))
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#define D3DXToDegree(radian) ((radian) * (180.0f / D3DX_PI))
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typedef struct D3DXVECTOR2
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{
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FLOAT x, y;
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} D3DXVECTOR2, *LPD3DXVECTOR2;
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typedef struct _D3DVECTOR D3DXVECTOR3, *LPD3DXVECTOR3;
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typedef struct D3DXVECTOR4
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{
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FLOAT x, y, z, w;
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} D3DXVECTOR4, *LPD3DXVECTOR4;
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typedef struct _D3DMATRIX D3DXMATRIX, *LPD3DXMATRIX;
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typedef struct D3DXQUATERNION
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{
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FLOAT x, y, z, w;
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} D3DXQUATERNION, *LPD3DXQUATERNION;
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typedef struct D3DXPLANE
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{
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FLOAT a, b, c, d;
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} D3DXPLANE, *LPD3DXPLANE;
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typedef struct D3DXCOLOR
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{
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FLOAT r, g, b, a;
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} D3DXCOLOR, *LPD3DXCOLOR;
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FLOAT D3DXVec2Length(CONST D3DXVECTOR2 *pv);
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#endif /* __D3DX8MATH_H__ */
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