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Matrix44.cpp

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00001 //------------------------------------------------------------------------------
00002 // Lamp : Open source game middleware
00003 // Copyright (C) 2004  Junpei Ohtani ( Email : junpee@users.sourceforge.jp )
00004 //
00005 // This library is free software; you can redistribute it and/or
00006 // modify it under the terms of the GNU Lesser General Public
00007 // License as published by the Free Software Foundation; either
00008 // version 2.1 of the License, or (at your option) any later version.
00009 //
00010 // This library is distributed in the hope that it will be useful,
00011 // but WITHOUT ANY WARRANTY; without even the implied warranty of
00012 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
00013 // Lesser General Public License for more details.
00014 //
00015 // You should have received a copy of the GNU Lesser General Public
00016 // License along with this library; if not, write to the Free Software
00017 // Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
00018 //------------------------------------------------------------------------------
00019 
00020 /** @file
00021  * 4×4行列
00022  * @author Junpee
00023  */
00024 
00025 #include "LampBasic.h"
00026 #include "Core/Primitive/Matrix44.h"
00027 #include "Core/Primitive/Matrix33.h"
00028 #include "Core/Primitive/Matrix34.h"
00029 
00030 namespace Lamp{
00031 
00032 //------------------------------------------------------------------------------
00033 // 定数
00034 //------------------------------------------------------------------------------
00035 /// ゼロ行列
00036 const Matrix44 Matrix44::zero(
00037     0.f, 0.f, 0.f, 0.f,
00038     0.f, 0.f, 0.f, 0.f,
00039     0.f, 0.f, 0.f, 0.f,
00040     0.f, 0.f, 0.f, 0.f);
00041 
00042 /// 単位行列
00043 const Matrix44 Matrix44::unit(
00044     1.f, 0.f, 0.f, 0.f,
00045     0.f, 1.f, 0.f, 0.f,
00046     0.f, 0.f, 1.f, 0.f,
00047     0.f, 0.f, 0.f, 1.f);
00048 
00049 //------------------------------------------------------------------------------
00050 // 3×3行列の設定
00051 void Matrix44::set(const Matrix33& source){
00052     set(source.m00, source.m01, source.m02, 0.f,
00053         source.m10, source.m11, source.m12, 0.f,
00054         source.m20, source.m21, source.m22, 0.f,
00055         0.f, 0.f, 0.f, 1.f);
00056 }
00057 //------------------------------------------------------------------------------
00058 // 4×4行列の設定
00059 void Matrix44::set(const Matrix34& source){
00060     set(source.m00, source.m01, source.m02, source.m03,
00061         source.m10, source.m11, source.m12, source.m13,
00062         source.m20, source.m21, source.m22, source.m23,
00063         0.f, 0.f, 0.f, 1.f);
00064 }
00065 //------------------------------------------------------------------------------
00066 } // End of namespace Lamp
00067 //------------------------------------------------------------------------------

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