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 * ディレクショナルライト実装 00022 * @author Junpee 00023 */ 00024 00025 #include "LampBasic.h" 00026 #include "Graphics/Light/DirectionalLight.h" 00027 #include "Graphics/Scene/Scene.h" 00028 #include "Graphics/Light/LightManager.h" 00029 00030 namespace Lamp{ 00031 00032 //------------------------------------------------------------------------------ 00033 // コンストラクタ 00034 DirectionalLight::DirectionalLight(const String& name, Scene* scene) : 00035 GlobalLight(name, scene), diffuseColor_(Color3f::white), 00036 specularColor_(Color3f::white), direction_(0.f, -1.f, 0.f), 00037 worldDirection_(0.f, -1.f, 0.f){ 00038 } 00039 //------------------------------------------------------------------------------ 00040 // デストラクタ 00041 DirectionalLight::~DirectionalLight(){ 00042 } 00043 //------------------------------------------------------------------------------ 00044 // ディレクショナルライトのコピー 00045 DirectionalLight* DirectionalLight::copyDirectionalLight() const{ 00046 LightManager* manager = scene_->getLightManager(); 00047 DirectionalLight* copyLight = 00048 manager->createDirectionalLight(manager->rename(name_)); 00049 // ライトの値コピー 00050 copyLightValue(copyLight); 00051 // メンバのコピー 00052 copyLight->setDiffuseColor(diffuseColor_); 00053 copyLight->setSpecularColor(specularColor_); 00054 copyLight->setDirection(direction_); 00055 return copyLight; 00056 } 00057 //------------------------------------------------------------------------------ 00058 // 走査 00059 void DirectionalLight::traverse(const Matrix34& parentMatrix, 00060 bool parentEnabled, bool parentScaled, bool parentChanged){ 00061 Light::traverse(parentMatrix, parentEnabled, parentScaled, parentChanged); 00062 // ワールドの方向算出 00063 worldDirection_ = parentMatrix.multiply33(direction_); 00064 // ライトに対するスケールの判断微妙。Assert(false);で止めたほうがいいかも 00065 if(parentScaled){ worldDirection_.normalize(); } 00066 Assert(worldDirection_.isUnit()); 00067 } 00068 //------------------------------------------------------------------------------ 00069 } // End of namespace Lamp 00070 //------------------------------------------------------------------------------