00001 #ifndef GSGL_SCENEGRAPH_LIGHT_H 00002 #define GSGL_SCENEGRAPH_LIGHT_H 00003 00004 // 00005 // $Id: light.hpp 2 2008-03-01 20:58:50Z kulibali $ 00006 // 00007 // Copyright (c) 2008, The Periapsis Project. All rights reserved. 00008 // 00009 // Redistribution and use in source and binary forms, with or without 00010 // modification, are permitted provided that the following conditions are 00011 // met: 00012 // 00013 // * Redistributions of source code must retain the above copyright notice, 00014 // this list of conditions and the following disclaimer. 00015 // 00016 // * Redistributions in binary form must reproduce the above copyright 00017 // notice, this list of conditions and the following disclaimer in the 00018 // documentation and/or other materials provided with the distribution. 00019 // 00020 // * Neither the name of the The Periapsis Project nor the names of its 00021 // contributors may be used to endorse or promote products derived from 00022 // this software without specific prior written permission. 00023 // 00024 // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS 00025 // IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 00026 // TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A 00027 // PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER 00028 // OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, 00029 // EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, 00030 // PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR 00031 // PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF 00032 // LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING 00033 // NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS 00034 // SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 00035 // 00036 00037 #include "scenegraph/scenegraph.hpp" 00038 #include "scenegraph/node.hpp" 00039 #include "platform/color.hpp" 00040 00041 namespace gsgl 00042 { 00043 00044 namespace scenegraph 00045 { 00046 00047 /// A point light. 00048 class SCENEGRAPH_API light 00049 : public node 00050 { 00051 platform::color ambient, diffuse, specular; 00052 gsgl::real_t attenuation_constant, attenuation_linear, attenuation_quadratic; 00053 00054 public: 00055 light(node *parent); 00056 virtual ~light(); 00057 00058 platform::color & get_ambient() { return ambient; } 00059 platform::color & get_diffuse() { return diffuse; } 00060 platform::color & get_specular() { return specular; } 00061 00062 gsgl::real_t & get_attenuation_constant() { return attenuation_constant; } 00063 gsgl::real_t & get_attenuation_linear() { return attenuation_linear; } 00064 gsgl::real_t & get_attenuation_quadratic() { return attenuation_quadratic; } 00065 00066 virtual void bind(int light_number); 00067 }; // class light 00068 00069 } // namespace scenegraph 00070 00071 } // namespace gsgl 00072 00073 #endif
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