00001 // 00002 // $Id: orbital_frame.cpp 2 2008-03-01 20:58:50Z kulibali $ 00003 // 00004 // Copyright (c) 2008, The Periapsis Project. All rights reserved. 00005 // 00006 // Redistribution and use in source and binary forms, with or without 00007 // modification, are permitted provided that the following conditions are 00008 // met: 00009 // 00010 // * Redistributions of source code must retain the above copyright notice, 00011 // this list of conditions and the following disclaimer. 00012 // 00013 // * Redistributions in binary form must reproduce the above copyright 00014 // notice, this list of conditions and the following disclaimer in the 00015 // documentation and/or other materials provided with the distribution. 00016 // 00017 // * Neither the name of the The Periapsis Project nor the names of its 00018 // contributors may be used to endorse or promote products derived from 00019 // this software without specific prior written permission. 00020 // 00021 // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS 00022 // IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 00023 // TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A 00024 // PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER 00025 // OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, 00026 // EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, 00027 // PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR 00028 // PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF 00029 // LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING 00030 // NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS 00031 // SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 00032 // 00033 00034 #include "orbital_frame.hpp" 00035 #include "data/broker.hpp" 00036 #include "math/units.hpp" 00037 #include "scenegraph/utils.hpp" 00038 00039 00040 using namespace gsgl; 00041 using namespace gsgl::data; 00042 using namespace gsgl::math; 00043 using namespace gsgl::scenegraph; 00044 using namespace gsgl::physics; 00045 00046 00047 namespace periapsis 00048 { 00049 00050 namespace space 00051 { 00052 00053 orbital_frame::orbital_frame(const config_record & obj_config) 00054 : physics_frame(obj_config), prop(0) 00055 { 00056 if (!obj_config[L"propagator"].is_empty()) 00057 { 00058 prop = dynamic_cast<propagator *>(broker::global_instance()->create_object(obj_config[L"propagator"], obj_config)); 00059 00060 if (!prop) 00061 throw runtime_exception(L"Unable to create propagator %ls", obj_config[L"propagator"].w_string()); 00062 } 00063 } // orbital_frame::~orbital_frame() 00064 00065 00066 orbital_frame::~orbital_frame() 00067 { 00068 delete prop; 00069 } // orbital_frame::~orbital_frame() 00070 00071 00072 // 00073 00074 void orbital_frame::init(context *c) 00075 { 00076 if (prop) 00077 prop->update(c->julian_cur, get_translation(), get_linear_velocity()); 00078 00079 assert(get_angular_velocity().mag() == 0); 00080 } // orbital_frame::init() 00081 00082 00083 void orbital_frame::update(context *c) 00084 { 00085 if (prop) 00086 prop->update(c->julian_cur, get_translation(), get_linear_velocity()); 00087 00088 assert(get_angular_velocity().mag() == 0); 00089 } // orbital_frame::update() 00090 00091 00092 } // namespace space 00093 00094 } // namespace periapsis
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