77 lines
2.1 KiB
Plaintext
77 lines
2.1 KiB
Plaintext
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/* -*-c++-*- */
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/* osgEarth - Geospatial SDK for OpenSceneGraph
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* Copyright 2020 Pelican Mapping
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* http://osgearth.org
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*
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* osgEarth is free software; you can redistribute it and/or modify
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* it under the terms of the GNU Lesser General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program 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
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* GNU 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 License
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* along with this program. If not, see <http://www.gnu.org/licenses/>
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*/
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#ifndef OSGEARTH_UTIL_LINE_OF_SIGHT_H
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#define OSGEARTH_UTIL_LINE_OF_SIGHT_H
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#include <osgEarth/Common>
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#include <osg/Group>
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namespace osgEarth { namespace Contrib
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{
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using namespace osgEarth;
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struct LineOfSight
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{
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/**
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* The line of sight display mode
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*/
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enum DisplayMode
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{
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/**
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* Split mode draws a line in the good color from the start of the line to the first hit, then a bad line from the hit to the end
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*/
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MODE_SPLIT,
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/**
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* Single mode draws a single line from start to end and colors it good or bad depending on whether there is line of sight or not.
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*/
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MODE_SINGLE
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};
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};
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/**
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* Base class for LOS node implementations
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*/
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class /* no export */ LineOfSightNode : public osg::Group
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{
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public:
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LineOfSightNode() { }
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virtual ~LineOfSightNode() { }
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};
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/**
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* Callback for LOS change notifications
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*/
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struct LOSChangedCallback : public osg::Referenced
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{
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public:
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virtual void onChanged() {};
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/** dtor */
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virtual ~LOSChangedCallback() { }
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};
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typedef std::list< osg::ref_ptr<LOSChangedCallback> > LOSChangedCallbackList;
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} } // namespace osgEarth::Util
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#endif // OSGEARTH_UTIL_LINE_OF_SIGHT_H
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