From Paul Martz, added --points option for forcing points rendering of polygonal models
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@ -24,6 +24,7 @@
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#include <osg/BlendFunc>
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#include <osg/Texture2D>
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#include <osg/PointSprite>
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#include <osg/PolygonMode>
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#include <iostream>
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@ -115,7 +116,8 @@ int main( int argc, char **argv )
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arguments.getApplicationUsage()->setCommandLineUsage(arguments.getApplicationName()+" [options] filename ...");
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arguments.getApplicationUsage()->addCommandLineOption("-h or --help","Display this information");
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arguments.getApplicationUsage()->addCommandLineOption("--sprites","Point sprites.");
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arguments.getApplicationUsage()->addCommandLineOption("--points","Sets the polygon mode to GL_POINT for front and back faces.");
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// construct the viewer.
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osgViewer::Viewer viewer;
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@ -133,6 +135,9 @@ int main( int argc, char **argv )
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bool usePointSprites = false;
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while (arguments.read("--sprites")) { usePointSprites = true; };
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bool forcePointMode = false;
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while (arguments.read("--points")) { forcePointMode = true; };
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if (arguments.argc()<=1)
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{
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arguments.getApplicationUsage()->write(std::cout,osg::ApplicationUsage::COMMAND_LINE_OPTION);
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@ -158,10 +163,9 @@ int main( int argc, char **argv )
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viewer.setSceneData(loadedModel.get());
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osg::StateSet* stateset = loadedModel->getOrCreateStateSet();
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if (usePointSprites)
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{
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osg::StateSet* stateset = loadedModel->getOrCreateStateSet();
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/// Setup cool blending
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osg::BlendFunc *fn = new osg::BlendFunc();
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stateset->setAttributeAndModes(fn, osg::StateAttribute::ON);
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@ -175,6 +179,14 @@ int main( int argc, char **argv )
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tex->setImage(osgDB::readImageFile("Images/particle.rgb"));
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stateset->setTextureAttributeAndModes(0, tex, osg::StateAttribute::ON);
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}
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if( forcePointMode )
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{
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/// Set polygon mode to GL_POINT
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osg::PolygonMode *pm = new osg::PolygonMode(
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osg::PolygonMode::FRONT_AND_BACK, osg::PolygonMode::POINT );
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stateset->setAttributeAndModes( pm, osg::StateAttribute::ON | osg::StateAttribute::OVERRIDE);
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}
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// register the handler for modifying the point size
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