FGFS-4.1/OpenSceneGraph
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Added pathway in code for override the colour of the wireframe scribe

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This commit is contained in:
Robert Osfield 2004-04-22 08:04:34 +00:00
parent 77f9a4d083
commit b8a68204c0
1 changed files with 18 additions and 2 deletions
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20
examples/osgscribe/osgscribe.cpp
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@ -84,16 +84,32 @@ int main( int argc, char **argv )
// is added to ensure that we see the wireframe itself, and turn off
// so texturing too.
osg::StateSet* stateset = new osg::StateSet;
osg::Material* material = new osg::Material;
osg::PolygonOffset* polyoffset = new osg::PolygonOffset;
polyoffset->setFactor(-1.0f);
polyoffset->setUnits(-1.0f);
osg::PolygonMode* polymode = new osg::PolygonMode;
polymode->setMode(osg::PolygonMode::FRONT_AND_BACK,osg::PolygonMode::LINE);
stateset->setAttributeAndModes(material,osg::StateAttribute::OVERRIDE|osg::StateAttribute::ON);
stateset->setAttributeAndModes(polyoffset,osg::StateAttribute::OVERRIDE|osg::StateAttribute::ON);
stateset->setAttributeAndModes(polymode,osg::StateAttribute::OVERRIDE|osg::StateAttribute::ON);
#if 1
osg::Material* material = new osg::Material;
stateset->setAttributeAndModes(material,osg::StateAttribute::OVERRIDE|osg::StateAttribute::ON);
stateset->setMode(GL_LIGHTING,osg::StateAttribute::OVERRIDE|osg::StateAttribute::OFF);
#else
// version which sets the color of the wireframe.
osg::Material* material = new osg::Material;
material->setColorMode(osg::Material::OFF); // switch glColor usage off
// turn all lighting off
material->setAmbient(osg::Material::FRONT_AND_BACK, osg::Vec4(0.0,0.0f,0.0f,1.0f));
material->setDiffuse(osg::Material::FRONT_AND_BACK, osg::Vec4(0.0,0.0f,0.0f,1.0f));
material->setSpecular(osg::Material::FRONT_AND_BACK, osg::Vec4(0.0,0.0f,0.0f,1.0f));
// except emission... in which we set the color we desire
material->setEmission(osg::Material::FRONT_AND_BACK, osg::Vec4(0.0,1.0f,0.0f,1.0f));
stateset->setAttributeAndModes(material,osg::StateAttribute::OVERRIDE|osg::StateAttribute::ON);
stateset->setMode(GL_LIGHTING,osg::StateAttribute::OVERRIDE|osg::StateAttribute::ON);
#endif
stateset->setTextureMode(0,GL_TEXTURE_2D,osg::StateAttribute::OVERRIDE|osg::StateAttribute::OFF);
// osg::LineStipple* linestipple = new osg::LineStipple;