FGFS-4.1/OpenSceneGraph
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Added translucent version of cushion which isn't depth tested to enable one to see the cursor even when it's behind other objects

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Robert Osfield
2013-08-08 17:21:20 +00:00
parent 82401defc7
commit 93ebfd6217
1 changed files with 31 additions and 10 deletions
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41
src/osgPresentation/Cursor.cpp
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@@ -74,24 +74,45 @@ void Cursor::initializeCursor()
_transform->setAutoRotateMode(osg::AutoTransform::ROTATE_TO_CAMERA);
_transform->setAutoScaleToScreen(true);
osg::Geode* geode = new osg::Geode;
osg::ref_ptr<osg::Geode> geode = new osg::Geode;
osg::Geometry* geom = osg::createTexturedQuadGeometry(osg::Vec3(-_size*0.5f,-_size*0.5f,0.0f),osg::Vec3(_size,0.0f,0.0f),osg::Vec3(0.0f,_size,0.0f));
geom->getOrCreateStateSet()->setMode(GL_LIGHTING, osg::StateAttribute::OFF);
osg::Image* image = osgDB::readImageFile(osgDB::findDataFile(_filename));
if (image)
osg::ref_ptr<osg::Image> image = osgDB::readImageFile(osgDB::findDataFile(_filename));
osg::ref_ptr<osg::Texture2D> texture = (image.valid()) ? new osg::Texture2D(image) : 0;
// full cursor
{
osg::ref_ptr<osg::Geometry> geom = osg::createTexturedQuadGeometry(osg::Vec3(-_size*0.5f,-_size*0.5f,0.0f),osg::Vec3(_size,0.0f,0.0f),osg::Vec3(0.0f,_size,0.0f));
geode->addDrawable(geom.get());
osg::StateSet* stateset = geom->getOrCreateStateSet();
stateset->setTextureAttributeAndModes(0, new osg::Texture2D(image),osg::StateAttribute::ON|osg::StateAttribute::PROTECTED);
stateset->setMode(GL_BLEND,osg::StateAttribute::ON|osg::StateAttribute::PROTECTED);
// stateset->setMode(GL_DEPTH_TEST,osg::StateAttribute::OFF);
stateset->setRenderBinDetails(1000, "DepthSortedBin");
stateset->setMode(GL_LIGHTING, osg::StateAttribute::OFF);
stateset->setRenderBinDetails(1001, "DepthSortedBin");
if (texture.valid()) stateset->setTextureAttributeAndModes(0, texture,osg::StateAttribute::ON|osg::StateAttribute::PROTECTED);
}
geode->addDrawable(geom);
{
osg::ref_ptr<osg::Geometry> geom = osg::createTexturedQuadGeometry(osg::Vec3(-_size*0.5f,-_size*0.5f,0.0f),osg::Vec3(_size,0.0f,0.0f),osg::Vec3(0.0f,_size,0.0f));
geode->addDrawable(geom.get());
_transform->addChild(geode);
osg::Vec4Array* colors = new osg::Vec4Array;
colors->push_back(osg::Vec4(1.0f,1.0f,1.0f,0.25f));
geom->setColorArray(colors, osg::Array::BIND_OVERALL);
osg::StateSet* stateset = geom->getOrCreateStateSet();
stateset->setMode(GL_BLEND,osg::StateAttribute::ON|osg::StateAttribute::PROTECTED);
stateset->setMode(GL_LIGHTING, osg::StateAttribute::OFF);
stateset->setMode(GL_DEPTH_TEST,osg::StateAttribute::OFF);
stateset->setRenderBinDetails(1000, "DepthSortedBin");
if (texture.valid()) stateset->setTextureAttributeAndModes(0, texture,osg::StateAttribute::ON|osg::StateAttribute::PROTECTED);
}
_transform->addChild(geode.get());
addChild(_transform.get());
}