Hi Vincent, You'll need to set the light number of the light via light->setLightNum(num); The first light should be 0, and your second one 1.
Robert. On Wed, Aug 6, 2008 at 10:53 AM, Vincent Bourdier <[EMAIL PROTECTED]> wrote: > Hi all, > > I've a scene with 2 lights : > > The first one (n°0) is the one for the whole scene, with ambiant component, > diffuse, specular, ... > The second one is attached on a node, and have to light only this node and > not all the scene. > > To do that, I put some attenuation on the second light to avoid it light the > reste of the scene... but it does nothing ! > > light1->setAmbient(osg::Vec4(0.0f, 0.0f, 0.0f, 1)); > light1->setDiffuse(osg::Vec4(intensity, 0, 0, 1)); > light1->setSpecular(osg::Vec4(0.0f, 0.0f, 0.0f, 1)); > light1->setPosition(osg::Vec4(p1, 0)); > light1->setDirection(-p1); > light1->setSpotCutoff(0.5f); > light1->setConstantAttenuation(0.95f); > light1->setLinearAttenuation(0.0000001f); > light1->setQuadraticAttenuation(0.00000002f); > > osg::LightSource* satLightSource1 = new osg::LightSource; > satLightSource1->setLight(light1.get()); > satLightSource1->setLocalStateSetModes( osg::StateAttribute::ON ); > satLightSource1->getOrCreateStateSet()->setMode(GL_LIGHTING, > osg::StateAttribute::ON); > > osg::LightModel* lightModel1 = new osg::LightModel; > lightModel1->setAmbientIntensity(osg::Vec4(0.0f,0.0f,0.0f,1.0f)); > //0,0,0,1 > satLightSource1->getOrCreateStateSet()->setAttribute(lightModel1); > > group->addChild(satLightSource1); > > _root->getOrCreateStateSet()->setMode(GL_LIGHT1, > osg::StateAttribute::ON); > > When I modify quadratic attenuation and linear attenuation, nothing appear > to be changed in the scene, and a lot of nodes are lighted in red... > > Some idea why it doesn't works ? > Thanks, > > Regards, > Vincent. > > _______________________________________________ > osg-users mailing list > [email protected] > http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org > > _______________________________________________ osg-users mailing list [email protected] http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org
