Hi everybody,
I'm attempting to add shadows to a scene with the following code using a
ShadowMapViewport & a PassiveWindow.
ShadowMapViewportPtr svp = ShadowMapViewport::create();
GradientBackgroundPtr gbg = GradientBackground::create();
beginEditCP(gbg);
gbg->addLine(Color3f(0.7, 0.7, 0.8), 0);
gbg->addLine(Color3f(0.0, 0.1, 0.3), 1);
endEditCP(gbg);
TransformPtr point1_trans;
PointLightPtr _point1_core;
NodePtr point1 = makeCoredNode<PointLight>(&_point1_core);
// Shadow viewport
beginEditCP(svp);
svp->setBackground(gbg);
svp->setRoot(m_Mgr->getRoot());
svp->setSize(0,0,1,1);
svp->setOffFactor(5.4);
svp->setOffBias(10);
svp->setShadowColor(Color4f(0.2, 0.2, 0.2, 1.0));
svp->setMapSize(1024);
// you can add the light sources here, as default all light source in
// the scenegraph are used.
svp->getLightNodes().push_back(point1);
endEditCP(svp);
beginEditCP(m_Pwin);//Window
m_Pwin->replacePort(0, svp);
endEditCP(m_Pwin);
beginEditCP(svp);//Viewport
svp->setCamera(m_Mgr->getCamera());
endEditCP(svp);
m_Mgr->turnHeadlightOff();
NodePtr point1_beacon = makeCoredNode<Transform>(&point1_trans);
beginEditCP(point1_trans);
point1_trans->getMatrix().setTranslate(-150.0, 50.0, 0.0);
endEditCP(point1_trans);
beginEditCP(_point1_core);
_point1_core->setAmbient(0.45,0.45,0.45,1);
_point1_core->setDiffuse(0.5,0.5,0.5,1);
_point1_core->setSpecular(0.0,0.0,0.0,1);
_point1_core->setBeacon(point1_beacon);
_point1_core->setOn(true);
endEditCP(_point1_core);
NodePtr n=m_Mgr->getRoot();
beginEditCP(point1);
point1->addChild(n); // was point2
endEditCP(point1);
m_Mgr->setRoot(point1);
-------------------------------
now, first problem: when I launch the program, I set a simple root geometry and
then add the shadowviewport, but the object is always black.
second problem: when I click on the passivewindow the program crashes in an
OpenSG dll.
Where are the bugs?
thanks!
Davide.
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