FGFS-4.1/OpenSceneGraph
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Added option to use osgShadow::ShadowMap technique

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This commit is contained in:
Robert Osfield 2007-02-19 14:21:01 +00:00
parent 37526e3bea
commit bc0fb12d0a
3 changed files with 79 additions and 19 deletions
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2
examples/osgdepthshadow/GNUmakefile
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@ -4,7 +4,7 @@ include $(TOPDIR)/Make/makedefs
CXXFILES =\ CXXFILES =\
osgdepthshadow.cpp\ osgdepthshadow.cpp\
LIBS += -losgViewer -losgText -losgGA -losgDB -losgUtil -losg $(GL_LIBS) $(X_LIBS) $(OTHER_LIBS) LIBS += -losgViewer -losgShadow -losgText -losgGA -losgDB -losgUtil -losg $(GL_LIBS) $(X_LIBS) $(OTHER_LIBS)
INSTFILES = \ INSTFILES = \
$(CXXFILES)\ $(CXXFILES)\

71
examples/osgdepthshadow/osgdepthshadow.cpp
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@ -21,6 +21,9 @@
#include <osgDB/ReadFile> #include <osgDB/ReadFile>
#include <osgShadow/ShadowedScene>
#include <osgShadow/ShadowMap>
#include <iostream> #include <iostream>
using namespace osg; using namespace osg;
@ -436,33 +439,65 @@ int main(int argc, char** argv)
return 1; return 1;
} }
ref_ptr<MatrixTransform> scene = new MatrixTransform;
scene->setMatrix(osg::Matrix::rotate(osg::DegreesToRadians(125.0),1.0,0.0,0.0));
ref_ptr<Group> shadowed_scene = _create_scene();
if (!shadowed_scene.valid()) return 1;
ref_ptr<MatrixTransform> light_transform = _create_lights();
if (!light_transform.valid()) return 1;
ref_ptr<Group> shadowedScene;
if (arguments.read("--sm"))
if (withBaseTexture)
{ {
shadowed_scene->getOrCreateStateSet()->setTextureAttributeAndModes( 0, new osg::Texture2D(osgDB::readImageFile("Images/lz.rgb")), osg::StateAttribute::ON); osgShadow::ShadowMap* sm = new osgShadow::ShadowMap;
shadowedScene = createShadowedScene(shadowed_scene.get(),light_transform.get(),1); sm->setTextureUnit( withBaseTexture ? 1 : 0 );
osg::ref_ptr<osgShadow::ShadowedScene> shadowedScene = new osgShadow::ShadowedScene(sm);
ref_ptr<Group> created_scene = _create_scene();
if (!created_scene.valid()) return 1;
shadowedScene->addChild(_create_scene().get());
ref_ptr<MatrixTransform> scene = new MatrixTransform;
scene->setMatrix(osg::Matrix::rotate(osg::DegreesToRadians(125.0),1.0,0.0,0.0));
scene->addChild(_create_lights().get());
scene->addChild(shadowedScene.get());
if (withBaseTexture)
{
scene->getOrCreateStateSet()->setTextureAttributeAndModes( 0, new osg::Texture2D(osgDB::readImageFile("Images/lz.rgb")), osg::StateAttribute::ON);
}
viewer.setSceneData(scene.get());
} }
else else
{ {
shadowedScene = createShadowedScene(shadowed_scene.get(),light_transform.get(),0); ref_ptr<MatrixTransform> scene = new MatrixTransform;
scene->setMatrix(osg::Matrix::rotate(osg::DegreesToRadians(125.0),1.0,0.0,0.0));
ref_ptr<Group> created_scene = _create_scene();
if (!created_scene.valid()) return 1;
ref_ptr<MatrixTransform> light_transform = _create_lights();
if (!light_transform.valid()) return 1;
ref_ptr<Group> shadowedScene;
if (withBaseTexture)
{
scene->getOrCreateStateSet()->setTextureAttributeAndModes( 0, new osg::Texture2D(osgDB::readImageFile("Images/lz.rgb")), osg::StateAttribute::ON);
shadowedScene = createShadowedScene(created_scene.get(),light_transform.get(),1);
}
else
{
shadowedScene = createShadowedScene(created_scene.get(),light_transform.get(),0);
}
scene->addChild(shadowedScene.get());
viewer.setSceneData(scene.get());
} }
// viewer.setUpViewOnSingleScreen(); // viewer.setUpViewOnSingleScreen();
scene->addChild(shadowedScene.get());
viewer.setSceneData(scene.get());
return viewer.run(); return viewer.run();
} }

25
examples/osgshadowtexture/osgshadowtexture.cpp
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@ -16,6 +16,7 @@
#include <osgShadow/ShadowedScene> #include <osgShadow/ShadowedScene>
#include <osgShadow/ShadowVolume> #include <osgShadow/ShadowVolume>
#include <osgShadow/ShadowTexture> #include <osgShadow/ShadowTexture>
#include <osgShadow/ShadowMap>
// include the call which creates the shadowed subgraph. // include the call which creates the shadowed subgraph.
#include "CreateShadowedScene.h" #include "CreateShadowedScene.h"
@ -204,6 +205,30 @@ osg::Node* createModel(osg::ArgumentParser& arguments)
return shadowedScene; return shadowedScene;
}
else if (arguments.read("--sm"))
{
osgShadow::ShadowedScene* shadowedScene = new osgShadow::ShadowedScene;
osg::ref_ptr<osgShadow::ShadowMap> shadowMap = new osgShadow::ShadowMap;
shadowedScene->setShadowTechnique(shadowMap.get());
osg::ref_ptr<osg::LightSource> ls = new osg::LightSource;
ls->getLight()->setPosition(osg::Vec4(lightPosition,1.0));
shadowedScene->setRecievesShadowTraversalMask(0x1);
shadowed->setNodeMask(shadowedScene->getRecievesShadowTraversalMask());
shadowedScene->setCastsShadowTraversalMask(0x2);
shadower->setNodeMask(shadowedScene->getCastsShadowTraversalMask());
shadowedScene->addChild(shadower);
shadowedScene->addChild(shadowed);
shadowedScene->addChild(ls.get());
return shadowedScene;
} }
else else
{ {