int main(int argc, char* argv[])
{
osgViewer::Viewer viewer;
viewer.setUpViewInWindow(100,100,800,600);
osg::ref_ptr<osg::Program> program = createProgram();
osg::ref_ptr<osg::Geode> geode = CreateIcosahedron(program.get());
osg::StateSet *state;
state = geode->getOrCreateStateSet();
state->addUniform(new osg::Uniform("AmbientMaterial",osg::Vec3(0.04f, 0.04f, 0.04f)));
state->addUniform(new osg::Uniform("DiffuseMaterial",osg::Vec3(0.0f, 0.75f, 0.75f)));
state->addUniform(new osg::Uniform("LightPosition",osg::Vec3(0.25f, 0.25f, 1.0f)));
state->addUniform(tessInnerU.get());
state->addUniform(tessOuterU.get());
state->setAttribute(new osg::PatchParameter(3));
state->setAttribute(program.get());
// switch on the uniforms that track the modelview and projection matrices
osgViewer::Viewer::Windows windows;
viewer.getWindows(windows);
for(osgViewer::Viewer::Windows::iterator itr = windows.begin();
itr != windows.end();
++itr)
{
osg::State *s=(*itr)->getState();
s->setUseModelViewAndProjectionUniforms(true);
s->setUseVertexAttributeAliasing(true);
}
viewer.addEventHandler(new KeyboardEventHandler());
viewer.setSceneData(geode.get());
return viewer.run();
}
void SpherePointCloud::SetToQuasiUniform(unsigned char pDepth)
{
// Create the initial vertices and faces from the sphere cloud
CreateIcosahedron();
QVector< unsigned int > tempFaces = mFaces;
mFaces.clear();
// Each triangle has to be subdivided as many times as the sphere depth
for( int i = 0; i < tempFaces.size(); i += 3 )
{
int face1 = tempFaces.at(i);
int face2 = tempFaces.at(i+1);
int face3 = tempFaces.at(i+2);
Subdivide( mVertices.at(face1), mVertices.at(face2), mVertices.at(face3), pDepth );
}
mNumberOfPoints = mVertices.size();
ComputeQuasiUniformNeighbours();
SetMeshInformation();
}
