//
// Updates the mesh by calling the optimizeInPlace method
// of the D3DX object and reloading attribute information
void DirectX::Mesh::update( )
{
DWORD* adjacencyInfo = new DWORD[m_mesh->GetNumFaces( )*sizeof(DWORD)];
m_mesh->ConvertPointRepsToAdjacency( NULL, adjacencyInfo );
m_mesh->OptimizeInplace( D3DXMESHOPT_ATTRSORT | D3DXMESHOPT_COMPACT, adjacencyInfo, NULL, NULL, NULL );
delete[] adjacencyInfo;
if( m_attributeTable ) delete[] m_attributeTable;
m_mesh->GetAttributeTable( NULL, &m_nAttributes );
m_attributeTable = new D3DXATTRIBUTERANGE[m_nAttributes];
m_mesh->GetAttributeTable( m_attributeTable, &m_nAttributes );
calculateBoundingSphere( );
calculateBoundingBox( );
}
nvmath::Sphere3f const& Drawable::getBoundingSphere (bool recalc) const
{
if (recalc)
m_boundingSphere = calculateBoundingSphere ();
return m_boundingSphere;
}
Sphere Sphere::calculateBoundingSphere( const vector<vec3> &points )
{
return calculateBoundingSphere( points.data(), points.size() );
}
