public override IEnumerator BeginGeneration()
{
var topology = topologyInputSlot.GetAsset <Topology>();
var vertexNormals = Vector3VertexAttribute.Create(new Vector3[topology.vertices.Count]).SetName("Vertex Normals");
yield return(executive.GenerateConcurrently(() =>
{
switch (calculationMethod)
{
case CalculationMethod.FromSurfaceNormal:
VertexAttributeUtility.CalculateVertexNormalsFromSurface(topology.vertices, surfaceInputSlot.GetAsset <Surface>(), vertexPositionsInputSlot.GetAsset <IVertexAttribute <Vector3> >(), vertexNormals);
break;
case CalculationMethod.FromVertexPositions:
VertexAttributeUtility.CalculateVertexNormalsFromVertexPositions(topology.vertices, vertexPositionsInputSlot.GetAsset <IVertexAttribute <Vector3> >(), vertexNormals);
break;
case CalculationMethod.FromFacePositions:
VertexAttributeUtility.CalculateVertexNormalsFromFacePositions(topology.vertices, facePositionsInputSlot.GetAsset <IFaceAttribute <Vector3> >(), vertexNormals);
break;
case CalculationMethod.FromFaceNormals:
VertexAttributeUtility.CalculateVertexNormalsFromFaceNormals(topology.vertices, faceNormalsInputSlot.GetAsset <IFaceAttribute <Vector3> >(), vertexNormals);
break;
default:
throw new System.NotImplementedException();
}
}));
vertexNormalsOutputSlot.SetAsset(vertexNormals);
yield break;
}
public override IEnumerator BeginGeneration()
{
var surface = surfaceOutputSlot.GetAsset <SphericalSurface>();
if (surface == null)
{
surface = surfaceOutputSlot.SetAsset(CreateInstance <SphericalSurface>(), false);
}
surface.Reset(primaryPole, equatorialPole, radius, isInverted);
Topology topology;
Vector3[] vertexPositions;
switch (sphericalPolyhedron)
{
case SphericalPolyhedrons.Tetrahedron:
SphericalManifoldUtility.CreateTetrahedron(surface, out topology, out vertexPositions);
break;
case SphericalPolyhedrons.Cube:
SphericalManifoldUtility.CreateCube(surface, out topology, out vertexPositions);
break;
case SphericalPolyhedrons.Octahedron:
SphericalManifoldUtility.CreateOctahedron(surface, out topology, out vertexPositions);
break;
case SphericalPolyhedrons.Dodecahedron:
if (subdivisionDegree == 0)
{
SphericalManifoldUtility.CreateDodecahedron(surface, out topology, out vertexPositions);
}
else
{
SphericalManifoldUtility.CreateIcosahedron(surface, out topology, out vertexPositions);
}
break;
case SphericalPolyhedrons.Icosahedron:
SphericalManifoldUtility.CreateIcosahedron(surface, out topology, out vertexPositions);
break;
default:
throw new System.NotImplementedException();
}
SphericalManifoldUtility.Subdivide(surface, topology, vertexPositions.AsVertexAttribute(), subdivisionDegree, out topology, out vertexPositions);
var alreadyDual = sphericalPolyhedron == SphericalPolyhedrons.Dodecahedron && subdivisionDegree != 0;
if (useDualPolyhedron != alreadyDual)
{
SphericalManifoldUtility.MakeDual(surface, topology, ref vertexPositions);
}
surfaceOutputSlot.Persist();
topologyOutputSlot.SetAsset(topology);
vertexPositionsOutputSlot.SetAsset(Vector3VertexAttribute.Create(vertexPositions).SetName("Vertex Positions"));
yield break;
}