/// <inheritdoc />
protected override void SolveInstance(IGH_DataAccess DA)
{
GH_HeMesh3d hemGoo = null;
if (!DA.GetData(0, ref hemGoo))
{
return;
}
int start = -1;
if (!DA.GetData(1, ref start))
{
return;
}
List <double> factors = new List <double>();
DA.GetDataList(2, factors);
var mesh = new HeMesh3d(hemGoo.Value);
var f = mesh.Faces[start];
// ensures mesh is unrollable
HeMeshUnroller.DetachFaceCycles(mesh, f);
// perform unroll
var unrolled = new Vec3d[mesh.Vertices.Count];
var last = factors.Count - 1;
HeMeshUnroller.Unroll(mesh, f, (v, p) => unrolled[v] = p, he => factors[Math.Min(he >> 1, last)]);
// set vertex attributes
var fn = f.GetNormal(v => v.Position);
mesh.Vertices.Action(v =>
{
v.Position = unrolled[v];
v.Normal = fn;
});
DA.SetData(0, new GH_HeMesh3d(mesh));
}
