public static UnityEngine.Vector3[] ToUnityVertices(this IEnumerable <double> arr, Hypar.Geometry.Transform t)
{
var list = arr.ToList();
var count = arr.Count();
var verts = new UnityEngine.Vector3[count / 3];
var index = 0;
for (var i = 0; i < count; i += 3)
{
var vt = t.OfPoint(new Vector3(list[i], list[i + 1], list[i + 2]));
// var v = new UnityEngine.Vector3((float)list[i], (float)list[i+1], (float)list[i+2]);
var v = vt.ToUnityVector3();
verts[index] = v;
index++;
}
return(verts);
}