/// <summary>
///
/// </summary>
private static void Set(V vertex, HeMesh3d.Face face)
{
if (!face.IsUnused)
{
vertex.Position = face.GetBarycenter(HeMesh3d.Vertex.Accessors.Position);
}
}
/// <summary>
///
/// </summary>
private Vec3d GetFacePoint(HeMesh3d.Face face, out double distance)
{
var he = face.First;
// get positions of face vertices
var p0 = he.Start.Position;
he = he.Next;
var p1 = he.Start.Position;
he = he.Next;
var p2 = he.Start.Position;
// get centroid of face
var p = (p0 + p1 + p2) / 3.0;
// get normal of face
var n = Vec3d.Cross(p1 - p0, p2 - p1);
// scale the normal
distance = _offsetField.Evaluate(p);
n *= distance / n.Length;
return(p + n);
}
/// <summary>
///
/// </summary>
public override double Evalutate(HeMesh3d.Face face)
{
var p0 = face.GetBarycenter();
var p1 = (Vec3d)transform.position;
return(p0.DistanceTo(p1));
}
/// <summary>
///
/// </summary>
/// <param name="face"></param>
/// <returns></returns>
public override double Evalutate(HeMesh3d.Face face)
{
var p0 = transform.TransformPoint((Vector3)face.GetBarycenter());
return(Math.Abs(_distanceField.Evaluate(p0)));
//return _distanceField.Evaluate(p0);
}
/// <summary>
///
/// </summary>
public override double Evalutate(HeMesh3d.Face face)
{
var p0 = face.GetBarycenter();
//var p1 = (Vec3d)transform.position;
//return p0.DistanceTo(p1);
var gs = RemapTextureGrayScale(p0.X, p0.Z);
var gt = Mathf.InverseLerp(0, 1f, (float)gs);
var ht = Mathf.InverseLerp(_minHeight, _maxHeight, (float)p0.Y);
double value;
if (gt == 1 || gt == 0 || ht == 1 || ht == 0)
{
value = double.MaxValue;
}
else
{
value = Mathf.Abs(gt - ht);
}
//print(gs+","+gt+','+ht+","+value);
return(value);
}
/// <summary>
///
/// </summary>
public override double Evalutate(HeMesh3d.Face face)
{
var p0 = face.GetBarycenter();
var th = GetToTerrainDistance((Vector3)p0);
return(th);
}
/// <summary> </summary>
private static void Set(Vertex v, HeMesh3d.Face f)
{
if (!f.IsRemoved)
{
v.Position = f.Vertices.Mean(_getPosition);
v.Normal = f.GetNormal(_getPosition);
}
}
/// <summary> </summary>
private static void Set(V v, HeMesh3d.Face f)
{
if (!f.IsUnused)
{
v.Position = f.Vertices.Mean(HeMesh3d.Vertex.GetPosition);
v.Normal = f.GetNormal(HeMesh3d.Vertex.GetPosition);
}
}
/// <summary>
///
/// </summary>
private void AddTetrahedron(HeMesh3d.Face face, int vertex)
{
var he = face.First;
var v0 = he.Start;
he = he.Next;
var v1 = he.Start;
he = he.Next;
var v2 = he.Start;
_tetrahedra.Add(new Tetra(vertex, v2, v1, v0));
}
/// <summary>
///
/// </summary>
public override double Evalutate(HeMesh3d.Face face)
{
var p0 = face.GetBarycenter();
switch (_type)
{
case EvaluateType.FollowTerrain:
return(GetFollowTerrain((Vector3)p0));
case EvaluateType.MinimalHeight:
return(GetMinimalHeight((Vector3)p0));
case EvaluateType.MaximalHeight:
return(GetMaximalHeight((Vector3)p0));
}
throw new System.NotImplementedException();
}
/// <summary>
///
/// </summary>
private void AddTetrahedron(HeMesh3d.Face face, int vertex)
{
var he = face.First;
var v0 = he.Start;
he = he.Next;
var v1 = he.Start;
he = he.Next;
var v2 = he.Start;
var adj = FindTetraByVertices(v0, v1, v2);
GameObject[] nodes = new GameObject[4];
_tetrahedra.Add(new Tetra(vertex, v2, v1, v0, adj)); //Attention!
}
/// <summary>
///
/// </summary>
/// <typeparam name="V"></typeparam>
/// <typeparam name="E"></typeparam>
/// <typeparam name="F"></typeparam>
/// <param name="mesh"></param>
/// <param name="start"></param>
/// <param name="setEdge"></param>
public static void Unroll(HeMesh3d mesh, HeMesh3d.Face start, Action <HeMesh3d.Vertex, Vec3d> setUnrolledPosition, Func <HeMesh3d.Halfedge, double> getUnrollFactor = null)
{
Unroll(mesh, start, HeMesh3d.Vertex.Accessors.Position, setUnrolledPosition, getUnrollFactor);
}
/// <summary>
///
/// </summary>
/// <typeparam name="V"></typeparam>
/// <typeparam name="E"></typeparam>
/// <typeparam name="F"></typeparam>
/// <param name="mesh"></param>
/// <param name="start"></param>
/// <param name="setEdge"></param>
public static void DetachFaceCycles(HeMesh3d mesh, HeMesh3d.Face start)
{
DetachFaceCycles(mesh, start, Set);
}
/// <summary> /// /// </summary> public abstract double Evalutate(HeMesh3d.Face face);
