public DisplacementPoint(Displacement parent, int x, int y)
{
Parent = parent;
XIndex = x;
YIndex = y;
CurrentPosition = new Vertex(Coordinate.Zero, parent);
InitialPosition = Coordinate.Zero;
Displacement = new Vector(Coordinate.UnitZ, 0);
OffsetDisplacement = new Vector(Coordinate.UnitZ, 0);
Alpha = 0;
}
/// <summary>
/// Whether or not this displacement is sewable with the provided displacement.
/// </summary>
/// <param name="disp">The displcement to test</param>
/// <returns>True if these displacements are sewable.</returns>
public bool IsSewableTo(Displacement disp)
{
var otherEdges = disp.GetEdges();
return GetEdges().Any(x => otherEdges.Any(y => x.EquivalentTo(y)));
}
private static GenericStructure WriteDisplacement(Displacement disp)
{
throw new NotImplementedException();
}
private static Displacement ReadDisplacement(long id, GenericStructure dispinfo)
{
var disp = new Displacement(id);
// power, startposition, flags, elevation, subdiv, normals{}, distances{},
// offsets{}, offset_normals{}, alphas{}, triangle_tags{}, allowed_verts{}
disp.SetPower(dispinfo.PropertyInteger("power", 3));
disp.StartPosition = dispinfo.PropertyCoordinate("startposition");
disp.Elevation = dispinfo.PropertyDecimal("elevation");
disp.SubDiv = dispinfo.PropertyInteger("subdiv") > 0;
var size = disp.Resolution + 1;
var normals = dispinfo.GetChildren("normals").FirstOrDefault();
var distances = dispinfo.GetChildren("distances").FirstOrDefault();
var offsets = dispinfo.GetChildren("offsets").FirstOrDefault();
var offsetNormals = dispinfo.GetChildren("offset_normals").FirstOrDefault();
var alphas = dispinfo.GetChildren("alphas").FirstOrDefault();
//var triangleTags = dispinfo.GetChildren("triangle_tags").First();
//var allowedVerts = dispinfo.GetChildren("allowed_verts").First();
for (var i = 0; i < size; i++)
{
var row = "row" + i;
var norm = normals != null ? normals.PropertyCoordinateArray(row, size) : Enumerable.Range(0, size).Select(x => Coordinate.Zero).ToArray();
var dist = distances != null ? distances.PropertyDecimalArray(row, size) : Enumerable.Range(0, size).Select(x => 0m).ToArray();
var offn = offsetNormals != null ? offsetNormals.PropertyCoordinateArray(row, size) : Enumerable.Range(0, size).Select(x => Coordinate.Zero).ToArray();
var offs = offsets != null ? offsets.PropertyDecimalArray(row, size) : Enumerable.Range(0, size).Select(x => 0m).ToArray();
var alph = alphas != null ? alphas.PropertyDecimalArray(row, size) : Enumerable.Range(0, size).Select(x => 0m).ToArray();
for (var j = 0; j < size; j++)
{
disp.Points[i, j].Displacement = new Vector(norm[j], dist[j]);
disp.Points[i, j].OffsetDisplacement = new Vector(offn[j], offs[j]);
disp.Points[i, j].Alpha = alph[j];
}
}
return disp;
}
private void CollectJoinedDisplacements(List<Displacement> collection, Displacement startingPoint, List<Displacement> searchList)
{
if (collection.Contains(startingPoint)) return;
collection.Add(startingPoint);
searchList.Remove(startingPoint);
var sewable = startingPoint.GetSewableDisplacements(searchList).ToList();
sewable.ForEach(x => CollectJoinedDisplacements(collection, x, searchList));
}
/// <summary>
/// Whether or not this displacement is sewable with the provided displacement.
/// </summary>
/// <param name="disp">The displcement to test</param>
/// <returns>True if these displacements are sewable.</returns>
public bool IsSewableTo(Displacement disp)
{
var otherEdges = disp.GetEdges();
return(GetEdges().Any(x => otherEdges.Any(y => x.EquivalentTo(y))));
}