/// <summary>
/// Creates a convex hull given the original vertices of a mesh.
/// </summary>
/// <param name="vertices">The original vertices of a mesh</param>
/// <param name="resultOutcome">The outcome of the process (successfull or unsuccessful)</param>
/// <param name="PlaneDistanceTolerance">The plane distance tolerance</param>
/// <returns>The output mesh data of the convex hull</returns>
public static MeshData GenerateConvexHull(this Vector3[] vertices, out ConvexHullCreationResultOutcome resultOutcome, double PlaneDistanceTolerance = Constants.DefaultPlaneDistanceTolerance)
{
MeshData convexMesh = new MeshData();
List <MIVertex> convexVertices = vertices.Select(point => new MIVertex(point)).ToList();
var creation = ConvexHull.Create(convexVertices, PlaneDistanceTolerance);
resultOutcome = creation.Outcome;
var result = creation.Result;
List <int> triangles = new List <int>();
List <MIVertex> resultVertices = result.Points.ToList();
foreach (var face in result.Faces)
{
triangles.Add(resultVertices.IndexOf(face.Vertices[0]));
triangles.Add(resultVertices.IndexOf(face.Vertices[1]));
triangles.Add(resultVertices.IndexOf(face.Vertices[2]));
}
convexMesh.vertices = result.Points.Select(point => point.ToVec()).ToArray();
convexMesh.triangles = triangles.ToArray();
//convexMesh.RecalculateNormals();
//convexMesh.RecalculateBounds();
return(convexMesh);
}
/// <summary>
/// Creates a convex hull given the original vertices of a mesh.
/// </summary>
/// <param name="vertices">The original vertices of a mesh</param>
/// <param name="resultOutcome">The outcome of the process (successfull or unsuccessful)</param>
/// <param name="PlaneDistanceTolerance">The plane distance tolerance</param>
/// <returns>A mesh that represents the convex hull of the original mesh</returns>
public static Mesh ToConvexHull(this Vector3[] vertices, out ConvexHullCreationResultOutcome resultOutcome, double PlaneDistanceTolerance = Constants.DefaultPlaneDistanceTolerance)
{
Mesh convexMesh = new Mesh();
var meshData = vertices.GenerateConvexHull(out resultOutcome, PlaneDistanceTolerance);
convexMesh.vertices = meshData.vertices;
convexMesh.triangles = meshData.triangles;
convexMesh.RecalculateNormals();
convexMesh.RecalculateBounds();
return(convexMesh);
}
/// <summary>
/// Initializes a new instance of the <see cref="ConvexHullCreationResult{TVertex, TFace}" /> class.
/// </summary>
/// <param name="result">The result.</param>
/// <param name="outcome">The outcome.</param>
/// <param name="errorMessage">The error message.</param>
public ConvexHullCreationResult(ConvexHull<TVertex, TFace> result, ConvexHullCreationResultOutcome outcome, string errorMessage = "")
{
Result = result;
Outcome = outcome;
ErrorMessage = errorMessage;
}
public ConvexHullGenerationException(ConvexHullCreationResultOutcome error, string errorMessage)
{
ErrorMessage = errorMessage;
Error = error;
}
/// <summary>
/// Creates a convex hull given the original vertices of a mesh.
/// </summary>
/// <param name="original">The original mesh</param>
/// <param name="resultOutcome">The outcome of the process (successfull or unsuccessful)</param>
/// <param name="PlaneDistanceTolerance">The plane distance tolerance</param>
/// <returns>The output mesh data of the convex hull</returns>
public static MeshData GenerateConvexHull(this Mesh original, out ConvexHullCreationResultOutcome resultOutcome, double PlaneDistanceTolerance = Constants.DefaultPlaneDistanceTolerance)
{
return(original.vertices.GenerateConvexHull(out resultOutcome, PlaneDistanceTolerance));
}
