public static void CreateAndSave(UnaliasedMesh mesh, string path, int radius = 5, bool useKring = true)
{
MeshCurvatureDetailGenerator detailGenerator = new MeshCurvatureDetailGenerator();
var detail = detailGenerator.Generate(mesh, radius, useKring);
MyAssetDatabase.CreateAndSaveAsset(detail, path);
}
public MeshCurvatureDetailSE Generate(UnaliasedMesh mesh, int radius = 5, bool useKring = true)
{
//var originalVertices = mesh.vertices;
//var originalTriangles = mesh.triangles;
//var verticlesToOriginalVerticles = new Dictionary<Vector3, List<int>>();
//for (int i = 0; i < originalVertices.Length; i++)
//{
// var vert = originalVertices[i];
// if (!verticlesToOriginalVerticles.ContainsKey(vert))
// {
// verticlesToOriginalVerticles[vert] = new List<int>();
// }
// verticlesToOriginalVerticles[vert].Add(i);
//}
//var vertices = verticlesToOriginalVerticles.Keys.ToArray();
//var originalIndexToIndexDict = new int[originalVertices.Length];
//for (int i = 0; i < vertices.Length; i++)
//{
// var v = vertices[i];
// foreach (var originalIndex in verticlesToOriginalVerticles[v])
// {
// originalIndexToIndexDict[originalIndex] = i;
// }
//}
//var triangles = originalTriangles
// .Select(c => originalIndexToIndexDict[c])
// .ToArray();
var verticesFlatArray = mesh.Vertices.SelectMany(c => c.ToArray()).ToArray();
var verticesCount = mesh.Vertices.Length;
var trianglesCount = mesh.Triangles.Length / 3;
var outDirection1 = new float[3 * verticesCount];
var outDirection2 = new float[3 * verticesCount];
var outValues1 = new float[verticesCount];
var outValues2 = new float[verticesCount];
PrincipalCurvatureDll.EnableLogging();
int callStatus = PrincipalCurvatureDll.compute_principal_curvature(verticesFlatArray, verticesCount, mesh.Triangles, trianglesCount, outDirection1, outDirection2,
outValues1, outValues2, radius, useKring);
Preconditions.Assert(callStatus == 0, "Calling compute_principal_curvature failed, as returned status " + callStatus);
var od1 = FlatArrayToVectorArray(outDirection1);
var od2 = FlatArrayToVectorArray(outDirection2);
return(MeshCurvatureDetailSE.CreateDetail(
mesh.OriginalIndexToIndex.Select(c => od1[c]).ToArray(),
mesh.OriginalIndexToIndex.Select(c => od2[c]).ToArray(),
mesh.OriginalIndexToIndex.Select(c => outValues1[c]).ToArray(),
mesh.OriginalIndexToIndex.Select(c => outValues2[c]).ToArray()
));
}
public List <Vector2> GenerateUv(UnaliasedMesh mesh)
{
var flatVerticlesArray = mesh.Vertices.SelectMany(c => c.ToArray()).ToArray();
var verticlesCount = mesh.Vertices.Length;
var outUvsArray = new float[verticlesCount * 2];
var result = PrincipalCurvatureDll.compute_arapUv(flatVerticlesArray, verticlesCount, mesh.Triangles, mesh.Triangles.Length / 3, outUvsArray, 100);
Preconditions.Assert(result == 0, "Calling compute_arapUv failed, as returned status " + result);
var uvsAsVectors = new Vector2[verticlesCount];
for (int i = 0; i < verticlesCount; i++)
{
uvsAsVectors[i] = new Vector2(outUvsArray[i * 2 + 0], outUvsArray[i * 2 + 1]);
}
return(mesh.OriginalIndexToIndex.Select(c => uvsAsVectors[c]).ToList());
}
public static MeshCurvatureDetailSE Generate(UnaliasedMesh mesh, int radius = 5, bool useKring = true)
{
MeshCurvatureDetailGenerator detailGenerator = new MeshCurvatureDetailGenerator();
return(detailGenerator.Generate(mesh, radius, useKring));
}
