public static Mesh CarveToMesh(this CarveSharp.CarveMesh cm)
{
Mesh m = new Mesh();
for (int i = 0; i < cm.Vertices.Length; i += 3)
{
m.Vertices.Add(new Rhino.Geometry.Point3d(
cm.Vertices[i],
cm.Vertices[i + 1],
cm.Vertices[i + 2]));
}
int j = 0;
for (int i = 0; i < cm.FaceSizes.Length; ++i)
{
if (cm.FaceSizes[i] == 3)
{
m.Faces.AddFace(
cm.FaceIndices[j],
cm.FaceIndices[j + 1],
cm.FaceIndices[j + 2]);
}
else if (cm.FaceSizes[i] == 4)
{
m.Faces.AddFace(
cm.FaceIndices[j],
cm.FaceIndices[j + 1],
cm.FaceIndices[j + 2],
cm.FaceIndices[j + 3]);
}
j += cm.FaceSizes[i];
}
return(m);
}
/// <summary>
/// Duplicate CarveMesh.
/// </summary>
/// <returns></returns>
public CarveMesh Duplicate()
{
CarveMesh cm = new CarveMesh();
cm.Vertices = new double[Vertices.Length];
cm.FaceIndices = new int[FaceIndices.Length];
cm.FaceSizes = new int[FaceSizes.Length];
Vertices.CopyTo(cm.Vertices, 0);
FaceIndices.CopyTo(cm.FaceIndices, 0);
FaceSizes.CopyTo(cm.FaceSizes, 0);
return(cm);
}
public static CarveSharp.CarveMesh MeshToCarve(this Mesh m)
{
double[] verts = new double[m.Vertices.Count * 3];
int[] facesizes = new int[m.Faces.Count];
List <int> faces = new List <int>();
int j = 0;
for (int i = 0; i < m.Vertices.Count; ++i)
{
verts[j] = m.Vertices[i].X; ++j;
verts[j] = m.Vertices[i].Y; ++j;
verts[j] = m.Vertices[i].Z; ++j;
}
for (int i = 0; i < m.Faces.Count; ++i)
{
faces.Add(m.Faces[i].A);
faces.Add(m.Faces[i].B);
faces.Add(m.Faces[i].C);
if (m.Faces[i].IsQuad)
{
facesizes[i] = 4;
faces.Add(m.Faces[i].D);
}
else
{
facesizes[i] = 3;
}
}
CarveSharp.CarveMesh cm = new CarveSharp.CarveMesh();
cm.Vertices = verts;
cm.FaceIndices = faces.ToArray();
cm.FaceSizes = facesizes;
return(cm);
}
public static CarveMesh PerformCSG(CarveMesh MeshA, CarveMesh MeshB, CSGOperations operation)
{
return(PerformCSG(MeshA.Vertices, MeshA.FaceIndices, MeshA.FaceSizes,
MeshB.Vertices, MeshB.FaceIndices, MeshB.FaceSizes, operation));
}
public static CarveMesh PerformCSG(double[] firstVerts, int[] firstFaceIndices, int[] firstFaceSizes,
double[] secondVerts, int[] secondFaceIndices, int[] secondFaceSizes,
CSGOperations operation)
{
CarveMesh finalResult = null;
unsafe
{
InteropMesh a = new InteropMesh();
InteropMesh b = new InteropMesh();
InteropMesh *result;
fixed(double *aVerts = &firstVerts[0], bVerts = &secondVerts[0])
{
fixed(int *aFaces = &firstFaceIndices[0], bFaces = &secondFaceIndices[0])
{
fixed(int *aFSizes = &firstFaceSizes[0], bFSizes = &secondFaceSizes[0])
{
a.numVertices = firstVerts.Length;
a.numFaceIndices = firstFaceIndices.Length;
a.vertices = aVerts;
a.faceIndices = aFaces;
a.faceSizes = aFSizes;
a.numFaces = firstFaceSizes.Length;
b.numVertices = secondVerts.Length;
b.numFaceIndices = secondFaceIndices.Length;
b.vertices = bVerts;
b.faceIndices = bFaces;
b.faceSizes = bFSizes;
b.numFaces = secondFaceSizes.Length;
try
{
result = performCSG(&a, &b, operation);
}
catch (SEHException ex)
{
ArgumentException e = new ArgumentException("Carve has thrown an error. Possible reason is corrupt or self-intersecting meshes", ex);
throw e;
}
}
}
}
if (result->numVertices == 0)
{
freeMesh(result);
return(null);
}
finalResult = new CarveMesh();
finalResult.Vertices = new double[result->numVertices];
finalResult.FaceIndices = new int[result->numFaceIndices];
finalResult.FaceSizes = new int[result->numFaces];
if (result->numVertices > 0)
{
Parallel.For(0, finalResult.Vertices.Length, i =>
{
finalResult.Vertices[i] = result->vertices[i];
});
}
if (result->numFaceIndices > 0)
{
Parallel.For(0, finalResult.FaceIndices.Length, i =>
{
finalResult.FaceIndices[i] = result->faceIndices[i];
});
}
if (result->numFaces > 0)
{
Parallel.For(0, finalResult.FaceSizes.Length, i =>
{
finalResult.FaceSizes[i] = result->faceSizes[i];
});
}
freeMesh(result);
} // end-unsafe
return(finalResult);
}
