/// <summary>
/// Make boolean difference between two meshes using the CarveSharp library.
/// </summary>
/// <param name="mA">Mesh to subtract from.</param>
/// <param name="mB">Mesh to subtract.</param>
/// <returns>Mesh difference between MeshA and MeshB.</returns>
public static Mesh Carve(Mesh mA, Mesh mB, CarveSharp.CarveSharp.CSGOperations Operation)
{
if (mA == null || mB == null)
{
return(null);
}
mA.Weld(Math.PI);
mB.Weld(Math.PI);
//MeshA.Faces.ConvertQuadsToTriangles();
//MeshB.Faces.ConvertQuadsToTriangles();
var cmA = mA.MeshToCarve();
var cmB = mB.MeshToCarve();
var tmp = CarveSharp.CarveSharp.PerformCSG(cmA, cmB, Operation);
return(tmp.CarveToMesh());
}
/// <summary>
/// Make boolean difference between a mesh and a
/// collection of meshes using the CarveSharp library.
/// </summary>
/// <param name="MeshA">Mesh to subtract from.</param>
/// <param name="Meshes">Meshes to subtract.</param>
/// <returns>Mesh difference.</returns>
public static Mesh Carve(Mesh MeshA, IEnumerable <Mesh> Meshes, CarveSharp.CarveSharp.CSGOperations Operation)
{
MeshA.Weld(3.14);
MeshA.Faces.ConvertQuadsToTriangles();
var tmp = MeshA.MeshToCarve();
foreach (Mesh m in Meshes)
{
if (m == null)
{
continue;
}
m.Weld(3.14);
m.Faces.ConvertQuadsToTriangles();
var mm = m.MeshToCarve();
tmp = CarveSharp.CarveSharp.PerformCSG(tmp, mm, Operation);
}
return(tmp.CarveToMesh());
}
/// <summary>
/// Make boolean difference between two collections
/// of meshes using the CarveSharp library.
/// </summary>
/// <param name="MeshesA">Meshes A.</param>
/// <param name="MeshesB">Meshes B.</param>
/// <param name="Operation">Carve operation to perform.</param>
/// <returns>Mesh difference.</returns>
public static List <Mesh> Carve(IEnumerable <Mesh> MeshesA, IEnumerable <Mesh> MeshesB, CarveSharp.CarveSharp.CSGOperations Operation)
{
List <Mesh> OutMeshes = new List <Mesh>();
foreach (Mesh mA in MeshesA)
{
if (mA == null)
{
continue;
}
mA.Weld(3.14);
//mA.Faces.ConvertQuadsToTriangles();
CarveMesh temp = mA.MeshToCarve();
foreach (Mesh m in MeshesB)
{
if (m == null)
{
continue;
}
m.Weld(3.14);
//m.Faces.ConvertQuadsToTriangles();
var cm = m.MeshToCarve();
temp = CarveSharp.CarveSharp.PerformCSG(temp, cm, Operation);
}
if (temp != null)
{
OutMeshes.Add(temp.CarveToMesh());
}
}
return(OutMeshes);
}