// Meshes
public Mesh MeshToSpeckle(DS.Mesh mesh, string units = null)
{
var u = units ?? ModelUnits;
var vertices = PointListToFlatArray(mesh.VertexPositions);
var defaultColour = System.Drawing.Color.FromArgb(255, 100, 100, 100);
var faces = mesh.FaceIndices.SelectMany(f =>
{
if (f.Count == 4)
{
return(new int[5] {
1, (int)f.A, (int)f.B, (int)f.C, (int)f.D
});
}
else
{
return(new int[4] {
0, (int)f.A, (int)f.B, (int)f.C
});
}
})
.ToArray();
var colors = Enumerable.Repeat(defaultColour.ToArgb(), vertices.Count()).ToArray();
//double[] textureCoords;
//if (SpeckleRhinoConverter.AddMeshTextureCoordinates)
//{
// textureCoords = mesh.TextureCoordinates.Select(pt => pt).ToFlatArray();
// return new SpeckleMesh(vertices, faces, Colors, textureCoords, properties: mesh.UserDictionary.ToSpeckle());
//}
var speckleMesh = new Mesh(vertices, faces, colors, units: u);
CopyProperties(speckleMesh, mesh);
using (var box = ComputeMeshBoundingBox(mesh))
speckleMesh.bbox = BoxToSpeckle(box, u);
return(speckleMesh);
}
private DS.Cuboid ComputeMeshBoundingBox(DS.Mesh mesh)
{
double lowX = double.PositiveInfinity, lowY = double.PositiveInfinity, lowZ = double.PositiveInfinity;
double highX = double.NegativeInfinity, highY = double.NegativeInfinity, highZ = double.NegativeInfinity;
mesh.VertexPositions.ForEach(pos =>
{
if (pos.X < lowX)
{
lowX = pos.X;
}
if (pos.Y < lowY)
{
lowY = pos.Y;
}
if (pos.Z < lowZ)
{
lowZ = pos.Z;
}
if (pos.X > highX)
{
highX = pos.X;
}
if (pos.Y > highY)
{
highY = pos.Y;
}
if (pos.Z > highZ)
{
highZ = pos.Z;
}
});
using (var low = DS.Point.ByCoordinates(lowX, lowY, lowZ))
using (var high = DS.Point.ByCoordinates(highX, highY, highZ))
return(DS.Cuboid.ByCorners(low, high));
}
