static void Main(string[] args)
{
var inputFilename = args[0];
var outputFilename = args.Length < 2 ? "output.mesh" : args[1];
PlyFile ply;
using(var inputFile = File.OpenText(inputFilename)) {
ply = new PlyParser().Parse(inputFile);
}
var vertex = GetRequiredElementType(ply, "vertex");
var face = GetRequiredElementType(ply, "face");
VerifySimplePropertiesExist(vertex, "x", "y", "z");
VerifyListPropertiesExist(face, "vertex_indices");
var vertices =
ply.Elements[vertex]
.Select(el => new Point(
(float)el.GetValue("x"),
(float)el.GetValue("y"),
(float)el.GetValue("z")));
var triangles = from el in ply.Elements[face]
let indices = (object[]) el.GetValue("vertex_indices")
select new MeshTriangle((int) indices[0], (int) indices[1], (int) indices[2], null); // HACK
var mesh = new Mesh(vertices, triangles);
using(var outputFile = File.Create(outputFilename)) {
new MeshSerializer().Serialize(outputFile, mesh);
}
}
public BvhNode Build(Mesh mesh)
{
var rootBounds = mesh.GetBoundingBox();
var splitAxis = rootBounds.Extents.LongestAxis;
var splitAxisLength = rootBounds.Extents[splitAxis];
//var splitPlane = splitAxisLength / 2;
//return new BvhNode();
throw new NotImplementedException();
}
public void Serialize(Stream stream, Mesh mesh)
{
var formatter = CreateFormatter();
formatter.Serialize(stream, mesh);
}
public MeshTriangle(int aIndex, int bIndex, int cIndex, Mesh mesh)
{
AIndex = aIndex;
BIndex = bIndex;
CIndex = cIndex;
}