public RenderableModel Add(WavefrontModel model)
{
List <Vertex> vertices = new List <Vertex>();
List <uint> indices = new List <uint>();
foreach (var face in model.Faces)
{
indices.Add((uint)indices.Count);
Vector3 color = new Vector3(model.Normals[face.a.n - 1]);
color.X = Math.Abs(color.X);
color.Y = Math.Abs(color.Y);
color.Z = Math.Abs(color.Z);
vertices.Add(new Vertex(model.Vertices[face.a.v - 1], color, model.Normals[face.a.n - 1]));
}
RenderableModel renderableModel = new RenderableModel(vertices.ToArray(), indices.ToArray(), ShaderLayout_Position, ShaderLayout_Color, ShaderLayout_Normal);
this.Disposables.Add(renderableModel);
return(renderableModel);
}
public WavefrontModel Load(string[] lines)
{
WavefrontModel result = new WavefrontModel();
//List<Vector3> vertices = new List<Vector3>();
//List<Vector3> normals = new List<Vector3>();
foreach (string line in lines)
{
if (line.StartsWith("v "))
{
result.Vertices.Add(LineToVector(line));
}
else if (line.StartsWith("vn "))
{
result.Normals.Add(LineToVector(line));
}
else if (line.StartsWith("f "))
{
Match match = FacePattern.Match(line);
if (match.Success)
{
int a1 = int.Parse(match.Groups[1].Value, CultureInfo.InvariantCulture);
int a2 = int.Parse(match.Groups[2].Value, CultureInfo.InvariantCulture);
int a3 = int.Parse(match.Groups[3].Value, CultureInfo.InvariantCulture);
int b1 = int.Parse(match.Groups[4].Value, CultureInfo.InvariantCulture);
int b2 = int.Parse(match.Groups[5].Value, CultureInfo.InvariantCulture);
int b3 = int.Parse(match.Groups[6].Value, CultureInfo.InvariantCulture);
int c1 = int.Parse(match.Groups[7].Value, CultureInfo.InvariantCulture);
int c2 = int.Parse(match.Groups[8].Value, CultureInfo.InvariantCulture);
int c3 = int.Parse(match.Groups[9].Value, CultureInfo.InvariantCulture);
var face = new WavefrontModel.Face();
face.a.v = a1;
face.a.t = a2;
face.a.n = a3;
result.Faces.Add(face);
face = new WavefrontModel.Face();
face.a.v = b1;
face.a.t = b2;
face.a.n = b3;
result.Faces.Add(face);
face = new WavefrontModel.Face();
face.a.v = c1;
face.a.t = c2;
face.a.n = c3;
result.Faces.Add(face);
//resultIndices.Add((uint)resultVertices.Count);
//resultVertices.Add(new Vertex(vertices[a1 - 1], normals[a3 - 1], normals[a3 - 1]));
//resultIndices.Add((uint)resultVertices.Count);
//resultVertices.Add(new Vertex(vertices[b1 - 1], normals[b3 - 1], normals[b3 - 1]));
//resultIndices.Add((uint)resultVertices.Count);
//resultVertices.Add(new Vertex(vertices[c1 - 1], normals[c3 - 1], normals[c3 - 1]));
}
else
{
throw new Exception();
}
}
else if (line.StartsWith("vn "))
{
}
}
return(result);
}