private static RenderVertex[] GetVertices(FileFormatWavefront.FileLoadResult <FileFormatWavefront.Model.Scene> result)
{
// TODO: Groups?
var vertices = new RenderVertex[result.Model.UngroupedFaces.Count * 3];
int i = 0;
foreach (var face in result.Model.UngroupedFaces)
{
foreach (var index in face.Indices)
{
vertices[i] = GetVertex(result, index);
i++;
}
}
return(vertices);
}
private static RenderVertex GetVertex(FileFormatWavefront.FileLoadResult <FileFormatWavefront.Model.Scene> result, FileFormatWavefront.Model.Index index)
{
var position = new Vector3(result.Model.Vertices[index.vertex].x, result.Model.Vertices[index.vertex].y, result.Model.Vertices[index.vertex].z);
var normal = Vector3.Zero;
if (index.normal != null)
{
normal = new Vector3(result.Model.Normals[(int)index.normal].x, result.Model.Normals[(int)index.normal].y, result.Model.Normals[(int)index.normal].z);
}
var texCoord = Vector2.Zero;
if (index.uv != null)
{
texCoord = new Vector2(result.Model.Uvs[(int)index.uv].u, result.Model.Uvs[(int)index.uv].v);
}
return(new RenderVertex(position, normal, texCoord));
}