public static byte[] ToGlb(this VrmLib.Model model)
{
// export vrm-1.0
var exporter10 = new Vrm10Exporter();
var option = new VrmLib.ExportArgs
{
// vrm = false
};
var glbBytes10 = exporter10.Export(model, option);
var glb10 = UniGLTF.Glb.Parse(glbBytes10);
return(glb10.ToBytes());
}
public static byte[] ToGlb(this VrmLib.Model model)
{
// export vrm-1.0
var exporter10 = new Vrm10Exporter(_ => false);
var option = new VrmLib.ExportArgs
{
// vrm = false
};
exporter10.Export(null, model, null, option);
var glb10 = UniGLTF.Glb.Parse(exporter10.Storage.ToBytes());
return(glb10.ToBytes());
}
public static byte[] Export(this Vrm10Exporter exporter, Model m, ExportArgs option)
{
exporter.ExportAsset(m);
///
/// 必要な容量を先に確保
/// (sparseは考慮してないので大きめ)
///
{
var reserveBytes = 0;
// mesh
foreach (var g in m.MeshGroups)
{
foreach (var mesh in g.Meshes)
{
// 頂点バッファ
reserveBytes += mesh.IndexBuffer.ByteLength;
foreach (var kv in mesh.VertexBuffer)
{
reserveBytes += kv.Value.ByteLength;
}
// morph
foreach (var morph in mesh.MorphTargets)
{
foreach (var kv in morph.VertexBuffer)
{
reserveBytes += kv.Value.ByteLength;
}
}
}
}
exporter.Reserve(reserveBytes);
}
// mesh
exporter.ExportMeshes(m.MeshGroups, m.Materials, option);
// node
exporter.ExportNodes(m.Root, m.Nodes, m.MeshGroups, option);
return(exporter.ToBytes());
}