public static Model Load(string name, Bvh.Bvh bvh)
{
var model = CreateFromBvh(bvh.Root);
// estimate skeleton
var skeleton = SkeletonEstimator.Detect(model.Root);
if (skeleton == null)
{
throw new Exception("fail to estimate skeleton");
}
// foot to zero
var minY = model.Nodes.Min(x => x.Translation.Y);
var hips = model.Nodes.First(x => x.HumanoidBone == HumanoidBones.hips);
if (model.Root.Children.Count != 1)
{
throw new Exception();
}
if (model.Root.Children[0] != hips)
{
throw new Exception();
}
hips.Translation -= new Vector3(0, minY, 0);
// normalize scale
var pos = hips.Translation;
var factor = 1.0f;
if (pos.Y != 0)
{
factor = 1.0f / pos.Y;
foreach (var x in hips.Traverse())
{
x.LocalTranslation *= factor;
}
hips.Translation = new Vector3(pos.X, 1.0f, pos.Z);
}
// animation
model.Animations.Add(LoadAnimation(name, bvh, model, factor));
// add origin
var origin = new Node("origin");
origin.Add(model.Root.Children[0]);
model.Nodes.Add(origin);
model.Root.Add(origin);
return(model);
}
public static string HumanoidBoneEstimate(this Model model)
{
var sb = new System.Text.StringBuilder();
sb.Append("HumanoidBoneEstimate: ");
// estimate skeleton
var skeleton = SkeletonEstimator.Detect(model.Root);
if (skeleton == null)
{
return("fail to estimate skeleton");
}
// rename bone
foreach (var kv in skeleton)
{
kv.Value.Name = kv.Key.ToString();
}
if (model.Vrm == null)
{
sb.Append("add vrm humanoid");
model.Vrm = new Vrm(new Meta
{
}, "UniVRM-0.51.0", "0.0");
}
else
{
}
StringBuilder(sb, skeleton[HumanoidBones.hips]);
foreach (var skin in model.Skins)
{
if (skin.Root == null)
{
skin.Root = (Node)skeleton[HumanoidBones.hips].Parent;
sb.Append($"{skin}: set {skin.Root}\n");
}
else
{
sb.Append($"{skin}: {skin.Root}\n");
}
}
return(sb.ToString());;
}
