Leahnaya/UniVRM
1
0
Fork 0
mirror of https://github.com/vrm-c/UniVRM.git synced 2026-05-27 13:32:46 -05:00
Code Issues Actions 1 Packages Projects Releases Wiki Activity

Merge pull request #173 from dwango/calc_inverseBindMatrices_if_not_exists

Browse Source 
Calculate inverseBindMatrices(Mesh.bindposes) in SkinnedMeshRenderer.…
This commit is contained in:
yutopp 2019-02-05 17:20:56 +09:00 committed by GitHub
commit 76bc9427da
No known key found for this signature in database
GPG Key ID: 4AEE18F83AFDEB23
1 changed files with 31 additions and 23 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

54
Assets/VRM/UniGLTF/Scripts/IO/NodeImporter.cs
View File

@ -164,40 +164,48 @@ namespace UniGLTF
if (x.SkinIndex.Value < context.GLTF.skins.Count)
{
var skin = context.GLTF.skins[x.SkinIndex.Value];
// calculate internal values(boudingBox etc...) when sharedMesh assinged ?
skinnedMeshRenderer.sharedMesh = null;
var skin = context.GLTF.skins[x.SkinIndex.Value];
var joints = skin.joints.Select(y => nodes[y].Transform).ToArray();
skinnedMeshRenderer.bones = joints;
if (joints.Any())
{
// have bones
skinnedMeshRenderer.bones = joints;
if (skin.inverseBindMatrices != -1)
{
var bindPoses = context.GLTF.GetArrayFromAccessor<Matrix4x4>(skin.inverseBindMatrices)
.Select(y => y.ReverseZ())
.ToArray()
;
mesh.bindposes = bindPoses;
}
else
{
//
// calc default matrices
// https://docs.unity3d.com/ScriptReference/Mesh-bindposes.html
//
var meshCoords = skinnedMeshRenderer.transform; // ?
var calculatedBindPoses = joints.Select(y => y.worldToLocalMatrix * meshCoords.localToWorldMatrix).ToArray();
mesh.bindposes = calculatedBindPoses;
}
}
else
{
// BlendShape only ?
}
skinnedMeshRenderer.sharedMesh = mesh;
if (skin.skeleton >= 0 && skin.skeleton < nodes.Count)
{
skinnedMeshRenderer.rootBone = nodes[skin.skeleton].Transform;
}
if (skin.inverseBindMatrices != -1)
{
// BlendShape only ?
#if false
// https://docs.unity3d.com/ScriptReference/Mesh-bindposes.html
var hipsParent = nodes[0].Transform;
var calculatedBindPoses = joints.Select(y => y.worldToLocalMatrix * hipsParent.localToWorldMatrix).ToArray();
mesh.bindposes = calculatedBindPoses;
#else
var bindPoses = context.GLTF.GetArrayFromAccessor<Matrix4x4>(skin.inverseBindMatrices)
.Select(y => y.ReverseZ())
.ToArray()
;
mesh.bindposes = bindPoses;
#endif
}
skinnedMeshRenderer.sharedMesh = mesh;
}
}
}
}
}
}