public void Push(SkinnedMeshRenderer renderer) { var mesh = renderer.sharedMesh; if (mesh == null) { Debug.LogWarningFormat("{0} has no mesh", renderer.name); return; } Renderers.Add(renderer); var indexOffset = Positions.Count; var boneIndexOffset = Bones.Count; Positions.AddRange(mesh.vertices); Normals.AddRange(mesh.normals); UV.AddRange(mesh.uv); Tangents.AddRange(mesh.tangents); if (mesh.vertexCount == mesh.boneWeights.Length) { BoneWeights.AddRange(mesh.boneWeights.Select(x => AddBoneIndexOffset(x, boneIndexOffset)).ToArray()); } else { BoneWeights.AddRange(Enumerable.Range(0, mesh.vertexCount).Select(x => new BoneWeight()).ToArray()); } BindPoses.AddRange(mesh.bindposes); Bones.AddRange(renderer.bones); for (int i = 0; i < mesh.subMeshCount; ++i) { var indices = mesh.GetIndices(i).Select(x => x + indexOffset); var mat = renderer.sharedMaterials[i]; var sameMaterialSubMeshIndex = SubMeshes.FindIndex(x => ReferenceEquals(x.Material, mat)); if (sameMaterialSubMeshIndex >= 0) { SubMeshes[sameMaterialSubMeshIndex].Indices.AddRange(indices); } else { SubMeshes.Add(new SubMesh { Indices = indices.ToList(), Material = mat, }); } } for (int i = 0; i < mesh.blendShapeCount; ++i) { var positions = (Vector3[])mesh.vertices.Clone(); var normals = (Vector3[])mesh.normals.Clone(); var tangents = mesh.tangents.Select(x => (Vector3)x).ToArray(); mesh.GetBlendShapeFrameVertices(i, 0, positions, normals, tangents); BlendShapes.Add(new BlendShape { VertexOffset = indexOffset, FrameWeight = mesh.GetBlendShapeFrameWeight(i, 0), Name = mesh.GetBlendShapeName(i), Positions = positions, Normals = normals, Tangents = tangents, }); } }