internal void Clear()
 {
     WorldMatrix           = MatrixD.Zero;
     CommonObjectData      = default(MyObjectDataCommon);
     NonVoxelObjectData    = MyObjectDataNonVoxel.Invalid;
     VoxelCommonObjectData = MyObjectDataVoxelCommon.Invalid;
     Mesh             = LodMeshId.NULL;
     MergedMesh       = MyMergedLodMeshId.NULL;
     Instancing       = InstancingId.NULL;
     DepthShaders     = MyMaterialShadersBundleId.NULL;
     Shaders          = MyMaterialShadersBundleId.NULL;
     ForwardShaders   = MyMaterialShadersBundleId.NULL;
     DrawSubmesh      = default(MyDrawSubmesh);
     PerMaterialIndex = 0;
     SectionSubmeshes = null;
     InstanceCount    = 0;
     StartInstance    = 0;
     SkinningMatrices = null;
     Type             = MyMaterialType.OPAQUE;
     Flags            = 0;
     Lod          = 0;
     ObjectBuffer = null;
     Parent       = null;
     Material     = MyStringId.NullOrEmpty;
 }
 internal void Clear()
 {
     WorldMatrix = MatrixD.Zero;
     CommonObjectData = default(MyObjectDataCommon);
     NonVoxelObjectData = MyObjectDataNonVoxel.Invalid;
     VoxelCommonObjectData = MyObjectDataVoxelCommon.Invalid;
     Mesh = LodMeshId.NULL;
     MergedMesh = MyMergedLodMeshId.NULL;
     Instancing = InstancingId.NULL;
     DepthShaders = MyMaterialShadersBundleId.NULL;
     Shaders = MyMaterialShadersBundleId.NULL;
     ForwardShaders = MyMaterialShadersBundleId.NULL;
     DrawSubmesh = default(MyDrawSubmesh);
     PerMaterialIndex = 0;
     SectionSubmeshes = null;
     InstanceCount = 0;
     StartInstance = 0;
     SkinningMatrices = null;
     Type = MyMaterialType.OPAQUE;
     Flags = 0;
     Lod = 0;
     ObjectBuffer = null;
     Parent = null;
     Material = MyMeshMaterialId.NULL;
     UnusedMaterials = UnusedMaterials ?? new HashSet<string>();
     UnusedMaterials.Clear();
 }