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MeshAnimationAttachment Class

A mesh attachment store per-vertex animations for a particular frame. You may think of this as a 'patch' for the host mesh, since the mesh attachment replaces only certain vertex data streams at a particular time. Each mesh stores 'n' attached meshes. The actual relationship between the time line and mesh attachments is established by the mesh animation channel, which references singular mesh attachments by their ID and binds them to a time offset.
Inheritance Hierarchy
SystemObject
  Internal.AssimpMeshAnimationAttachment

Namespace: Internal.Assimp
Assembly: NeoAxis.Core (in NeoAxis.Core.dll) Version: 2026.2.1.0 (2026.2.1.0)
Syntax
C#
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public sealed class MeshAnimationAttachment : IMarshalable<MeshAnimationAttachment, AiAnimMesh>

The MeshAnimationAttachment type exposes the following members.

Constructors
 NameDescription
Public methodMeshAnimationAttachment Constructs a new instance of the MeshAnimationAttachment class.
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Properties
 NameDescription
Public propertyBiTangents Gets the vertex bitangent list.
Public propertyHasNormals Checks whether the attachment mesh overrides the vertex normals of its host mesh.
Public propertyHasTangentBasis Checks whether the attachment mesh overrides the vertex tangents and bitangents of its host mesh.
Public propertyHasVertices Checks whether the attachment mesh overrides the vertex positions of its host mesh.
Public propertyName Gets or sets the mesh animation name.
Public propertyNormals Gets the vertex normal list.
Public propertyTangents Gets the vertex tangent list.
Public propertyTextureCoordinateChannelCount Gets the number of valid texture coordinate channels contained in the mesh (list is not empty/not null). This can be a value between zero and the maximum texture coordinate count. Each individual channel should be the size of VertexCount.
Public propertyTextureCoordinateChannels Gets the array that contains each texture coordinate channel that override a specific channel in the host mesh, by default all are lists of zero (but can be set to null). Each index in the array corresponds to the texture coordinate channel. The length of the array corresponds to Assimp's maximum UV channel limit.
Public propertyVertexColorChannelCount Gets the number of valid vertex color channels contained in the mesh (list is not empty/not null). This can be a value between zero and the maximum vertex color count. Each individual channel should be the size of VertexCount.
Public propertyVertexColorChannels Gets the array that contains each vertex color channels that override a specific channel in the host mesh, by default all are lists of zero (but can be set to null). Each index in the array corresponds to the texture coordinate channel. The length of the array corresponds to Assimp's maximum vertex color channel limit.
Public propertyVertexCount Gets the number of vertices in this mesh. This is a replacement for the host mesh's vertex count. Likewise, a mesh attachment cannot add or remove per-vertex attributes, therefore the existance of vertex data will match the existance of data in the mesh.
Public propertyVertices Gets the vertex position list.
Public propertyWeight Gets or sets the weight of the mesh animation.
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Methods
 NameDescription
Public methodEqualsDetermines whether the specified object is equal to the current object.
(Inherited from Object)
Public methodStatic memberFreeNative Frees unmanaged memory created by ToNative(IntPtr, Native).
Public methodGetHashCodeServes as the default hash function.
(Inherited from Object)
Public methodGetTypeGets the Type of the current instance.
(Inherited from Object)
Public methodHasTextureCoords Checks if the mesh attachment overrides a particular set of texture coordinates on the host mesh. This returns false if the list is null or empty. The index is between zero and the maximum number of texture coordinate channels.
Public methodHasVertexColors Checks if the mesh attachment overrides a particular set of vertex colors on the host mesh. This returns false if the list is null or empty. The index is between zero and the maximumb number of vertex color channels.
Public methodToStringReturns a string that represents the current object.
(Inherited from Object)
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Extension Methods
 NameDescription
Public Extension MethodMethodInvoke Calls the object method by name.
(Defined by ObjectEx)
Public Extension MethodPropertyGet Gets the value of the object property by name.
(Defined by ObjectEx)
Public Extension MethodPropertyGetT Gets the value of the object property by name.
(Defined by ObjectEx)
Public Extension MethodPropertySet Sets the value of the object property by name.
(Defined by ObjectEx)
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See Also