Interface IGltfWritable

Is able to receive asset resources and export them to glTF

Namespace: GLTFast.Export

Syntax

public interface IGltfWritable

Methods

AddCamera(Camera, out Int32)

Creates a glTF camera based on a Unity camera

Declaration

bool AddCamera(Camera uCamera, out int cameraId)

Parameters

Type	Name	Description
Camera	uCamera	Unity camera
Int32	cameraId	glTF camera index

Returns

Type	Description
Boolean	True if camera was successfully created, false otherwise

AddCameraToNode(Int32, Int32)

Assigns a camera to a previously added node

Declaration

void AddCameraToNode(int nodeId, int cameraId)

Parameters

Type	Name	Description
Int32	nodeId	Index of the node to add the mesh to
Int32	cameraId	glTF camera ID to be assigned

AddImage(ImageExportBase)

Adds an ImageExport to the glTF and returns the resulting image index

Declaration

int AddImage(ImageExportBase imageExport)

Parameters

Type	Name	Description
ImageExportBase	imageExport	Image to be exported

Returns

Type	Description
Int32	glTF image index

AddLight(Light, out Int32)

Creates a glTF light based on a Unity light Uses the KHR_lights_punctual extension.

Declaration

bool AddLight(Light uLight, out int lightId)

Parameters

Type	Name	Description
Light	uLight	Unity light
Int32	lightId	glTF light index

Returns

Type	Description
Boolean	True if light was successfully created, false otherwise

AddLightToNode(Int32, Int32)

Assigns a light to a previously added node

Declaration

void AddLightToNode(int nodeId, int lightId)

Parameters

Type	Name	Description
Int32	nodeId	Index of the node to add the mesh to
Int32	lightId	glTF light ID to be assigned

AddMaterial(Material, out Int32, IMaterialExport)

Adds a Unity material

Declaration

bool AddMaterial(Material uMaterial, out int materialId, IMaterialExport materialExport)

Parameters

Type	Name	Description
Material	uMaterial	Unity material
Int32	materialId	glTF material index
IMaterialExport	materialExport	Material converter

Returns

Type	Description
Boolean	True if converting and adding material was successful, false otherwise

AddMeshToNode(Int32, Mesh, Int32[])

Assigns a mesh to a previously added node

Declaration

void AddMeshToNode(int nodeId, Mesh uMesh, int[] materialIds)

Parameters

Type	Name	Description
Int32	nodeId	Index of the node to add the mesh to
Mesh	uMesh	Unity mesh to be assigned and exported
Int32[]	materialIds	glTF materials IDs to be assigned (multiple in case of sub-meshes)

AddNode(Nullable<float3>, Nullable<quaternion>, Nullable<float3>, UInt32[], String)

Adds a node to the glTF

Declaration

uint AddNode(float3? translation = null, quaternion? rotation = null, float3? scale = null, uint[] children = null, string name = null)

Parameters

Type	Name	Description
Nullable<float3>	translation	Local translation of the node (in Unity-space)
Nullable<quaternion>	rotation	Local rotation of the node (in Unity-space)
Nullable<float3>	scale	Local scale of the node (in Unity-space)
UInt32[]	children	Array of node indices that are parented to this newly created node
String	name	Name of the node

Returns

Type	Description
UInt32	glTF node index

AddSampler(FilterMode, TextureWrapMode, TextureWrapMode)

Creates a glTF sampler based on Unity filter and wrap settings

Declaration

int AddSampler(FilterMode filterMode, TextureWrapMode wrapModeU, TextureWrapMode wrapModeV)

Parameters

Type	Name	Description
FilterMode	filterMode	Texture filter mode
TextureWrapMode	wrapModeU	Texture wrap mode in U direction
TextureWrapMode	wrapModeV	Texture wrap mode in V direction

Returns

Type	Description
Int32	glTF sampler index or -1 if no sampler is required

AddScene(UInt32[], String)

Adds a scene to the glTF

Declaration

uint AddScene(uint[] nodes, string name = null)

Parameters

Type	Name	Description
UInt32[]	nodes	Root level nodes
String	name	Name of the scene

Returns

Type	Description
UInt32	glTF scene index

AddTexture(Int32, Int32)

Creates a glTF texture from with a given image index

Declaration

int AddTexture(int imageId, int samplerId)

Parameters

Type	Name	Description
Int32	imageId	glTF image index returned by AddImage(ImageExportBase)
Int32	samplerId	glTF sampler index returned by AddSampler(FilterMode, TextureWrapMode, TextureWrapMode)

Returns

Type	Description
Int32	glTF texture index

RegisterExtensionUsage(Extension, Boolean)

Registers the use of a glTF extension

Declaration

void RegisterExtensionUsage(Extension extension, bool required = true)

Parameters

Type	Name	Description
Extension	extension	Extension's name
Boolean	required	True if extension is required and used. False if it's used only

SaveToFileAndDispose(String)

Exports the collected scenes/content as glTF, writes it to a file and disposes this object. After the export this instance cannot be re-used!

Declaration

Task<bool> SaveToFileAndDispose(string path)

Parameters

Type	Name	Description
String	path	glTF destination file path

Returns

Type	Description
Task<Boolean>	True if the glTF file was created successfully, false otherwise

SaveToStreamAndDispose(Stream)

Exports the collected scenes/content as glTF, writes it to a Stream and disposes this object. Only works for self-contained glTF-Binary. After the export this instance cannot be re-used!

Declaration

Task<bool> SaveToStreamAndDispose(Stream stream)

Parameters

Type	Name	Description
Stream	stream	glTF destination stream

Returns

Type	Description
Task<Boolean>	True if the glTF file was created successfully, false otherwise