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◆  ~HairMaterialData()

成员函数文档编制

◆  GetCount()

Gets the number of hair material tags.

返回

The hair material count.

◆  GetGuideMaterial()

Gets the material index for the specified hair index i , optionally looking for more materials by specifying prev .

参数

[in]	i	The hair index.
[in]	prev	The index of the previous material of the hair.

返回

The material index, or NOTOK if there are no more materials for the hair.

◆  GetMaterialTag()

Gets the material tag corresponding to the specified hair index i .

参数

[in]

i

The hair index.

返回

The material tag.

◆  ApplyMaterial()

Applies a single material to the specified hair index i .

参数

[in]	i	The hair index.
[in]	guides	The hair guide data.
[in]	vd	The optional volume data.
[in]	vindex	The material index.

返回

true if successful, otherwise false .

◆  ApplyMaterials()

Applies a material to all hairs.

参数

[in]	guides	The hair guide data.
[in]	vd	The optional volume data.
[in]	vindex	The material index.

返回

true if successful, otherwise false .

◆  GetThickness()

Gets the thickness at position t along the specified guide .

参数

[in]	guide	The guide/hair index.
[in]	t	The position along guide/hair: 0 <= t <= 1
[in]	i	Pass NOTOK to use all materials, or a specific material index.

返回

The thickness.

◆  GetColor()

Gets the color at position t along the specified guide .

参数

[in]	guide	The guide/hair index.
[in]	t	The position along guide/hair: 0 <= t <= 1
[in]	r	The root world coordinate.
[in]	wp	The world coordinate of the sampling point.
[in]	p	The UV coordinate.
[in]	n	The surface normal at the root.
[in]	vd	The volume data. Can be nullptr .
[in]	plyid	The global RayHitID for the root.
[in]	i	Pass NOTOK to use all materials, or a specific material index.

返回

The color.

◆  GetBackColor()

Gets the back color at position t along the specified guide .

参数

[in]	guide	The guide/hair index.
[in]	t	The position along guide/hair: 0 <= t <= 1
[in]	col	The color.
[in]	r	The root world coordinate.
[in]	wp	The world coordinate of the sampling point.
[in]	p	The UV coordinate.
[in]	n	The surface normal at the root.
[in]	vd	The volume data. Can be nullptr .
[in]	plyid	The global RayHitID for the root.
[in]	i	Pass NOTOK to use all materials, or a specific material index.

返回

The back color.

◆  GetSpecularColor()

Gets the specular color at position t along the specified guide .

参数

[in]	guide	The guide/hair index.
[in]	t	The position along guide/hair: 0 <= t <= 1
[in]	wp	The world coordinate of the sampling point.
[in]	p	The UV coordinate.
[in]	n	The surface normal at the root.
[in]	vd	The volume data. Can be nullptr .
[in]	plyid	The global RayHitID for the root.
[out]	speccol	Assigned the primary specular color.
[out]	ispeccol	Assigned the secondary specular color.

返回

true if successful, otherwise false .

◆  GetTransparency()

Gets the transparency at position t along the specified guide .

参数

[in]	guide	The guide/hair index.
[in]	t	The position along guide/hair: 0 <= t <= 1
[in]	p	The UV coordinate.
[in]	n	The surface normal at the root.
[in]	vd	The volume data. Can be nullptr .
[in]	i	Pass NOTOK to use all materials, or a specific material index.

返回

The transparency.

◆  GetTagSelection()

Finds out which guides the specified material index i is applied to.

参数

[in]	i	The material index.
[out]	bs	Filled with the guide indices the material is applied to.

返回

true if successful, otherwise false .

◆  GetMaterialData()

Gets the settings of the hair material.

参数

[in]	guide	The guide/hair index.
[out]	shadows	Assigned the shadows strength.
[out]	selfshadows	Assigned the self shadows strength.
[out]	backshadows	Assigned the back shadows strength.
[out]	transparency	Assigned the transparency strength.
[out]	diffuse	Assigned the diffuse value.
[out]	reflect	Assigned the reflectiveness strength.
[out]	transmit	Assigned the translucence strength.
[out]	roughenable	Assigned roughness on/off state.
[out]	roughvar	Assigned the roughness variation strength.
[out]	roughness	Assigned the roughness strength.
[out]	specularenable	Assigned the primary specular on/off state.
[out]	specular	Assigned the primary specular strength.
[out]	specularpower	Assigned the primary specular sharpness strength.
[out]	specularback	Assigned the back specular strength.
[out]	ispecularenable	Assigned the secondary specular on/off state.
[out]	ispecularshader	Assigned the secondary specular shader on/off state.
[out]	ispecular	Assigned the secondary specular strength.
[out]	ispecularpower	Assigned the secondary specular sharpness strength.
[out]	ispecularmix	Assigned the secondary specular mix strength.
[out]	ispecularblend	Assigned the secondary specular blend strength.

返回

true if successful, otherwise false .

◆  GetGIData()

Gets the Global Illumination (GI) settings of the hair material.

参数

[in]	guide	The guide/hair index.
[out]	receive	Assigned the receive GI on/off state.
[out]	strength	Assigned the receive GI strength.

返回

true if successful, otherwise false .

◆  AdjustHUV()

Gets the hair UVs for a specified Hair guide and position along the guide.

参数

[in]	guide	The guide/hair index.
[out]	huv	Assigned the Hair UV coordinates.
[in]	tline	The position along the hair: 0 <= tline <= 1 .

返回

true if successful, otherwise false .

• HairMaterialData