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◆  ~HairGuides()

成员函数文档编制

◆  Alloc()

Allocates a hair guides helper. Destroy the allocated hair guides helper with Free() 。使用 AutoAlloc to automate the allocation and destruction based on scope.

参数

[in]	count	The number of guides.
[in]	segments	The number of segments per guide.

返回

The allocated hair guides helper, or nullptr if the allocation failed.

◆  Free()

Destructs hair guides helpers allocated with Alloc() 。使用 AutoAlloc to automate the allocation and destruction based on scope.

参数

[in,out]

guides

The hair guides helper to destruct. If the pointer is nullptr nothing happens. The pointer is assigned nullptr afterwards.

◆  GetCount()

Gets the number of guides.

返回

The guide count.

◆  GetSegmentCount()

Gets the number of segments per guide.

注意

The number of points is GetSegmentCount() + 1 .

返回

The segment count.

◆  GetPointCount()

Gets the total number of points for all guides.

返回

The point count.

◆  GetGuidePointCount()

Gets the number of points per segment i.e. GetSegmentCount() + 1 .

返回

The number of points per segment.

◆  GetPoints()

Retrieves a pointer to the point vectors for the guides.

返回

The points array.

◆  GetDynamics()

Gets the dynamics.

返回

The dynamics. Can be nullptr .

◆  GetMg()

Gets the global matrix.

返回

The global matrix.

◆  SetMg()

Sets the global matrix.

参数

[in]

mg

The new global matrix.

◆  GetRoot()

Gets the root data for the specified guide index .

参数

[in]

index

The guide index: 0 <= index < GetCount()

返回

The root data.

◆  SetRoot()

Sets the root data for the specified guide index .

参数

[in]	index	The guide index: 0 <= index < GetCount()
[in]	root	The new root data.
[in]	update	若 true then an update is made.

◆  GetObject()

Gets the corresponding hair object.

返回

The hair object.

◆  GetSelected()

Gets the selection state.

参数

[in]	mode	The selection mode: HAIR_MODE
[out]	select	Assigned the selection.

返回

true if successful, otherwise false .

◆  SetSelected()

Sets the selection state.

参数

[in]	mode	The selection mode: HAIR_MODE
[out]	select	The new selection.

返回

true if successful, otherwise false .

◆  ConvertSelection()

Converts selection state.

参数

[in]	from_mode	The source selection mode: HAIR_MODE
[in]	to_mode	The destination selection mode: HAIR_MODE
[in]	from_select	The source selection.
[out]	to_select	The destination selection.

返回

true if successful, otherwise false .

◆  CopyFrom()

Copies the guide data from src .

参数

[in]

src

The source hair guides helper.

返回

true if successful, otherwise false .

◆  GetTangent()

Gets the tangent of guide at segment and t .

参数

[in]	guide	The guide index: 0 <= guide < GetCount()
[in]	segment	The segment index: 0 <= segment < GetSegmentCount()
[in]	t	The T coordinate.

返回

The tangent.

◆  CreateSpline()

Creates splines from the guides.

返回

The created spline object.

◆  ToLocal()

Changes all the points for the guides into a local coordinate system.

◆  ToWorld()

Changes all the points for the guides into the world coordinate system.

◆  ToInitial()

Changes the coordinate space and transforms the points back to their initial state.
This is useful when applying coordinate Dependant changes to the points, by moving them back to an initial state the changes are not affecting when the guide roots move due to animation.

参数

[in]

align

若 true the guides are rotated from their root back to their initial orientation.

◆  DisplaceRoots()

Used when HNs have affected the guide roots. Call DisplaceRoots() and it will ensure they are in the correct displaced state for HNs, UndisplaceRoots() will make sure they are not.
Generally not needed if using ToInitial() , as the initial state is undisplaced.

◆  UndisplaceRoots()

另请参阅

DisplaceRoots()

◆  GetRootAxis()

Gets the root axis of guide index .

参数

[in]	index	The guide index: 0 <= index < GetCount()
[out]	m	Filled with the root axis.
[in]	bAlign	Aligned.
[in]	bLocal	Local.
[in]	bInitial	Initial.
[in]	bZAxis	若 true then the alignment is done along the Z axis, otherwise it is Y.

返回

true if successful, otherwise false .

◆  GetRootUV()

Gets the root UV for guide index .

参数

[in]

index

The guide index: 0 <= index < GetCount()

返回

The root UV.

◆  GetRootData()

Gets the root data.

参数

[in]	index	The guide index: 0 <= index < GetCount()
[out]	p	Assigned the point.
[out]	n	Assigned the normal.
[out]	ply_id	Assigned the polygon ID..
[in]	bLocal	Local.
[in]	bDisplaced	Displaced.
[in]	bInitial	Initial.

返回

true if successful, otherwise false .

◆  GetTransformMatrix()

Gets the transformation matrix array.

返回

The transformation matrix array. Each matrix element is an axis at the root of each guide.
Needs to be freed with DeleteMem() afterwards.

◆  SetTransformMatrix()

Sets a new array of transformation matrices.

参数

[in]

tm

The new transformation matrix array. Each matrix element is an axis at the root of each guide.

◆  Delete()

Deletes the guide selection.

参数

[out]

bs

The selection to delete.

返回

true if successful, otherwise false .

◆  AddRoot()

Adds a root.

注意

Invalidates any pointers or arrays returned before as the guides will have changed.

参数

[in]	ply_id	The polygon ID.
[in]	s	The S coordinate.
[in]	t	The T coordinate.
[in]	len	The length.

返回

true if successful, otherwise false .

◆  GetRootObject()

Gets the root object data.

参数

[out]

pData

Filled with the root object data.

返回

true if successful, otherwise false .

◆  LinkToObject()

Links this to a specific HairObject .

参数

[in]

pHair

A hair object.

返回

true if successful, otherwise false .

◆  GetFlags()

Gets the flags.

返回

The flags: HAIR_GUIDE_FLAGS

◆  SetFlags()

Sets the flags.

参数

[in]

flags

The new flags: HAIR_GUIDE_FLAGS

返回

The old flags.

• HairGuides