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API > API/Runtime > API/Runtime/AnimGraphRuntime > API/Runtime/AnimGraphRuntime/BoneControllers
Inheritance Hierarchy
- FAnimNode_Base
- FAnimNode_SkeletalControlBase
- FAnimNode_TwoBoneIK
References
| Module | AnimGraphRuntime |
| Header | /Engine/Source/Runtime/AnimGraphRuntime/Public/BoneControllers/AnimNode_TwoBoneIK.h |
| Include | #include "BoneControllers/AnimNode_TwoBoneIK.h" |
Syntax
struct FAnimNode_TwoBoneIK : public FAnimNode_SkeletalControlBase
Remarks
Simple 2 Bone IK Controller.
Variables
| Type | Name | Description | |
|---|---|---|---|
 |
uint8: 1 | bAllowStretching | Should stretching be allowed, to be prevent over extension |
 |
uint8: 1 | bAllowTwist | Whether or not to apply twist on the chain of joints. |
 |
uint8: 1 | bMaintainEffectorRelRot | Keep local rotation of end bone |
 |
uint8: 1 | bTakeRotationFromEffectorSpace | Set end bone to use End Effector rotation |
 |
FCompactPoseBoneIndex | CachedLowerLimbIndex | Cached limb index for lower |
 |
FCompactPoseBoneIndex | CachedUpperLimbIndex | Cached limb index for upper |
 |
FVector | EffectorLocation | Effector Location. Target Location to reach. |
 |
TEnumAsByte< enum EBoneControlSpace > | EffectorLocationSpace | Reference frame of Effector Location. |
 |
FBoneSocketTarget | EffectorTarget | |
 |
FBoneReference | IKBone | Name of bone to control. This is the main bone chain to modify from. |
 |
FBoneSocketTarget | JointTarget | |
 |
FVector | JointTargetLocation | Joint Target Location. Location used to orient Joint bone. |
 |
TEnumAsByte< enum EBoneControlSpace > | JointTargetLocationSpace | Reference frame of Joint Target Location. |
 |
double | MaxStretchScale | Limits to use if stretching is allowed. |
 |
double | StartStretchRatio | Limits to use if stretching is allowed. |
 |
FAxis | TwistAxis | Specify which axis it's aligned. Used when removing twist |
Constructors
| Type | Name | Description | |
|---|---|---|---|
 |
Functions
| Type | Name | Description | |
|---|---|---|---|
  |
void | ConditionalDebugDraw
(
FPrimitiveDrawInterface* PDI, |
|
  |
FTransform | GetTargetTransform
(
const FTransform& InComponentTransform, |
Overridden from FAnimNode_SkeletalControlBase
| Type | Name | Description | |
|---|---|---|---|
  |
void | EvaluateSkeletalControl_AnyThread
(
FComponentSpacePoseContext& Output, |
Evaluate the new component-space transforms for the affected bones. |
  |
bool | IsValidToEvaluate
(
const USkeleton* Skeleton, |
Return true if it is valid to Evaluate |
Overridden from FAnimNode_Base
| Type | Name | Description | |
|---|---|---|---|
  |
void | GatherDebugData
(
FNodeDebugData& DebugData |
Called to gather on-screen debug data. This is called on the game thread. |
  |
void | Initialize_AnyThread
(
const FAnimationInitializeContext& Context |
Called when the node first runs. |
Deprecated Variables
| Type | Name | Description | |
|---|---|---|---|
 |
bool | bNoTwist_DEPRECATED | Whether or not to apply twist on the chain of joints. |
 |
FName | EffectorSpaceBoneName_DEPRECATED | If EffectorLocationSpace is a bone, this is the bone to use. |
 |
FName | JointTargetSpaceBoneName_DEPRECATED | If JointTargetSpaceBoneName is a bone, this is the bone to use. |
 |
FVector2D | StretchLimits_DEPRECATED | Limits to use if stretching is allowed - old property DEPRECATED |