55 lines
2.1 KiB
Ucode
55 lines
2.1 KiB
Ucode
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/**
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* CCD IK or "Cyclic-Coordinate Descent Inverse kinematics"
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*
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* Copyright 1998-2013 Epic Games, Inc. All Rights Reserved.
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*/
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class SkelControl_CCD_IK extends SkelControlBase
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native(Anim);
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/** Where you want the controlled bone to be. Will be placed as close as possible within the constraints of the limb. */
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var(Effector) vector EffectorLocation;
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/** Reference frame that the DesiredLocation is defined in. */
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var(Effector) EBoneControlSpace EffectorLocationSpace;
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/** Name of bone used if DesiredLocationSpace is BCS_OtherBoneSpace. */
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var(Effector) name EffectorSpaceBoneName;
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/** Translation from bone */
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var(Effector) vector EffectorTranslationFromBone;
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/** Number of bones above the active one in the hierarchy to modify and apply CCD IK. */
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var(CCD) int NumBones;
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/** Loop MaxPerBoneIterations per bone in the chain. */
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var(CCD) INT MaxPerBoneIterations;
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/** Iterations count for last render. Read only. */
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var const INT IterationsCount;
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/** Error tolerance to consider IK Target reached, in squared units. */
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var(CCD) FLOAT Precision;
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/** By default CCD starts at end of chain and goes backwards. If TRUE, do the opposite. */
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var(CCD) bool bStartFromTail;
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/** Joint Angle Constraint */
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var(CCD) const Array<FLOAT> AngleConstraint;
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/** Max Angle Steps */
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var(CCD) FLOAT MaxAngleSteps;
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/** if TRUE, skip update when turn is negligible. */
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var(CCD) bool bNoTurnOptimization;
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cpptext
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{
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// USkelControlBase interface
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virtual void GetAffectedBones(INT BoneIndex, USkeletalMeshComponent* SkelComp, TArray<INT>& OutBoneIndices);
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virtual void CalculateNewBoneTransforms(INT BoneIndex, USkeletalMeshComponent* SkelComp, TArray<FBoneAtom>& OutBoneTransforms);
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virtual INT GetWidgetCount();
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virtual FBoneAtom GetWidgetTM(INT WidgetIndex, USkeletalMeshComponent* SkelComp, INT BoneIndex);
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virtual void HandleWidgetDrag(INT WidgetIndex, const FVector& DragVec);
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}
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defaultproperties
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{
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EffectorLocationSpace=BCS_WorldSpace
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NumBones=2
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MaxPerBoneIterations=3
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MaxAngleSteps=0.4f
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Precision=0.1f
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} |