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Prevent pop in soft IK when idling in Leg IK node.

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#rb halfdan.ingvarsson
#JIRA UE-204487

[CL 30788951 by kiaran ritchie in ue5-main branch]
This commit is contained in:
kiaran ritchie
2024-01-22 18:09:29 -05:00
parent 5f98a0707f
commit 3b9a1b5ca7
1 changed files with 3 additions and 1 deletions
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Engine/Source/Runtime/AnimGraphRuntime/Private/BoneControllers/AnimNode_LegIK.cpp
+3 -1
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@@ -413,9 +413,11 @@ bool FAnimNode_LegIK::DoLegReachIK(FAnimLegIKData& InLegData)
// The solver is needed if:
// - Our FK foot is not at the IK goal.
// - We're applying a rotation limit.
// - We're using Soft IK (even if foot is at goal, it may be bent by the soft IK if limb is fully extended)
const bool bUsingSoftIK = SoftPercentLength < 1.0f && SoftAlpha > 0.f;
const bool bFootAtGoal = FootFKLocation.Equals(FootIKLocation, ReachPrecision);
const bool bUsingRotationLimit = InLegData.LegDefPtr->bEnableRotationLimit;
const bool bNeedsSolver = !bFootAtGoal || bUsingRotationLimit;
const bool bNeedsSolver = !bFootAtGoal || bUsingRotationLimit || bUsingSoftIK;
if (!bNeedsSolver && !bHasTwistOffset)
{
return false;