BulletSim: reduce avatar walking stopped threshold.

Add parameter for setting the walking stopped threshold.

This fixes the slight jump when an avatar stops walking.

2 files changed, 4 insertions, 0 deletions

diff --git a/OpenSim/Region/Physics/BulletSPlugin/BSActorAvatarMove.cs b/OpenSim/Region/Physics/BulletSPlugin/BSActorAvatarMove.cs
index 8ca55e5..1bcf879 100755
--- a/OpenSim/Region/Physics/BulletSPlugin/BSActorAvatarMove.cs
+++ b/OpenSim/Region/Physics/BulletSPlugin/BSActorAvatarMove.cs
@@ -128,6 +128,7 @@ public class BSActorAvatarMove : BSActor
                                                 BSMotor.Infinite,           // decay time scale
                                                 1f                          // efficiency
             );
+            m_velocityMotor.ErrorZeroThreshold = BSParam.AvatarStopZeroThreshold;
             // _velocityMotor.PhysicsScene = PhysicsScene; // DEBUG DEBUG so motor will output detail log messages.
             SetVelocityAndTarget(m_controllingPrim.RawVelocity, m_controllingPrim.TargetVelocity, true /* inTaintTime */);
 
diff --git a/OpenSim/Region/Physics/BulletSPlugin/BSParam.cs b/OpenSim/Region/Physics/BulletSPlugin/BSParam.cs
index 2f1799b..43aa63e 100755
--- a/OpenSim/Region/Physics/BulletSPlugin/BSParam.cs
+++ b/OpenSim/Region/Physics/BulletSPlugin/BSParam.cs
@@ -134,6 +134,7 @@ public static class BSParam
     public static float AvatarHeightMidFudge { get; private set; }
     public static float AvatarHeightHighFudge { get; private set; }
         public static float AvatarContactProcessingThreshold { get; private set; }
+    public static float AvatarStopZeroThreshold { get; private set; }
         public static int AvatarJumpFrames { get; private set; }
         public static float AvatarBelowGroundUpCorrectionMeters { get; private set; }
         public static float AvatarStepHeight { get; private set; }
@@ -575,6 +576,8 @@ public static class BSParam
             0.1f ),
             new ParameterDefn<float>("AvatarContactProcessingThreshold", "Distance from capsule to check for collisions",
             0.1f ),
+            new ParameterDefn<float>("AvatarStopZeroThreshold", "Movement velocity below which avatar is assumed to be stopped",
+            0.1f ),
             new ParameterDefn<float>("AvatarBelowGroundUpCorrectionMeters", "Meters to move avatar up if it seems to be below ground",
             1.0f ),
             new ParameterDefn<int>("AvatarJumpFrames", "Number of frames to allow jump forces. Changes jump height.",