From 41f1c5b7f712ed9c093ce421b39460c7711aece4 Mon Sep 17 00:00:00 2001
From: Robert Adams
Date: Sun, 2 Dec 2012 23:39:17 -0800
Subject: BulletSim: rework angular corrections to remove any hybrid code and
 compute absolute collections.

---
 OpenSim/Region/Physics/BulletSPlugin/BSMotors.cs | 17 +++++++++++++++--
 1 file changed, 15 insertions(+), 2 deletions(-)

(limited to 'OpenSim/Region/Physics/BulletSPlugin/BSMotors.cs')

diff --git a/OpenSim/Region/Physics/BulletSPlugin/BSMotors.cs b/OpenSim/Region/Physics/BulletSPlugin/BSMotors.cs
index e9f1549..851d508 100755
--- a/OpenSim/Region/Physics/BulletSPlugin/BSMotors.cs
+++ b/OpenSim/Region/Physics/BulletSPlugin/BSMotors.cs
@@ -63,10 +63,23 @@ public abstract class BSMotor
     }
 }
 // Can all the incremental stepping be replaced with motor classes?
+
+// Motor which moves CurrentValue to TargetValue over TimeScale seconds.
+// The TargetValue is decays in TargetValueDecayTimeScale and
+//     the CurrentValue will be held back by FrictionTimeScale.
+// TimeScale and TargetDelayTimeScale may be 'infinite' which means go decay.
+
+// For instance, if something is moving at speed X and the desired speed is Y,
+//    CurrentValue is X and TargetValue is Y. As the motor is stepped, new
+//    values of CurrentValue are returned that approach the TargetValue.
+// The feature of decaying TargetValue is so vehicles will eventually
+//    come to a stop rather than run forever. This can be disabled by
+//    setting TargetValueDecayTimescale to 'infinite'.
+// The change from CurrentValue to TargetValue is linear over TimeScale seconds.
 public class BSVMotor : BSMotor
 {
-    public Vector3 FrameOfReference { get; set; }
-    public Vector3 Offset { get; set; }
+    // public Vector3 FrameOfReference { get; set; }
+    // public Vector3 Offset { get; set; }
 
     public float TimeScale { get; set; }
     public float TargetValueDecayTimeScale { get; set; }
-- 
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