From 3a458e2a36253f6514720213deaa19372b06cc52 Mon Sep 17 00:00:00 2001 From: Robert Adams Date: Wed, 10 Oct 2012 13:56:16 -0700 Subject: BulletSim: Use full linkset mass when computing vehicle gravity force. Add taint-time specification to new AddForce(). --- OpenSim/Region/Physics/BulletSPlugin/BSDynamics.cs | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) (limited to 'OpenSim/Region/Physics/BulletSPlugin/BSDynamics.cs') diff --git a/OpenSim/Region/Physics/BulletSPlugin/BSDynamics.cs b/OpenSim/Region/Physics/BulletSPlugin/BSDynamics.cs index 76230a1..56342b8 100644 --- a/OpenSim/Region/Physics/BulletSPlugin/BSDynamics.cs +++ b/OpenSim/Region/Physics/BulletSPlugin/BSDynamics.cs @@ -462,7 +462,7 @@ namespace OpenSim.Region.Physics.BulletSPlugin return; // Set the prim's inertia to zero. The vehicle code handles that and this - // removes the torque action introduced by Bullet. + // removes the motion and torque actions introduced by Bullet. Vector3 inertia = Vector3.Zero; BulletSimAPI.SetMassProps2(Prim.BSBody.ptr, Prim.MassRaw, inertia); BulletSimAPI.UpdateInertiaTensor2(Prim.BSBody.ptr); @@ -540,7 +540,7 @@ namespace OpenSim.Region.Physics.BulletSPlugin // add Gravity and Buoyancy // There is some gravity, make a gravity force vector that is applied after object velocity. // m_VehicleBuoyancy: -1=2g; 0=1g; 1=0g; - Vector3 grav = Prim.PhysicsScene.DefaultGravity * (Prim.MassRaw * (1f - m_VehicleBuoyancy)); + Vector3 grav = Prim.PhysicsScene.DefaultGravity * (Prim.Linkset.LinksetMass * (1f - m_VehicleBuoyancy)); /* * RA: Not sure why one would do this @@ -681,7 +681,7 @@ namespace OpenSim.Region.Physics.BulletSPlugin Prim.ForceVelocity = m_newVelocity; // apply gravity force // Why is this set here? The physics engine already does gravity. - Prim.AddForce(grav, false); + Prim.AddForce(grav, false, true); // Apply friction Vector3 keepFraction = Vector3.One - (Vector3.One / (m_linearFrictionTimescale / pTimestep)); -- cgit v1.1