internal override void UpdateKinetics()
{
if (_physical) //Updates properties. Prim updates its properties physically
{
_position = BulletXMaths.XnaVector3ToPhysicsVector(rigidBody.CenterOfMassPosition);
_velocity = BulletXMaths.XnaVector3ToPhysicsVector(rigidBody.LinearVelocity);
_orientation = BulletXMaths.XnaQuaternionToQuaternion(rigidBody.Orientation);
if ((Math.Abs(m_prev_position.X - _position.X) < 0.03)
&& (Math.Abs(m_prev_position.Y - _position.Y) < 0.03)
&& (Math.Abs(m_prev_position.Z - _position.Z) < 0.03))
{
if (!m_lastUpdateSent)
{
_velocity = OpenMetaverse.Vector3.Zero;
base.ScheduleTerseUpdate();
m_lastUpdateSent = true;
}
}
else
{
m_lastUpdateSent = false;
base.ScheduleTerseUpdate();
}
m_prev_position = _position;
}
else //Doesn't updates properties. That's a cancel
{
Translate();
//Speed(); //<- Static objects don't have linear velocity
ReOrient();
}
}
internal BulletXPlanet(BulletXScene parent_scene, float[] heightField)
{
_staticPosition = new OpenMetaverse.Vector3(BulletXScene.MaxXY / 2, BulletXScene.MaxXY / 2, 0);
// _staticVelocity = new PhysicsVector();
// _staticOrientation = OpenMetaverse.Quaternion.Identity;
_mass = 0; //No active
// _parentscene = parent_scene;
_heightField = heightField;
float _linearDamping = 0.0f;
float _angularDamping = 0.0f;
float _friction = 0.5f;
float _restitution = 0.0f;
Matrix _startTransform = Matrix.Identity;
Matrix _centerOfMassOffset = Matrix.Identity;
lock (BulletXScene.BulletXLock)
{
try
{
_startTransform.Translation = BulletXMaths.PhysicsVectorToXnaVector3(_staticPosition);
CollisionShape _collisionShape =
new HeightfieldTerrainShape(BulletXScene.MaxXY, BulletXScene.MaxXY, _heightField,
(float) BulletXScene.MaxZ, 2, true, false);
DefaultMotionState _motionState = new DefaultMotionState(_startTransform, _centerOfMassOffset);
Vector3 _localInertia = new Vector3();
//_collisionShape.CalculateLocalInertia(_mass, out _localInertia); //Always when mass > 0
_flatPlanet =
new RigidBody(_mass, _motionState, _collisionShape, _localInertia, _linearDamping,
_angularDamping, _friction, _restitution);
//It's seems that there are a bug with rigidBody constructor and its CenterOfMassPosition
Vector3 _vDebugTranslation;
_vDebugTranslation = _startTransform.Translation - _flatPlanet.CenterOfMassPosition;
_flatPlanet.Translate(_vDebugTranslation);
parent_scene.ddWorld.AddRigidBody(_flatPlanet);
}
catch (Exception ex)
{
BulletXScene.BulletXMessage(ex.Message, true);
}
}
BulletXScene.BulletXMessage("BulletXPlanet created.", false);
}
public virtual void SetAcceleration(OpenMetaverse.Vector3 accel)
{
lock (BulletXScene.BulletXLock)
{
_acceleration = accel;
}
}
