// Keyboard callback
public void command(int cmd)
{
IntPtr geom;
d.Mass mass;
d.Vector3 sides = new d.Vector3(d.RandReal() * 0.5f + 0.1f, d.RandReal() * 0.5f + 0.1f, d.RandReal() * 0.5f + 0.1f);
Char ch = Char.ToLower((Char)cmd);
switch ((Char)ch)
{
case 'w':
try
{
Vector3 rotate = (new Vector3(1, 0, 0) * Quaternion.CreateFromEulers(hpr.Z * Utils.DEG_TO_RAD, hpr.Y * Utils.DEG_TO_RAD, hpr.X * Utils.DEG_TO_RAD));
xyz.X += rotate.X; xyz.Y += rotate.Y; xyz.Z += rotate.Z;
ds.SetViewpoint(ref xyz, ref hpr);
}
catch (ArgumentException)
{ hpr.X = 0; }
break;
case 'a':
hpr.X++;
ds.SetViewpoint(ref xyz, ref hpr);
break;
case 's':
try
{
Vector3 rotate2 = (new Vector3(-1, 0, 0) * Quaternion.CreateFromEulers(hpr.Z * Utils.DEG_TO_RAD, hpr.Y * Utils.DEG_TO_RAD, hpr.X * Utils.DEG_TO_RAD));
xyz.X += rotate2.X; xyz.Y += rotate2.Y; xyz.Z += rotate2.Z;
ds.SetViewpoint(ref xyz, ref hpr);
}
catch (ArgumentException)
{ hpr.X = 0; }
break;
case 'd':
hpr.X--;
ds.SetViewpoint(ref xyz, ref hpr);
break;
case 'r':
xyz.Z++;
ds.SetViewpoint(ref xyz, ref hpr);
break;
case 'f':
xyz.Z--;
ds.SetViewpoint(ref xyz, ref hpr);
break;
case 'e':
xyz.Y++;
ds.SetViewpoint(ref xyz, ref hpr);
break;
case 'q':
xyz.Y--;
ds.SetViewpoint(ref xyz, ref hpr);
break;
}
}
public void step(int pause)
{
ds.SetColor(1.0f, 1.0f, 0.0f);
ds.SetTexture(ds.Texture.Wood);
lock (_prims)
{
foreach (OdePrim prm in _prims)
{
//IntPtr body = d.GeomGetBody(prm.prim_geom);
if (prm.prim_geom != IntPtr.Zero)
{
d.Vector3 pos;
d.GeomCopyPosition(prm.prim_geom, out pos);
//d.BodyCopyPosition(body, out pos);
d.Matrix3 R;
d.GeomCopyRotation(prm.prim_geom, out R);
//d.BodyCopyRotation(body, out R);
d.Vector3 sides = new d.Vector3();
sides.X = prm.Size.X;
sides.Y = prm.Size.Y;
sides.Z = prm.Size.Z;
ds.DrawBox(ref pos, ref R, ref sides);
}
}
}
ds.SetColor(1.0f, 0.0f, 0.0f);
lock (_characters)
{
foreach (OdeCharacter chr in _characters)
{
if (chr.Shell != IntPtr.Zero)
{
IntPtr body = d.GeomGetBody(chr.Shell);
d.Vector3 pos;
d.GeomCopyPosition(chr.Shell, out pos);
//d.BodyCopyPosition(body, out pos);
d.Matrix3 R;
d.GeomCopyRotation(chr.Shell, out R);
//d.BodyCopyRotation(body, out R);
ds.DrawCapsule(ref pos, ref R, chr.Size.Z, 0.35f);
d.Vector3 sides = new d.Vector3();
sides.X = 0.5f;
sides.Y = 0.5f;
sides.Z = 0.5f;
ds.DrawBox(ref pos, ref R, ref sides);
}
}
}
}
/// <summary>
/// Get joint axis.
/// </summary>
/// <remarks>
/// normally called from within OnJointMoved, which is called from within a lock (OdeLock)
/// WARNING: ODE sometimes returns <0,0,0> as the joint axis! Therefore this function
/// appears to be unreliable. Fortunately we can compute the joint axis ourselves by
/// keeping track of the joint's original orientation relative to one of the involved bodies.
/// </remarks>
/// <param name="joint"></param>
/// <returns></returns>
public override Vector3 GetJointAxis(PhysicsJoint joint)
{
Debug.Assert(joint.IsInPhysicsEngine);
d.Vector3 axis = new d.Vector3();
if (!(joint is OdePhysicsJoint))
{
DoJointErrorMessage(joint, "warning: non-ODE joint requesting anchor: " + joint.ObjectNameInScene);
}
else
{
OdePhysicsJoint odeJoint = (OdePhysicsJoint)joint;
switch (odeJoint.Type)
{
case PhysicsJointType.Ball:
DoJointErrorMessage(joint, "warning - axis requested for ball joint: " + joint.ObjectNameInScene);
break;
case PhysicsJointType.Hinge:
d.JointGetHingeAxis(odeJoint.jointID, out axis);
break;
}
}
return new Vector3(axis.X, axis.Y, axis.Z);
}
/// <summary>
/// Updates the reported position and velocity. This essentially sends the data up to ScenePresence.
/// </summary>
public void UpdatePositionAndVelocity()
{
// no lock; called from Simulate() -- if you call this from elsewhere, gotta lock or do Monitor.Enter/Exit!
if (Body == IntPtr.Zero)
return;
d.Vector3 vec;
try
{
d.BodyCopyPosition(Body, out vec);
}
catch (NullReferenceException)
{
bad = true;
_parent_scene.BadCharacter(this);
vec = new d.Vector3(_position.X, _position.Y, _position.Z);
base.RaiseOutOfBounds(_position); // Tells ScenePresence that there's a problem!
m_log.WarnFormat("[ODEPLUGIN]: Avatar Null reference for Avatar {0}, physical actor {1}", m_name, m_uuid);
}
_position.X = vec.X;
_position.Y = vec.Y;
_position.Z = vec.Z;
bool fixbody = false;
if (_position.X < 0.0f)
{
fixbody = true;
_position.X = 0.1f;
}
else if (_position.X > (int)_parent_scene.WorldExtents.X - 0.1f)
{
fixbody = true;
_position.X = (int)_parent_scene.WorldExtents.X - 0.1f;
}
if (_position.Y < 0.0f)
{
fixbody = true;
_position.Y = 0.1f;
}
else if (_position.Y > (int)_parent_scene.WorldExtents.Y - 0.1)
{
fixbody = true;
_position.Y = (int)_parent_scene.WorldExtents.Y - 0.1f;
}
if (fixbody)
d.BodySetPosition(Body, _position.X, _position.Y, _position.Z);
// Did we move last? = zeroflag
// This helps keep us from sliding all over
/*
if (_zeroFlag)
{
_velocity.X = 0.0f;
_velocity.Y = 0.0f;
_velocity.Z = 0.0f;
// Did we send out the 'stopped' message?
if (!m_lastUpdateSent)
{
m_lastUpdateSent = true;
base.RequestPhysicsterseUpdate();
}
}
else
{
m_lastUpdateSent = false;
*/
try
{
vec = d.BodyGetLinearVel(Body);
}
catch (NullReferenceException)
{
vec.X = _velocity.X;
vec.Y = _velocity.Y;
vec.Z = _velocity.Z;
}
_velocity.X = (vec.X);
_velocity.Y = (vec.Y);
_velocity.Z = (vec.Z);
// }
}
internal void Step()
{
IntPtr Body = rootPrim.Body;
d.Mass dmass;
d.BodyGetMass(Body, out dmass);
d.Quaternion rot = d.BodyGetQuaternion(Body);
Quaternion objrotq = new Quaternion(rot.X, rot.Y, rot.Z, rot.W); // rotq = rotation of object
Quaternion rotq = objrotq; // rotq = rotation of object
rotq *= m_referenceFrame; // rotq is now rotation in vehicle reference frame
Quaternion irotq = Quaternion.Inverse(rotq);
d.Vector3 dvtmp;
Vector3 tmpV;
Vector3 curVel; // velocity in world
Vector3 curAngVel; // angular velocity in world
Vector3 force = Vector3.Zero; // actually linear aceleration until mult by mass in world frame
Vector3 torque = Vector3.Zero;// actually angular aceleration until mult by Inertia in vehicle frame
d.Vector3 dtorque = new d.Vector3();
dvtmp = d.BodyGetLinearVel(Body);
curVel.X = dvtmp.X;
curVel.Y = dvtmp.Y;
curVel.Z = dvtmp.Z;
Vector3 curLocalVel = curVel * irotq; // current velocity in local
dvtmp = d.BodyGetAngularVel(Body);
curAngVel.X = dvtmp.X;
curAngVel.Y = dvtmp.Y;
curAngVel.Z = dvtmp.Z;
Vector3 curLocalAngVel = curAngVel * irotq; // current angular velocity in local
float ldampZ = 0;
// linear motor
if (m_lmEfect > 0.01 && m_linearMotorTimescale < 1000)
{
tmpV = m_linearMotorDirection - curLocalVel; // velocity error
tmpV *= m_lmEfect / m_linearMotorTimescale; // error to correct in this timestep
tmpV *= rotq; // to world
if ((m_flags & VehicleFlag.LIMIT_MOTOR_UP) != 0)
tmpV.Z = 0;
if (m_linearMotorOffset.X != 0 || m_linearMotorOffset.Y != 0 || m_linearMotorOffset.Z != 0)
{
// have offset, do it now
tmpV *= dmass.mass;
d.BodyAddForceAtRelPos(Body, tmpV.X, tmpV.Y, tmpV.Z, m_linearMotorOffset.X, m_linearMotorOffset.Y, m_linearMotorOffset.Z);
}
else
{
force.X += tmpV.X;
force.Y += tmpV.Y;
force.Z += tmpV.Z;
}
m_lmEfect *= m_lmDecay;
// m_ffactor = 0.01f + 1e-4f * curVel.LengthSquared();
m_ffactor = 0.0f;
}
else
{
m_lmEfect = 0;
m_ffactor = 1f;
}
// hover
if (m_VhoverTimescale < 300 && rootPrim.prim_geom != IntPtr.Zero)
{
// d.Vector3 pos = d.BodyGetPosition(Body);
d.Vector3 pos = d.GeomGetPosition(rootPrim.prim_geom);
pos.Z -= 0.21f; // minor offset that seems to be always there in sl
float t = _pParentScene.GetTerrainHeightAtXY(pos.X, pos.Y);
float perr;
// default to global but don't go underground
perr = m_VhoverHeight - pos.Z;
if ((m_flags & VehicleFlag.HOVER_GLOBAL_HEIGHT) == 0)
{
if ((m_flags & VehicleFlag.HOVER_WATER_ONLY) != 0)
{
perr += _pParentScene.GetWaterLevel();
}
else if ((m_flags & VehicleFlag.HOVER_TERRAIN_ONLY) != 0)
{
perr += t;
}
else
{
float w = _pParentScene.GetWaterLevel();
if (t > w)
perr += t;
else
perr += w;
}
}
else if (t > m_VhoverHeight)
perr = t - pos.Z; ;
if ((m_flags & VehicleFlag.HOVER_UP_ONLY) == 0 || perr > -0.1)
{
ldampZ = m_VhoverEfficiency * m_invtimestep;
perr *= (1.0f + ldampZ) / m_VhoverTimescale;
// force.Z += perr - curVel.Z * tmp;
force.Z += perr;
ldampZ *= -curVel.Z;
force.Z += _pParentScene.gravityz * m_gravmod * (1f - m_VehicleBuoyancy);
}
else // no buoyancy
force.Z += _pParentScene.gravityz;
}
else
{
// default gravity and Buoyancy
force.Z += _pParentScene.gravityz * m_gravmod * (1f - m_VehicleBuoyancy);
}
// linear deflection
if (m_linearDeflectionEfficiency > 0)
{
float len = curVel.Length();
if (len > 0.01) // if moving
{
Vector3 atAxis;
atAxis = Xrot(rotq); // where are we pointing to
atAxis *= len; // make it same size as world velocity vector
tmpV = -atAxis; // oposite direction
atAxis -= curVel; // error to one direction
len = atAxis.LengthSquared();
tmpV -= curVel; // error to oposite
float lens = tmpV.LengthSquared();
if (len > 0.01 || lens > 0.01) // do nothing if close enougth
{
if (len < lens)
tmpV = atAxis;
tmpV *= (m_linearDeflectionEfficiency / m_linearDeflectionTimescale); // error to correct in this timestep
force.X += tmpV.X;
force.Y += tmpV.Y;
if ((m_flags & VehicleFlag.NO_DEFLECTION_UP) == 0)
force.Z += tmpV.Z;
}
}
}
// linear friction/damping
if (curLocalVel.X != 0 || curLocalVel.Y != 0 || curLocalVel.Z != 0)
{
tmpV.X = -curLocalVel.X / m_linearFrictionTimescale.X;
tmpV.Y = -curLocalVel.Y / m_linearFrictionTimescale.Y;
tmpV.Z = -curLocalVel.Z / m_linearFrictionTimescale.Z;
tmpV *= rotq; // to world
if(ldampZ != 0 && Math.Abs(ldampZ) > Math.Abs(tmpV.Z))
tmpV.Z = ldampZ;
force.X += tmpV.X;
force.Y += tmpV.Y;
force.Z += tmpV.Z;
}
// vertical atractor
if (m_verticalAttractionTimescale < 300)
{
float roll;
float pitch;
float ftmp = m_invtimestep / m_verticalAttractionTimescale / m_verticalAttractionTimescale;
float ftmp2;
ftmp2 = 0.5f * m_verticalAttractionEfficiency * m_invtimestep;
m_amdampX = ftmp2;
m_ampwr = 1.0f - 0.8f * m_verticalAttractionEfficiency;
GetRollPitch(irotq, out roll, out pitch);
if (roll > halfpi)
roll = pi - roll;
else if (roll < -halfpi)
roll = -pi - roll;
float effroll = pitch / halfpi;
effroll *= effroll;
effroll = 1 - effroll;
effroll *= roll;
torque.X += effroll * ftmp;
if ((m_flags & VehicleFlag.LIMIT_ROLL_ONLY) == 0)
{
float effpitch = roll / halfpi;
effpitch *= effpitch;
effpitch = 1 - effpitch;
effpitch *= pitch;
torque.Y += effpitch * ftmp;
}
if (m_bankingEfficiency != 0 && Math.Abs(effroll) > 0.01)
{
float broll = effroll;
/*
if (broll > halfpi)
broll = pi - broll;
else if (broll < -halfpi)
broll = -pi - broll;
*/
broll *= m_bankingEfficiency;
if (m_bankingMix != 0)
{
float vfact = Math.Abs(curLocalVel.X) / 10.0f;
if (vfact > 1.0f) vfact = 1.0f;
if (curLocalVel.X >= 0)
broll *= (1 + (vfact - 1) * m_bankingMix);
else
broll *= -(1 + (vfact - 1) * m_bankingMix);
}
// make z rot be in world Z not local as seems to be in sl
broll = broll / m_bankingTimescale;
tmpV = Zrot(irotq);
tmpV *= broll;
torque.X += tmpV.X;
torque.Y += tmpV.Y;
torque.Z += tmpV.Z;
m_amdampZ = Math.Abs(m_bankingEfficiency) / m_bankingTimescale;
m_amdampY = m_amdampZ;
}
else
{
m_amdampZ = 1 / m_angularFrictionTimescale.Z;
m_amdampY = m_amdampX;
}
}
else
{
m_ampwr = 1.0f;
m_amdampX = 1 / m_angularFrictionTimescale.X;
m_amdampY = 1 / m_angularFrictionTimescale.Y;
m_amdampZ = 1 / m_angularFrictionTimescale.Z;
}
// angular motor
if (m_amEfect > 0.01 && m_angularMotorTimescale < 1000)
{
tmpV = m_angularMotorDirection - curLocalAngVel; // velocity error
tmpV *= m_amEfect / m_angularMotorTimescale; // error to correct in this timestep
torque.X += tmpV.X * m_ampwr;
torque.Y += tmpV.Y * m_ampwr;
torque.Z += tmpV.Z;
m_amEfect *= m_amDecay;
}
else
m_amEfect = 0;
// angular deflection
if (m_angularDeflectionEfficiency > 0)
{
Vector3 dirv;
if (curLocalVel.X > 0.01f)
dirv = curLocalVel;
else if (curLocalVel.X < -0.01f)
// use oposite
dirv = -curLocalVel;
else
{
// make it fall into small positive x case
dirv.X = 0.01f;
dirv.Y = curLocalVel.Y;
dirv.Z = curLocalVel.Z;
}
float ftmp = m_angularDeflectionEfficiency / m_angularDeflectionTimescale;
if (Math.Abs(dirv.Z) > 0.01)
{
torque.Y += - (float)Math.Atan2(dirv.Z, dirv.X) * ftmp;
}
if (Math.Abs(dirv.Y) > 0.01)
{
torque.Z += (float)Math.Atan2(dirv.Y, dirv.X) * ftmp;
}
}
// angular friction
if (curLocalAngVel.X != 0 || curLocalAngVel.Y != 0 || curLocalAngVel.Z != 0)
{
torque.X -= curLocalAngVel.X * m_amdampX;
torque.Y -= curLocalAngVel.Y * m_amdampY;
torque.Z -= curLocalAngVel.Z * m_amdampZ;
}
if (force.X != 0 || force.Y != 0 || force.Z != 0)
{
force *= dmass.mass;
d.BodyAddForce(Body, force.X, force.Y, force.Z);
}
if (torque.X != 0 || torque.Y != 0 || torque.Z != 0)
{
torque *= m_referenceFrame; // to object frame
dtorque.X = torque.X ;
dtorque.Y = torque.Y;
dtorque.Z = torque.Z;
d.MultiplyM3V3(out dvtmp, ref dmass.I, ref dtorque);
d.BodyAddRelTorque(Body, dvtmp.X, dvtmp.Y, dvtmp.Z); // add torque in object frame
}
}
private void MoveLinear(float pTimestep, OdeScene _pParentScene, IntPtr Body)
{
if (!m_linearMotorDirection.ApproxEquals(Vector3.Zero, 0.01f)) // requested m_linearMotorDirection is significant
{
if (!d.BodyIsEnabled(Body))
d.BodyEnable(Body);
// add drive to body
Vector3 addAmount = m_linearMotorDirection * (m_linearMotorTimescale/pTimestep);
m_lastLinearVelocityVector += (addAmount*10); // lastLinearVelocityVector is the current body velocity vector?
// This will work temporarily, but we really need to compare speed on an axis
// KF: Limit body velocity to applied velocity?
if (Math.Abs(m_lastLinearVelocityVector.X) > Math.Abs(m_linearMotorDirectionLASTSET.X))
m_lastLinearVelocityVector.X = m_linearMotorDirectionLASTSET.X;
if (Math.Abs(m_lastLinearVelocityVector.Y) > Math.Abs(m_linearMotorDirectionLASTSET.Y))
m_lastLinearVelocityVector.Y = m_linearMotorDirectionLASTSET.Y;
if (Math.Abs(m_lastLinearVelocityVector.Z) > Math.Abs(m_linearMotorDirectionLASTSET.Z))
m_lastLinearVelocityVector.Z = m_linearMotorDirectionLASTSET.Z;
// decay applied velocity
Vector3 decayfraction = ((Vector3.One/(m_linearMotorDecayTimescale/pTimestep)));
//Console.WriteLine("decay: " + decayfraction);
m_linearMotorDirection -= m_linearMotorDirection * decayfraction * 0.5f;
//Console.WriteLine("actual: " + m_linearMotorDirection);
}
else
{ // requested is not significant
// if what remains of applied is small, zero it.
if (m_lastLinearVelocityVector.ApproxEquals(Vector3.Zero, 0.01f))
m_lastLinearVelocityVector = Vector3.Zero;
}
// convert requested object velocity to world-referenced vector
m_dir = m_lastLinearVelocityVector;
d.Quaternion rot = d.BodyGetQuaternion(Body);
Quaternion rotq = new Quaternion(rot.X, rot.Y, rot.Z, rot.W); // rotq = rotation of object
m_dir *= rotq; // apply obj rotation to velocity vector
// add Gravity andBuoyancy
// KF: So far I have found no good method to combine a script-requested
// .Z velocity and gravity. Therefore only 0g will used script-requested
// .Z velocity. >0g (m_VehicleBuoyancy < 1) will used modified gravity only.
Vector3 grav = Vector3.Zero;
// There is some gravity, make a gravity force vector
// that is applied after object velocity.
d.Mass objMass;
d.BodyGetMass(Body, out objMass);
// m_VehicleBuoyancy: -1=2g; 0=1g; 1=0g;
grav.Z = _pParentScene.gravityz * objMass.mass * (1f - m_VehicleBuoyancy);
// Preserve the current Z velocity
d.Vector3 vel_now = d.BodyGetLinearVel(Body);
m_dir.Z = vel_now.Z; // Preserve the accumulated falling velocity
d.Vector3 pos = d.BodyGetPosition(Body);
// Vector3 accel = new Vector3(-(m_dir.X - m_lastLinearVelocityVector.X / 0.1f), -(m_dir.Y - m_lastLinearVelocityVector.Y / 0.1f), m_dir.Z - m_lastLinearVelocityVector.Z / 0.1f);
Vector3 posChange = new Vector3();
posChange.X = pos.X - m_lastPositionVector.X;
posChange.Y = pos.Y - m_lastPositionVector.Y;
posChange.Z = pos.Z - m_lastPositionVector.Z;
double Zchange = Math.Abs(posChange.Z);
if (m_BlockingEndPoint != Vector3.Zero)
{
if (pos.X >= (m_BlockingEndPoint.X - (float)1))
{
pos.X -= posChange.X + 1;
d.BodySetPosition(Body, pos.X, pos.Y, pos.Z);
}
if (pos.Y >= (m_BlockingEndPoint.Y - (float)1))
{
pos.Y -= posChange.Y + 1;
d.BodySetPosition(Body, pos.X, pos.Y, pos.Z);
}
if (pos.Z >= (m_BlockingEndPoint.Z - (float)1))
{
pos.Z -= posChange.Z + 1;
d.BodySetPosition(Body, pos.X, pos.Y, pos.Z);
}
if (pos.X <= 0)
{
pos.X += posChange.X + 1;
d.BodySetPosition(Body, pos.X, pos.Y, pos.Z);
}
if (pos.Y <= 0)
{
pos.Y += posChange.Y + 1;
d.BodySetPosition(Body, pos.X, pos.Y, pos.Z);
}
}
if (pos.Z < _pParentScene.GetTerrainHeightAtXY(pos.X, pos.Y))
{
pos.Z = _pParentScene.GetTerrainHeightAtXY(pos.X, pos.Y) + 2;
d.BodySetPosition(Body, pos.X, pos.Y, pos.Z);
}
// Check if hovering
if ((m_Hoverflags & (VehicleFlag.HOVER_WATER_ONLY | VehicleFlag.HOVER_TERRAIN_ONLY | VehicleFlag.HOVER_GLOBAL_HEIGHT)) != 0)
{
// We should hover, get the target height
if ((m_Hoverflags & VehicleFlag.HOVER_WATER_ONLY) != 0)
{
m_VhoverTargetHeight = _pParentScene.GetWaterLevel() + m_VhoverHeight;
}
if ((m_Hoverflags & VehicleFlag.HOVER_TERRAIN_ONLY) != 0)
{
m_VhoverTargetHeight = _pParentScene.GetTerrainHeightAtXY(pos.X, pos.Y) + m_VhoverHeight;
}
if ((m_Hoverflags & VehicleFlag.HOVER_GLOBAL_HEIGHT) != 0)
{
m_VhoverTargetHeight = m_VhoverHeight;
}
if ((m_Hoverflags & VehicleFlag.HOVER_UP_ONLY) != 0)
{
// If body is aready heigher, use its height as target height
if (pos.Z > m_VhoverTargetHeight) m_VhoverTargetHeight = pos.Z;
}
if ((m_Hoverflags & VehicleFlag.LOCK_HOVER_HEIGHT) != 0)
{
if ((pos.Z - m_VhoverTargetHeight) > .2 || (pos.Z - m_VhoverTargetHeight) < -.2)
{
d.BodySetPosition(Body, pos.X, pos.Y, m_VhoverTargetHeight);
}
}
else
{
float herr0 = pos.Z - m_VhoverTargetHeight;
// Replace Vertical speed with correction figure if significant
if (Math.Abs(herr0) > 0.01f)
{
m_dir.Z = -((herr0 * pTimestep * 50.0f) / m_VhoverTimescale);
//KF: m_VhoverEfficiency is not yet implemented
}
else
{
m_dir.Z = 0f;
}
}
// m_VhoverEfficiency = 0f; // 0=boucy, 1=Crit.damped
// m_VhoverTimescale = 0f; // time to acheive height
// pTimestep is time since last frame,in secs
}
if ((m_flags & (VehicleFlag.LIMIT_MOTOR_UP)) != 0)
{
//Start Experimental Values
if (Zchange > .3)
{
grav.Z = (float)(grav.Z * 3);
}
if (Zchange > .15)
{
grav.Z = (float)(grav.Z * 2);
}
if (Zchange > .75)
{
grav.Z = (float)(grav.Z * 1.5);
}
if (Zchange > .05)
{
grav.Z = (float)(grav.Z * 1.25);
}
if (Zchange > .025)
{
grav.Z = (float)(grav.Z * 1.125);
}
float terraintemp = _pParentScene.GetTerrainHeightAtXY(pos.X, pos.Y);
float postemp = (pos.Z - terraintemp);
if (postemp > 2.5f)
{
grav.Z = (float)(grav.Z * 1.037125);
}
//End Experimental Values
}
if ((m_flags & (VehicleFlag.NO_X)) != 0)
{
m_dir.X = 0;
}
if ((m_flags & (VehicleFlag.NO_Y)) != 0)
{
m_dir.Y = 0;
}
if ((m_flags & (VehicleFlag.NO_Z)) != 0)
{
m_dir.Z = 0;
}
m_lastPositionVector = d.BodyGetPosition(Body);
// Apply velocity
d.BodySetLinearVel(Body, m_dir.X, m_dir.Y, m_dir.Z);
// apply gravity force
d.BodyAddForce(Body, grav.X, grav.Y, grav.Z);
// apply friction
Vector3 decayamount = Vector3.One / (m_linearFrictionTimescale / pTimestep);
m_lastLinearVelocityVector -= m_lastLinearVelocityVector * decayamount;
} // end MoveLinear()
public int TriCallback(IntPtr trimesh, IntPtr refObject, int triangleIndex)
{
// String name1 = null;
// String name2 = null;
//
// if (!geom_name_map.TryGetValue(trimesh, out name1))
// {
// name1 = "null";
// }
//
// if (!geom_name_map.TryGetValue(refObject, out name2))
// {
// name2 = "null";
// }
// m_log.InfoFormat("TriCallback: A collision was detected between {1} and {2}. Index was {3}", 0, name1, name2, triangleIndex);
d.Vector3 v0 = new d.Vector3();
d.Vector3 v1 = new d.Vector3();
d.Vector3 v2 = new d.Vector3();
d.GeomTriMeshGetTriangle(trimesh, 0, ref v0, ref v1, ref v2);
// m_log.DebugFormat("Triangle {0} is <{1},{2},{3}>, <{4},{5},{6}>, <{7},{8},{9}>", triangleIndex, v0.X, v0.Y, v0.Z, v1.X, v1.Y, v1.Z, v2.X, v2.Y, v2.Z);
return 1;
}
