void OgreCursor::update()
{
int x,y, w;
getPosition(x, y);
updatePosition(x-7, y-7); //FIXME: ugly hack to compensate offset (-7, -7) from OIS Mouse
getWheelPos(w);
deltaWheel += (wheelPos - w);
int upDown = deltaWheel / wheelPosStep;
//std::cerr << "upDown=" << upDown << std::endl;
if (upDown > 0)
{
wheelDown += upDown;
deltaWheel -= upDown * wheelPosStep;
}
else if (upDown < 0)
{
wheelUp -= upDown;
deltaWheel -= upDown * wheelPosStep;
}
wheelPos = w;
//update button status
OIS::MouseState ms = _mouse->getMouseState();
leftButton = ms.buttonDown(OIS::MB_Left);
rightButton = ms.buttonDown(OIS::MB_Right);
wheelButton = ms.buttonDown(OIS::MB_Middle);
}
VxVector pWheel2::getGroundContactPos()const
{
VxVector pos = getWheelPos()+VxVector(0, -mWheelShape->getRadius(), 0);
if (pos.Magnitude())
{
int op2 = 0 ;
op2++;
}
return pos;
}
void PhysicsVehicleWheel::transform(Node* node) const
{
GP_ASSERT(_host);
GP_ASSERT(_host->_node);
node->setRotation(_orientation);
// Use only the component parallel to the defined strut line
Vector3 strutLine;
getWheelDirection(&strutLine);
_host->_node->getMatrix().transformVector(&strutLine);
Vector3 wheelPos;
getWheelPos(&wheelPos);
node->setTranslation(wheelPos + strutLine*(strutLine.dot(_positionDelta) / strutLine.lengthSquared()));
}
void PhysicsVehicleWheel::update(float elapsedTime)
{
GP_ASSERT(_host);
GP_ASSERT(_host->_vehicle);
const btTransform& trans = _host->_vehicle->getWheelInfo(_indexInHost).m_worldTransform;
const btQuaternion& rot = trans.getRotation();
const btVector3& pos = trans.getOrigin();
_orientation.set(rot.x(), rot.y(), rot.z(), rot.w());
Vector3 commandedPosition(pos.x(), pos.y(), pos.z());
Vector3 wheelPos;
getWheelPos(&wheelPos);
commandedPosition -= wheelPos;
// Filter out noise from Bullet
Vector3 delta(_positionDelta, commandedPosition);
float threshold = getStrutRestLength() * 2.0f;
float responseTime = (delta.lengthSquared() > threshold*threshold) ? 0 : 60;
_positionDelta.smooth(commandedPosition, elapsedTime, responseTime);
}
