void OpenSGNavGrab::preFrame()
{
static const float inc_vel(0.005f);
static const float max_vel(0.05f);
// Update velocity
if ( mButton1->getData() == gadget::Digital::ON )
{
mVelocity += inc_vel;
}
else if ( mVelocity > 0.0f )
{
mVelocity -= inc_vel;
}
// Restrict range
if ( mVelocity < 0.0f )
{
mVelocity = 0.0f;
}
if ( mVelocity > max_vel )
{
mVelocity = max_vel;
}
// Reset state when button 2 is toggled on.
if ( mButton2->getData() == gadget::Digital::TOGGLE_ON )
{
reset();
}
vprDEBUG(vprDBG_ALL, vprDBG_STATE_LVL)
<< "Current velocity: " << mVelocity << std::endl << vprDEBUG_FLUSH;
// Get the wand matrix in the units of this application.
const gmtl::Matrix44f wand_mat(mWandPos->getData(getDrawScaleFactor()));
updateGrabbing(wand_mat);
updateNavigation(wand_mat);
vrj::OpenSGApp::preFrame();
}
void CFootBotUN::ControlStep() {
printf("\n --------- UN %s - Simulation step %d -----------\n", GetRobot().GetRobotId().c_str(), CSimulator::GetInstance().GetSpace().GetSimulationClock());
m_pcLEDs->SetAllColors(CColor::BLUE);
/** Wifi communications section */
std::ostringstream str(ostringstream::out);
if (amIaGenerator) {
if (m_iSendOrNotSend % m_generatePacketInterval == 0) {
if (skipFirstSend) {
skipFirstSend = false;
} else {
sendPackets++;
str << "Hi I'm " << str_Me << " and I say \"Hello " << str_Dest << "\"";
str << ",Hi I'm " << str_Me << " and I say \"Hello " << str_Dest << "\"";
m_pcWifiActuator->SendMessageTo(str_Dest, str.str());
//std::cout << str_Me << " sending\n";
}
}
}
m_iSendOrNotSend++;
//searching for the received msgs
TMessageList t_incomingMsgs;
m_pcWifiSensor->GetReceivedMessages(t_incomingMsgs);
for (TMessageList::iterator it = t_incomingMsgs.begin(); it != t_incomingMsgs.end(); it++) {
receivedPackets++;
std::cout << str_Me << " received: " << it->Payload << " from " << it->Sender << " (total received=)" << receivedPackets << std::endl;
}
/** End of wifi*/
/** LCM for getting current positions and obtaining the next target point */
UInt8 robotID = atoi(GetRobot().GetRobotId().substr(3).c_str());
/* New target point from the COMMAND engine*/
if (lcmThreadCommand.getLcmHandler()->existNode(robotID)) {
Node nodeCommand = lcmThreadCommand.getLcmHandler()->getNodeById(robotID);
targetPosition.Set(nodeCommand.getPosition().GetX(), nodeCommand.getPosition().GetY());
printf("ID %d - TARGET: (%f,%f)\n", robotID, nodeCommand.getPosition().GetX(), nodeCommand.getPosition().GetY());
} else {
if (lcmThread.getLcmHandler()->existNode(robotID)) {
Node nodeCommand = lcmThread.getLcmHandler()->getNodeById(robotID);
targetPosition.Set(nodeCommand.getPosition().GetX(), nodeCommand.getPosition().GetY());
printf("ID %d - TARGET: (%f,%f)\n", robotID, nodeCommand.getPosition().GetX(), nodeCommand.getPosition().GetY());
}
}
if (lcmThread.getLcmHandler()->existNode(robotID)) {
//lcmThread.getLcmHandler()->printNodeListElements();
/** LCM related Node information */
//To get the other nodes locations through LCM
listNodeObstacles = lcmThread.getLcmHandler()->retrieveNodeList();
//Get myself
mySelf = lcmThread.getLcmHandler()->getNodeById(robotID);
printf("ID %d\n", mySelf.getId());
printf("POS (%f,%f)\n", mySelf.getPosition().GetX(), mySelf.getPosition().GetY());
printf("QUAT (%f,%f,%f,%f)\n", mySelf.getOrientation().GetW(), mySelf.getOrientation().GetX(), mySelf.getOrientation().GetY(), mySelf.getOrientation().GetZ());
printf("VEL %d\n", mySelf.getVelocity());
/** From the simulator */
CVector2 oldPosition = position;
CSpace& space = CSimulator::GetInstance().GetSpace();
const std::string stringIdA = GetRobot().GetRobotId();
CFootBotEntity *robotEntityA = static_cast<CFootBotEntity*>(&space.GetEntity(stringIdA));
CVector3 cFootBotPositionA = robotEntityA->GetEmbodiedEntity().GetPosition();
CQuaternion cFootBotOrientationA = robotEntityA->GetEmbodiedEntity().GetOrientation();
CVector3 axis;
CRadians oA;
cFootBotOrientationA.ToAngleAxis(oA, axis);
if (axis.GetZ() < 0)
oA = -oA;
// Position
position = CVector2(cFootBotPositionA.GetX(), cFootBotPositionA.GetY());
// Angle
angle = oA;
// Velocity
//velocity = CVector2(speed, 0);
velocity = CVector2(mySelf.getVelocity(), 0);
/** NAVIGATION AND AVOIDING COLLISION */
updateAgent(agent);
agent->clearObstacles();
addNodesAsObstacles(listNodeObstacles);
if ((targetPosition - position).Length() < m_targetMinPointDistance) { // 2 cm
state = ARRIVED_AT_TARGET;
printf("State: STOPPED\n");
} else {
state = MOVING;
printf("State: MOVING\n");
}
updateNavigation();
}
}
