void BodyMotionPoseProvider::initialize(BodyPtr body__, BodyMotionPtr motion)
{
body_ = body__->clone();
this->motion = motion;
footLinkPositions.reset(new MultiAffine3Seq());
footLinks.clear();
ikPaths.clear();
LeggedBodyHelperPtr legged = getLeggedBodyHelper(body_);
if(legged->isValid()){
for(int i=0; i < legged->numFeet(); ++i){
Link* link = legged->footLink(i);
JointPathPtr ikPath = getCustomJointPath(body_, body_->rootLink(), link);
if(ikPath){
if(ikPath->hasAnalyticalIK() || ikPath->numJoints() == 6){
footLinks.push_back(link);
ikPaths.push_back(ikPath);
}
}
}
ZMP_ = legged->homeCopOfSoles();
} else {
ZMP_.setZero();
}
updateMotion();
}
int KinematicFaultCheckerImpl::checkFaults
(BodyItem* bodyItem, BodyMotionItem* motionItem, std::ostream& os,
bool checkPosition, bool checkVelocity, bool checkCollision, dynamic_bitset<> linkSelection,
double beginningTime, double endingTime)
{
numFaults = 0;
BodyPtr body = bodyItem->body();
BodyMotionPtr motion = motionItem->motion();
MultiValueSeqPtr qseq = motion->jointPosSeq();;
MultiSE3SeqPtr pseq = motion->linkPosSeq();
if((!checkPosition && !checkVelocity && !checkCollision) || body->isStaticModel() || !qseq->getNumFrames()){
return numFaults;
}
BodyState orgKinematicState;
if(USE_DUPLICATED_BODY){
body = body->clone();
} else {
bodyItem->storeKinematicState(orgKinematicState);
}
CollisionDetectorPtr collisionDetector;
WorldItem* worldItem = bodyItem->findOwnerItem<WorldItem>();
if(worldItem){
collisionDetector = worldItem->collisionDetector()->clone();
} else {
int index = CollisionDetector::factoryIndex("AISTCollisionDetector");
if(index >= 0){
collisionDetector = CollisionDetector::create(index);
} else {
collisionDetector = CollisionDetector::create(0);
os << _("A collision detector is not found. Collisions cannot be detected this time.") << endl;
}
}
addBodyToCollisionDetector(*body, *collisionDetector);
collisionDetector->makeReady();
const int numJoints = std::min(body->numJoints(), qseq->numParts());
const int numLinks = std::min(body->numLinks(), pseq->numParts());
frameRate = motion->frameRate();
double stepRatio2 = 2.0 / frameRate;
angleMargin = radian(angleMarginSpin.value());
translationMargin = translationMarginSpin.value();
velocityLimitRatio = velocityLimitRatioSpin.value() / 100.0;
int beginningFrame = std::max(0, (int)(beginningTime * frameRate));
int endingFrame = std::min((motion->numFrames() - 1), (int)lround(endingTime * frameRate));
lastPosFaultFrames.clear();
lastPosFaultFrames.resize(numJoints, std::numeric_limits<int>::min());
lastVelFaultFrames.clear();
lastVelFaultFrames.resize(numJoints, std::numeric_limits<int>::min());
lastCollisionFrames.clear();
if(checkCollision){
Link* root = body->rootLink();
root->p().setZero();
root->R().setIdentity();
}
for(int frame = beginningFrame; frame <= endingFrame; ++frame){
int prevFrame = (frame == beginningFrame) ? beginningFrame : frame - 1;
int nextFrame = (frame == endingFrame) ? endingFrame : frame + 1;
for(int i=0; i < numJoints; ++i){
Link* joint = body->joint(i);
double q = qseq->at(frame, i);
joint->q() = q;
if(joint->index() >= 0 && linkSelection[joint->index()]){
if(checkPosition){
bool fault = false;
if(joint->isRotationalJoint()){
fault = (q > (joint->q_upper() - angleMargin) || q < (joint->q_lower() + angleMargin));
} else if(joint->isSlideJoint()){
fault = (q > (joint->q_upper() - translationMargin) || q < (joint->q_lower() + translationMargin));
}
if(fault){
putJointPositionFault(frame, joint, os);
}
}
if(checkVelocity){
double dq = (qseq->at(nextFrame, i) - qseq->at(prevFrame, i)) / stepRatio2;
joint->dq() = dq;
if(dq > (joint->dq_upper() * velocityLimitRatio) || dq < (joint->dq_lower() * velocityLimitRatio)){
putJointVelocityFault(frame, joint, os);
}
}
}
}
if(checkCollision){
Link* link = body->link(0);
if(!pseq->empty())
{
const SE3& p = pseq->at(frame, 0);
link->p() = p.translation();
link->R() = p.rotation().toRotationMatrix();
}
else
{
link->p() = Vector3d(0., 0., 0.);
link->R() = Matrix3d::Identity();
}
body->calcForwardKinematics();
for(int i=1; i < numLinks; ++i){
link = body->link(i);
if(!pseq->empty())
{
const SE3& p = pseq->at(frame, i);
link->p() = p.translation();
link->R() = p.rotation().toRotationMatrix();
}
}
for(int i=0; i < numLinks; ++i){
link = body->link(i);
collisionDetector->updatePosition(i, link->position());
}
collisionDetector->detectCollisions(
boost::bind(&KinematicFaultCheckerImpl::putSelfCollision, this, body.get(), frame, _1, boost::ref(os)));
}
}
if(!USE_DUPLICATED_BODY){
bodyItem->restoreKinematicState(orgKinematicState);
}
return numFaults;
}