Files
solver/OndselSolver/ConstantVelocityJoint.cpp
aiksiongkoh de8759384c Mb dyn half sine and cosine (#42)
* (int) added

* size_t count

* add files

* MBDyn new joints, sine, cosine

* CompoundJoints debugged
2023-12-13 15:52:16 +01:00

59 lines
1.7 KiB
C++

/***************************************************************************
* Copyright (c) 2023 Ondsel, Inc. *
* *
* This file is part of OndselSolver. *
* *
* See LICENSE file for details about copyright. *
***************************************************************************/
#include "ConstantVelocityJoint.h"
#include "System.h"
#include "AtPointConstraintIJ.h"
#include "CREATE.h"
#include "ConstVelConstraintIJ.h"
using namespace MbD;
MbD::ConstantVelocityJoint::ConstantVelocityJoint()
{
}
MbD::ConstantVelocityJoint::ConstantVelocityJoint(const char* str) : AtPointJoint(str)
{
}
//
//void MbD::ConstantVelocityJoint::initializeLocally()
//{
// if (!constraints->empty())
// {
// auto constraint = std::static_pointer_cast<ConstVelConstraintIJ>(constraints->back());
// constraint->initA01IeJe();
// constraint->initA10IeJe();
// }
// Joint::initializeLocally();
//}
void MbD::ConstantVelocityJoint::initializeGlobally()
{
if (constraints->empty())
{
createAtPointConstraints();
auto constVelIJ = ConstVelConstraintIJ::With(frmI, frmJ);
constVelIJ->setConstant(0.0);
addConstraint(constVelIJ);
this->root()->hasChanged = true;
}
else {
Joint::initializeGlobally();
}
}
void MbD::ConstantVelocityJoint::connectsItoJ(EndFrmsptr frmIe, EndFrmsptr frmJe)
{
//"Subsequent prescribed motions may make frmIe, frmJe become prescribed end frames."
//"Use newCopyEndFrameqc to prevent efrms from becoming EndFrameqct."
frmI = frmIe->newCopyEndFrameqc();
frmJ = frmJe->newCopyEndFrameqc();
}