本文整理汇总了C++中typenamemechanicalobject::SPtr::writeVelocities方法的典型用法代码示例。如果您正苦于以下问题：C++ SPtr::writeVelocities方法的具体用法？C++ SPtr::writeVelocities怎么用？C++ SPtr::writeVelocities使用的例子？那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类typenamemechanicalobject::SPtr的用法示例。
在下文中一共展示了SPtr::writeVelocities方法的1个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的C++代码示例。
示例1: test_projectVelocity
bool test_projectVelocity()
{
VecDeriv vprev(numNodes);
typename MechanicalObject::WriteVecDeriv v = dofs->writeVelocities();
for (unsigned i=0; i<numNodes; i++){
vprev[i] = v[i] = CPos(i,0,0);
}
// cerr<<"test_projectVelocity, v before = " << v << endl;
projection->projectVelocity(core::MechanicalParams::defaultInstance(), *dofs->write(core::VecDerivId::velocity()) );
// cerr<<"test_projectVelocity, v after = " << v << endl;
bool succeed=true;
typename Indices::const_iterator it = indices.begin(); // must be sorted
for(unsigned i=0; i<numNodes; i++ )
{
if ((it!=indices.end()) && ( i==*it )) // constrained particle
{
CPos crossprod = v[i].cross(direction); // should be parallel
Real scal = crossprod.norm(); // null if v is ok
// cerr<<"scal = "<< scal << endl;
if( !Sofa_test<typename _DataTypes::Real>::isSmall(scal,100) ){
succeed = false;
ADD_FAILURE() << "Velocity of constrained particle " << i << " is wrong: " << v[i] ;
}
it++;
}
else // unconstrained particle: check that it has not changed
{
CPos dv = v[i]-vprev[i];
Real scal = dv*dv;
// cerr<<"scal gap = "<< scal << endl;
if( !Sofa_test<typename _DataTypes::Real>::isSmall(scal,100) ){
succeed = false;
ADD_FAILURE() << "Velocity of unconstrained particle " << i << " is wrong: " << v[i] ;
}
}
}
return succeed;
}