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safe guard against NaN in dv after CG solve

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This commit is contained in:
Xuchen Han
2019-08-20 11:12:36 -07:00
parent 76d37ec475
commit 7e971d9f63
1 changed files with 5 additions and 0 deletions
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5
src/BulletSoftBody/btDeformableBodySolver.cpp
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@@ -103,6 +103,11 @@ void btDeformableBodySolver::updateVelocity()
btSoftBody* psb = m_softBodySet[i]; btSoftBody* psb = m_softBodySet[i];
for (int j = 0; j < psb->m_nodes.size(); ++j) for (int j = 0; j < psb->m_nodes.size(); ++j)
{ {
// set NaN to zero;
if (m_dv[counter] != m_dv[counter])
{
m_dv[counter].setZero();
}
psb->m_nodes[j].m_v = m_backupVelocity[counter]+m_dv[counter]; psb->m_nodes[j].m_v = m_backupVelocity[counter]+m_dv[counter];
++counter; ++counter;
} }