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bug fix in updateDeformation

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This commit is contained in:
Xuchen Han
2019-08-20 10:37:25 -07:00
parent 3bf3b66fb7
commit 76d37ec475
1 changed files with 5 additions and 3 deletions
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8
src/BulletSoftBody/btSoftBody.cpp
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@@ -2835,10 +2835,12 @@ void btSoftBody::updateDeformation()
{
for (int i = 0; i < m_tetras.size(); ++i)
{
// updateDeformation is called before predictMotion where m_q is sync'd.
// So m_x is the current position of the node.
btSoftBody::Tetra& t = m_tetras[i];
btVector3 c1 = t.m_n[1]->m_q - t.m_n[0]->m_q;
btVector3 c2 = t.m_n[2]->m_q - t.m_n[0]->m_q;
btVector3 c3 = t.m_n[3]->m_q - t.m_n[0]->m_q;
btVector3 c1 = t.m_n[1]->m_x - t.m_n[0]->m_x;
btVector3 c2 = t.m_n[2]->m_x - t.m_n[0]->m_x;
btVector3 c3 = t.m_n[3]->m_x - t.m_n[0]->m_x;
btMatrix3x3 Ds(c1.getX(), c2.getX(), c3.getX(),
c1.getY(), c2.getY(), c3.getY(),
c1.getZ(), c2.getZ(), c3.getZ());