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switch explicit elastic force

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This commit is contained in:
Xuchen Han
2019-07-17 15:58:55 -07:00
parent 2fc376e8f5
commit 7846dd38dd
13 changed files with 193 additions and 77 deletions
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12
src/BulletSoftBody/btSoftBody.cpp
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@@ -1782,7 +1782,7 @@ void btSoftBody::predictMotion(btScalar dt)
m_sst.radmrg = getCollisionShape()->getMargin();
m_sst.updmrg = m_sst.radmrg * (btScalar)0.25;
/* Forces */
addVelocity(m_worldInfo->m_gravity * m_sst.sdt);
addVelocity(m_worldInfo->m_gravity * m_sst.sdt);
applyForces();
/* Integrate */
for (i = 0, ni = m_nodes.size(); i < ni; ++i)
@@ -1805,7 +1805,7 @@ void btSoftBody::predictMotion(btScalar dt)
}
}
}
n.m_v += deltaV;
n.m_v += deltaV;
n.m_x += n.m_v * m_sst.sdt;
n.m_f = btVector3(0, 0, 0);
}
@@ -2775,6 +2775,14 @@ void btSoftBody::dampClusters()
}
}
void btSoftBody::setSpringStiffness(btScalar k)
{
for (int i = 0; i < m_links.size(); ++i)
{
m_links[i].Feature::m_material->m_kLST = k;
}
}
//
void btSoftBody::Joint::Prepare(btScalar dt, int)
{