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Fix one-sided soft bodies.

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A coding mistake in btSoftBody::addAeroForceToNode() was applying forces
in the wrong direction for one-sided soft bodies.
This commit is contained in:
Sam Hocevar
2017-09-01 18:46:07 +02:00
parent 29271c53eb
commit 903cc96c1a
1 changed files with 2 additions and 2 deletions
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4
src/BulletSoftBody/btSoftBody.cpp
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@@ -524,7 +524,7 @@ void btSoftBody::addAeroForceToNode(const btVector3& windVelocity,int nodeInde
}
else if (m_cfg.aeromodel == btSoftBody::eAeroModel::V_Point || m_cfg.aeromodel == btSoftBody::eAeroModel::V_OneSided || m_cfg.aeromodel == btSoftBody::eAeroModel::V_TwoSided)
{
if (btSoftBody::eAeroModel::V_TwoSided)
if (m_cfg.aeromodel == btSoftBody::eAeroModel::V_TwoSided)
nrm *= (btScalar)( (btDot(nrm,rel_v) < 0) ? -1 : +1);
const btScalar dvn = btDot(rel_v,nrm);
@@ -619,7 +619,7 @@ void btSoftBody::addAeroForceToFace(const btVector3& windVelocity,int faceInde
}
else if (m_cfg.aeromodel == btSoftBody::eAeroModel::F_OneSided || m_cfg.aeromodel == btSoftBody::eAeroModel::F_TwoSided)
{
if (btSoftBody::eAeroModel::F_TwoSided)
if (m_cfg.aeromodel == btSoftBody::eAeroModel::F_TwoSided)
nrm *= (btScalar)( (btDot(nrm,rel_v) < 0) ? -1 : +1);
const btScalar dvn=btDot(rel_v,nrm);