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Add support for picking deformable with mouse

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This commit is contained in:
Xuchen Han
2020-03-09 11:19:08 -07:00
parent 41ca8b9e59
commit 7dfef92267
21 changed files with 494 additions and 273 deletions
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38
src/BulletSoftBody/btSoftBody.cpp
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@@ -1936,6 +1936,25 @@ bool btSoftBody::rayTest(const btVector3& rayFrom,
return (rayTest(rayFrom, rayTo, results.fraction, results.feature, results.index, false) != 0);
}
bool btSoftBody::rayFaceTest(const btVector3& rayFrom,
const btVector3& rayTo,
sRayCast& results)
{
if (m_faces.size() == 0)
return false;
else
{
if (m_fdbvt.empty())
initializeFaceTree();
}
results.body = this;
results.fraction = 1.f;
results.index = -1;
return (rayFaceTest(rayFrom, rayTo, results.fraction, results.index) != 0);
}
//
void btSoftBody::setSolver(eSolverPresets::_ preset)
{
@@ -2441,6 +2460,25 @@ int btSoftBody::rayTest(const btVector3& rayFrom, const btVector3& rayTo,
return (cnt);
}
int btSoftBody::rayFaceTest(const btVector3& rayFrom, const btVector3& rayTo,
btScalar& mint, int& index) const
{
int cnt = 0;
{ /* Use dbvt */
RayFromToCaster collider(rayFrom, rayTo, mint);
btDbvt::rayTest(m_fdbvt.m_root, rayFrom, rayTo, collider);
if (collider.m_face)
{
mint = collider.m_mint;
index = (int)(collider.m_face - &m_faces[0]);
cnt = 1;
}
}
return (cnt);
}
//
static inline btDbvntNode* copyToDbvnt(const btDbvtNode* n)
{