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fix ray test kF_FilterBackfaces and kF_KeepUnflippedNormal flags

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add Demos/RaytestDemo to show/test rayTest
fix premake batch files
This commit is contained in:
erwin.coumans
2012-09-12 23:19:05 +00:00
parent 73082e995c
commit c2f9d927c2
13 changed files with 596 additions and 24 deletions
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23
src/BulletCollision/NarrowPhaseCollision/btRaycastCallback.cpp
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@@ -57,12 +57,13 @@ void btTriangleRaycastCallback::processTriangle(btVector3* triangle,int partId,
{
return ; // same sign
}
//@BP Mod - Backface filtering
if (((m_flags & kF_FilterBackfaces) != 0) && (dist_a > btScalar(0.0)))
{
// Backface, skip check
return;
}
if (((m_flags & kF_FilterBackfaces) != 0) && (dist_a <= btScalar(0.0)))
{
// Backface, skip check
return;
}
const btScalar proj_length=dist_a-dist_b;
const btScalar distance = (dist_a)/(proj_length);
@@ -97,18 +98,18 @@ void btTriangleRaycastCallback::processTriangle(btVector3* triangle,int partId,
if ( (btScalar)(cp2.dot(triangleNormal)) >=edge_tolerance)
{
//@BP Mod
// Triangle normal isn't normalized
//@BP Mod
// Triangle normal isn't normalized
triangleNormal.normalize();
//@BP Mod - Allow for unflipped normal when raycasting against backfaces
if (((m_flags & kF_KeepUnflippedNormal) != 0) || (dist_a <= btScalar(0.0)))
//@BP Mod - Allow for unflipped normal when raycasting against backfaces
if (((m_flags & kF_KeepUnflippedNormal) == 0) && (dist_a <= btScalar(0.0)))
{
m_hitFraction = reportHit(-triangleNormal,distance,partId,triangleIndex);
}
else
{
m_hitFraction = reportHit(triangleNormal,distance,partId,triangleIndex);
m_hitFraction = reportHit(triangleNormal,distance,partId,triangleIndex);
}
}
}