diff options
Diffstat (limited to 'extern/bullet2/src/BulletCollision/NarrowPhaseCollision/btRaycastCallback.cpp')
| -rw-r--r-- | extern/bullet2/src/BulletCollision/NarrowPhaseCollision/btRaycastCallback.cpp | 23 |
1 files changed, 12 insertions, 11 deletions
diff --git a/extern/bullet2/src/BulletCollision/NarrowPhaseCollision/btRaycastCallback.cpp b/extern/bullet2/src/BulletCollision/NarrowPhaseCollision/btRaycastCallback.cpp index fbe579ce1e5..786efd18200 100644 --- a/extern/bullet2/src/BulletCollision/NarrowPhaseCollision/btRaycastCallback.cpp +++ b/extern/bullet2/src/BulletCollision/NarrowPhaseCollision/btRaycastCallback.cpp @@ -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); } } } |