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Fix T37673: Ray casting could fail with 0 collision margins 

Use bullet's old method of doing ray casts to stay compatible with old
files. It's faster but a bit less accurate.
This commit is contained in:
Sergej Reich 2014-01-28 08:26:51 +01:00
parent 8fa4517a20
commit 6fe5b3be38
Notes: blender-bot 2023-02-14 11:32:13 +01:00 
Referenced by issue #37673, Another regression between 2.69 and current (related to rayCast)
1 changed files with 3 additions and 0 deletions
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source/gameengine/Physics/Bullet/CcdPhysicsEnvironment.cpp
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@ -31,6 +31,7 @@ subject to the following restrictions:
#include "BulletSoftBody/btSoftRigidDynamicsWorld.h"
#include "BulletSoftBody/btSoftBodyRigidBodyCollisionConfiguration.h"
#include "BulletCollision/Gimpact/btGImpactCollisionAlgorithm.h"
#include "BulletCollision/NarrowPhaseCollision/btRaycastCallback.h"
//profiling/timings
#include "LinearMath/btQuickprof.h"
@ -1131,6 +1132,8 @@ PHY_IPhysicsController* CcdPhysicsEnvironment::RayTest(PHY_IRayCastFilterCallbac
// don't collision with sensor object
rayCallback.m_collisionFilterMask = CcdConstructionInfo::AllFilter ^ CcdConstructionInfo::SensorFilter;
// use faster (less accurate) ray callback, works better with 0 collision margins
rayCallback.m_flags |= btTriangleRaycastCallback::kF_UseSubSimplexConvexCastRaytest;
//, ,filterCallback.m_faceNormal);
m_dynamicsWorld->rayTest(rayFrom,rayTo,rayCallback);