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Skip raycasting for zero-length rays

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Rays with no length can't intersect anything. This also prevents an
assertion triggering with Bullet built in Debug mode.
This commit is contained in:
AnyOldName3 2020-10-03 02:19:38 +01:00
parent 4faaa86449
commit 9e78f3d936
1 changed files with 2 additions and 0 deletions
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2
apps/openmw/mwphysics/physicssystem.cpp
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@ -264,6 +264,8 @@ namespace MWPhysics
RayCastingResult PhysicsSystem::castRay(const osg::Vec3f &from, const osg::Vec3f &to, const MWWorld::ConstPtr& ignore, std::vector<MWWorld::Ptr> targets, int mask, int group) const
{
if (from == to)
return RayCastingResult { false };
btVector3 btFrom = Misc::Convert::toBullet(from);
btVector3 btTo = Misc::Convert::toBullet(to);