bool PhysXWorld::raycastSingle(const PxVec3& origin, const PxVec3& unitDir, const PxReal distance, PxSceneQueryFlags outputFlags, PxRaycastHit& hit, const PxSceneQueryFilterData& filterData /* = PxSceneQueryFilterData */)
{
    PxRaycastHit hits[32];
    bool blockingHit;
    // some weird PhysX shit. Sometimes raycastSingle will just return distance 0 and show collision with terrain!!! even though there is no even close terrain to the ray
    outputFlags |= PxSceneQueryFlag::eDISTANCE; // always add, as we need distance to check for physX bug
    int numHits = g_pPhysicsWorld->PhysXScene->raycastMultiple(origin, unitDir, distance, outputFlags, hits, 32, blockingHit, filterData);
    bool foundProperHit = false;
    float closestHit = 99999999.0f;
    if(numHits)
    {
        for(int i=0; i<numHits; ++i)
        {
            if(hits[i].distance > 0)
            {
                if(hits[i].distance < closestHit)
                {
                    hit = hits[i];
                    closestHit = hits[i].distance;
                    foundProperHit = true;
                }
            }
        }
    }

    return foundProperHit;
}