static bool GetNearestHitFromPhysicsScene(Ray ray, PhysicsScene physicsScene, int cullingMask, bool ignorePrefabInstance, ref RaycastHit raycastHit)
{
float maxDist = raycastHit.distance;
int numHits = physicsScene.Raycast(ray.origin, ray.direction, s_RaySnapHits, maxDist, cullingMask, QueryTriggerInteraction.Ignore);
// We are not sure at this point if the hits returned from RaycastAll are sorted or not, so go through them all
float nearestHitDist = maxDist;
int nearestHitIndex = -1;
if (ignoreRaySnapObjects != null)
{
for (int i = 0; i < numHits; i++)
{
if (s_RaySnapHits[i].distance < nearestHitDist)
{
Transform tr = s_RaySnapHits[i].transform;
if (ignorePrefabInstance && GameObjectUtility.IsPrefabInstanceHiddenForInContextEditing(tr.gameObject))
{
continue;
}
bool ignore = false;
for (int j = 0; j < ignoreRaySnapObjects.Length; j++)
{
if (tr == ignoreRaySnapObjects[j])
{
ignore = true;
break;
}
}
if (ignore)
{
continue;
}
nearestHitDist = s_RaySnapHits[i].distance;
nearestHitIndex = i;
}
}
}
else
{
for (int i = 0; i < numHits; i++)
{
if (s_RaySnapHits[i].distance < nearestHitDist)
{
nearestHitDist = s_RaySnapHits[i].distance;
nearestHitIndex = i;
}
}
}
if (nearestHitIndex >= 0)
{
raycastHit = s_RaySnapHits[nearestHitIndex];
return(true);
}
else
{
return(false);
}
}