public bool RayCast(int index, int nodeID)
{
if (NativeNodes[nodeID].IsLeaf == 1)
{
float bestDist = float.MaxValue;
HitInfo hitInfo = new HitInfo();
for (int i = 0; i < NativeNodes[nodeID].PrimitivesCount; i++)
{
hitInfo.Clear();
if (NativePrims[NativeNodes[nodeID].PrimitivesOffset + i].IntersectRay(Rays[index], out hitInfo))
{
if (hitInfo.HitDistance < bestDist)
{
bestDist = hitInfo.HitDistance;
HitInfos.Add(new HitInfo(hitInfo));
}
}
}
}
else
{
// ReSharper disable once NotAccessedVariable
float hitDist;
if (BVHBBox.IntersectRay(Rays[index], NativeNodes[nodeID].BMin, NativeNodes[nodeID].BMax, out hitDist))
{
float d1;
float d2;
int lNodeID = NativeNodes[nodeID].LChildID;
int rNodeID = NativeNodes[nodeID].RChildID;
bool bHitL = BVHBBox.IntersectRay(Rays[index], NativeNodes[lNodeID].BMin, NativeNodes[lNodeID].BMax,
out d1);
bool bHitR = BVHBBox.IntersectRay(Rays[index], NativeNodes[rNodeID].BMin, NativeNodes[rNodeID].BMax,
out d2);
if (bHitL && bHitR)
{
if (d1 > d2)
{
RayCast(index, lNodeID);
RayCast(index, rNodeID);
}
else
{
RayCast(index, rNodeID);
RayCast(index, lNodeID);
}
}
else if (bHitL)
{
RayCast(index, lNodeID);
}
else if (bHitR)
{
RayCast(index, rNodeID);
}
}
}
return(false);
}
