public static RayHit LocalGridTrace(Ray ray, SpatialGridIndex index, List <int> geomGridList, List <RTTriangle_t> triangles, SpatialGrid grids, int excludeGeometry)
{
RayHit bestHit = RayHit.CreateRayHit();
RayHit currentHit = RayHit.CreateRayHit();
int start = 0;
int count = 0;
GetNumberOfGeometryInGrid(index, geomGridList, grids.dimension, out start, out count);
if (count == 0)
{
return(bestHit);
}
Vector3 localMin = SpatialGridCompute.GetGridLocalMin(grids, index);
Vector3 localMax = SpatialGridCompute.GetGridLocalMax(grids, index);
for (int t = 0; t < count; t++)
{
if (triangles[start + t].id == excludeGeometry)
{
continue;
}
RTTriangle.IntersectTriangle(ray, ref currentHit, triangles[start + t]);
if (!(localMin.x <= currentHit.hitPoint.x && currentHit.hitPoint.x <= localMax.x))
{
currentHit = bestHit; // Reset currentHit
continue;
}
if (!(localMin.y <= currentHit.hitPoint.y && currentHit.hitPoint.y <= localMax.y))
{
currentHit = bestHit; // Reset currentHit
continue;
}
if (!(localMin.z <= currentHit.hitPoint.z && currentHit.hitPoint.z <= localMax.z))
{
currentHit = bestHit; // Reset currentHit
continue;
}
bestHit = currentHit;
}
return(bestHit);
}
