private List <IHittable> BvhPreprocess()
{
Hittables.Clear();
var planes = new List <IHittable>();
var hittablesToBvh = new List <IHittable>();
foreach (var model in Models)
{
if (model is Plane || model is Cylinder)
{
planes.Add(model);
}
else
{
hittablesToBvh.AddRange(((IHittable)model).Preprocess());
}
}
Hittables.AddRange(planes);
if (hittablesToBvh != null && hittablesToBvh.Count > 0)
{
var node = new BvhNode(hittablesToBvh, 0, hittablesToBvh.Count);
Hittables.Add(node);
}
return(Hittables);
}
private List <IHittable> StandardPreprocess()
{
Hittables.Clear();
foreach (var model in Models)
{
Hittables.AddRange(((IHittable)model).Preprocess());
}
return(Hittables);
}