private int BoxZCompare(Hitable a, Hitable b)
{
BoundingBox aBox = null;
BoundingBox bBox = null;
if (!a.GetBoundingBox(0, 0, ref aBox) || !b.GetBoundingBox(0, 0, ref bBox))
{
throw new ArgumentException("No bounding box in BVHNode comparer z");
}
return(aBox.Min.Z < bBox.Min.Z ? -1 : 1);
}
public bool AddHitable(Hitable a)
{
AABB temp = null;
if (a.GetBoundingBox(0, 0, ref temp))
{
hitable_list.Add(a);
return(true);
}
return(false);
}
public override AABB GetBoundingBox(float t0, float t1)
{
var box = Hitable.GetBoundingBox(t0, t1);
if (box == null)
{
return(null);
}
box = new AABB(box.Min + Displacement, box.Max + Displacement);
return(box);
}
