public ROctree Add(ref RRenderNode o, BoundingBox transformebbox)
{
float radius = (transformebbox.Max - transformebbox.Min).Length() / 2;
Vector3 center = (transformebbox.Max + transformebbox.Min) / 2;
if (this.bounds.Contains(transformebbox) == ContainmentType.Contains)
{
return(this.Add(ref o, transformebbox, center, radius));
}
return(null);
}
public ROctree Add(ref RRenderNode o, Vector3 center, float radius)
{
Vector3 min = center - new Vector3(radius);
Vector3 max = center + new Vector3(radius);
BoundingBox bounds = new BoundingBox(min, max);
if (this.bounds.Contains(bounds) == ContainmentType.Contains)
{
return(this.Add(ref o, bounds, center, radius));
}
return(null);
}
private ROctree Add(ref RRenderNode o, BoundingBox bounds, Vector3 center, float radius)
{
if (this.children != null)
{
// Find which child the object is closest to based on where the
// object's center is located in relation to the octree's center.
int index = (center.X <= this.center.X ? 0 : 1) +
(center.Y >= this.center.Y ? 0 : 4) +
(center.Z <= this.center.Z ? 0 : 2);
// Add the object to the child if it is fully contained within
// it.
if (this.children[index].bounds.Contains(bounds) == ContainmentType.Contains)
{
return(this.children[index].Add(ref o, bounds, center, radius));
}
}
this.objects.Add(o);
return(this);
}
public void Remove(ref RRenderNode obj)
{
objects.Remove(obj);
}
