public static SpaceBounds Merge(SpaceBounds a, SpaceBounds b)
{
if (a == null)
{
return(b);
}
if (b == null)
{
return(a);
}
Bounds?bounds = null;
if (a.boundingBox != null && b.boundingBox != null)
{
bounds = Bounds.Merge(a.boundingBox.Value, b.boundingBox.Value);
}
else if (a.boundingBox != null)
{
bounds = a.boundingBox.Value;
}
else if (b.boundingBox != null)
{
bounds = b.boundingBox.Value;
}
Sphere?sphere = null;
if (a.boundingSphere != null && b.boundingSphere != null)
{
sphere = Sphere.Merge(a.boundingSphere.Value, b.boundingSphere.Value);
}
else if (a.boundingSphere != null)
{
sphere = a.boundingSphere.Value;
}
else if (b.boundingSphere != null)
{
sphere = b.boundingSphere.Value;
}
return(new SpaceBounds(bounds, sphere));
}
