Re: ComputeSphereVisibility: a patch

[Henri Verbeet]

2008/11/15 Frank Richter :
> On 14.11.2008 20:27, paulo lesgaz wrote:
> > Hi,
> >
> > here is a patch for a first try to implement ComputeSphereVisibility.
> > Any feedback is welcome.
>
> I think you can simplify the sphere-plane intersection. Just compute the
> signed distance D of the sphere center from the plane. If D > r, the
> sphere is visible. If -r <= D <= r, the sphere is partially visible. if
> D < -r, it's invisible.

Yeah, that's basically what I described in my earlier mail.