|
![](/i/fill.gif) |
Well my guess is that you have boxes for the steps... the boxes when
rotated, overlap at the corners, difference the boxes first (a 36 degree
cut at the corner?? ) then rotate them..Also, you might consider moving
them out a little more (2.1) or some such to make a gap.
Steve
Duane Tackett wrote:
>
> (Isn't it kinda loony to send a reply to yourself? anyways...)
>
> Thanks to all of you for your help. I now have the source completed and
> I ma happy to announce that I have one last frustration left with this
> object (which hopefully soon will be joined by even more frustrating
> objects).
> What I have basically is a pentagonal pool surrounded on each side by 5
> steps which all descend down to the water (think of it as a pentagon with
> the center cut out...with the center cut out...with the center cut out (you
> get the picture). I used the Sin/Cos combinations with the 72 degree
> suggestion (so as you can see, I took almost everybody's advice) and I made
> a nested if/then to do it all. (Whew, finally, the problem) No matter what
> I do I can't mathematically keep these sections from joining to each other,
> so instead of having 5 sides with 5 steps each, it looks like one gigantic
> step and I can't get them to show a crack for some grout. I could use a
> difference thingy, but I am beginning to reach a point where I would rather
> do something the "hard" way and have it be precise than to do a difference
> and have it approximated. If you would like, I could post the source. It's
> only about 4k now, so it's not too large... Let me know...
> --
> Duane
>
> Check out my web page. I just started, so don't laugh too hard.
> www.geocities.com/siliconvalley/lab/8407
> e-mail me: ddt### [at] juno com
>
> Duane Tackett wrote in message <35ed11bd.0@news.povray.org>...
> > Now that I have your attention (with the subject line) I have forgotten
> >how to do something seemingly very basic: I nee to translate a line
> segment
> >into x,y coordinates. What I need is a 5 sided regular polygon (pentagon
> in
> >english) and I have forgotten the equation to convert this to x,y points.
> > For instance, I want to have a 5 sided object with sides that are 2
> >units in length. I have figured out that the degree of the angle between
> >each side is 72 (360 degrees divided by 5 sides) but I can't remember the
> >equation to translate this. I don't want the points, I want an explanation
> >so I'll have one less silly question to ask. Let me know if you can help.
> >
> >--
> >Duane
> >
> >Check out my web page. I just started, so don't laugh too hard.
> >www.geocities.com/siliconvalley/lab/8407
> >e-mail me: ddt### [at] juno com
> >
> >
> >
Post a reply to this message
|
![](/i/fill.gif) |