Sean Breheny wrote:
> 
> At 03:51 PM 11/5/98 -0800, you wrote:
> >I'm not sure (I haven't tried it in other words), but I believe the y=y-1
> >statement should be part of the ELSE block that is computing 'switch =
> >switch + 4 * (x - y) + 10'. If you look at Andy's code, that line (i.e.
> >the y=y-1 line) is indented to the same level.
> 
> BINGO! Thanks Scott, that was the problem. I should have been more careful
> when editing that code. The circle it produces is a bit rough, with a large
> step size between pixels. I guess that could be changed with some editing
> of the code. I really need to take a look at it to see how exactly it
> works, when I get some time (yeah, right <G>)

Bytecraft has a nifty routine that breaks the t values up 
into a smallish lookup table with the slopes rather than 
the values. It is extremely short. I can't copy it to the 
list though, because the routine is not mine to copy.

-- 
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