x' = x*x + y*y
x' = x*x - y*y

Or something like that, springs to mind. But I could be very wrong.
Failing that, try bresenhams circle drawing algorithgm - that's a good 'un.

I reckon, it would be cool to stick functions like this in a library for
future use...

Dan Everton wrote:
> David . wrote:
>> Dumb question, but is it possible to draw a circle in a plugin?
>
> There's no circle drawing function available from the plugin API. But
> you could probably just nick the code from rockpaint's draw_oval
> function. Or write your own circle drawing function, they're not that
> hard.
>
> Dan
>
>
>
>
Received on 2006-09-15