On Tue, 5 Apr 2011, Billy Stiltner wrote:

I remember there were lots of tricks that could be done with graphics and integer math as well as binary bit twidling before math coprocessors were in every machine. Look at fractint. Example of circle code seems like I optimized this further but can't remember.

Yeah, I remember the Bresenham techniques, but the whole concept of the convolution theorem and the FFT is a lot deeper than that... it's a really deep optimisation.

BTW, the only Bresenham I'm aware of in Pd is [#draw_polygon]. I used it for making stuff like this :

  http://gridflow.ca/gallery/koch_polygon_3a.png
  http://gridflow.ca/gallery/koch_polygon_2d.png
  http://gridflow.ca/gallery/bezier.png
  http://gridflow.ca/gallery/supercycloid.mov

etc. see the rest of the koch series on http://gridflow.ca/gallery

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| Mathieu Bouchard ---- tél: +1.514.383.3801 ---- Villeray, Montréal, QC
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