Re: [pygame] Old pygame tutorial not working

[Knapp <magick.crow@xxxxxxxxx>]

On Mon, Aug 4, 2008 at 10:15 AM, Jake b <ninmonkeys@xxxxxxxxx> wrote:
> On Sun, Aug 3, 2008 at 2:46 AM, Ian Mallett <geometrian@xxxxxxxxx> wrote:
>> If colors had only a red component, suppose, there would be 256 shades of
>> red.  Because this is the case with grey heightmaps (only 256 shades of
>> grey), there can only be 256 heights encoded.  The obvious solution is to
>> use all four values of color to encode more data, but this is
>> computationally unfeasible.
> I'm curious why? ( My thought is that doing a get on r,g,b,a would be
> fast relative the blur operation? )
>
> Does this fix it?
>
> soften[1:][0:] += Data[0:-1][0:]*8
>
> I think if you want to slice pixel arrays then PixelArray() works
> better: http://www.pygame.org/docs/ref/pixelarray.html
>
> --
> Jake

Why not just use an array of floats?


-- 
Douglas E Knapp

http://sf-journey-creations.wikispot.org/Front_Page