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Re: [pygame] Best way to darken an area
On 21 Oct 2006 at 14:15, Farai Aschwanden wrote:
> Hello all
>
> Anyone of you is experienced in darkening an area from daytime to
> nighttime?
>
> - Alpha filter?
> - Setting image pixels to darker value?
> - ???
>
> I couldn't find anything affecting contrast in Pygame that would help
> either.
>
> Any ideas are welcome.
>
To fade an image to black repeatedly alpha blit it with an all-black
image having a small alpha value like 1. In fact - I have only just
tried it - this should work as general way to fade from one image
to another. So you can fade from a daytime to a nighttime image.
Lenard Lindstrom
<len-l@xxxxxxxxx>