Re: [glob2-devel] PerlinNoise based clouds

[Bradley Arsenault]

On 1/28/07, Leo Wandersleb <address@hidden> wrote:
> Hi *
>
> I couldn't resist to use Perlin Noise for the clouds as well. For the first 
> results it was some 15 minutes of figuring out where to code and to implement 
> it. Now I'm not satisfied with the fact everything turned a bit darker. But 
> please see if you like it.
>
> Advanteages are:
> no repeative patterns
> dynamic clouds that appear and disappear
> wind can be made random in that way, too.
>
> Disadvanteages:
> untested
> darker so far (pn maps to [0;1] but most values are [.3;.7]). this can be 
> solved with clipping.

How about when you generate the values,, lets say between 0 and 255,
that only values above 150 constitute a cloud. This will create an
obvious bias towoards open sky, but still create visible clouds for
the game.


> slower (significantly when i painted 1x1 squares but 5x5 squares are quite fine 
> and 25 times faster. 10x10 still looks good.)
>
> greetings,
>
> Leo Wandersleb
>
>
> _______________________________________________
> glob2-devel mailing list
> address@hidden
> http://lists.nongnu.org/mailman/listinfo/glob2-devel


--
Really. I'm not lieing. Bradley Arsenault.