|
|
On 9/17/2010 5:58 AM, Kenneth wrote:
> John VanSickle<evi### [at] hotmailcom> wrote:
>> The only drawback I see is that the motion of nearby clumps of grass
>> should vary less than it does. The amount of motion at any point looks
>> fairly good, but the distribution of the randomness is a bit tight.
>>
>> So the small-scale turbulence should be lower, and the large-scale
>> turbulence should be higher.
>
> Interesting, and something I didn't see. (I ran a bunch of tests, varying one
> thing and another, and wasn't really happy with *any* of them, except the final
> one I posted.) I'll take a more critical look at those aspects. There are
> actually *three* things that could be altered for each of the two bumps 'wind
> turbulences' I used, all of which interact (visually): the intensity,
> the size of the bumps pattern, and its speed (relative to the other pattern, as
> well as the absolute speeds of both.) From your comments, I take it that the
> *intensities* of the two wind patterns could use some relative adjustment. I'll
> give that a try.
It may be that you need turbulence at a spatial frequency below even the
lowest one you've put into the sim.
Regards,
John
Post a reply to this message
|
|