"Tim Nikias v2.0" <tim.nikias (@) nolights.de> wrote in message
news:4058fb95@news.povray.org...
> So, I've had some trouble with my new particle-system lately, some
> particles, when being pushed against walls due to wind or such, would just
> pop through the wall and move outside...
>
> I've made several attempts and used several approaches to circumvent this
> problem and it seems like I've found a solution. Still, with all the
> accuracy this System requires for it's adaptive sampling, trace()-calls
etc,
> there's no 100% guarantee that a particle will never pass through a wall.
>
> Anyways, there are still some issues to get settled before I can release
the
> code to the public (some features still need to get implemented), but I
> wanted to show off a little, just to show that I'm working on it. :-)
>
> In this animation, the particles are restricted to a spherical/elliptical
> hull. When they hit the barrier, they cause some tiny shockwaves. Here I
> show off that the particles' data may include an endless amount of Vectors
> (so you may tug as much information along with a particle as you want to)
> and when Impacts occur, this data may be accessed or even modified.
>
> Here, every particle is assigned a color, which it carries along until it
> dies. Whenever an impact spawns a shockwave-particle, the color is given
to
> the shockwave.
>
> The movement is generated using the vturbulence()-vector-expression to
> generate a modifying vector based on the particle's current location.


Cool -- yet another great possibility for music visualization.

-- 
- Respectfully,
Dan
http://<broken link>

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