In article <3c4a9331$1@news.povray.org>, "JRG" <jrg### [at] hotmailcom> 
wrote:

> I've just posted one of your demo scenes to p.b.a.

I'll take a look.


> How can I make the particles interact with moving objects?

This isn't implemented yet. There isn't really a good way to specify 
motion in current versions of POV, since all the calculations are done 
by the parsing engine. One of the things I was trying was "dynamic 
transforms", you would specify a series of transformations and it would 
interpolate between them based on a time value. These would be useful 
for other animations as well...the patch actually seemed to work, but 
used linear interpolation, so you needed a large number of "keypoints" 
for good motion. I haven't done much with my patches lately...

One of the things I've been thinking of doing would be to turn the 
particle_system into a physics_system, with particles, string, cloth, 
and solid objects, all interacting with each other. This would probably 
require the tesselation patch to help approximate the forces on the 
objects...the object that interacts with the other things in the system 
would be an automatically generated mesh, but the object that gets 
rendered would be a "doppelganger" object that matches the mesh's 
orientation and position. However, it is unlikely that I'll do more 
development until POV 3.5 is out.

-- 
 -- 
Christopher James Huff <chr### [at] maccom>

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