In article <38ffd58d@news.povray.org>, "Mark Wagner" 
<mar### [at] gtenet> wrote:

> I've been working on the same thing for a fly-through of the Grand 
> Canyon, and I've been running into the exact same problem.  My 
> solution is to use the average of four successive 
> positions/orientations to determine the camera placement.

I haven't looked at the source, but I did something similar a while ago, 
with spheres flying over a height field instead(the camera was 
stationary). I did a simple particle simulation: the spheres had mass 
and were affected by gravity, and they used multiple trace() calls to 
simulate a repulsion effect from the height field. The spheres followed 
the depressions in the height field, like water running off of it.

You could also make some kind of "fuzzy logic" system, maybe specify a 
preferred height which the camera would try to stay close to, and only 
move to avoid collisions.

-- 
Christopher James Huff - Personal e-mail: chr### [at] yahoocom
TAG(Technical Assistance Group) e-mail: chr### [at] tagpovrayorg
Personal Web page: http://chrishuff.dhs.org/
TAG Web page: http://tag.povray.org/

Post a reply to this message