Re: Flight dynamic model



Hi Paul and Lora,
For the record, the code is in c++.
You're correct : the flight model is simple and limited, but it was the best
I could do in a couple of weeks without taking an advanced course in
aerodynamics :-)
About the graphical side : I did some work on it (using DirectX). It
actually had animated flight surfaces, smoke, shadows, sun flare, engine
noise with Doppler effect... I have put some screenshots up on
http://users.pandora.be/playinginthedark/airdancers/airdancers1.jpg
http://users.pandora.be/playinginthedark/airdancers/airdancers2.jpg
It was about a month and a half of work to get to this point. I never
finished it because - well - the fun part was done and there was still A LOT
of work left : collision model, scenery modeling, configurable controls,
network code, ...
Lora, can you let me know if you ever find a use for the code? Thanks!

Davy

"Paul Ryan" <bonanzaf35@xxxxxxxxxxxxxxxxxxxx> schreef in bericht
news:6GOFe.7414$_%4.7293@xxxxxxxxxxxxxxxxxxxxxxxxxxxxx
>
>
> Lora Lee wrote:
> > Dear Davy,
> >
> > Thank you very much for sharing your experience and code with me/us.
> > I'm sure I will learn a lot from your experience.
> >
> > THANK YOU
> >
> > Lora Lee
> >
> >
> >
> >>Hi Lora,
> >>Inspired by FMS I started writing a R/C simulator last year. Never got
> >>around to finishing it though. But I figured out a working flightmodel.
> >>Mostly by directly implementing some basic physics. Of course I haven't
> >>documented my code well :-) but maybe it's a start for you. If I
remember
> >>correctly it worked pretty well, but some tweaking is needed when pitch
> >>approaches -90 degrees. Sorry about the long post.
> >>
> >>Good luck!!
> >>Davy
>
>
>
>
> Very cool, gang, I've never done anything in Delphi, only in Fortran,
> but it looks good. Looks like you stopped short of making the graphical
> part (am I right here or not?). Seems like that would be a challenge,
> but maybe not as hard as I think for someone familiar with it.
> It looks like you're applying all the forces to the plane as a whole,
> and airflow is regarded as uniform over the whole plane. Note that
> without using a velocity-panel type model, where airflow is calculated
> individually at each location, that you will not be able to do any
> non-linear maneuvers, such as spins, snap rolls,lomcevaks, etc. but then
> again, this is how many commercial flight sims are made.
> Good job.
> Paul


.