Here's an example animation from my Particle-System on which I've been
working
on over a year now.

A lot of algorithms are stuffed into the package, since
a) it's text-based POV-Code
b) it uses NO I/O, neither on a frame per frame, nor a single data-file
basis

It is pretty versatile in use, though the physical aspects (rebounce off
any object)
are limited, since it is quiet difficult to handle an entire physical
scene ;)

Since it does not use I/O, I can have time move back and fourth, loop,
stand
still, reverse... Though there can't be seen much of that in this
animation. More will
soon follow, as I make progress in searching the system for errors and
leaks.

It is a torus-emitter, which gives each particle a direction based on
the surface-normal
(though this is handled with my algorithms, nothing fance about checking
normals with POV).
The particles are spread evenly around the axis, which also contributes
to the nice color-shift
applied to them.

What do you think?

Post a reply to this message

Attachments:
Download 'rainbow1.mpg' (293 KB)

"Tim Nikias" wrote:
> Here's an example animation from my Particle-System
> on which I've been working on over a year now.

> What do you think?

Wow, that's pretty nice! :)

Inspired by this animation I've just rendered a particle system animation
which also has small colored balls bouncing around. You can see it in this
group.

Look forward to see more from you!

Rune
--
3D images and anims, include files, tutorials and more:
Rune's World:    http://rsj.mobilixnet.dk (updated Nov 5)
POV-Ray Users:   http://rsj.mobilixnet.dk/povrayusers/
POV-Ray Webring: http://webring.povray.co.uk

Post a reply to this message

Everyone is doing particle systems! And why not, when they are fun to watch, and even
more fun to program yourself! Nice colours Tim.

MJL

--
light_source{12*(y-z)rgb 2fade_distance 9fade_power 2area_light x,z,5,5}#macro A
(H,B,R,T)prism{0,1H+4,0u*9,9v*9,0#local I=1;#while(I<H)#local V=asc(substr(B,I,1
))-33;<div(V,10)mod(V,10)>#local I=I+1;#end pigment{red 1}rotate-<90,R>translate
-T}#end A(16"/.@VZno=<PLA89/"0,5*x)A(14",6;MWmhryXN3,"60<15,0,8>)camera{location
25*(y-z)look_at 0}A(8"6hiAG=6"-60,-10*x)box{-99(x+z)*99 pigment{rgb 1}}   // MJL

Post a reply to this message

"news.verizon.net" <mra### [at] hotmailcom> wrote in
news:3fe54077@news.povray.org: 


> 
> I welcome comments, at least on the wind part and the system in
> general. 
> 
> 
> 

I can't play it.  What did you encode with?

-- 
Tom
_________________________________
The Internet Movie Project
http://www.imp.org/

Post a reply to this message

Tom Galvin wrote:
>"news.verizon.net" <mra### [at] hotmailcom> wrote in
>news:3fe54077[at]news.povray.org:

>
>I can't play it.  What did you encode with?
>

Hmm, I thought it was encoded as MPEG-1, but it appears to be MPEG-2
instead... :(

Post a reply to this message

"Michael Raiford" <mra### [at] hotmailcom> wrote in news:3fe5faa6
@news.povray.org:

> Here's an mpeg-1 version of the ani.
> 

Ah..there we go.  Nice so far.  Is this a SDL only approach?


-- 
Tom
_________________________________
The Internet Movie Project
http://www.imp.org/

Post a reply to this message

"Tom Galvin" <tom### [at] imporg> wrote in message
news:Xns### [at] 204213191226...
> Ah..there we go.  Nice so far.  Is this a SDL only approach?


So far it is. I'm realizing now I may need to run the sim. on the first
frame, dump it out, then read it on subsequent frames. With large particle
counts, it tends to get really slow on parse time as more frames pass.

I now have collision detection working for the most part (particle-object
interactions), but some particles still fall through. So, I may have to
re-think how I am handling collisions. I did render a neat animation of
falling goop over a sphere. I dunno if I want to burn POV's server space to
upload it though. I might pop the animation on my website and send a link
later on.

Post a reply to this message