Which is probably Fernando and Apache currently (apologies to anyone else not
mentioned). Have you experimented with the cloth sim which is part of POVman
0.71.4? I know that re-inventing the wheel is fun (particle system anyone?), but
this simulator can do wind, rudimentary collision detection (this is _slow_), the
cloth can interact with many pov objects, etc. The code behind it may inspire
your own efforts as readers of p.b.a enjoy your anims.

An example anim that I did with this package (at least 6 months ago) can be found
at

http://www.geocities.com/m_j_lewin/cloth1.mpg

It includes friction, changing wind, poor lighting, horrible textures, etc. It is
876kb which is a little too large to post here.

--
light_source{9*(y#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{rgb
y}rotate-<90,R>translate-T}#end-z)rgb 9}A(14",6;MWmhryXN3,"60<15,0,8>)box{-99(x+
z)*99pigment{rgb 1}}fog{distance 11}camera{location(y-z)*25look_at 0}A(8"6hiAG=6
"-60x*-10)A(16"/.@VZno=<PLA89/"0x*5) // MJL

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