Ok, cool. It works great now. Can you explain how that works?

"Warp" <war### [at] tagpovrayorg> wrote in message
news:3fa850c0@news.povray.org...
> Wesley Parker <wes### [at] verizonnet> wrote:
> > Hey, i had an idea for something pretty interesting but I am having
problems
> > implementing it.  What i did was create a sphere with object media at
the
> > origin with a radius of five. That part was easy enough, but placing the
> > lights is troubling me. I need the placement to be random, but at the
same
> > time the lights need to be on the inside of the sphere.
>
> #declare Seed = seed(0);
>
> #declare LightLocation = 10*<rand(Seed), rand(Seed), rand(Seed)>-5;
> #while(vlength(LightLocation) > 5)
>   #declare LightLocation = 10*<rand(Seed), rand(Seed), rand(Seed)>-5;
> #end
>
>   After the loop ends you will have a random point inside the sphere
> of radius 5 in 'LightLocation'.
>
> -- 
> #macro N(D)#if(D>99)cylinder{M()#local D=div(D,104);M().5,2pigment{rgb
M()}}
> N(D)#end#end#macro M()<mod(D,13)-6mod(div(D,13)8)-3,10>#end blob{
> N(11117333955)N(4254934330)N(3900569407)N(7382340)N(3358)N(970)}//  -
Warp -

Post a reply to this message