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Has anyone ever tried to do the following?
sphere_sweep {
cubic_spline
4 , // Num_of_spheres
#if (clock > 0.25) < 50 , 50 , 50 >, 8 #end
#if (clock > 0.5) < 50 , 60 , 50 >, 8 #end
#if (clock > 0.75) < 50 , 50 , 90 >, 8 #end
#if (clock > 0.9) < 50 , 40 , 50 >, 8 #end
texture {
pigment { color Red }
}
}
I keep getting an error where povray expects a number expression and finds
the texture { instead. I think its related to the number of spheres
changing dynamically with the clock? Any suggestions? I would really prefer
to use a sphere sweep.
As always, much thanks!
-mike
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Wasn't it Mike who wrote:
>Has anyone ever tried to do the following?
>
>sphere_sweep {
> cubic_spline
> 4 , // Num_of_spheres
> #if (clock > 0.25) < 50 , 50 , 50 >, 8 #end
> #if (clock > 0.5) < 50 , 60 , 50 >, 8 #end
> #if (clock > 0.75) < 50 , 50 , 90 >, 8 #end
> #if (clock > 0.9) < 50 , 40 , 50 >, 8 #end
> texture {
> pigment { color Red }
> }
> }
>
>I keep getting an error where povray expects a number expression and finds
>the texture { instead. I think its related to the number of spheres
>changing dynamically with the clock? Any suggestions? I would really prefer
>to use a sphere sweep.
The Num_of_spheres has to agree with the number of spheres.
When the clock has value 0.0, then your code evaluates to
sphere_sweep {
cubic_spline
4 , // Num_of_spheres
texture {
pigment { color Red }
}
}
Num_of_spheres is still set to 4, but there are 0 spheres.
A cubic_spline with zero spheres isn't going to parse anyway. The
minimum is 4.
--
Mike Williams
Gentleman of Leisure
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