On 1/6/2016 3:46 PM, Alain wrote:
> It can be done as an isosurface. In fact, there are two builtin
> functions that does just that.
>
> In function.inc, those are: f_helix1() and f_helix2()
>
> The various parameters controll the shape of the spiral, it's spacing
> and some other aspects. Those are some of the functions using the
> largest number of parameters.
> The extent of the shapes generated are dependent on the contained_by
> object. Use a box just whide enough to contain the spiral and as long as
> needed.
> Take some time to experiment.
>
> If you want to use that shape in an animation similar to the linked one,
> you need to adjust the length of the box at the same time that you
> adjust the pitch of the helix.
>
> If the amplitude of the sooilationsis relatively small, and the spring
> far/small enough, it may be possible to use some scalling, but the
> profile of the "whire" will also change.
>
>
>
>
> Alain


How would I create a density function to fill the shape with gas?


Mike

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