"Peter Popov" wrote:
> In what other way would you calculate gravity?

By not dealing with the weight? For example the user could instead specify
how many units a particle should fall down in one clock unit.

However, I do see the connection between kilograms and particle systems, I'm
just pointing out that it's not a requirement.

Rune
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On Thu, 21 Mar 2002 23:32:56 +0100, "Rune"
<run### [at] mobilixnetdk> wrote:

>By not dealing with the weight? For example the user could instead specify
>how many units a particle should fall down in one clock unit.

If you want to do it this way, you have to assign a POV unit to
acceleration (which has a known direction and so only its magnitude
matters) <g>


Peter Popov ICQ : 15002700
Personal e-mail : pet### [at] vipbg
TAG      e-mail : pet### [at] tagpovrayorg

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