Procedual Noise works.
set cut_paste_input [stack 0]
version 7.0 v1b58
CheckerBoard2 {
inputs 0
name CheckerBoard1
selected true
xpos -665
ypos -198
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Reformat {
type scale
scale 0.124
pbb true
name Reformat1
selected true
xpos -665
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}
push $cut_paste_input
Card2 {
rotate {90 0 0}
control_points {3 3 3 6
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name Card1
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push 0
ParticleEmitter {
inputs 3
emit_from faces
lifetime 100
velocity 0.082
velocity_variation 0.52
size 0.01
name ParticleEmitter2
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ParticleGravity {
to {0 -0.0001 0}
name ParticleGravity1
selected true
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ProcGeo {
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Lacunarity 1.24
Gain 1
Speed 0.05
name ProcGeo2
selected true
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}
On 26 September 2012 01:49, Ari Rubenstein <[email protected]> wrote:
> it seems that the ParticleTurbulence is changing its "seed" every time I
> make even the most incremental change to the strength or scale setting.
> I would expect the strength and scale controls, at levels all under 1.0
> (with 0 velocity in the emitter), to simply alter the 3 dimensional noise
> field in a subtle way.
> And yet, even the smallest change to either strength or scale completely
> alters the particle's vector ?
>
> If this is indeed the way the turbulence force works, does anyone have a
> technique they'd share for designing particle motion ?
> I used to work at Xaos Inc., and their system had multiple forces which
> could be effectively layered and visualized for predictable, and subtle,
> iterative motion tweaks.
> I know we're just getting rolling here with particles, but a method for
> predictable visualization of particle motion is needed for
> design/performance work.
>
> thx,
>
> --
> Ari Rubenstein
> Lead Compositor
> www.blueskystudios.com
>
>
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