An easy fast way to do this...

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  02 February 2013
An easy fast way to do this...

So i have a load of elements in a group (say 50) and i want them to individually flash on and off (using opacity or visibility) randomly. Is there a quicker way to do this than key frame each ones opacity channel in the material or the visibility channel. They will all have the same material applied.

many thanks if you can save me some time!

  02 February 2013
This is probably easy to do via max script, sadly i dont know max scripting.

The 'fastest' way to do it manually i can think of right now is probably to copy/paste a waveform controller and adjust the phase for each element.

Or you could do it with particle flow maybe...

Last edited by ACiD80 : 02 February 2013 at 01:16 PM.
  02 February 2013
A waveform or noise controller for the visibility should do the trick.
  02 February 2013

so apply a wave form or noise controller to each individual element? that would save the key framing... shame theres no way i can select all of them and apply a 'animated random element visibility' script

thanks for the help
  02 February 2013
Definitely a particle system with a short lifespan per particle, no speed to they are fixed. Emitted from whatever you want.
  02 February 2013
so with the particle system route...

select all objects group them then create particle system object instance as group and children etc...

with the life span thing how would that get them disappearing and re-appearing would it not just birth each one once then they'd die? or could i animate the birth rate so they die and are reborn randomly also? if u see what i mean?
  02 February 2013
If you use PFlow, you would have the Birth frame range set from 0 to the end of the sequence, and then adjust the Amount to fit your needs.

Use a Shape Instance set to group members like you said, and have the particles die after 5 frames for example using a Delete operator.

This should just keep spawning instances of your objects for as long as you want it to.
  02 February 2013
thanks for the help on this, ill give it a whirl...
  02 February 2013
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