An easy fast way to do this...

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Old 02 February 2013   #1
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!

Old 02 February 2013   #2
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 CHRiTTeR : 02 February 2013 at 01:16 PM.
Old 02 February 2013   #3
A waveform or noise controller for the visibility should do the trick.
Old 02 February 2013   #4

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
Old 02 February 2013   #5
Definitely a particle system with a short lifespan per particle, no speed to they are fixed. Emitted from whatever you want.
Old 02 February 2013   #6
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?
Old 02 February 2013   #7
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.
Old 02 February 2013   #8
thanks for the help on this, ill give it a whirl...
Old 02 February 2013   #9
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