CGTalk - animating particle cloud radius

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seb4d

11-19-2002, 02:53 PM

Hi everyone !
I have a particle emitter with particle could shape and I'd like each particle's radius to increase throughout the particle life.
For exemple the radius of the particles is 1 when they born and then grow continuously until their deaths.
How can I do that effect ? With expressions ?

Thank you for your help !

alexx

11-19-2002, 02:59 PM

i think that one is well described in the manuals!

- per particle attribute: radiusPP
- map a ramp to it and adjust the brightness to match the desired values (bottom: 1; top: how big you like it)

rtfm :p

cheers

alexx

seb4d

11-19-2002, 04:04 PM

ok thanks !
i just hadn't found where to add dynamic attributes !
now i get it !

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