time of event happening

[mic]

hello friends!

simple problem:

pop: location -> event 'too_old' ($FF > 25). i want to query only the time of event happening. for example, popeventtime('too_old') will evaluate always after 25 frame.. and i want only 25th frame..

(event = ($FF>25) && ($FF < 26) isn't very good solution, because in real scene eventRule is much larger and some particles can slip through "manually edited range")

[ragupasta]

Cant you just use the $F == 25 expression?

[mic]

Cant you just use the $F == 25 expression?

no - this is an example, the real event rule is smth like ($dist (my attribute) < n), and unlikely this attr will ever take on a value n for a custom particle.

in other words, i need 'poppoint at given (past) frame' (like 'chf' expression function, but for particles)

Edited August 6, 2008 by mic

[mic]

the whole problem is:

in my particle system particles are dead when some condition happens (some distance < n if age > m). i don't want them dead, i want to animate pscale smoothly to zero (you know, f(x) = 1 + 2x^3 - 3x^2 [smooth curve from one to zero]). so i need the exact time of the condition's implementation - to bring to my formula. from this moment pscale must reduce.

of course there are some fake solutions like [event=true => pscale*0.5, if pscale < 0.01 => kill]. but i'm interested in a smart solution)