Popevent not working, what I am doing wrong?

[tomhanks]

I am doing some particle sim, I am emitting some particles and spliting them to make a trail, but I want that my split POP stop after my leader particle moves to a certain height, so I am using the popevent with a simple expression like "$TY<1", so my particle just keep spliting until reaches 1 on Y axis, but it's not working, can anyone help me?

event.hip

[Nibbler]

i think you must get to the "P" [y] attribute of a particle instead of $TY

[tomhanks]

Hummm, maybe, I'll try that.

I'll let you if it worked.

[tomhanks]

Nope

I tried but it didn't work, i put the expression on the event "point("../source1",$ID,"P",1) < 1" and still it emitting all the time.

Any Ideas?

[Emanuele Berti]

Hi Michel,

I had a look at your scene and I think you are using the Event POP in the right way.

You have an unexpected behavior just because each time the Event POP returns 1 (when one single particle has $TY less than 1), every particles are splitted and not just the ones with $TY less than 1.

So, I made a little change in your scene... and a different way to do what you are after without using the Event POP because in your test it isn't really helpful.

Good luck,

Emanuele

event_fix.hipnc

Edited February 9, 2010 by Emanuele Berti

[tomhanks]

Thank you very much this was exactly what I was after!

But it seems you don't really need the event pop if you use the group pop, is it right?

I still dont understand the way event work in certain cases.

But thanks for the feedback