Random Sprite Video on Particles?

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pablogv
Posts: 12
Joined: 11 Jun 2009, 08:37

Random Sprite Video on Particles?

Post by pablogv » 11 Oct 2012, 13:31

I have a cycle video clip with a particle borning, spinnig exploding, dissapearing and so. I would like to make a point cloud with this video assigned to the particles randomly in time. I mean all the particles display the esplosion each one at different moment. My settings are in Render Tree, Time Source with Age Limity and Extrapolation 3 cycles before and after. And in Ice Tree, Randomize Value by Range connected to Set Particle Age Limit but I've just achieve that video displays "freeze" on different particles at different moments but I would like the video displays cycled.
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FXDude
Posts: 1145
Joined: 19 Jun 2012, 19:59

Re: Random Sprite Video on Particles?

Post by FXDude » 16 Oct 2012, 04:39

Dont know if you got it working,
but if I got you correctly, you'd like each particle to run your source clip starting at a different frame of that clip?
(which would be an interesting idea for particles with sprites)

I think you can get & set clip params (including start offset)from Ice as much as any other param. in the R-T ..

Otherwise worse case, I dont think youd need more than 4-6 particle types, each with a different clip referencing the same source, & each starting at a different frame..
for it to look random enough..
(I'd have to try it to see, and I admit that getting the first solution to work would be a really useful trick:)
Might try something once I get a few minutes.. & I'll let you know if I do..
good luck!

pablogv
Posts: 12
Joined: 11 Jun 2009, 08:37

Re: Random Sprite Video on Particles?

Post by pablogv » 16 Oct 2012, 17:48

Thanks fxdude for your post. You got me correctly indeed. I'd like each particle to run my video clip starting at a different frame of that clip. I've tried with R.T. parameters as shown in the image attached but I had no success. I've just made the particles start at a different frame of the clip but they keep freezed, not video cycled. I guess I'm doing something wrong...