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making particles orbit around an object
Hi there. I am currently working on a project which is a valantined theme shoot featuring fhm models shot on a green screen.
What I would really like to do is make love hearts orbit around the girls.
I have played around with particular and set the particle as a pre composed heart. I then used a light to animate a motion path. I was just using some old keyed out footage. My problem was that the hearts would either be infront or behind the models. I could not get the heart to spiral around them.
I have been searching for a while but could not find anything to help me out.
If anyone has any suggestions or links to tutorials please let me know.
Many thanks
James Cheetham
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5 Replies
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Here’s what I would do.
Set up a partcile animation in which the emitter is going around in the circle you want it to go. Pretend that it can go behind the object as well as in front. In other words, animate it as if it could have an object in the middle.
Then Duplicate the particle animation. Place one behind the keyed actor or object.
Now, with the front emitter, do the following: whenever the emitter should be in front of the object, set the particles Per second (particular) to emit however many you want. Say for example 100.
When it gets to the point where it’s rounding behind the actor (so directly to the side of the actor) set it’s particle’s per second to 0. Then when it reaches the other side (so at -90 degrees from the actor) set the partricles per second back up to 100.
For the particles behind it, do the reverse.
I know you are using particular, but check out this tutorial for particleIllusion that does exactly like what you want. Even though you are using different software, it follows the same basic concepts:
https://wondertouch.com/tutorials/around_01/around.htm
Aharon Rabinowitz
Email: arabinowitz (AT) yahoo (DOT) com
All Bets Are Off Productions, Inc.
Creative Cow After Effect Podcast
Internet Killed the Video Star: A Guide to Creating Video for the Web -
The alternative is using Particular’s Obscuration Layer function. This allows the particles to be obscured by a 3D layer.
Make your model footage a 3D layer and set Particular to use that layer as an obscuration layer under the Visibility section of the effect. Any particles that pass behind the 3D layer will be obscured.
Darby Edelen
Designer
Left Coast Digital
Santa Cruz, CA -
I wish I was as loquacious as Aharon. if you check out this link:
https://creativebloc.com/recent_pure.htmlall of the floral elements were created in Trapcode Echospace to circle around the girls. I’m terrible at explaining how I did it but it’s not so bad. Basically start a comp and bring in the hearts. Apply echospace and choose, say 20 instances, hit the repeat button. Use y rotate in echospace to spread them out around a circle. then use the null layer “main” rotation property(created when you hit the repeat button in echospace) to make the ring of hearts rotate.
Copy all of this into the comp with the girl (a 3d layer I’m assuming) and shy all layers except the “main” layer (to use for control) Position the null layer approx where the girl is and watch the hearts spin around her!
Hope this helps…
pec
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HI thank you all for the help. I’ll be sure to try all of these techniques to see which is most suitable for the project. I will also look into particleillusion, as if it can do this easily It may be worth getting my boss to buy it for me haha.
Cheers
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Hi Joel, I have been on creativebloc.com/port and watch PUREOLOGY (by the way its exelent) I assume that you participate on that, and Iam very interest about camera moving on a start along with four colour line, like I said on a begining 5, or 6 sec.
thanks
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