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particle world mask trace

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Kevin Smithparticle world mask trace
by on Nov 24, 2010 at 1:23:33 am

hi everyone, this is my first post

i am doing an effect where i need to trace some text with particle world. it will look like the text is being written on by sparkles.

my question is how do i get the producer position x and position y to track along a mask?

i can make a pre comp from my particle world layer and parent it to a null object that tracks along the path but that won't give me the right effect. i need to have the actual producer positions (in particle world) to follow the path.

i'm thinking some kind of expression is needed but my skills are limited.
any suggestions?

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