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Light Saber
Hi there,
My kids decided to have an improtu light saber battle in the woods today.. I filmed this and just for fun.. thought it would be good to add the light saber effect using Video Copilots new Saber plugin.
The problem is.. they only used the handle of the light saber.. so I have manually tracked a null to where the saber should start.. if I track another null to the base of the saber.. can anyone think of a clever expression that can revers it the other way.. so it would match the rotation ?? I can’t parent it.. because when I add the position expression.. it just flies of the screen..
thanks in Advance
Alex
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3 Replies
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Almost the same expression I just gave in another thread, plus a multiplier for the length of the saber:
mult=5;
thisComp.layer("Null front").transform.position+mult*(thisComp.layer("Null front").transform.position-thisComp.layer("Null back").transform.position)Use this for a third Null’s position (the tip of the saber).
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That’s fantastic Kalle, thank you so much.
I’m trying to work the expression out.. Are you adding the base layer then subtracting the lower level ???
thanks again
Alex -
Simply reversing the position in relation to the top of the handle and multiplying it so the saber is longer than the handle.
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