Thank you lloyd & Phil!
It finally worked with a mix between both of your ideas:

effect("Bevel Alpha")("Light Angle")-180

the math.abs invoked error and the 8-1 just did not follow properly.

Thank again

oops dont want the abs:

effect("Bevel Alpha")("Light Angle”) * -1

lloyd

On Thu, Oct 24, 2019 at 11:33 AM Lloyd Alvarez <lists@aescripts.com> wrote:

maybe multiply by -1?

Math.abs(effect("Bevel Alpha")("Light Angle”) * -1

Cheers

Lloyd

On Thu, Oct 24, 2019 at 11:00 AM Phil Spitler <AE-List@media-motion.tv> wrote:

Try this…. Basically subtracting 180 from the bevel angle and making it stay a positive number.

Math.abs(effect("Bevel Alpha")("Light Angle”)-180)

I have not tested it…

Phil

Phil Spitler  Creative Technologist

t  415.394.8200  c  415.571.3139

On Oct 24, 2019, at 6:54 AM, Evan Fotis Georgoulakis <AE-List@media-motion.tv> wrote:

Hello all,

can a math savvy person please advise on a simple expression where a drop shadow effect will follow bevel alpha effect angle at the opposite direction?
(trying to fake a bevel w/ shadow)
I tried linking the drop shadow to bevel angle /180
(effect("Bevel Alpha")("Light Angle")/180)

but of course anything less than 180 degrees in the bevel  angle results in 0 for the shadow :-)

Thank you



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Cheers, Lloyd

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Cheers, Lloyd