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A little Xpresso noob problem translating 0-100% to rotation values

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Tyler JoyntA little Xpresso noob problem translating 0-100% to rotation values
by on Dec 9, 2014 at 4:43:31 pm

THere's probably another way to do this, but this is how i'm trying to do it.

I have object, and my camera is just flying around it 360 degrees.
yes, I could keyframe it, but i want to be able to change stuff around.

Right now I have a camera in a Null with an Align to Spline tag on the null, and the spline is just a big circle. So far, that's easy. Just animate the align to spline 0-100%.

But I want to be able to rotate the camera based on the position 0-100%.
I'm sure I can translate this with xpresso, but i cannot figure out how.


I added an xpresso tag, pulled in the Alight to Spline tag with it's Position on the out, and then brought in the camera and it's global rotation H, but obviously that doesn't give correct values just 1:1


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Emir BojorquezRe: A little Xpresso noob problem translating 0-100% to rotation values
by on Dec 9, 2014 at 6:03:06 pm

You need to use a Range Mapper Node inside Xpresso, Range Mapper translate a unit to another, lets say for example from Percentage to degrees.

Good Luck

Imagination is the best tool...



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