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On a null layer, apply the "Slider Control" effect. In the camera or the text, (not both) change the position expression to be:
(whatever is already there) + [0,0,---SLIDER---]
For "---SLIDER---", use the pick-whip to select the number field of the slider effect. Then any changes to the slider will be added to the Z-parameter of your position. to change position over time, simply keyframe the slider values.
So if you made the change to the text position, the expression might look like:
thisComp.layer("Camera 1").transform.position + [0,0,250+thisComp.layer("Position Control").effect("Slider Control")("Slider")]
or:
thisComp.layer("Camera 1").transform.position + [0,0,250] + [0,0,thisComp.layer("Position Control").effect("Slider Control")("Slider")]
Bruce
On Saturday, August 17, 2013 8:56:28 PM, Stephen van Vuuren wrote:
I’ve got a comp with a camera flying forward while slowly rotating in
Z through a 3D scene (title sequence). I want text layers to be offset
from the camera in front. That’s easy:
thisComp.layer("Camera 1").transform.position + [0,0,250]
thisComp.layer("Camera 1").transform.zRotation – 90
But I want the text layers to be moving slightly off-speed with
respect to the camera, camera slowly catches up and passes them, so a
variable offset if you will. And nice if further offset could be tied
to opacity (far away would fade in).
I could manually do this of course but wondered if there was some cool
way to do it with expressions.
*stephen van vuuren*
336.202.4777
**
*http://www.insaturnsrings.com/*
*http://www.sv2dcp.com/*
*http://www.sv2studios.com/*
**
/A film is – or should be – more like music than like fiction. It
should be a progression of moods and feelings. The theme, what’s
behind the emotion, the meaning, all that comes later./
–*Stanley Kubrick*
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