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| THANK YOU ALL AGAIN! I love this list. ⤠- Rachel On Jan 23, 2014, at 3:53 PM, Chris Zwar <chris@chriszwar.com> wrote: > Here's the expression I use - apply to a 3D layer's scale value, assuming your camera is called "Camera 1" > > campos=thisComp.layer("Camera 1").toWorld([0,0,0]); // camera position // > zoom=thisComp.layer("Camera 1").cameraOption.zoom; // camera zoom // > lpos=thisLayer.toWorld(thisLayer.anchorPoint); // layer position // > lscl=thisLayer.transform.scale; // layer scale // > > d=length(campos,lpos); // distance from layer to camera // > > xscl=lscl[0];yscl=lscl[1];zscl=lscl[2]; > x=(d/zoom)*xscl; > y=(d/zoom)*yscl; > z=(d/zoom)*zscl; > > [x,y,z] > > > Basically, the camera's lens is measured in pixels and called "zoom". A layer will appear 100% of it's size (i.e. normal) when its distance from the camera is the same as the "zoom" value. > > That expression calculates the distance in world space, so not affected by parenting, and takes into account the scale values already applied to the layer. > > -Chris > > -----Original Message----- > From: Rachel Max [mailto:rachelmax@mac.com] > Sent: Friday, January 24, 2014 10:16 AM > To: 'After Effects Mail List' > Subject: [AE] distribute layers in Z space - but keep "relative" positions > > Hi again, in the vein of the anamorphic illusions - is there a script or trick to affect the Z of a layer, but have it appear as if it hasn’t moved by scaling it and changing it’s position? > > I’ve been eyeballing it but that has to be an easier way or some math I can do. > > Thanks, > Rachel > > > > > +---End of message---+ > To unsubscribe send any message to <ae-list-off@media-motion.tv> |
