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Mask Control Points

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Rob BraunMask Control Points
by on Dec 9, 2010 at 12:53:52 am

I've been having trouble with mask control points. I've got multiple masks moving around the stage and I need to control the individual control points. When I first create the mask this isn't a problem but I'll click off to change some things or go to control another mask. The problem arises after I click off the mask, I can't always get back to controlling the individual control points, it'll want to move the entire mask and it's a very hit or miss thing to get back to controlling the individual points. Does anyone know of any way to make sure I click the control points when I need just them?

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Graham MacfarlaneRe: Mask Control Points
by on Dec 9, 2010 at 11:27:03 am

Which version of AE are you using?

Controlling mask points should be as simple as click and drag if your mask is visible (Mask or layer that mask resides on must be highlighted in the timeline for visibility)

When you find that the whole mask is moving when you only wanted to move one point you will notice that all the points of the mask are a filled squares (default yellow). If that is the case, click once anywhere inside or outside the mask (points turn to filled dots). Then single click on any one point to move it. That point will become filled and square and the others will become empty squares.

Graham Macfarlane
3D animator and VFX specialist
London UK

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Rob BraunRe: Mask Control Points
by on Dec 11, 2010 at 12:24:50 am

It's working now. I think my problem was I was clicking just off center the control point, and so that's why it was moving the whole mask and not just the point.

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