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Urgent Mask Help.
Hello,
I have a base picture, then using a mask and stroke, it gets scratched away to reveal another image – Just like a lotto scratchy.
That bit is fine. But now I want to add a still of a hand, so you get more of an idea that it is someone scratching away at a scatchie.
So I have dropped a hand over the top and copied the mask shape from the stroke layer so that the hand follows it perfectly.
And it works like a gem!
Except – it does it in reverse. It starts at the bottom and goes to the top.
I need to to start at the top and scratchy away in-time with the stroke down to the bottom.
What switch do I need to flick to get it to follow the mask in reverse.
Thank you!!
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7 Replies
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I’m rendering so this is from my unreliable memory…
Click “Show Masks” in the Comp window (next to Safe Area button).
Look for the mask point that has a bigger square than the others (that’s the current “first vertex”.
Click the point at the opposite end of the mask shape and make menu slection: Layer>Mask>Set First Vertex.Hope I understood the question correctly.
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That’s it.
But when I do that, it just joins the last mask point down the bottom directly with the first mask point up the top.
It’s weird. As my first mask point is at the top anyway, but for some reason, the layer follows it from the last through to the top. complete opposite to the stroke?!
Any other ideas.
Thank you!
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Hi.
Okay, got the wrong way thing to be fixed.
NOW, how do you copy a mask shape, and paste it into a items anchor position, while keeping it a constant speed.
When I paste it it, it give me two key frames, first and last.
When I drag the last key frame out, to match the last key frame in the stroke – all the key frames in between dont stay the same distance apart, the are fast, then slow down, the fast again. How can I make it a constant speed?
Thank you.
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It’s okay – I am going to do each key frame by hand!
thanks
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I think you want to try this:
Select the middle keyrames(the keyframes in between the first and last keyframes), then:
Animation>Keyframes Interpolation
and change the dropdown in the “Roving” box to “Rove Across Time”
Search forr roving keyframes in the AE Help, those roving keyframes can be very handy sometimes.
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Just out of interest, what did you do to get the wrong way round thing to be fixed?
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Re did the mask the opposite way around. Not exactly a solution, but a quick fix!
For some reason, when you copy a mask shap into another layers properties, it starts at the end and works backwards…
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