Filip Vandueren
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For example, paste the below keyframes on a layer.
Using a slider will allow you to crossfade manually (with keyframes) between the results of an expression (in this case simply a wiggle), and the pure keyframes
Adobe After Effects 8.0 Keyframe Data
Units Per Second 24
Source Width 1
Source Height 1
Source Pixel Aspect Ratio 1
Comp Pixel Aspect Ratio 1
Transform Position
Frame X pixels Y pixels Z pixels
0 705.165 668.574 0
20 865.165 668.574 0
40 865.165 508.574 0
60 705.165 508.574 0
80 705.165 668.574 0
100 865.165 668.574 0
120 865.165 508.574 0
140 705.165 508.574 0
160 705.165 668.574 0
Expression Data
w=wiggle(2,200,2);
linear(effect("Slider Control")("Slider"),0,100, value, w);
End of Expression Data
Effects Slider Control #1 Slider #2
Frame
0 100
28 100
140 0
End of Keyframe Data
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yep, “finish it tonight” 🙂
Here’s my work, still pretty slow calculation, but drawing the complex mask was even slower. Check it out:
BTW: the highlight layer needs the adobe font “Source Serif Pro”, because every font (that includes it) has a slightly different ■ (Black Square) character design.
Source Serif Pro’s is exactly 60 x 60 px at 100pt fontsize, which is used as a constant in the position and scale calculations
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It looks more like an ascii art effect on a black and white matte, if we’re talking about the same effect in the background.
https://asciify-this.herokuapp.com
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Working on it. Nearly there 🙂
A solution with a second layer that renders and positions the block characters is working, but renders slowly because of many expression selectors.
So I’m better off creating an algorithm that draws multiple boxes connected with an invisible hairline inside 1 mask, based on the one I already had.
I’ll probably dinsdags it tonight.
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The two approaches you mention are exactly how I would tackle it.
Funny enough I was working on a version today.
I posted a simple implementation a while ago that could highlight 1 word using a mask, here it is again if you like. it uses the solid composite effect with an effects mask, so you can do layer transfer modes, which enable you to do stuff like inveriting text etc.
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I’m sorry, I didn’t realize you were using a line with nulls…
Don’t know if the original project is still reflecting what your code looks like now, but in that getNullLayers() loop, you can add the condition of i < data.length, to stop adding more nulls to the list.
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You wouldn’t see them at all at opacity=0;
You can also position them offscreen or set their scale to [0,0] with an if/else in those parameters.
Either way: there is no way to delete layers with an expression, that would have to be achieved with a script.
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Maybe you can simply set the opacity of the surplus layers to 0 ?
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I think it just needs to be f instead of a:
linear(f,0,1,0,100);
but this will only work if the position of the anchorpoint is indeed at the same position as your coordinates, otherwise sampleImage() is actually samlping somewhere else,
I don’t know how your cursor is set up to control the null object, but that could be an issue too.
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What do you mean by “set its leads”?