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An odd BUG in the AE expressions drove me nut
Hi all (specially Dan!)
Did you know that Javascript engine of “AE CS 6” cannot detect ‘7’ nor ’14’ number in ‘y’ component of a ‘Point’?!!!
Assume there is a text layer which has an expression effect of type Point. (Let me name it “P” and set it to [6, 7].) Now, insert the following code for the Source Text of this layer.
if (thisLayer.effect("P")("Point").value[1] == 7)
"YEP";
else
"Cannot detect 7 number!"; -
2 Replies
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I’m not seeing that behavior, but it might depend on how you’re setting the value. I wouldn’t set up a test that way, because as I recall, Point Controls get some spatial interpolation (like position keyframes), so I would do it more like this:
if(Math.abs(effect(“Point Control”)(“Point”)[1] – 7) < .001)
“YEP”
else
“NOPE”;Dan
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Thanks a lot Dan!
In my case, I used an expression effect of type ‘Point’ to hold ‘table cell index’ value in my project and the workaround I used is as follows. Anyway, thanks for your attention.
var cellIndex = thisLayer.effect("P")("Point");var i = parseInt(cellIndex[0]);
var j = parseInt(cellIndex[1]);
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