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Offset layers when resizing a composition

Contributor ,
Jun 17, 2024 Jun 17, 2024

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Hi all. Can someone explain to me the logic of shifting layers when changing the size of the composition?

It always seemed to me that it was done like this, but I don’t get the same result as when changing the size of the composition through the interface

 

var comp = app.project.activeItem;
var w = comp.width;
var h = comp.height;

var nW = 1920;
var nH = 1080;

var x = nW / w;
var y = nH / h;

writeLn(x)
writeLn(y)

var layer = comp.layer(1);
var position = layer.position;
var anchor = layer.anchorPoint

position.setValue([position.value[0] * x, position.value[1] * y]);

comp.width = nW;
comp.height = nH;

 

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correct answers 1 Correct answer

Contributor , Jun 17, 2024 Jun 17, 2024

This is a ready-made solution:

var comp = app.project.activeItem;
var w = comp.width;
var h = comp.height;

var nW = 1920;
var nH = 1080;
var layer = comp.layer(1);
var position = layer.position;

var x = position.value[0] /w;
var y = position.value[1] / h;

position.setValue([ w * x + nW / 2 - w/2, h * y + nH/2 - h/2]);

comp.width = nW;
comp.height = nH;

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Contributor ,
Jun 17, 2024 Jun 17, 2024

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This is a ready-made solution:

var comp = app.project.activeItem;
var w = comp.width;
var h = comp.height;

var nW = 1920;
var nH = 1080;
var layer = comp.layer(1);
var position = layer.position;

var x = position.value[0] /w;
var y = position.value[1] / h;

position.setValue([ w * x + nW / 2 - w/2, h * y + nH/2 - h/2]);

comp.width = nW;
comp.height = nH;

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Be kind and respectful, give credit to the original source of content, and search for duplicates before posting. Learn more
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