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/*
Instead of creating 20 shapes on 2 types, I have created 20 distinctive
random dynamic shapes to show the beauty and diversity of randomness
Each circle contains a shape with random amount of vertices
generated on the circle's edge in random places and moving with
random speed in random direction.
Click anywhere to get completely different picture

Main idea is redrawing all circles on each step
through the .update() chain

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//get all first mas vertices info
//Nik Ska, 2014
//CC-BY


var maskVertex = function(v, inT, outT){
    this.vertex = v;
    this.inTangent = inT;
    this.outTangent = outT;
    

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//CC-BY Nik Ska, 2014

var sel = app.project.selection; //selected
var used = []; //these were used

app.beginUndoGroup("Precomping as hell");

var precompFolder = app.project.items.addFolder("Precomps");

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function createNull(){
	var activeComp = app.project.activeItem;
	if(!activeComp instanceof CompItem || !activeComp){
		alert("No comp selected");
		return null;
	}
	app.beginUndoGroup("Creatin a null");

	if(activeComp.selectedLayers.length != 0){//и если на композиции выделены какие-то слои
		var sel = activeComp.selectedLayers;

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var getTrueValues = function(layer, position, anchor, scale, rotation){
	if(layer.parent != null){
		var l = layer.parent.property("ADBE Transform Group");
		getTrueValues(layer.parent, position+l.property("ADBE Position").value, anchor+l.property("ADBE Anchor Point").value, [scale[0]*l.property("ADBE Scale").value[0], scale[1]*l.property("ADBE Scale").value[1]]/100, rotation+l.property("ADBE Rotate Z").value*Math.PI/180);
	}
	else{
		var obj = {pos: position, ap: anchor, sc: scale, rot: rotation};
		return(obj);
		}
	}

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/*
*Snippet to change target name project-wise.
*Comp names and layer names are going to be affected.
*I believe there are going to be problems with expressions.
*Though I'm not sure
*
*CC-BY, Nik Ska, 2015
*/

var wrongName = "СС";

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var audioSource = thisComp.layer("Audio Amplitude").effect("Both Channels")("Slider");

var step = 1; // step in frames
var accum = 0;


if(audioSource.numKeys > 0){
    var k = 0;
    if(time >= step*2){

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findCompByName=function(_name){
	for(var i=1;i<=app.project.numItems;i++)
	{
		var curItem=app.project.item(i);
		if (curItem.name==_name && curItem instanceof CompItem) return curItem;
	}
	return null;
}

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/*
Скрипт создает шейп, проходящий через position всех выбранных слоев
Не будет работать, если:
    -слои прикреплены к другим слоям
    -на позиции есть ключевые кадры/выражения
    -Все в 3д и есть камеры

Все эти пункты легко исправляются по необходимости

Nik Ska, 2015

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n = 0;
t = 0;
if (thisProperty.numKeys > 0){
    n = thisProperty.nearestKey(time).index; 
    if (thisProperty.key(n).time > time) n--;
} 

if(n < thisProperty.numKeys){
    linear(time, thisProperty.key(n).time, thisProperty.key(n+1).time, thisProperty.key(n).value, thisProperty.key(n+1).value)
}