// Creation Date:  Dec-05-2001
//
// Author: 
//  -------------------------
//  ---------------------------
//  Klaus Stangl
//  Student@TU Graz
//  Demoartist/Developer
//  Educator@Siliconstudio Graz
//  www.worldofmaya.com
//  office@worldofmaya.com
//  -----------------------------
//  -------------------------------
//
//
//  Script Name:
//
//      ownShatter	(version: 0.1)
//
//  Description:
//    This script allows you to instance geometry
//    
//
//    Create a shelf button with this command:
//    	source ownShatter.mel;ownShatter();
//    
//    For more infos read the documentation on www.worldofmaya.com or mail!
//
//

global proc ownShatter()
{
//Var Declare
	string $selectionAName[];
	string $particleName[];
	string $particleInstancerName	;
	int $runX = 0;
	int $sizeObjectSelection = 0;
	float $PostionVariable[3];
//Selection
	$objectSelectionName = `ls -sl`;
	$sizeObjectSelection = `size $objectSelectionName`;

if ($sizeObjectSelection > 0)
	{
	//Empty Particle Object
	$particleName = `particle`;
	select -cl;
	
	for($runX = 0; $runX < $sizeObjectSelection; $runX++)
	{
		select $objectSelectionName[$runX];
		CenterPivot;
		select -cl;
		$PostionVariable = `getAttr($objectSelectionName[$runX]+".center")`;
		//print($PostionVariable[0] + " " + $PostionVariable[1] + " " + $PostionVariable[2] + " " + $objectSelectionName[$runX] + "\n");
		emit -o $particleName[0] -pos $PostionVariable[0] $PostionVariable[1] $PostionVariable[2];
	}
	
	$particleInstancerName = `particleInstancer -cycle None -cycleStep 1 -cycleStepUnits Frames -levelOfDetail Geometry -rotationUnits Degrees -rotationOrder XYZ -position worldPosition -age age $particleName[1]`;

	for($runX = 0; $runX < $sizeObjectSelection; $runX++)
	{
		select $objectSelectionName[$runX];
		move -rpr 0 0 0 ;
		FreezeTransformations;
		select $particleName[1];
		particleInstancer -e -a -obj $objectSelectionName[$runX];
		select -cl;
	}
	
	addAttr -ln objIndex -dt doubleArray  $particleName[1];
	setAttr -e -keyable true ($particleName[1]+".objIndex");

	dynExpression -s "objIndex = id;" -c $particleName[1];
	particleInstancer -e -name $particleInstancerName -objectIndex objIndex $particleName[1];
	saveInitialState $particleName[1] ;

	for($runX = 0; $runX < $sizeObjectSelection; $runX++)
	{
		$PostionVariable = `xform -ws -q -t ($particleName[0]+".pt["+$runX+"]")`;
		select $objectSelectionName[$runX];
		move -rpr $PostionVariable[0] $PostionVariable[1] $PostionVariable[2] ;
//		FreezeTransformations;
		select -cl;
	}


	}
else warning("!!! Nothing selected !!!");
}