// ===========================================================================
// Copyright 2018 Autodesk, Inc. All rights reserved.
//
// Use of this software is subject to the terms of the Autodesk license
// agreement provided at the time of installation or download, or which
// otherwise accompanies this software in either electronic or hard copy form.
// ===========================================================================
//
//  Description:
//     Find a renderable camera for use with paint effects to poly. 
//

global proc string getCameraForPfx()
{

	string $perspCameras[] = `listCameras -p`;
	// find first renderable persp camera	
	int $i;
	int $numPersp = size( $perspCameras );
	for($i = 0; $i < $numPersp; $i++)
	{
		if( getAttr($perspCameras[$i] + ".renderable") ){
			return( $perspCameras[$i] );
		}
	}
	// if no perp rendererable then check ortho
	string $orthoCameras[] = `listCameras -o`;
	for($i = 0; $i < size($orthoCameras); $i++)
	{
		if( getAttr($orthoCameras[$i] + ".renderable") ){
			return( $orthoCameras[$i] );
		}
	}
	// If non are renderable, return first persp camera
	if( $numPersp > 0 ){
		return( $perspCameras[0] );
	}
	return( "" );
}