// ===========================================================================
// 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.
// ===========================================================================
//
//
//  Creation Date:  1998
//  Description:    This creates an expression
//  				that keeps the texture stationary even though
//					the flow speed is not zero. This is particularily
//					useful when simulating plant growth. It keeps the texture
//					from crawling up the growing plant.

global proc freezeBrushTexture()
{
	int	   $i;
	string $brushes[];

	$brushes = `getBrushes 3`;
	int $numBrushes = size( $brushes );

	if( $numBrushes == 0 )
	{
		warning( uiRes("m_bakeBrushSpringAnim.kNoBrushSelected"));
		return;
	}

	for( $i = 0; $i < $numBrushes; $i++ )
	{
		string $brush = $brushes[$i];
		expression -s ( $brush + ".offsetU = time * "+$brush+".repeatU * "+$brush+".flowSpeed;" );
	}
	
}