// ===========================================================================
// 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:
//		Returns the distance between two 3D points.
//
global proc float distance2Pts( float $p1[], float $p2[] )
{
	if( size($p1) != 3 )
		warning((uiRes("m_distance2Pts.kWarningNeedArray1")) );
	if( size($p2) != 3 )
		warning((uiRes("m_distance2Pts.kWarningNeedArray2")) );

	float $distance;
	float $v[3];
	$v[0] = $p1[0] - $p2[0];
	$v[1] = $p1[1] - $p2[1];
	$v[2] = $p1[2] - $p2[2];
	$distance = $v[0]*$v[0] + $v[1]*$v[1] + $v[2]*$v[2];
	$distance = sqrt( $distance );

	return $distance;
}