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<?php
//
// +----------------------------------------------------------------------+
// | PHP Version 4 |
// +----------------------------------------------------------------------+
// | Copyright (c) 1997-2003 The PHP Group |
// +----------------------------------------------------------------------+
// | This source file is subject to version 2.0 of the PHP license, |
// | that is bundled with this package in the file LICENSE, and is |
// | available at through the world-wide-web at |
// | http://www.php.net/license/2_02.txt. |
// | If you did not receive a copy of the PHP license and are unable to |
// | obtain it through the world-wide-web, please send a note to |
// | license@php.net so we can mail you a copy immediately. |
// +----------------------------------------------------------------------+
// | Authors: Jesus M. Castagnetto <jmcastagnetto@php.net> |
// +----------------------------------------------------------------------+
//
// $Id: Vector2.php 304047 2010-10-05 00:25:33Z clockwerx $
//
require_once "Math/Vector.php";
/**
* 2D Vector class
* Originally this class was part of NumPHP (Numeric PHP package)
*
* @author Jesus M. Castagnetto <jmcastagnetto@php.net>
* @version 1.0
* @access public
* @package Math_Vector
*/
class Math_Vector2 extends Math_Vector {
/**
* Constructor for Math_Vector2
*
* @access public
* @param mixed $arg an array of values, a Math_Tuple object or a Math_Vector2 object
*/
function Math_Vector2($arg) /*{{{*/
{
if ( is_array($arg) && count($arg) != 2 )
$this->tuple = null;
elseif ( is_object($arg) && (strtolower(get_class($arg)) != "math_vector2"
&& strtolower(get_class($arg)) != "math_tuple") )
$this->tuple = null;
elseif ( is_object($arg) && strtolower(get_class($arg)) == "math_tuple"
&& $arg->getSize() != 2 )
$this->tuple = null;
else
$this->Math_Vector($arg);
}/*}}}*/
/**
* Returns the X component of the vector
*
* @access public
* @return numeric
*/
function getX()/*{{{*/
{
return $this->get(0);
}/*}}}*/
/**
* Sets the X component of the vector
*
* @access public
* @param numeric $val the value for the Y component
* @return mixed true on success, PEAR_Error object otherwise
*/
function setX($val)/*{{{*/
{
return $this->set(0, $val);
}/*}}}*/
/**
* Returns the Y component of the vector
*
* @access public
* @return numeric
*/
function getY()/*{{{*/
{
return $this->get(1);
}/*}}}*/
/**
* Sets the Y component of the vector
*
* @access public
* @param numeric $val the value for the Y component
* @return mixed true on success, PEAR_Error object otherwise
*/
function setY($val)/*{{{*/
{
return $this->set(1, $val);
}/*}}}*/
}
?>
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