root/as3/FLARToolKit/trunk/src/org/libspark/flartoolkit/utils/ArrayUtil.as

/* 
 * PROJECT: FLARToolKit
 * --------------------------------------------------------------------------------
 * This work is based on the FLARToolKit developed by
 *   R.Iizuka (nyatla)
 * http://nyatla.jp/nyatoolkit/
 *
 * The FLARToolKit is ActionScript 3.0 version ARToolkit class library.
 * Copyright (C)2008 Saqoosha
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 * 
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 * 
 * For further information please contact.
 *      http://www.libspark.org/wiki/saqoosha/FLARToolKit
 *      <saq(at)saqoosha.net>
 * 
 */

package org.libspark.flartoolkit.utils {

        public class ArrayUtil {

                public static function createJaggedArray(len:int, ...args):Array {
                        var arr:Array = new Array(len);
                        while (len--) {
                                arr[len] = args.length ? createJaggedArray.apply(null, args) : 0;
                        }
                        return arr;
                }

                public static function create2d(height:int, width:int):Array {
                        return createJaggedArray(height, width);
                }

                public static function create3d(depth:int, height:int, width:int):Array {
                        return createJaggedArray(depth, height, width);
                }

                public static function copy(src:Array, srcPos:int, dest:Array, destPos:int, length:int):void {
                        for (var i:int = 0; i < length; i++) {
                                dest[destPos + i] = src[srcPos + i]; 
                        }
                }
        }
}