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<?php /** * @package HikaShop for Joomla! * @version 4.4.1 * @author hikashop.com * @copyright (C) 2010-2021 HIKARI SOFTWARE. All rights reserved. * @license GNU/GPLv3 http://www.gnu.org/licenses/gpl-3.0.html */ defined('_JEXEC') or die('Restricted access'); ?><?php namespace DVDoug\BoxPacker; use JsonSerializable; class OrientatedItem implements JsonSerializable { protected $item; protected $width; protected $length; protected $depth; protected static $tippingPointCache = []; public function __construct(Item $item, $width, $length, $depth) { $this->item = $item; $this->width = $width; $this->length = $length; $this->depth = $depth; } public function getItem() { return $this->item; } public function getWidth() { return $this->width; } public function getLength() { return $this->length; } public function getDepth() { return $this->depth; } public function getSurfaceFootprint() { return $this->width * $this->length; } public function getTippingPoint() { $cacheKey = $this->width . '|' . $this->length . '|' . $this->depth; if (isset(static::$tippingPointCache[$cacheKey])) { $tippingPoint = static::$tippingPointCache[$cacheKey]; } else { $tippingPoint = atan(min($this->length, $this->width) / ($this->depth ?: 1)); static::$tippingPointCache[$cacheKey] = $tippingPoint; } return $tippingPoint; } public function isStable() { return $this->getTippingPoint() > 0.261; } public function jsonSerialize() { return [ 'item' => $this->item, 'width' => $this->width, 'length' => $this->length, 'depth' => $this->depth, ]; } public function __toString() { return $this->width . '|' . $this->length . '|' . $this->depth; } }
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