Author: Doug Wright
コード例 #1
0
ファイル: Packer.php プロジェクト: adallaway/BoxPacker
 /**
  * Figure out if we can stack the next item vertically on top of this rather than side by side
  * Used when we've packed a tall item, and have just put a shorter one next to it
  * @param Item $item
  * @param Item $nextItem
  * @param $maxStackDepth
  * @param $remainingWeight
  * @return bool
  */
 protected function canStackItemInLayer(Item $item, Item $nextItem, $maxStackDepth, $remainingWeight)
 {
     return $nextItem->getDepth() <= $maxStackDepth && $nextItem->getWeight() <= $remainingWeight && $nextItem->getWidth() <= $item->getWidth() && $nextItem->getLength() <= $item->getLength();
 }
コード例 #2
0
ファイル: VolumePacker.php プロジェクト: dvdoug/boxpacker
 /**
  * Find all possible orientations for an item
  * @param Item $item
  * @param OrientatedItem|null $prevItem
  * @param int $widthLeft
  * @param int $lengthLeft
  * @param int $depthLeft
  * @return OrientatedItem[]
  */
 protected function findPossibleOrientations(Item $item, OrientatedItem $prevItem = null, $widthLeft, $lengthLeft, $depthLeft)
 {
     $orientations = [];
     //Special case items that are the same as what we just packed - keep orientation
     if ($prevItem && $prevItem->getItem() == $item) {
         $orientations[] = new OrientatedItem($item, $prevItem->getWidth(), $prevItem->getLength(), $prevItem->getDepth());
     } else {
         //simple 2D rotation
         $orientations[] = new OrientatedItem($item, $item->getWidth(), $item->getLength(), $item->getDepth());
         $orientations[] = new OrientatedItem($item, $item->getLength(), $item->getWidth(), $item->getDepth());
         //add 3D rotation if we're allowed
         if (!$item->getKeepFlat()) {
             $orientations[] = new OrientatedItem($item, $item->getWidth(), $item->getDepth(), $item->getLength());
             $orientations[] = new OrientatedItem($item, $item->getLength(), $item->getDepth(), $item->getWidth());
             $orientations[] = new OrientatedItem($item, $item->getDepth(), $item->getWidth(), $item->getLength());
             $orientations[] = new OrientatedItem($item, $item->getDepth(), $item->getLength(), $item->getWidth());
         }
     }
     //remove any that simply don't fit
     return array_filter($orientations, function (OrientatedItem $i) use($widthLeft, $lengthLeft, $depthLeft) {
         return $i->getWidth() <= $widthLeft && $i->getLength() <= $lengthLeft && $i->getDepth() <= $depthLeft;
     });
 }