Does this item need to be kept flat?
XXX not yet used, all items are kept flat
| public getKeepFlat ( ) : boolean | ||
| return | boolean | |
/**
* 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;
});
}
