pocketmine\math\AxisAlignedBB::intersectsWith PHP Метод

    public function intersectsWith(AxisAlignedBB $bb)
    {
        if ($bb->maxX > $this->minX and $bb->minX < $this->maxX) {
            if ($bb->maxY > $this->minY and $bb->minY < $this->maxY) {
                return $bb->maxZ > $this->minZ and $bb->minZ < $this->maxZ;
            }
        }
        return false;
    }

 /**
  * Checks for collision against an AxisAlignedBB
  *
  * @param AxisAlignedBB $bb
  *
  * @return bool
  */
 public function collidesWithBB(AxisAlignedBB $bb)
 {
     $bb2 = $this->getBoundingBox();
     return $bb2 !== null and $bb->intersectsWith($bb2);
 }