node.js

/* 

MIT License

Copyright 2022 Cliff Earl, Antix Development

Permission is hereby granted, free of charge, to any person obtaining a copy of 
this software and  associated documentation  files (the "Software"), to deal in 
the  Software without restriction,  including without limitation  the rights to 
use, copy,  modify, merge, publish, distribute,  sublicense, and/or sell copies 
of the Software, and to permit persons  to whom the Software is furnished to do 
so, subject to the following conditions:

The above copyright notice and this  permission notice shall be included in all 
copies or substantial portions of the Software.

THE  SOFTWARE IS  PROVIDED "AS  IS", WITHOUT  WARRANTY OF ANY  KIND, EXPRESS OR 
IMPLIED,  INCLUDING BUT  NOT  LIMITED  TO THE  WARRANTIES  OF  MERCHANTABILITY, 
FITNESS FOR A  PARTICULAR PURPOSE  AND NONINFRINGEMENT. IN  NO EVENT  SHALL THE 
AUTHORS  OR  COPYRIGHT  HOLDERS BE  LIABLE  FOR  ANY CLAIM,  DAMAGES  OR  OTHER 
LIABILITY, WHETHER IN  AN ACTION OF  CONTRACT, TORT OR OTHERWISE, ARISING FROM, 
OUT OF OR IN CONNECTION  WITH THE SOFTWARE OR THE USE  OR OTHER DEALINGS IN THE 
SOFTWARE.

*/ 

class Node {

  constructor(x, y, v = 0) {
    this.x = x; // Graph coordinates
    this.y = y;
    this.reached = 0; // Reached in current query flag
    this.distance = 0; // Distance from target node
    this.value = v; // Generally used to represent a tilemap tile
  }

}