TileMap

a JavaScript 2 dimensional linked list

Instantiation

   
    // create a 2 x 2 tile map
    var tileMap = new TileMap(2, [1, 2, 3, 4]);
   

    // internal representation
  
                  null           null
                   ^              ^
                   |              |
                   +              +
               +------+       +------+
               |      |<-----+|      |
     null <---+| root |       |      |+---> null
               |      |+----->|      |
               +------+       +------+
                 +  ^           +  ^
                 |  |           |  |
                 v  +           v  +
               +------+       +------+
               |      |<-----+|      |
     null <---+|      |       |      |+---> null
               |      |+----->|      |
               +------+       +------+
                   +              +
                   |              |
                   v              v
                  null           null
                  

API

Tile

• data()
• get(key) // gets data value at key
• set(key, val) // set data value at key
• getNode(key) // get a node at direction key, 'n', 'e', 's', 'w'
• setNode(key, node) // set a node reference at key
• hasNext()
• next()
• hasPrev()
• prev()
• hasUp()
• up()
• hasDown()
• down()

TileMap

• root() // returns the root tile
• size()
• leftMost(tile) // returns the left most tile in relation to the given tile
• topMost(tile) // returns the top most tile in relation to the given tile
• each(function(tile){})
• find(function(tile){ return true; })