CodeCombat - Kithgard Dungeon - forgetful-gemsmith

code.js

// http://codecombat.com/play/level/forgetful-gemsmith

// This function allows passing in a string of directions
// which will be converted into calls to the standard
// this.move____() functions.
this.moveSequence = function( instructions )
{
    // Remove spaces from the instructions using a "greedy" Regular Expression.
    var clean_instructions = instructions.replace( / /g, '' );
    
    // Break the instructions into an array list, 1 letter per array item.
    var actions = clean_instructions.split('');
    
    // Loop through the list and perform an action based on which letter is found.
    for( var i = 0; i< actions.length; i++ )
    {
        switch( actions[i] )
        {
            case 'L': this.moveLeft(); break;
            case 'R': this.moveRight(); break;
            case 'U': this.moveUp(); break;
            case 'D': this.moveDown(); break;
        }
    }
};

// Use the moveSequence function to walk to the exit.
this.moveSequence("R U R R D D U R");