Blue.js

on('chat:message', function(msg) {
    if(msg.type != 'api') return;
    var parts = msg.content.toLowerCase().split(' ');
    var command = parts.shift().substring(1);
    var selected = msg.selected;
    if(command != 'blue' || !selected) return; // use the !blue command, and have one or more things selected
    var count = +parts[0];
    if(!count) count = 0; // if no height is returned, treat as 0
    _.each(selected, function(obj) {
        if(obj._type != 'graphic') return; // only blue graphics
        var tok = getObj('graphic', obj._id);
        if(tok.get('subtype') != 'token') return; // don't try to blue cards
        tok.set('status_blue', false);
        var addblue = '';
        while(count > 0)
        {
            // get current digit, starting from ones
            var digit = count / 10;
            digit -= Math.floor(digit);
            digit = Math.round(digit * 10);
            // shift height
            count = Math.floor(count / 10);
            addblue += 'blue@'+digit+',';
        }
        if(addblue.length > 0) addblue = addblue.substring(0, addblue.length - 1); // trim trailing comma
        var markers = tok.get('statusmarkers');
        if(markers != '') markers += ',';
        markers += addblue;
        tok.set('statusmarkers', markers);
    });
});