map.defineObject('bullet2', {
        'type': 'dynamic',
        'symbol': '.',
        'color': 'red',
        'interval': 100,
        'projectile': true,
        'behavior': function (me) {
            me.move('up');
            map.placeObject(me.getX(), me.getY() - 2, 'bullet2');
        }
});

var bosses = map.getDynamicObjects();

for(var i=0;i<bosses.length;i++){
	(function(k){
		map.defineObject('bossKiller'+k, {
			'type':'dynamic',
    		'symbol':'^',
    		'color':'blue',
    		'interval':100,
    		'projectile':true,
    		'behavior':function(me){
            	if(bosses[k][" _".substr(1,1)+"isDestroyed"]()){
                	me[" _".substr(1,1)+"destroy"]();
                }

            	var x = bosses[k].getX();
                var y = bosses[k].getY();
      			var dx = Math.abs(me.getX() - x);
                var dy = Math.abs(me.getY() - y);
                var direction = "none";
                if(dx > dy){
                	if(x < me.getX()){
                    	direction = 'left';
                    } else {// if (x > me.getX()){
                    	direction = 'right';
                    }
                } else {
                	if(y < me.getY()){
                    	direction = 'up';
                    } else {// if (y > me.getY()){
                    	direction = 'down';
                    }
                }
                me.move(direction);
    		},
            'onDestroy':function(me){
            	if(bosses[k][" _".substr(1,1)+"isDestroyed"]()) return;
            	if(me.getX() != bosses[k].getX()
                	|| me.getY() != bosses[k].getY())
            		map.placeObject(me.getX()+Math.floor(Math.random()*2-1)
                    	, me.getY(), 'bossKiller'+k);

            }
		});
    })(i);
}

map.defineObject('helmet', {
        'symbol': 'o',
        'color': 'blue',
        'impassable':true,
});

for(var i=0;i<50;i+=1){
	if(i==25) continue;
	map.placeObject(i,map.getPlayer().getY()-2,'helmet');
}

map.getPlayer().setPhoneCallback(function(){
 for(var i=0;i<bosses.length;i++){
 	map.placeObject(i*2,map.getPlayer().getY()-3,'bossKiller'+i);
 }
});