private class TileArea {
        public int ny, sy, wx, ex;
        //wx is the western x, ny the northern y, and so on..
        public TileArea(int wx, int ny, int ex, int sy) {
            this.ny = ny;
            this.sy = sy;
            this.ex = ex;
            this.wx = wx;
        }
        //nw is the North west tile, and se the South east tile in the TileArea
        public TileArea(RSTile nw, RSTile se) {
            ny = nw.getY();
            wx = nw.getX();
            sy = se.getY();
            ex = se.getX();
        }
        //returns true if the tile area contains the given tile
        public boolean contains(RSTile t) {
            return t.getX() >= wx && t.getX() <= ex && t.getY() <= ny && t.getY() >= sy;
        }
        //gives you a random tile from inside the tile area
        public RSTile getRandomTile() {
            return new RSTile(random(wx, ex+1), random(sy, ny+1));
        }
        //DDM sucks at trig :D
        //returns the closest tile inside the tilearea to t
        //if t is inside this tilearea, it will return t
        public RSTile getNearestTileTo(RSTile t) {
            RSTile closest = null;
            double cx = (ex+wx)/2, cy = (ny+sy)/2;
            double dx = t.getX() - cx, dy = t.getY() - cy, d = Math.sqrt(dx*dx+dy*dy);
            if(dx == 0 && dy == 0)
                return t;
            if(dx > dy) {
                double sideX = dy/dx*(getWidth()/2), sideY = dy/dx/(getHeight()/2);
                return new RSTile((int)(cx+Math.min(dx,sideX)),(int)(cy+Math.min(dy,sideY)));
            } else {
                double sideX = dx/dy/(getWidth()/2), sideY = dx/dy*(getHeight()/2);
                return new RSTile((int)(cx+Math.min(dx,sideX)),(int)(cy+Math.min(dy,sideY)));
            }
        }
        public int getWidth() { return ex-wx; }
        public int getHeight() { return ny-sy; }
    }