public Point getIntersection(Point a, Point b) {
        float d = (x1 - x2) * (a.y - b.y) - (y1 - y2) * (a.x - b.x);
        float newX = ((a.x - b.x) * (x1 * y2 - y1 * x2) - (x1 - x2) * (a.x * b.y - a.y * b.x)) / d;
        float newY = ((a.y - b.y) * (x1 * y2 - y1 * x2) - (y1 - y2) * (a.x * b.y - a.y * b.x)) / d;

        return new Point(Math.round(newX), Math.round(newY));
    }

    public boolean isInside(Point p) {
        return ((x2 - x1) * (p.y - y1) - (y2 - y1) * (p.x - x1)) < 0;
    }