Method noise

src/main/java/field/linalg/Vec2.java:1408–1412

adds a uniformly distributed random number from `-amount` to `amount` to each dimension

(float amount)

     * adds a uniformly distributed random number from `-amount` to `amount` to each dimension
     */
    public Vec2 noise(float amount) {
        x += 2 * amount * (Math.random() - 0.5f);
        y += 2 * amount * (Math.random() - 0.5f);
        return this;
    }

    @Override
    public Object asMap_call(Object a, Object b) {