Method getCurrentMouseState

src/main/java/field/graphics/Window.java:649–651

returns the last seen mouse state

()

     */
    public Window addKeyboardHandler(Function<Event<KeyboardState>, Boolean> h) {
        keyboardHandlers.add(h);
        return this;
    }

    /**
     * A keyboard handler is a Function<Event<MouseState>, Boolean>>, that is a function that takes a transition between two MouseStates and returns a boolean, whether or not it ever wants to be