@Override
    public void setCursorVisible(boolean visible) {
        cursorVisible = visible;

        if (!context.isRenderable()) {
            return;
        }

        if (cursorVisible) {
            glfwSetInputMode(context.getWindowHandle(), GLFW_CURSOR, GLFW_CURSOR_NORMAL);
        } else {
            glfwSetInputMode(context.getWindowHandle(), GLFW_CURSOR, GLFW_CURSOR_DISABLED);
        }
    }
Check if the input is initialized.
@return <code>true</code> if the input is initialized and <code>false</code> otherwise.
jme3-vr/src/main/java/com/jme3/input/lwjgl/GlfwMouseInputVR.java