Method update

plugins/uiSystem.js:1515–1521

()

    { this.video.currentTime = clamp(time, 0, this.getDuration()); }

    update()
    {
        super.update();

        // update volume based on global sound volume
        this.video.volume = clamp(this.volume * soundVolume);
    }
    
    /** Render video to UI canvas */
    render()