Patch of demo D-17: visual quality, resizeable window, waiting for V-sync, etc. — icosi-do Steam update #103891

Now that Steam's Next Fest is over (thanks to everyone who joined my livestreams!), there are a couple of fixes of the demo that I should publish. I'm still planning to add an additional music piece, but that is delayed for a couple of days because of a tiny project in Rec Room that I want to finish first. I had a look at visual quality settings and added a new menu item: SETTINGS > VISUALS > QUALITY, which may be set to LOW, MID, and HIGH. (Currently, this affects only the amount of multi-sampling for anti-aliasing.) The game is now supposed to wait for V-sync signals in all quality levels to avoid excessively high frame rates (but you can still deactivate V-sync in the graphics driver settings). The Tilt Five™ camera is now using image post-processing for a glow effect and an anti-aliasing technique recommended by Tilt Five (in addition to the anti-aliasing provided by the multi-sampli...