What one wheel notch means, decided by whichever modifier key was held - the same
physical wheel serves three different intents depending on it. 'zoom' is for a game's
own in-scene zoom (render.Camera.zoom, typically), never the browser's own page/pinch
zoom, which dispatchWheel already calls preventDefault() to stop from firing at the
same time.
What one wheel notch means, decided by whichever modifier key was held - the same physical wheel serves three different intents depending on it.
'zoom'is for a game's own in-scene zoom (render.Camera.zoom, typically), never the browser's own page/pinch zoom, whichdispatchWheelalready callspreventDefault()to stop from firing at the same time.