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small gleam coding and persistent agent daemon with a detachable cli and a canvas ui forked from okami.mom/albedo
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1234567891011121314151617// How the wheel moves a view that zooms: a pinch moves a few pixels at a time,// a mouse wheel's notch a hundred or so (or a few lines), so a notch is one// fixed step rather than a jump.
const NOTCH = 1.1;
/** A wheel delta in pixels, a line counting as 40. */export function pixels(event: WheelEvent, delta: number): number { return event.deltaMode === WheelEvent.DOM_DELTA_PIXEL ? delta : delta * 40;}
/** What a wheel event multiplies the zoom by. */export function zoomFactor(event: WheelEvent): number { const moved = pixels(event, event.deltaY); return Math.abs(moved) >= 50 ? NOTCH ** -Math.sign(moved) : Math.exp(-moved * 0.01);}