Ionosphere.tv
tweak: slower scroll — 0.25x input, 0.95 friction, ±40 clamp
More macOS-like: gentler acceleration, longer coast, lower top speed.
Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
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apps/ionosphere/src/app/discussion/DiscussionContent.tsx
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apps/ionosphere/src/app/discussion/DiscussionContent.tsx
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let velocity = 0;
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let raf = 0;
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const FRICTION = 0.92;
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const MIN_VELOCITY = 0.5;
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const FRICTION = 0.95; // slower decay = longer coast, more macOS-like
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const MIN_VELOCITY = 0.3;
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const coast = () => {
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velocity *= FRICTION;
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const onWheel = (e: WheelEvent) => {
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if (Math.abs(e.deltaY) > Math.abs(e.deltaX)) {
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e.preventDefault();
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// Add wheel delta to velocity (trackpad gives small frequent deltas, mouse gives large ones)
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velocity += e.deltaY * 0.4;
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// Clamp velocity
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velocity = Math.max(-60, Math.min(60, velocity));
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// Start coasting if not already
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velocity += e.deltaY * 0.25; // gentler input scaling
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velocity = Math.max(-40, Math.min(40, velocity)); // lower clamp
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if (!raf) raf = requestAnimationFrame(coast);
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}
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};