9 lines
469 B
TypeScript
9 lines
469 B
TypeScript
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/** Converts a 0-100 slider value into gain using a perceptual smoothstep curve. */
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export function volumePercentToGain(value: unknown, fallbackPercent: number): number {
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const raw = Number(value);
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const normalized = Number.isFinite(raw) ? Math.max(0, Math.min(100, raw)) / 100 : Math.max(0, Math.min(100, fallbackPercent)) / 100;
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// Smoothstep keeps 0->0, 50->0.5, 100->1 while easing low/high ranges.
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return normalized * normalized * (3 - 2 * normalized);
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}
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