Function toSpeed

src/components/SpeedPanel.tsx:7–10

(v: number)

// ── Speed mapping: slider [-999, 999] → speed [0.001, 1000], 1× at 0 ──

export function toSpeed(v: number): number {
  if (v <= 0) { return 1 + v * 0.001; }
  else        { return 1 + v; }
}
export function toSlider(s: number): number {
  if (s <= 1.0) return (s - 1) / 0.001;
  else          return s - 1;