Function arcPath

src/components/SentimentPanel.tsx:40–47

(from: number, to: number)

  ];

  const arcPath = (from: number, to: number) => {
    const a1 = valToAngle(from);
    const a2 = valToAngle(to);
    const p1 = polar(a1, r);
    const p2 = polar(a2, r);
    const large = Math.abs(a1 - a2) > Math.PI ? 1 : 0;
    return `M ${p1.x} ${p1.y} A ${r} ${r} 0 ${large} 1 ${p2.x} ${p2.y}`;
  };

  // Needle
  const needleAngle = valToAngle(Math.max(0, Math.min(100, score)));