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PadArchで直通先路線の色が隣接駅から継承されない不具合を修正 #5345

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Merged
TinyKitten merged 1 commit into from
Feb 19, 2026
Merged

PadArchで直通先路線の色が隣接駅から継承されない不具合を修正 #5345

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20 changes: 16 additions & 4 deletions src/components/PadArch.tsx
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Original file line number Diff line number Diff line change
Expand Up @@ -69,18 +69,30 @@ const computeColorSegments = (
}

// station.lines と trainType.lines の路線IDを照合して色を決定
const stationColors = stations.map((s) => {
if (!s) return fallbackColor;
// マッチしない駅は null にして隣接する確定色で埋める
const resolvedColors: (string | null)[] = stations.map((s) => {
if (!s) return null;

for (const ttLine of trainTypeLines) {
if (s.lines?.some((sl) => sl.id === ttLine.id)) {
return ttLine.color ?? fallbackColor;
return ttLine.color ?? null;
}
}

return s.line?.color ?? fallbackColor;
// trainTypeLinesが空なら駅固有の色を使用
return trainTypeLines.length > 0 ? null : (s.line?.color ?? null);
});

// null を隣接する確定色で埋める（前方 → 後方の順）
for (let i = 1; i < resolvedColors.length; i++) {
if (resolvedColors[i] === null) resolvedColors[i] = resolvedColors[i - 1];
}
for (let i = resolvedColors.length - 2; i >= 0; i--) {
if (resolvedColors[i] === null) resolvedColors[i] = resolvedColors[i + 1];
}

const stationColors = resolvedColors.map((c) => c ?? fallbackColor);

// 駅のドットy座標（スクリーン座標）
const dotYs = stations.map((_, i) =>
i === 0 ? height / 30 : (i * height) / 7
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