再优化线路图

This commit is contained in:
CN-JS-HuiBai
2026-04-06 01:25:24 +08:00
parent 5fedaa299b
commit 58c5d36022

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@@ -795,21 +795,32 @@
const isAsia = (n) => n.includes('china') || n.includes('hong kong') || n.includes('singapore') || n.includes('korea') || n.includes('seoul') || n.includes('japan') || n.includes('tokyo') || n.includes('shanghai') || n.includes('beijing');
const isEurope = (n) => n.includes('germany') || n.includes('uk') || n.includes('france') || n.includes('london') || n.includes('frankfurt') || n.includes('paris') || n.includes('united kingdom');
// Specific ports for Trans-Pacific routing separation
const n = (route.source + ' ' + route.dest).toLowerCase();
const involvesSeattle = n.includes('seattle');
const involvesLA = n.includes('los angeles') || n.includes('san francisco') || n.includes('la');
// Determine base curveness to always bend North (Upward) for major East-West routes
// In this map: dx < 0 (Westward) -> negative curveness bends North
// dx > 0 (Eastward) -> positive curveness bends North
let baseCurve = 0.2;
if (dx < 0) baseCurve = -0.2;
// Special case: Trans-Pacific (US <-> Japan/Asia) - usually deeper curve
// Special case: Trans-Pacific (US <-> Japan/Asia)
if ((isUS(src) && isAsia(dst)) || (isAsia(src) && isUS(dst))) {
baseCurve = (dx < 0 ? -0.35 : 0.35);
if (involvesSeattle) {
baseCurve = (dx < 0 ? -0.45 : 0.45); // High North arc
} else if (involvesLA) {
baseCurve = (dx < 0 ? 0.35 : -0.35); // South arc (positive for Westward = South)
} else {
baseCurve = (dx < 0 ? -0.3 : 0.3); // Default slight North arc
}
}
// Trans-Atlantic (US <-> Europe) - use coordinates to detect
// Trans-Atlantic (US <-> Europe)
else if ((isUS(src) && isEurope(dst)) || (isEurope(src) && isUS(dst))) {
baseCurve = (dx < 0 ? -0.25 : 0.25);
}
// Intra-Asia or shorter routes - flatter curve
// Intra-Asia or shorter routes
else if (Math.abs(dx) < 50) {
baseCurve = (dx < 0 ? -0.15 : 0.15);
}