CN-JS-HuiBai/PromdataPanel
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再优化一下

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CN-JS-HuiBai
2026-04-06 18:57:56 +08:00
parent 99a803f258
commit 00d3ed9f86
1 changed files with 24 additions and 12 deletions
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36
public/js/app.js
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@@ -980,22 +980,34 @@
const pts = [start, end].slice().sort((a, b) => a[0] - b[0] || a[1] - b[1]);
const isForward = (start[0] === pts[0][0] && start[1] === pts[0][1]);
// Calculate a stable seed for this unique pair of coordinates
// This ensures that different paths (e.g., A-B vs C-D) always have slightly different curvatures
const pathHash = Math.abs(Math.sin(pts[0][0] * 12.9898 + pts[0][1] * 78.233 + pts[1][0] * 43.123 + pts[1][1] * 21.312));
// Base curvature: 0.12 - 0.25 (depends on distance and geographical coordinates)
const dist = Math.sqrt(Math.pow(end[0] - start[0], 2) + Math.pow(end[1] - start[1], 2));
const baseCurve = 0.12 + Math.min(0.08, dist / 1000) + (pathHash * 0.05);
// Geometry metrics for crossing and overlap prevention
const dx = end[0] - start[0];
const dy = end[1] - start[1];
const dist = Math.sqrt(dx * dx + dy * dy);
const midLat = (start[1] + end[1]) / 2;
// Eye-pattern spreading:
// A->B and B->A will always take opposite sides of the path.
// Multiple connections between the same points will spread outward.
// 1. Layering: Group paths into "Regional" vs "Long-Haul"
// Long-distance spans (e.g. trans-oceanic) use higher arcs to "jump over" regional traffic
const isLongHaul = dist > 120;
const baseHeight = isLongHaul ? 0.38 : 0.18;
// 2. Global Routing Bias (Pole-ward Filtering):
// This is the most effective way to reduce global intersections.
// Lines in the Northern Hemisphere curve North, lines in the Southern curve South.
const poleDir = (midLat >= 0 ? 1 : -1);
const dirFactor = poleDir * (isForward ? 1 : -1);
// 3. Proximity Differentiator: Hash coordinates to prevent similar paths from aligning exactly
const pathHash = Math.abs(Math.sin(pts[0][0] * 12.9898 + pts[1][0] * 78.233 + pts[0][1] * 43.123 + pts[1][1] * 21.312));
const pathJitter = (pathHash * 0.12) - 0.06; // Stable offset for each unique (source, dest) pair
// 4. Overlap Spreading: Symmetric eye-pattern for bi-directional and multi-session traffic
const spreadIndex = Math.floor(i / 2);
const spreadSign = (i % 2 === 0 ? 1 : -1);
const spreadFactor = spreadSign * (1 + spreadIndex * 0.5);
const spreadFactor = spreadSign * (1 + spreadIndex * 0.45);
const finalCurve = baseCurve * spreadFactor * (isForward ? 1 : -1);
// Combine all rules: dirFactor + spreadSign ensures the "primary" line always heads toward the pole
const finalCurve = (baseHeight * dirFactor * spreadFactor) + pathJitter;
finalSeries.push({
type: 'lines',