CN-JS-HuiBai/PromdataPanel
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继续优化

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CN-JS-HuiBai
2026-04-06 18:54:04 +08:00
parent 72d1486d91
commit 494f39d948
1 changed files with 25 additions and 17 deletions
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42
public/js/app.js
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@@ -980,25 +980,33 @@
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]);
// Use a deterministic hash of the path to jitter the curves to avoid coincidence with other nearby paths
const pathSeed = pts[0][0] + pts[0][1] * 2 + pts[1][0] * 3 + pts[1][1] * 4;
const curveJitter = (Math.abs(Math.sin(pathSeed)) * 0.12) - 0.06; // Variation of +/- 0.06
// Geometry metrics for intersection avoidance
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;
// Calculate curveness: ensure all lines are curved and distinct
// 1. Layering: Longer lines curve more to "loop over" shorter lines
const baseHeight = 0.15 + Math.min(0.45, dist / 400);
// 2. Directionality: Bias curves toward the poles (North or South) to spread out global traffic
// Eastward (isForward) + North (midLat > 0) -> + curveness (Left/North)
// Westward (!isForward) + North (midLat > 0) -> - curveness (Right/North)
const poleDir = (midLat >= 0 ? 1 : -1);
const dirFactor = poleDir * (isForward ? 1 : -1);
// 3. Jitter: Deterministic hash to avoid perfect overlap of close paths
const pathSeed = pts[0][0] + pts[0][1] * 2 + pts[1][0] * 3 + pts[1][1] * 4;
const curveJitter = (Math.abs(Math.sin(pathSeed)) * 0.1) - 0.05;
// Calculate final curveness: layer by distance + spread group + bias toward poles
let finalCurve = 0;
if (count === 1) {
// Default curve for single lines with a bit of path-specific variation
finalCurve = 0.2 + curveJitter;
} else {
// Spread overlapping lines: 0.2, -0.2, 0.35, -0.35...
// Use a dynamic step to keep lines within a reasonable arc range
const step = Math.min(0.2, 0.5 / Math.ceil(count / 2));
const magnitude = 0.2 + Math.floor(i / 2) * step;
const spread = (i % 2 === 0) ? magnitude : -magnitude;
// Adjust based on direction so A->B and B->A land in different visual arcs (forming an "eye")
finalCurve = (isForward ? spread : -spread) + curveJitter;
}
const step = Math.min(0.2, 0.4 / Math.ceil(count / 2));
const magnitude = baseHeight + (Math.floor(i / 2) * step);
const spread = (i % 2 === 0) ? magnitude : -magnitude;
// Combining all factors: dirFactor makes i=0 always point toward its respective pole
finalCurve = (dirFactor * spread) + curveJitter;
finalSeries.push({
type: 'lines',