The renderer grows a live d3 sim (createGraphSimulation, shared with the server settle): pointerdown on a node pins fx/fy and pointer capture (preventDefault kills the compat mousedown, so d3-zoom never pans); the first CLICK_SLOP-exceeding move reheats to alphaTarget 0.3; release un-pins and the sim anneals (release-and-relax) — alpha < 0.005 settles it, a 250ms debounced onCommit PUTs the rest state. Verified live: 123fps during a 320ms drag (regions rebuilding every 3rd frame), 85-tick settle, then zero idle frames. A slop-free press stays a click (select, no reheat, no commit). PUT /api/graph/positions sanitizes (finite coords, known ids) and if the graph grew mid-drag runs ONE incremental settle with the client's arrangement as anchors (50-id PUT test: anchored drift 0.15). Cluster regions swap convex hulls for a low-res world-space SPLAT bitmap: per-member radial-gradient discs (alpha 0.2) + intra-cluster edges as round-cap strokes (Minkowski dilation — concave shapes finally render), upscaled with bilinear smoothing (the upscale IS the blur, no ctx.filter: Safari). One tiny blit per frame replaces 32 clusters x 4 offset Path2D polygons re-rasterized at DPR 2 (the old GPU coil-whine path); during the live sim the bitmap rebuilds every 3rd frame. cluster-geometry.ts retires convexHull/offsetPolygon/traceRoundedPath (tests follow; clusterHue stays). Region labels stay (centroid + clusterHue, inverse-gated on zoom).
25 lines
844 B
TypeScript
25 lines
844 B
TypeScript
/**
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* PUT /api/graph/positions — the live-physics drag commit. The client
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* anneals a drag to rest and sends the new positions; the server
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* sanitizes (finite coords, known ids only), writes the ledger, and if
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* the graph grew mid-drag runs one incremental settle to absorb the new
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* nodes with the client's arrangement as anchors. See
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* src/server/commit-positions.ts.
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*
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* PUT → 200 {positions: {...}} with whatever survived sanitizing
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* (empty object = nothing written).
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*/
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import { commitPositions } from "@/src/server";
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export const dynamic = "force-dynamic";
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export async function PUT(request: Request) {
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let body: unknown;
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try {
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body = await request.json();
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} catch {
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return Response.json({ error: "invalid JSON body" }, { status: 400 });
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}
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return Response.json({ positions: commitPositions(body) });
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}
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