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@sentropic/graph

v0.2.0

Published

Fast WebGL-oriented graph rendering primitives for known-position graphs.

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@sentropic/graph

MIT graph rendering primitives for Graphify and other known-position graph UIs.

The package is rendering-first: it accepts canonical node order, Float32Array positions, and Uint32Array indexed edges. Layout physics are deliberately a separate contract so a renderer can consume static coordinates, worker-driven frames, or future Barnes-Hut/WebGPU engines without owning repulsion or pin state.

MVP Contract

  • buildRenderGraphBuffers(scene) adapts high-level nodes and edges into stable typed buffers.
  • buildStyleBuffers(scene, graph) compiles sizes, colors, node shapes, dash modes, widths, and curvatures into typed arrays aligned to the filtered graph.
  • setGraph, setPositions, and updatePositions(PositionFrame) are the renderer hot path.
  • createGraphRenderer(canvas, { backend: "canvas2d" }) selects the rich Canvas2D backend for feature parity while WebGL catches up.
  • x/y are y-down world coordinates. fx/fy may mark high-level pins but are not renderer state.
  • Curved edge geometry is derived from positions and styling options, not from layout physics.

Benchmarks live in bench/ and track typed-buffer compilation, styling compilation, and edge geometry throughput before npm releases. See FEATURES.md for the current scope and roadmap.