msteinbeck/tinyspline

Health v2 · maintenance only

Adoption not part of the score

1350 stars · 219 forks observed · 2026-08-28

What it is AI-extracted, prompt v1, taxonomy v1, 2026-08-30, confidence not recorded

TinySpline is a small ANSI C library for interpolating, transforming, and querying NURBS, B-Splines, and Bézier curves, with a C++ object-oriented wrapper. Auto-generated bindings are provided for many languages including C#, Go, Java, JavaScript, Lua, PHP, Python, R, and Ruby.

Use cases

• interpolate a smooth curve through a set of 2D or 3D points
• sample points along a B-spline for drawing or plotting
• convert NURBS or B-splines into Bézier curve segments
• compute arc-length parametrization of a curve
• extract sub-curves and compute derivatives of splines
• morph between two splines for animation
• work with splines from Python, Java, Go, or other languages

When to choose

• you need spline math in C or C++ with minimal dependencies
• you want one spline library usable across many programming languages
• you need NURBS, B-spline, and Bézier operations like knot insertion, degree elevation, and decomposition
• you need a permissively licensed (MIT) geometry library

When to avoid

• you need 3D mesh processing or full CAD kernel functionality
• you need GPU-accelerated curve rendering
• you want a high-level plotting or animation framework rather than a math library

Facets

library · maturity stable

math graphics serialization graphics cross-platform developer-tools cross-platform c cpp python go jvm lua php ruby dotnet rust nurbs b-splines bezier-curves splines interpolation geometry curve-fitting ansi-c algorithms javascript

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