3b1b/manim
Manim
Manim is a Python-based computational geometry framework designed for programmatic video production. It functions as a mathematical animation engine, allowing users to generate high-fidelity visual content by scripting scene definitions rather than using traditional timeline-based editing software. The library is built to translate code-based instructions into precise, frame-accurate animations, making it a tool for explaining complex mathematical functions, geometric proofs, and abstract theories.
The engine distinguishes itself through a declarative scene graph that organizes visual elements into a hierarchical structure, where transformations and properties propagate from parent containers to nested objects. It utilizes an interpolation-based animation system to calculate smooth transitions between keyframes and a declarative updater system that executes callback functions on every frame to modify object properties dynamically. This approach allows for sophisticated dynamic geometry modeling, where models respond to mathematical inputs and constraints in real time.
The framework includes a vector-based geometry pipeline that processes mathematical primitives into resolution-independent shapes before rasterizing them into final output. It also supports three-dimensional development through camera-projection transformations, which map 3D coordinate spaces into 2D viewports using perspective or orthographic matrices. These capabilities enable the creation of data-driven visual aids for technical presentations and scientific communication.
