libanim

About

libanim (animl) is a Rust-based animation library that provides a declarative DSL for creating high-quality videos programmatically. It compiles to MP4 output and supports shapes, animations, and complex scene composition.

Features

• Declarative DSL for animation composition
• Shape primitives: rectangles, circles, custom paths
• Transformations: morphing, scaling, rotation
• Keyframe-based animations
• Custom GLSL shaders support
• MP4 output with configurable quality (CRF)
• Parametric curves and mathematical visualizations

Example

use animl_core::prelude::*;
use animl_macros::scene;

#[scene(1920x1080, 30fps, crf=23, output="hello.mp4")]
fn hello_world(scene: &mut Scene) {
    let rect = rect!(scene, size = (1.0, 1.0), color = hex!(0xFF4D4D));
    let circle = circle!(scene, r = 0.5, color = hex!(0x4DFF4D));

    play!(scene, circle.morph_to(rect), 1.5);
}

Tech Stack

Built with Rust, using custom DSL macros, GLSL shaders, and FFmpeg for video encoding.