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Pure Zig, comptime generic over f32/f64.\n\nPart of the [zio-zig](https://github.com/deblasis/zio-zig) ecosystem.\n\n## Quick start\n\n```zig\nconst ease = @import(\"zioease\");\n\n// Standard easing: pass a type and t ∈ [0, 1], get a value ∈ [0, 1]\nconst v1 = ease.linear(f32, 0.5);        // 0.5\nconst v2 = ease.quadIn(f32, 0.5);        // 0.25\nconst v3 = ease.bounceOut(f32, 0.5);     // ~0.765\nconst v4 = ease.elasticOut(f32, 0.5);    // ~1.089 (overshoots)\n\n// Use with any float type\nconst v5 = ease.cubicInOut(f64, 0.25);\n```\n\n```bash\nzig build test          # Run 40 tests\nzig build run-example   # Run example\n```\n\n## Example output\n\n```\n$ zig build run-example\nAt t=0.5:\n  linear:  0.5\n  quadIn:  0.25\n  quadOut: 0.75\n  cubicIn: 0.13\n  sineOut: 0.71\nElastic at t=0.4: 1.031 (overshoots past 1!)\nBounce at t=0.6: 0.773\n```\n\n## API\n\nAll functions have the signature `fn(comptime T: type, t: T) T` where `t ∈ [0, 1]`.\n\n### Linear\n- `linear` — uniform speed\n\n### Quadratic\n- `quadIn`, `quadOut`, `quadInOut`\n\n### Cubic\n- `cubicIn`, `cubicOut`, `cubicInOut`\n\n### Quartic\n- `quartIn`, `quartOut`, `quartInOut`\n\n### Quintic\n- `quintIn`, `quintOut`, `quintInOut`\n\n### Sine\n- `sineIn`, `sineOut`, `sineInOut`\n\n### Exponential\n- `expoIn`, `expoOut`, `expoInOut`\n\n### Circular\n- `circIn`, `circOut`, `circInOut`\n\n### Elastic (overshoots target)\n- `elasticIn`, `elasticOut`, `elasticInOut`\n\n### Back (pulls back before accelerating)\n- `backIn`, `backOut`, `backInOut`\n\n### Bounce (bounces at the end)\n- `bounceIn`, `bounceOut`, `bounceInOut`\n\n## License\n\nMIT. Copyright (c) 2026 Alessandro De Blasis.\n","project_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Fdeblasis%2Fzioease","html_url":"https://awesome.ecosyste.ms/projects/github.com%2Fdeblasis%2Fzioease","lists_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Fdeblasis%2Fzioease/lists"}