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@thi.ng/ramp
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0.1.47 • Public • Published

ramp

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This project is part of the @thi.ng/umbrella monorepo.

About

Parametric interpolated 1D lookup tables for remapping values.

Status

ALPHA - bleeding edge / work-in-progress

Search or submit any issues for this package

Installation

yarn add @thi.ng/ramp
// ES module
<script type="module" src="https://unpkg.com/@thi.ng/ramp?module" crossorigin></script>

// UMD
<script src="https://unpkg.com/@thi.ng/ramp/lib/index.umd.js" crossorigin></script>

Package sizes (gzipped, pre-treeshake): ESM: 971 bytes / CJS: 1.01 KB / UMD: 1.12 KB

Dependencies

Usage examples

Several demos in this repo's /examples directory are using this package.

A selection:

Screenshot Description Live demo Source
Unison wavetable synth with waveform editor Demo Source

API

Generated API docs

import { linear, hermite } from "@thi.ng/ramp";

const rampL = linear([[0.1, 0], [0.5, 1], [0.9, 0]]);
const rampH = hermite([[0.1, 0], [0.5, 1], [0.9, 0]]);

for(let i = 0; i <= 10; i++) {
    console.log(
        i / 10,
        rampL.at(i / 10).toFixed(2),
        rampH.at(i / 10).toFixed(2)
    );
}

// 0   0.00 0.00
// 0.1 0.00 0.00
// 0.2 0.25 0.16
// 0.3 0.50 0.50
// 0.4 0.75 0.84
// 0.5 1.00 1.00
// 0.6 0.75 0.84
// 0.7 0.50 0.50
// 0.8 0.25 0.16
// 0.9 0.00 0.00
// 1   0.00 0.00

Authors

Karsten Schmidt

If this project contributes to an academic publication, please cite it as:

@misc{thing-ramp,
  title = "@thi.ng/ramp",
  author = "Karsten Schmidt",
  note = "https://thi.ng/ramp",
  year = 2019
}

License

© 2019 - 2021 Karsten Schmidt // Apache Software License 2.0

Install

npm i @thi.ng/ramp

DownloadsWeekly Downloads

46

Version

0.1.47

License

Apache-2.0

Unpacked Size

45.9 kB

Total Files

18

Last publish

Collaborators

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