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https://github.com/raphaelameaume/fragment

[alpha] A web development environment for creative coding
https://github.com/raphaelameaume/fragment

creative-coding generative-art javascript web

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[alpha] A web development environment for creative coding

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Fragment


A web development environment for creative coding


![Screen capture of Fragment, splitted in two columns, the left one has a centered canvas displaying squares arranged in a grid, the right column contains various controls for colors, variables and exports](https://github.com/raphaelameaume/fragment/raw/main/screenshot.png 'Screen Capture of Fragment')

`fragment` provides a simple API to work with ``.

## Features

- Multiple rendering modes: [Canvas 2D](https://developer.mozilla.org/en-US/docs/Web/API/Canvas_API), [p5.js](https://github.com/processing/p5.js/), [three.js](https://github.com/mrdoob/three.js/), [WebGL fragment shaders](https://developer.mozilla.org/en-US/docs/Web/API/WebGLShader)
- Built-in GUI from sketch files
- Export `` to images (.png, .webm, .jpg) or videos (.mp4, .webm, .gif) on the fly
- Hot shader reloading & [glslify](https://github.com/glslify/glslify) support
- Interactive sketches using _triggers_
- Static build for production deployment

## Installation

### With `npx`

```bash
npx fragment-tools sketch.js --new
```

### Installing globally with `--global`

```bash
npm install fragment-tools --global
```

You should now be able to run `fragment` from your command line.

```bash
fragment sketch.js --new
```

### Installing locally

```bash
npm install fragment-tools
npx fragment sketch.js --new
```

## Usage

```
# create a new directory for your sketches
mkdir sketches

# move into that folder
cd sketches

# create a sketch from a template
npx fragment-tools ./sketch.js --new --template=2d
```

Learn more about the available flag options in the [CLI docs](./docs/api/CLI.md).

## Example

This is an example of a sketch drawing a blue circle on a black background with a custom control for the radius of the circle.

```js
export let props = {
radius: {
value: 10,
params: {
min: 4,
max: 30,
},
},
};

export let update = ({ context, width, height }) => {
// draw background
context.fillStyle = '#000000';
context.fillRect(0, 0, width, height);

// draw circle
const radius = props.radius.value;

context.fillStyle = '#0000ff';
context.beginPath();
context.arc(width * 0.5, height * 0.5, radius, 0, 2 * Math.PI, false);
context.fill();
};
```

Learn how to write your own sketch by following the [Getting started](./docs//guide/getting-started.md) guide, reading the [API docs](./docs/api/sketch.md) or the [examples](./examples/).

## Contributing

If you find issues, please [file one](https://github.com/raphaelameaume/fragment/issues) with details on how to reproduce it.

Feel free to reach out on [Twitter](https://twitter.com/raphaelameaume) if you want to discuss the project.

## Running it locally

```
# clone or fork the project
git clone https://github.com/raphaelameaume/fragment.git

# move to the root of the repository
cd fragment

# run the command line locally
node ./bin/index.js examples/shape-2d.js --dev

# or from your sketch folder
node [path-to-root]/bin/index.js sketch.js --dev
```

> The `--dev` flag only enables Vite `info` logLevel, helpful for development. Otherwise it will work the same as when you're running from the npm package.

Alternatively, you can tell npm to point the `fragment` command to the newly cloned folder.

```
# at the root of the repo
npm link
```

You should be able the command as before, only this time it will point to the repository instead of the globally installed package.

```
fragment sketch.js
```

If that's not the case, try to uninstall `fragment-tools` globally first, make sure the `fragment` command is not found anymore, then retry to link the project from the root of the repo.

## Credits

- [Vite](https://vitejs.dev/)
- [Svelte](https://svelte.dev/)
- The font used for display is the [JetBrains Mono](https://www.jetbrains.com/lp/mono/).
- Icons are from [Iconic](https://iconic.app/)
- A special thanks to [Matt Deslauriers](https://www.mattdesl.com/) for [canvas-sketch](https://github.com/mattdesl/canvas-sketch) and his multiple projects around generative-art tools.

## License

See [LICENSE.md](./LICENSE.md) for details.