82 lines
4.2 KiB
Markdown
82 lines
4.2 KiB
Markdown
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<p align="center">
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<img src="https://www.rapier.rs/img/rapier_logo_color_textpath_dark.svg" alt="crates.io">
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</p>
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<p align="center">
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<a href="https://discord.gg/vt9DJSW">
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<img src="https://img.shields.io/discord/507548572338880513.svg?logo=discord&colorB=7289DA">
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</a>
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<a href="https://github.com/dimforge/rapier.js/actions">
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<img src="https://github.com/dimforge/rapier.js/workflows/main/badge.svg" alt="Build status">
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</a>
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<a href="https://opensource.org/licenses/Apache-2.0">
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<img src="https://img.shields.io/badge/License-Apache%202.0-blue.svg">
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</a>
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</p>
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<p align = "center">
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<strong>
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<a href="https://rapier.rs">Website</a> | <a href="https://rapier.rs/docs/">Documentation</a> |
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<a href="https://github.com/dimforge/rapier.js/tree/master/testbed2d/src/demos">2D examples (sources)</a> |
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<a href="https://github.com/dimforge/rapier.js/tree/master/testbed3d/src/demos">3D examples (sources)</a>
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</strong>
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</p>
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---
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<p align = "center">
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<b>2D and 3D physics engines</b>
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<i>for the JavaScript programming language (official bindings).</i>
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</p>
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---
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## Building packages manually
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From the root of the repository, run:
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```shell
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./builds/prepare_builds/prepare_all_projects.sh
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./builds/prepare_builds/build_all_projects.sh
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```
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Note that `prepare_all_projects.sh` only needs to be run once. It needs to be re-run if any file from the
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`builds/prepare_builds` directory (and subdirectories) are modified.
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The built packages will be in `builds/rapier2d/pkg`, `builds/rapier3d/pkg`, etc. To build the `-compat` variant of the
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packages, run `npm run build` in the `rapier-compat` directory. Note that this will only work if you already ran
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`prepare_all_projects.sh`. The compat packages are then generated in, e.g., `rapier-compat/builds/3d/pkg`.
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## Feature selection
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Multiple NPM packages exist for Rapier, depending on your needs:
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- [`@dimforge/rapier2d`](https://www.npmjs.com/package/@dimforge/rapier2d) or
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[`@dimforge/rapier3d`](https://www.npmjs.com/package/@dimforge/rapier3d):
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The main build of the Rapier physics engine for 2D or 3D physics simulation. This should have wide browser
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support while offering great performances. This does **not** guarantee cross-platform determinism of the physics
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simulation (but it is still locally deterministic, on the same machine).
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- [`@dimforge/rapier2d-simd`](https://www.npmjs.com/package/@dimforge/rapier2d-simd) or
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[`@dimforge/rapier3d-simd`](https://www.npmjs.com/package/@dimforge/rapier3d-simd):
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A build with internal SIMD optimizations enabled. More limited browser support (requires support for [simd128](https://caniuse.com/?search=simd)).
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- [`@dimforge/rapier2d-deterministic`](https://www.npmjs.com/package/@dimforge/rapier2d-deterministic) or
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[`@dimforge/rapier3d-deterministic`](https://www.npmjs.com/package/@dimforge/rapier3d-deterministic):
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A less optimized build but with a guarantee of a cross-platform deterministic execution of the physics simulation.
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## Bundler support
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Some bundlers will struggle with the `.wasm` file package into the builds above. Alternative `-compat` versions exist
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which embed the `.wasm` file into the `.js` sources encoded with base64. This results in a bigger package size, but
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much wider bundler support.
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Just append `-compat` to the build you are interested in:
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[`rapier2d-compat`](https://www.npmjs.com/package/@dimforge/rapier2d-compat),
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[`rapier2d-simd-compat`](https://www.npmjs.com/package/@dimforge/rapier2d-simd-compat),
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[`rapier2d-deterministic-compat`](https://www.npmjs.com/package/@dimforge/rapier2d-deterministic-compat),
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[`rapier3d-compat`](https://www.npmjs.com/package/@dimforge/rapier3d-compat),
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[`rapier3d-simd-compat`](https://www.npmjs.com/package/@dimforge/rapier3d-simd-compat),
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[`rapier3d-deterministic-compat`](https://www.npmjs.com/package/@dimforge/rapier3d-deterministic-compat).
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## Nightly builds
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Each time a new Pull Request is merged to the `main` branch of the [`rapier.js` repository](https://github.com/dimforge/rapier.js),
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an automatic _canary_ build is triggered. Builds published to npmjs under the _canary_ tag does not come with any
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stability guarantee and does not follow semver versioning. But it can be a useful solution to try out the latest
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features until a proper release is cut.
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