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yawn/AGENTS.md
T
Akash ShakdwipeeaandAmp b295c0bf0b separate out renderer crate (#13)
* add keyboard handler

* some cleanup

* add l key binding

* Fix WASM shared memory generation for Rust nightly 2025-10-20+

Add explicit linker flags for shared memory generation after Rust PR #147225
removed automatic flags with +atomics. This fixes DataCloneError when sharing
memory with workers.

Changes:
- Add --shared-memory, --max-memory, --import-memory flags
- Export TLS symbols: __wasm_init_tls, __tls_size, __tls_align, __tls_base
- Update both Cargo.toml and package.json build scripts

Amp-Thread-ID: https://ampcode.com/threads/T-41d99b69-5754-4fdf-b06e-a46343fa7485
Co-authored-by: Amp <amp@ampcode.com>

* add a level-editor crate

* remove redundant worker setup

* simplify app setup

* add SceneBuilder

* separate out default scene implementation in a crate

* define default method for MeshBuilder

---------

Co-authored-by: Amp <amp@ampcode.com>
2025-10-22 18:08:02 +05:30

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# Build, Lint, and Test Commands
- `npm run dev`: Start Vite dev server with hot reload for WASM bundle
- `npm run build`: Build optimized WASM and JS in `dist/` for development
- `npm run build-release`: Build optimized WASM and JS for production
- `cargo check`: Validate Rust sources quickly before full builds
- `cargo fmt`: Format Rust code with rustfmt
- No unit tests currently exist; add them as `*_tests.rs` modules
# Code Style Guidelines
- **Rust 2021 idioms**: Use snake_case for modules, files, functions, and variables
- **Indentation**: 4 spaces (configured in rustfmt)
- **Imports**: Group std library, external crates, then local modules
- **Types**: Use descriptive struct fields and enum variants (e.g., `positions`, `normals`)
- **Error handling**: Use `thiserror` derive macro for custom error types
- **Naming**: Mirror GLTF semantics explicitly in struct fields
- **WGSL shaders**: Keep binding names aligned with Rust bind group layouts
- **JavaScript/TypeScript**: Format with prettier defaults
- **Comments**: Add documentation comments for public APIs using `///`
- **Logging**: Use `log::info!`, `log::error!`, etc. from the log crate, not `println!`