{"id":45421,"date":"2023-07-20T21:36:10","date_gmt":"2023-09-30T22:03:52","guid":{"rendered":"https:\/\/www.silicloud.com\/zh\/blog\/45421-2\/"},"modified":"2024-04-30T14:32:23","modified_gmt":"2024-04-30T06:32:23","slug":"45421-2","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/zh\/blog\/45421-2\/","title":{"rendered":""},"content":{"rendered":"

rust\u3068WebAssembley\u3067\u4f55\u304b\u4f5c\u308d\u3046\u3068\u601d\u3063\u305f\u3093\u3067\u3059\u304c\u3001\u4f55\u3082\u601d\u3044\u6d6e\u304b\u3070\u305a\u3001\u30c1\u30e5\u30fc\u30c8\u30ea\u30a2\u30eb\u3092\u3084\u3063\u3066\u307f\u307e\u3057\u305f\u3002<\/p>\n

\"wasm.gif\"<\/div>\n

\u30b3\u30fc\u30c9\u306f\u3053\u3061\u3089\u3067\u3059\u3002
\nhttps:\/\/github.com\/pokotyan\/wasm-game-of-life<\/p>\n

WebAssembley<\/h1>\n

\u30d6\u30e9\u30a6\u30b6\u4e0a\u3067\u52d5\u304b\u305b\u308b\u30d0\u30a4\u30ca\u30ea\u3067\u3059\u3002C\u3001C++\u3001Rust\u3001Go\u3001Kotlin\u3001AssemblyScript\uff08TypeScript\u306e\u30b5\u30d6\u30bb\u30c3\u30c8\uff09\u306a\u3069\u304b\u3089\u30b3\u30f3\u30d1\u30a4\u30eb\u3057\u3066\u751f\u6210\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002
\n\u3044\u308d\u3093\u306a\u8a00\u8a9e\u304b\u3089wasm\u3092\u4f5c\u308c\u307e\u3059\u304c\u3001GC\u3092\u5099\u3048\u305f\u8a00\u8a9e\u3060\u3068\u30b3\u30f3\u30d1\u30a4\u30eb\u5f8c\u306ewasm\u30d5\u30a1\u30a4\u30eb\u304c\u5927\u304d\u304f\u306a\u3063\u3066\u3057\u307e\u3044\u307e\u3059\u3002Rust\u306e\u3088\u3046\u306aGC\u304c\u306a\u3044\u8a00\u8a9e\u3060\u3068wasm\u306e\u30b5\u30a4\u30ba\u304c\u5c0f\u3055\u304f\u306a\u308b\u305f\u3081\u3001\u30da\u30fc\u30b8\u8aad\u307f\u8fbc\u307f\u901f\u5ea6\u3082\u6539\u5584\u3059\u308b\u3088\u3046\u3067\u3059\u3002\u53c2\u8003<\/p>\n

wasm\u306e\u73fe\u72b6\u306e\u4e3b\u306a\u7528\u9014\u306f\u91cd\u3044\u8a08\u7b97\u51e6\u7406\u306a\u3069\u3092\u30aa\u30d5\u30ed\u30fc\u30c9\u3055\u305b\u308b\u305f\u3081\u306b\u4f7f\u308f\u308c\u3066\u308b\u307f\u305f\u3044\u306a\u306e\u3067\u3001GC\u304c\u306a\u3044\u304b\u3064\u3001\u30e1\u30e2\u30ea\u5b89\u5168\u306aRust\u306f\u76f8\u6027\u3044\u3044\u3093\u3058\u3083\u306a\u3044\u304b\u306a\u3068\u601d\u3044\u307e\u3057\u305f\u3002<\/p>\n

\u30c4\u30fc\u30eb\u30c1\u30a7\u30a4\u30f3<\/h1>\n

rust\u3067WebAssembley\u3092\u3084\u308b\u969b\u306e\u30c4\u30fc\u30eb\u30c1\u30a7\u30a4\u30f3\u306f\u3053\u3061\u3089\u306e\u8a18\u4e8b\u304c\u3088\u304f\u7e8f\u307e\u3063\u3066\u3044\u307e\u3057\u305f\u3002\u5927\u304d\u304f\u5206\u3051\u3066emscripten\u7cfb\u7d71\u3068wasm-bindgen\u7cfb\u7d71\u306b\u5927\u5225\u3055\u308c\u308b\u307f\u305f\u3044\u3067\u3059\u3002(wasm-bindgen\u306e\u65b9\u304c\u65b0\u3057\u3044)<\/p>\n

\u5192\u982d\u306e\u30c1\u30e5\u30fc\u30c8\u30ea\u30a2\u30eb\u3067\u306fwasm-bindgen\u7cfb\u7d71\u3067\u3042\u308bwasm-pack\u3092\u5229\u7528\u3057\u3066\u3044\u307e\u3059\u3002
\nwasm-bindgen\u306fRust(wasm)\u3068js\u9593\u304c\u3084\u308a\u3068\u308a\u3067\u304d\u308b\u3088\u3046\u306a\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30fc\u30b9\u3092\u4f5c\u3063\u3066\u304f\u308c\u308b\u30c4\u30fc\u30eb\u3067\u3059\u304c\u3001wasm-pack\u306f\u305d\u308c\u3092\u3055\u3089\u306bwrap\u3057\u3066\u3001webpack\u3067\u8aad\u307f\u8fbc\u3081\u308b\u3088\u3046\u306b\u3057\u305f\u308a\u3068\u304b\u3001npm\u306b\u7c21\u5358\u306bpublish\u3067\u304d\u308b\u3088\u3046\u306a\u30b3\u30de\u30f3\u30c9\u3092\u7528\u610f\u3057\u3066\u304f\u308c\u305f\u308a\u3057\u3066\u307e\u3059\u3002<\/p>\n

\u30dc\u30a4\u30e9\u30fc\u30d7\u30ec\u30fc\u30c8<\/h1>\n

\u30c1\u30e5\u30fc\u30c8\u30ea\u30a2\u30eb\u3067\u306f\u4ee5\u4e0b\u306e\u30dc\u30a4\u30e9\u30fc\u30d7\u30ec\u30fc\u30c8\u3092\u7528\u3044\u3066\u3001\u3055\u3089\u306b\u74b0\u5883\u69cb\u7bc9\u3092\u7c21\u5358\u306b\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n

rust(wasm)\u5074\u306e\u30c6\u30f3\u30d7\u30ec\u30fc\u30c8<\/h2>\n

wasm-pack-template
\nhttps:\/\/github.com\/rustwasm\/wasm-pack-template<\/p>\n

wasm-pack\u3092\u6d3b\u7528\u3057\u305f\u30dc\u30a4\u30e9\u30fc\u30d7\u30ec\u30fc\u30c8\u3067\u3059\u3002\u3053\u306e\u30c6\u30f3\u30d7\u30ec\u30fc\u30c8\u3092cargo-generate\u30b3\u30de\u30f3\u30c9\u3092\u7528\u3044\u3066\u74b0\u5883\u69cb\u7bc9\u3057\u307e\u3059\u3002
\nrust\u306e\u30d1\u30c3\u30b1\u30fc\u30b8\u30de\u30cd\u30fc\u30b8\u30e3\u3067\u3042\u308bcargo\u306f\u3044\u308d\u3044\u308d\u306a\u30b5\u30d6\u30b3\u30de\u30f3\u30c9\u304c\u7528\u610f\u3055\u308c\u3066\u304a\u308a\uff08\u81ea\u5206\u3067\u4f5c\u308b\u3053\u3068\u3082\u53ef\u80fd\uff09\u3001cargo-generate\u3092\u4f7f\u3046\u3068\u3001\u6307\u5b9a\u3057\u305fgit\u30ea\u30dd\u30b8\u30c8\u30ea\u306e\u30c6\u30f3\u30d7\u30ec\u30fc\u30c8\u3092\u5143\u306bRust\u306e\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u3092\u65b0\u898f\u4f5c\u6210\u3067\u304d\u307e\u3059\u3002<\/p>\n

\u306a\u306e\u3067\u3001\u3053\u308c\u3092\u4e00\u767a\u6253\u3064\u3060\u3051\u3067\u3001Rust\u5074\u306e\u74b0\u5883\u69cb\u7bc9\u306f\u7d42\u308f\u308a\u3067\u3059\u3002
\n\uff08\u3082\u3061\u308d\u3093\u4e8b\u524d\u306brust\u3084cargo\u306e\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u306f\u5fc5\u8981\u3067\u3059\u304c\u3001\u305d\u3053\u3082\u30c1\u30e5\u30fc\u30c8\u30ea\u30a2\u30eb\u4e0a\u3067\u3061\u3083\u3093\u3068\u66f8\u304b\u308c\u3066\u307e\u3059\uff09<\/p>\n

$ cargo generate --git https:\/\/github.com\/rustwasm\/wasm-pack-template\r\n<\/code><\/pre>\n
\u30d5\u30ed\u30f3\u30c8\u5074\u306e\u30c6\u30f3\u30d7\u30ec\u30fc\u30c8<\/h2>\n
create-wasm-app
\nhttps:\/\/github.com\/rustwasm\/create-wasm-app<\/p>\n
\u3053\u306e\u30c6\u30f3\u30d7\u30ec\u30fc\u30c8\u3092 npm init wasm-app \u3067\u5229\u7528\u3059\u308b\u3068 hello-wasm-pack \u3068\u3044\u3046wasm\u306enpm\u30d1\u30c3\u30b1\u30fc\u30b8\u3092\u5229\u7528\u3059\u308b\u6700\u4f4e\u9650\u306e\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u304c\u751f\u6210\u3055\u308c\u307e\u3059\u3002<\/p>\n
import<\/span> *<\/span> as<\/span> wasm<\/span> from<\/span> \"<\/span>hello-wasm-pack<\/span>\"<\/span>;<\/span>\r\n\r\nwasm<\/span>.<\/span>greet<\/span>();<\/span>\r\n<\/code><\/pre>\n
\u30c1\u30e5\u30fc\u30c8\u30ea\u30a2\u30eb\u3067\u306f\u3001\u3053\u3053\u306eimport\u3092\u5b9f\u969b\u306b\u81ea\u5206\u3067\u30b3\u30fc\u30c7\u30a3\u30f3\u30b0\u3057\u3001\u30d3\u30eb\u30c9\u3057\u305frust\u306ewasm\u306b\u7f6e\u304d\u63db\u3048\u306a\u304c\u3089\u9032\u3081\u3066\u3044\u304d\u307e\u3059\u3002<\/p>\n
\u4ed6\u306b\u3082\u3042\u308b\u30c6\u30f3\u30d7\u30ec\u30fc\u30c8<\/h2>\n
\u4e0a\u8a18\u306e wasm-pack-template \u3068 create-wasm-app \u306e\u30c6\u30f3\u30d7\u30ec\u30fc\u30c8\u306f\u4ee5\u4e0b\u306e\u3088\u3046\u306a\u5229\u7528\u3092\u60f3\u5b9a\u3057\u305f\u30c6\u30f3\u30d7\u30ec\u30fc\u30c8\u3067\u3059\u3002<\/p>\n
    \n
  • \n
      wasm-pack-template<\/ul>\n<\/li>\n<\/ul>\n
       <\/p>\n
        \n
      • \n
          Rust\u3067\u4f5c\u3063\u305fwasm\u3092npm\u306b\u30d1\u30d6\u30ea\u30c3\u30b7\u30e5\u3057\u3001npm\u30d1\u30c3\u30b1\u30fc\u30b8\u306b\u3059\u308b\u3002<\/ul>\n<\/li>\n<\/ul>\n
           <\/p>\n
            \n
          • \n
              create-wasm-app<\/ul>\n<\/li>\n<\/ul>\n
               <\/p>\n
                npm\u4e0a\u306b\u3042\u308bwasm\u3092\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3057\u5229\u7528\u3059\u308b\u3002<\/ul>\n
                \u306a\u306e\u3067\u3001\u3069\u3061\u3089\u3082npm\u3092\u4ecb\u3057\u3066\u5229\u7528\u3055\u308c\u308b\u3053\u3068\u3092\u671f\u5f85\u3057\u305f\u30c6\u30f3\u30d7\u30ec\u30fc\u30c8\u3067\u3059\u3002
                \n\u305d\u3046\u3067\u306f\u306a\u304f\u3001\u30e2\u30ce\u30ec\u30dd\u7684\u306b\u4f7f\u3048\u308b\u30aa\u30fc\u30eb\u30a4\u30f3\u30ef\u30f3\u306a\u30c6\u30f3\u30d7\u30ec\u30fc\u30c8\u3082\u7528\u610f\u3055\u308c\u3066\u307e\u3059\u3002<\/p>\n
                rust-webpack-template
                \nhttps:\/\/github.com\/rustwasm\/rust-webpack-template<\/p>\n
                rust-parcel-template
                \nhttps:\/\/github.com\/rustwasm\/rust-parcel-template<\/p>\n
                \u3053\u306e\u4e8c\u3064\u306e\u9055\u3044\u306f\u540d\u524d\u306e\u901a\u308a\u3001\u30d0\u30f3\u30c9\u30e9\u30fc\u306bwebpack\u3092\u4f7f\u3046\u304bparcel\u3092\u4f7f\u3046\u304b\u304f\u3089\u3044\u306e\u9055\u3044\u3060\u3068\u306f\u601d\u3044\u307e\u3059\u304c\u3001\u3053\u308c\u3092\u4f7f\u3048\u3070\u4e00\u77ac\u3067Rust + WebAssembley + js\u306e\u74b0\u5883\u69cb\u7bc9\u304c\u3067\u304d\u308b\u306e\u3067\u3001wasm\u3092\u3061\u3087\u3063\u3068\u8a66\u3057\u305f\u3044\u5834\u5408\u306b\u306f\u3059\u3054\u3044\u4fbf\u5229\u305d\u3046\u3067\u3059\u3002<\/p>\n
                \u30e9\u30a4\u30d5\u30b2\u30fc\u30e0<\/h1>\n
                \u30e9\u30a4\u30d5\u30b2\u30fc\u30e0\u3067\u306f\u5404\u30bb\u30eb\u304c\u751f\u6b7b\u306e\u72b6\u614b\u3092\u6301\u3061\u307e\u3059\u3002
                \n\u305d\u3057\u3066\u305d\u308c\u305e\u308c\u306e\u30bb\u30eb\u304c\u4ee5\u4e0b\u306e4\u3064\u306e\u6761\u4ef6\u306b\u3088\u3063\u3066\u751f\u6b7b\u3092\u7e70\u308a\u8fd4\u3057\u307e\u3059\u3002<\/p>\n
                  \n
                • \n
                    \u751f\u304d\u3066\u3044\u308b\u96a3\u4eba\u304c2\u3064\u4ee5\u4e0b\u306e\u751f\u7d30\u80de\u306f\u3001\u904e\u758e\u5316\u304c\u539f\u56e0\u3067\u3042\u308b\u304b\u306e\u3088\u3046\u306b\u3001\u6b7b\u306c\u3002<\/ul>\n<\/li>\n<\/ul>\n
                     <\/p>\n
                      \n
                    • \n
                        2\u3064\u307e\u305f\u306f3\u3064\u306e\u751f\u304d\u305f\u96a3\u4eba\u3092\u6301\u3064\u3059\u3079\u3066\u306e\u751f\u7d30\u80de\u306f\u3001\u6b21\u306e\u4e16\u4ee3\u306b\u751f\u304d\u7d9a\u3051\u308b\u3002<\/ul>\n<\/li>\n<\/ul>\n
                         <\/p>\n
                          \n
                        • \n
                            3\u3064\u4ee5\u4e0a\u306e\u751f\u304d\u3066\u3044\u308b\u96a3\u4eba\u3092\u6301\u3064\u751f\u304d\u3066\u3044\u308b\u7d30\u80de\u306f\u3001\u904e\u758e\u304c\u539f\u56e0\u3067\u3042\u308b\u304b\u306e\u3088\u3046\u306b\u3001\u6b7b\u306c\u3002<\/ul>\n<\/li>\n<\/ul>\n
                             <\/p>\n
                              \u751f\u304d\u3066\u3044\u308b\u96a3\u4eba\u304c\u3061\u3087\u3046\u30693\u4eba\u3044\u308b\u6b7b\u3093\u3060\u7d30\u80de\u306f\u3001\u751f\u6b96\u306b\u3088\u3063\u3066\u751f\u3058\u305f\u304b\u306e\u3088\u3046\u306b\u3001\u751f\u304d\u3066\u3044\u308b\u7d30\u80de\u306b\u306a\u308b\u3002<\/ul>\n
                              \u3053\u306e\u4e16\u4ee3\u4ea4\u4ee3\u3092requestAnimationFrame\u306e\u5ea6\u306b\u5b9f\u884c\u3059\u308b\u3068\u3001\u5192\u982d\u306b\u8cbc\u3063\u305fgif\u306e\u3088\u3046\u306b\u306a\u308a\u307e\u3059\u3002
                              \n\u3053\u306e\u30e9\u30a4\u30d5\u30b2\u30fc\u30e0\u3067\u73fe\u308c\u308b\u30bb\u30eb\u306e\u30d1\u30bf\u30fc\u30f3\u306f\u3044\u308d\u3044\u308d\u3042\u308a\u3001\u8abf\u3079\u308b\u3068\u8272\u3005\u51fa\u3066\u304d\u307e\u3059\u3002\u50d5\u306f\u3053\u306e\u30c1\u30e5\u30fc\u30c8\u30ea\u30a2\u30eb\u3067\u30e9\u30a4\u30d5\u30b2\u30fc\u30e0\u3068\u3044\u3046\u3082\u306e\u3092\u77e5\u308a\u307e\u3057\u305f\u304c\u3001\u30e9\u30a4\u30d5\u30b2\u30fc\u30e0\u306f\u30c1\u30e5\u30fc\u30ea\u30f3\u30b0\u5b8c\u5168\u3089\u3057\u304f\u3001\u8ad6\u7406\u30b2\u30fc\u30c8\u3092\u4f5c\u3063\u3066\u308b\u4eba\u3082\u3044\u307e\u3057\u305f\u3002<\/p>\n
                              js\u304b\u3089wasm\u306e\u30e1\u30e2\u30ea\u3092\u53c2\u7167\u3059\u308b<\/h1>\n
                              \u30c1\u30e5\u30fc\u30c8\u30ea\u30a2\u30eb\u3067\u306f\u3001\u521d\u3081\u306f\u7c21\u5358\u306a\u5b9f\u88c5\u3067\u30e9\u30a4\u30d5\u30b2\u30fc\u30e0\u3092\u52d5\u304b\u3057\u3001\u305d\u308c\u3092\u30ea\u30d5\u30a1\u30af\u30bf\u3057\u3066\u3044\u304f\u5f62\u3067\u9032\u3093\u3067\u3044\u304d\u307e\u3059\u3002<\/p>\n
                              \u6700\u521d\u306e\u5b9f\u88c5\u306frust\u306ewasm\u5074\u3067\u300c\u30bb\u30eb\u306e\u751f\u6b7b\u306e\u72b6\u614b\u306b\u3088\u3063\u3066 \u25fc \u3082\u3057\u304f\u306f \u25fb \u3092\u51fa\u529b\u3059\u308b\u300d\u3068\u3044\u3046\u30b3\u30fc\u30c9\u3092\u66f8\u304d\u307e\u3059\u3002\u305d\u3057\u3066js\u5074\u304b\u3089\u306f\u305d\u306e\u95a2\u6570\u3092\u547c\u3073\u51fa\u3059\u3060\u3051\u3067\u3059\u3002js\u5074\u304b\u3089wasm\u5074\u306b\u5168\u3066\u306e\u51e6\u7406\u3092\u4efb\u305b\u3066\u308b\u30a4\u30e1\u30fc\u30b8\u3067\u3059\u3002<\/p>\n
                              #[wasm_bindgen]<\/span>\r\nimpl<\/span> Universe<\/span> {<\/span>\r\n    \/\/ ...<\/span>\r\n\r\n    pub<\/span> fn<\/span> render<\/span>(<\/span>&<\/span>self<\/span>)<\/span> -><\/span> String<\/span> {<\/span>\r\n        self<\/span>.to_string<\/span>()<\/span>\r\n    }<\/span>\r\n}<\/span>\r\n\r\nimpl<\/span> fmt<\/span>::<\/span>Display<\/span> for<\/span> Universe<\/span> {<\/span>\r\n    fn<\/span> fmt<\/span>(<\/span>&<\/span>self<\/span>,<\/span> f<\/span>:<\/span> &<\/span>mut<\/span> fmt<\/span>::<\/span>Formatter<\/span>)<\/span> -><\/span> fmt<\/span>::<\/span>Result<\/span> {<\/span>\r\n        for<\/span> line<\/span> in<\/span> self<\/span>.cells<\/span>.as_slice<\/span>()<\/span>.chunks<\/span>(<\/span>self<\/span>.width<\/span> as<\/span> usize<\/span>)<\/span> {<\/span>\r\n            for<\/span> &<\/span>cell<\/span> in<\/span> line<\/span> {<\/span>\r\n                \/\/ cell\u306e\u72b6\u614b\u306b\u3088\u3063\u3066\u8868\u793a\u3092\u5909\u3048\u308b<\/span>\r\n                let<\/span> symbol<\/span> =<\/span> if<\/span> cell<\/span> ==<\/span> Cell<\/span>::<\/span>Dead<\/span> {<\/span> '\u25fb'<\/span> }<\/span> else<\/span> {<\/span> '\u25fc'<\/span> };<\/span>\r\n                write!<\/span>(<\/span>f<\/span>,<\/span> \"{}\"<\/span>,<\/span> symbol<\/span>)<\/span>?<\/span>;<\/span>\r\n            }<\/span>\r\n            write!<\/span>(<\/span>f<\/span>,<\/span> \"<\/span>\\n<\/span>\"<\/span>)<\/span>?<\/span>;<\/span>\r\n        }<\/span>\r\n\r\n        Ok<\/span>(())<\/span>\r\n    }<\/span>\r\n}<\/span>\r\n<\/code><\/pre>\n
                              const<\/span> pre<\/span> =<\/span> document<\/span>.<\/span>getElementById<\/span>(<\/span>\"<\/span>game-of-life-text<\/span>\"<\/span>);<\/span>\r\n\r\n\/\/ js\u5074\u304b\u3089\u306frender\u3092\u53e9\u304f\u3060\u3051\u3002<\/span>\r\npre<\/span>.<\/span>textContent<\/span> =<\/span> universe<\/span>.<\/span>render<\/span>();<\/span>\r\n<\/code><\/pre>\n
                              \u305d\u308c\u3092\u6b21\u306e\u5b9f\u88c5\u3067\u306fjs\u5074\u304b\u3089wasm\u306e\u30e1\u30e2\u30ea\u3092\u53c2\u7167\u3057\u3066\u5404\u30bb\u30eb\u306e\u751f\u6b7b\u306e\u72b6\u614b\u3092\u78ba\u8a8d\u3057\u3001js\u5074\u3067\u63cf\u753b\u3059\u308b\u3068\u3044\u3063\u305f\u5f62\u306b\u30ea\u30d5\u30a1\u30af\u30bf\u3057\u307e\u3059\u3002<\/p>\n
                              \u5177\u4f53\u7684\u306b\u306f\u3053\u3093\u306a\u611f\u3058\u3067wasm\u306e\u30e1\u30e2\u30ea\u3092\u53c2\u7167\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n
                              #[wasm_bindgen]<\/span>\r\nimpl<\/span> Universe<\/span> {<\/span>\r\n    \/\/ cells\u306b\u306f\u5404\u30bb\u30eb\u306e\u751f\u6b7b\u72b6\u614b(0 or 1)\u304c\u5165\u3063\u305f\u914d\u5217\u3002\u305d\u308c\u306e\u30dd\u30a4\u30f3\u30bf\u3092\u8fd4\u3059<\/span>\r\n    pub<\/span> fn<\/span> cells<\/span>(<\/span>&<\/span>self<\/span>)<\/span> -><\/span> *<\/span>const<\/span> Cell<\/span> {<\/span>\r\n        self<\/span>.cells<\/span>.as_ptr<\/span>()<\/span>\r\n    }<\/span>\r\n<\/code><\/pre>\n
                              import<\/span> {<\/span> Universe<\/span>,<\/span> Cell<\/span> }<\/span> from<\/span> \"<\/span>wasm-game-of-life<\/span>\"<\/span>;<\/span>\r\nimport<\/span> {<\/span> memory<\/span> }<\/span> from<\/span> \"<\/span>wasm-game-of-life\/wasm_game_of_life_bg<\/span>\"<\/span>;<\/span>\r\n\r\n  \/\/ wasm\u306e\u30e1\u30e2\u30ea\u5185\u304b\u3089cells\u306e\u30e1\u30e2\u30ea\u5185\u5bb9\u3092\u53d6\u5f97\u3059\u308b\u3002<\/span>\r\n  \/\/ cellsPtr\u306b\u306fcells\u306e\u5148\u982d\u30a2\u30c9\u30ec\u30b9\u304c\u5165\u3063\u3066\u3044\u308b\u3002cells\u306e\u5148\u982d\u304b\u3089width * height\u5206\u306e\u7bc4\u56f2\u306e\u30e1\u30e2\u30ea\u5185\u5bb9\u3092\u8fd4\u3059\u3002<\/span>\r\n  const<\/span> cellsPtr<\/span> =<\/span> universe<\/span>.<\/span>cells<\/span>();<\/span>\r\n  const<\/span> cells<\/span> =<\/span> new<\/span> Uint8Array<\/span>(<\/span>memory<\/span>.<\/span>buffer<\/span>,<\/span> cellsPtr<\/span>,<\/span> width<\/span> *<\/span> height<\/span>);<\/span>\r\n<\/code><\/pre>\n
                              \u305d\u3057\u3066\u3001wasm\u306e\u30e1\u30e2\u30ea\u304b\u3089\u53d6\u308a\u51fa\u3057\u305f\u5404\u30bb\u30eb\u306e\u60c5\u5831\u3092\u5143\u306b\u753b\u9762\u3078\u63cf\u753b\u3057\u307e\u3059\u3002<\/p>\n
                                ctx<\/span>.<\/span>beginPath<\/span>();<\/span>\r\n\r\n  for<\/span> (<\/span>let<\/span> row<\/span> =<\/span> 0<\/span>;<\/span> row<\/span> <<\/span> height<\/span>;<\/span> row<\/span>++<\/span>)<\/span> {<\/span>\r\n    for<\/span> (<\/span>let<\/span> col<\/span> =<\/span> 0<\/span>;<\/span> col<\/span> <<\/span> width<\/span>;<\/span> col<\/span>++<\/span>)<\/span> {<\/span>\r\n      const<\/span> idx<\/span> =<\/span> getIndex<\/span>(<\/span>row<\/span>,<\/span> col<\/span>);<\/span>\r\n\r\n      \/\/ cell\u306e\u72b6\u614b\u306b\u3088\u3063\u3066\u8868\u793a\u3092\u5909\u3048\u308b<\/span>\r\n      ctx<\/span>.<\/span>fillStyle<\/span> =<\/span> cells<\/span>[<\/span>idx<\/span>]<\/span> ===<\/span> Cell<\/span>.<\/span>Dead<\/span> ?<\/span> DEAD_COLOR<\/span> :<\/span> ALIVE_COLOR<\/span>;<\/span>\r\n\r\n      ctx<\/span>.<\/span>fillRect<\/span>(<\/span>\r\n        col<\/span> *<\/span> (<\/span>CELL_SIZE<\/span> +<\/span> 1<\/span>)<\/span> +<\/span> 1<\/span>,<\/span>\r\n        row<\/span> *<\/span> (<\/span>CELL_SIZE<\/span> +<\/span> 1<\/span>)<\/span> +<\/span> 1<\/span>,<\/span>\r\n        CELL_SIZE<\/span>,<\/span>\r\n        CELL_SIZE<\/span>\r\n      );<\/span>\r\n    }<\/span>\r\n  }<\/span>\r\n\r\n  ctx<\/span>.<\/span>stroke<\/span>();<\/span>\r\n<\/code><\/pre>\n
                              \u4eca\u307e\u3067\u3001js\u3067ArrayBuffer\u3092\u6271\u3046\u30b3\u30fc\u30c9\u3092\u66f8\u304f\u3053\u3068\u306f\u305d\u3093\u306a\u306a\u304b\u3063\u305f\u305f\u3081\u3001\u3042\u307e\u308a\u308f\u304b\u3063\u3066\u306a\u3044\u3067\u3059\u304c\u3001\u3053\u3053\u3089\u8fba\u306e\u30e1\u30e2\u30ea\u306e\u6271\u3044\u304cWebAssembley\u3092\u3084\u3063\u3066\u304f\u4e0a\u3067\u306e\u30ad\u30e2\u3060\u306a\u3042\u3068\u3044\u3046\u611f\u3058\u304c\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n
                              \u6700\u5f8c\u306b<\/h1>\n
                              \u50d5\u306f\u3082\u3046\u3044\u3044\u304b\u3068\u601d\u3063\u3066\u3084\u3063\u3066\u306a\u3044\u3067\u3059\u304c\u3001 \u4ee5\u4e0b\u306e\u3088\u3046\u306a\u5185\u5bb9\u3082\u30c1\u30e5\u30fc\u30c8\u30ea\u30a2\u30eb\u306b\u3042\u308a\u307e\u3059\u3002<\/p>\n
                                \n
                              • \n
                                  \u751f\u6b7b\u306e\u5224\u5b9a\u306b8bit\u3082\u4f7f\u3063\u3066\u3044\u308b\u306e\u30921bit\u3067\u5224\u5b9a\u3059\u308b\u3088\u3046\u306b\u30ea\u30d5\u30a1\u30af\u30bf<\/ul>\n<\/li>\n<\/ul>\n
                                   <\/p>\n
                                    \n
                                  • \n
                                      \u30c6\u30b9\u30c8\u306e\u8ffd\u52a0<\/ul>\n<\/li>\n<\/ul>\n
                                       <\/p>\n
                                        \n
                                      • \n
                                          \u30d5\u30ec\u30fc\u30e0\u306e\u305f\u3073\u306b\u30c7\u30d0\u30c3\u30ac\u30fc\u3092\u631f\u3080<\/ul>\n<\/li>\n<\/ul>\n
                                           <\/p>\n
                                            \n
                                          • \n
                                              \u4e00\u6642\u505c\u6b62\u30dc\u30bf\u30f3<\/ul>\n<\/li>\n<\/ul>\n
                                               <\/p>\n
                                                \n
                                              • \n
                                                  \u30d5\u30ec\u30fc\u30e0\u3054\u3068\u306b\u304b\u304b\u3063\u305f\u51e6\u7406\u6642\u9593\u306e\u8a08\u6e2c<\/ul>\n<\/li>\n<\/ul>\n
                                                   <\/p>\n
                                                    \n
                                                  • \n
                                                      \u30d3\u30eb\u30c9\u306e\u30aa\u30d7\u30b7\u30e7\u30f3\u3092\u898b\u76f4\u3057\u3066\u3001wasm\u306e\u30b5\u30a4\u30ba\u524a\u6e1b<\/ul>\n<\/li>\n<\/ul>\n
                                                       <\/p>\n
                                                        npm\u3078publish<\/ul>\n
                                                        \u305d\u3093\u306a\u306b\u6642\u9593\u3082\u304b\u304b\u3089\u305a\u7d42\u308f\u308b\u306e\u3067WebAssembley\u304c\u6c17\u306b\u306a\u3063\u3066\u3044\u308b\u4eba\u306f\u3053\u306e\u30c1\u30e5\u30fc\u30c8\u30ea\u30a2\u30eb\u3092\u3084\u3063\u3066\u307f\u3066\u306f\u3069\u3046\u3067\u3057\u3087\u3046\u304b\uff01<\/p>\n","protected":false},"excerpt":{"rendered":"
                                                        rust\u3068WebAssembley\u3067\u4f55\u304b\u4f5c\u308d\u3046\u3068\u601d\u3063\u305f\u3093\u3067\u3059\u304c\u3001\u4f55\u3082\u601d\u3044\u6d6e\u304b\u3070\u305a\u3001\u30c1\u30e5\u30fc\u30c8\u30ea\u30a2\u30eb\u3092\u3084\u3063\u3066\u307f\u307e\u3057 […]<\/p>\n","protected":false},"author":4,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-45421","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"yoast_head":"\n- Blog - Silicon Cloud<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.silicloud.com\/zh\/blog\/45421-2\/\" \/>\n<meta property=\"og:locale\" content=\"zh_CN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:description\" content=\"rust\u3068WebAssembley\u3067\u4f55\u304b\u4f5c\u308d\u3046\u3068\u601d\u3063\u305f\u3093\u3067\u3059\u304c\u3001\u4f55\u3082\u601d\u3044\u6d6e\u304b\u3070\u305a\u3001\u30c1\u30e5\u30fc\u30c8\u30ea\u30a2\u30eb\u3092\u3084\u3063\u3066\u307f\u307e\u3057 […]\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.silicloud.com\/zh\/blog\/45421-2\/\" \/>\n<meta property=\"og:site_name\" content=\"Blog - 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