{"id":45635,"date":"2023-02-15T00:41:31","date_gmt":"2023-07-03T08:05:51","guid":{"rendered":"https:\/\/www.silicloud.com\/zh\/blog\/45635-2\/"},"modified":"2024-04-29T14:39:46","modified_gmt":"2024-04-29T06:39:46","slug":"45635-2","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/zh\/blog\/45635-2\/","title":{"rendered":""},"content":{"rendered":"<h1>\u6982\u8981<\/h1>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">\u30d6\u30e9\u30a6\u30b6\u4e0a\u3067\u52d5\u753b\u3092\u30ea\u30a2\u30eb\u30bf\u30a4\u30e0\u306b\u753b\u50cf\u51e6\u7406\u3059\u308b\u3002<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">Rust\u306b\u3088\u3063\u3066\u4f5c\u6210\u3057\u305fWebAssembly\u3068\u3001JavaScript\u3068\u306e\u51e6\u7406\u901f\u5ea6\u306e\u6bd4\u8f03\u3092\u884c\u3046\u3002<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">\u7d50\u679c\u306f\u3001Firefox(JS) &gt; Chrome(Rust) &gt; Chrome(JS) &gt; Firefox(Rust) [\u901f\u3044\u9806] \u3068\u306a\u3063\u305f\u3002<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">\u753b\u7d20\u65701920&#215;1080\u3067\u306e\u30d5\u30ec\u30fc\u30e0\u30ec\u30fc\u30c8\u306f\u3001\u6700\u901f\u306eFirefox(JS)\u3067\u7d0410\uff5e12fps\u3068\u306a\u308b\u3002<\/ul>\n<\/li>\n<\/ul>\n<p>\u3053\u306e\u8a18\u4e8b\u3067\u793a\u3059\u51e6\u7406\u4ee5\u5916\u306e\u3082\u306e\u304c\u5165\u3063\u305f\u3068\u304d\u306e\u30d5\u30ec\u30fc\u30e0\u30ec\u30fc\u30c8\u3067\u3042\u308b\u3002\u305f\u3060\u3053\u3053\u3067\u306e\u51e6\u7406\u304c\u4ed6\u306e\u306b\u6bd4\u3079\u3066\u5927\u304d\u304f\u30dc\u30c8\u30eb\u30cd\u30c3\u30af\u306b\u306f\u306a\u3063\u3066\u3044\u308b\u3002<\/p>\n<h1>WebAssembly\u3068\u306f<\/h1>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">WebAssembly1\u3068\u306f\u3001\u30d6\u30e9\u30a6\u30b6\u4e0a\u3067\u52d5\u304f\u30d0\u30a4\u30ca\u30ea\u30b3\u30fc\u30c9\u3067\u3042\u308b\u3002JavaScript\u306b\u6bd4\u3079\u3066\u51e6\u7406\u901f\u5ea6\u304c\u901f\u3044\u3068\u3044\u3046\u7279\u5fb4\u304c\u3042\u308b\u3002<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">JavaScript\u304b\u3089WebAssembly\u306e\u95a2\u6570\u304c\u547c\u3073\u51fa\u3055\u308c\u305f\u308a\u3001WebAssembly\u304b\u3089JavaScript\u306e\u95a2\u6570\u304c\u547c\u3073\u51fa\u3055\u308c\u305f\u308a\u3059\u308b\u3002<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">WebAssembly\u304b\u3089HTML\u306e\u8981\u7d20\u3092\u64cd\u4f5c\u3059\u308b\u3053\u3068\u306f\u3067\u304d\u306a\u3044\u3002<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">C\/C++, Rust, C#, Go\u306a\u3069\u306e\u8a00\u8a9e\u306b\u3088\u3063\u3066\u958b\u767a\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u308b\u3002<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">Unity\u306eWebGL\u30d3\u30eb\u30c9\u306e\u30b9\u30bf\u30f3\u30c0\u30fc\u30c9\u306b\u306a\u3063\u3066\u3044\u308b2\u3002<\/ul>\n<p>\u3053\u306e\u8a18\u4e8b\u3067\u306f\u3001Rust\u306b\u3088\u3063\u3066\u958b\u767a\u3055\u308c\u305fWebAssembly\u306b\u3064\u3044\u3066\u8a18\u8ff0\u3059\u308b\u3002<\/p>\n<h1>Rust\u3068\u306f<\/h1>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">Rust(\u30e9\u30b9\u30c8)3\u3068\u306f\u3001\u30de\u30eb\u30c1\u30d1\u30e9\u30c0\u30a4\u30e0\uff08\u624b\u7d9a\u304d\u578b\u3001\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u6307\u5411\u3001\u95a2\u6570\u578b\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0\u306a\u3069\uff09\u306e\u5b9f\u88c5\u624b\u6cd5\u3092\u30b5\u30dd\u30fc\u30c8\u3057\u3066\u3044\u308bC\u8a00\u8a9e\u306b\u4f3c\u305f\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0\u8a00\u8a9e\u3067\u3042\u308b\u3002<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">C\/C++\u306b\u4ee3\u308f\u308b\u30b3\u30f3\u30d4\u30e5\u30fc\u30bf\u306e\u30cf\u30fc\u30c9\u30a6\u30a7\u30a2\u306e\u64cd\u4f5c\u3001\u5236\u5fa1\u306e\u305f\u3081\u306b\u4f7f\u7528\u3055\u308c\u308b\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0\u8a00\u8a9e\u3092\u76ee\u6307\u3057\u3066\u3044\u308b4\u3002<\/ul>\n<h1>\u3053\u306e\u8a18\u4e8b\u3067\u6271\u3046\u753b\u50cf\u51e6\u7406\u306b\u3064\u3044\u3066<\/h1>\n<div><img decoding=\"async\" class=\"post-images\" title=\"\" src=\"https:\/\/cdn.silicloud.com\/blog-img\/blog\/img\/657d602537434c4406cfa0af\/8-0.png\" alt=\"undefined\" \/><\/div>\n<p>\u3053\u3053\u3067\u6271\u3046\u753b\u50cf\u51e6\u7406\u306f\u3001\u30d5\u30ebHD(1920&#215;1080\u30d4\u30af\u30bb\u30eb)\u306e\u753b\u50cf\u309210&#215;10\u306e\u30bb\u30eb\u306b\u5206\u5272\u3057\u3001\u305d\u306e\u305d\u308c\u305e\u308c\u306e\u30bb\u30eb\u3067\u5e73\u5747\u3092\u53d6\u308b\u3082\u306e\u3068\u3059\u308b\u3002\u5e73\u5747\u5024\u306f\u5c65\u6b74\u3092\u6301\u3063\u3066\u3044\u3066\u3001\u65b0\u3057\u3044\u5024\u304c\u3059\u3050\u306b\u30bb\u30eb\u3092\u4ee3\u8868\u3059\u308b\u5e73\u5747\u5024\u306b\u306a\u308b\u308f\u3051\u3067\u306f\u306a\u3044\u3002\u3053\u306e\u51e6\u7406\u306b\u3088\u3063\u3066\u52d5\u304d\u306e\u3042\u308b\u90e8\u5206\u306f\u8584\u304f\u3001\u5909\u5316\u306e\u5c11\u306a\u3044\u80cc\u666f\u306f\u30cf\u30c3\u30ad\u30ea\u3068\u8868\u793a\u3055\u308c\u308b\u3088\u3046\u306b\u306a\u308b\u3002\u4e0a\u306e\u56f3\u3067\u306f\u53c2\u8003\u7528\u306b\u51e6\u7406\u7d50\u679c\u3092\u53f3\u306e\u753b\u50cf\u3067\u8868\u793a\u3057\u3066\u3044\u308b\u3002\u305f\u3060\u51e6\u7406\u901f\u5ea6\u306e\u8a08\u6e2c\u6642\u306b\u306f\u3001\u753b\u50cf\u51e6\u7406\u306e\u7d50\u679c\u3092\u8868\u793a\u305b\u305a\u306b\u5404\u30bb\u30eb\u306e\u5e73\u5747\u5024\u3092\u8a08\u7b97\u3059\u308b\u3068\u3053\u308d\u307e\u3067\u306e\u6642\u9593\u3092\u8a08\u6e2c\u3059\u308b\u3068\u3059\u308b\u3002<\/p>\n<h1>\u7d50\u679c\uff1a\u51e6\u7406\u901f\u5ea6<\/h1>\n<div><img decoding=\"async\" class=\"post-images\" title=\"\" src=\"https:\/\/cdn.silicloud.com\/blog-img\/blog\/img\/657d602537434c4406cfa0af\/11-0.png\" alt=\"undefined\" \/><\/div>\n<p>1\u753b\u9762\u306e\u30bb\u30eb\u5316\u3001\u5e73\u5747\u5316\u51e6\u7406\u306b\u304b\u304b\u308b\u6642\u9593\u3092\u3001Chrome\u3001Firefox\u30d6\u30e9\u30a6\u30b6\u306b\u304a\u3044\u3066\u305d\u308c\u305e\u308c\u3001JavaScript\u306fJS\u3068\u8868\u8a18\u3001WebAssembly\u306fRust\u3068\u3057\u3066\u56f3\u306b\u793a\u3059\u3002\u6e2c\u5b9a\u6761\u4ef6\u306b\u3064\u3044\u3066\u306f\u6b21\u306e\u3088\u3046\u306b\u306a\u3063\u3066\u3044\u308b\u3002<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">Dell Inspiron 7501 Windows 10 Home x64 (10.0.19042 \u30d3\u30eb\u30c9 19042)<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">Core i7-10750H 2.60GHz, RAM 16.0GB<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">Chrome 93.0.4577.82 (64\u30d3\u30c3\u30c8)<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">Firefox 92.0 (64\u30d3\u30c3\u30c9)<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">\u8a08\u6e2c\u306f100\u56de\u5b9f\u65bd\u3057\u305f\u5e73\u5747\u5024\u3092\u3001\u305d\u308c\u305e\u308c\u306e\u30d6\u30e9\u30a6\u30b6\u3001JavaScript\/WebAssembly\u306e\u9805\u76ee\u3092\u5909\u3048\u306a\u304c\u30892\u56de\u4ee5\u4e0a\u6c42\u3081\u305f\u304a\u304a\u3088\u305d\u306e\u5024<\/ul>\n<h1>\u958b\u767a\u3001\u5b9f\u884c\u74b0\u5883\u306e\u6982\u8981<\/h1>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">WebAssembly\u306fRust\u3067\u958b\u767a\u3057\u3001node.js\u306ewebpack\u306b\u3088\u3063\u3066\u30d1\u30c3\u30b1\u30fc\u30b8\u5316\u3059\u308b\u3002<\/ul>\n<\/li>\n<\/ul>\n<p>index.html: \u30d6\u30e9\u30a6\u30b6\u3067\u8868\u793a\u3059\u308b\u30d5\u30a1\u30a4\u30eb\u3002<br \/>\nindex.js: index.html\u304b\u3089\u8aad\u307f\u8fbc\u307e\u308c\u3001\u52d5\u753b\u306e\u8aad\u307f\u8fbc\u307f\u3001\u753b\u50cf\u30c7\u30fc\u30bf\u306e\u53d6\u5f97\u3001WebAssembly\u306e\u8aad\u307f\u8fbc\u307f\u3001\u753b\u50cf\u51e6\u7406\u3001\u7d50\u679c\u306e\u8868\u793a\u3092\u884c\u3046\u3002<br \/>\nTimeChecker.js: \u51e6\u7406\u6642\u9593\u3092\u8a08\u6e2c\u3059\u308b\u305f\u3081\u306eJavaScript\u3002<br \/>\nlib.rs: WebAssembly\u306b\u306a\u308bRust\u306e\u30b3\u30fc\u30c9\u3002<\/p>\n<p>WebAssembly\u306f\u3001wasm-pack\u306b\u3088\u308a\u958b\u767a\u74b0\u5883\u306e\u69cb\u7bc9\u3092\u69cb\u7bc9\u3057\u305f\u3002<\/p>\n<p>\u4ee5\u4e0b\u306b\u307e\u305a\u3001\u305d\u308c\u305e\u308c\u306e\u958b\u767a\u3057\u305f\u30bd\u30fc\u30b9\u30b3\u30fc\u30c9\u3092\u793a\u3057\u3001\u6700\u5f8c\u306b\u958b\u767a\u74b0\u5883\u69cb\u7bc9\u306b\u3064\u3044\u3066\u8a18\u8ff0\u3059\u308b\u3002<\/p>\n<h1>JavaScript\u3068Rust\u3068\u306e\u5171\u6709\u30e1\u30e2\u30ea\u306e\u69cb\u9020<\/h1>\n<div><img decoding=\"async\" class=\"post-images\" title=\"\" src=\"https:\/\/cdn.silicloud.com\/blog-img\/blog\/img\/657d602537434c4406cfa0af\/18-0.png\" alt=\"undefined\" \/><\/div>\n<p>\u4e0a\u8a18\u306e\u3088\u3046\u306b\u3001Rust\u5074\u3067\u4f5c\u6210\u3057\u305fpixels0, pixels2\u3092JavaScript\u306eUnit8Array, Uint8ClampedArray\u306a\u3069\u306b\u3088\u3063\u3066\u4f5c\u6210\u3055\u308c\u305fwasm_pixels0, wasm_pixels2\u306b\u3088\u3063\u3066\u5171\u6709\u3059\u308b\u3002\u307e\u305f\u3001wasm_pixels2\u306f\u305d\u306e\u30e1\u30e2\u30ea\u3092\u4f7f\u3063\u305fImageData\u3092\u4f5c\u6210\u3057\u3001Cavans\u306b\u63cf\u753b\u3059\u308b\u3002<\/p>\n<h1>HTML(index.html)<\/h1>\n<p>HTML\u306f\u3001wasm-pack\u3067\u4f5c\u6210\u3055\u308c\u305f\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u306estatic\/index.html\u3092\u7de8\u96c6\u3059\u308b\u3002<br \/>\n\u4ee5\u4e0b\u306f\u3001HTML\u306e\u5168\u6587\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"cp\">&lt;!DOCTYPE html&gt;<\/span>\r\n<span class=\"nt\">&lt;html&gt;<\/span>\r\n\r\n<span class=\"nt\">&lt;head&gt;<\/span>\r\n  <span class=\"nt\">&lt;meta<\/span> <span class=\"na\">charset=<\/span><span class=\"s\">\"UTF-8\"<\/span><span class=\"nt\">&gt;<\/span>\r\n  <span class=\"nt\">&lt;title&gt;<\/span>WebAssembly(Rust) vs. JavaScript<span class=\"nt\">&lt;\/title&gt;<\/span>\r\n  <span class=\"c\">&lt;!-- \u901f\u5ea6\u8a08\u6e2c\u306e\u305f\u3081\u306eJavaScript\u3001\u5185\u5bb9\u306b\u3064\u3044\u3066\u306f\u3053\u306e\u8a18\u4e8b\u3067\u5f8c\u8ff0\u3059\u308b\u3002--&gt;<\/span>\r\n  <span class=\"nt\">&lt;script <\/span><span class=\"na\">src=<\/span><span class=\"s\">\"TimeChecker.js\"<\/span><span class=\"nt\">&gt;&lt;\/script&gt;<\/span>\r\n<span class=\"nt\">&lt;\/head&gt;<\/span>\r\n\r\n<span class=\"nt\">&lt;body&gt;<\/span>\r\n  <span class=\"nt\">&lt;video<\/span> <span class=\"na\">id=<\/span><span class=\"s\">\"video\"<\/span><span class=\"nt\">&gt;&lt;\/video&gt;<\/span>\r\n  <span class=\"nt\">&lt;canvas<\/span> <span class=\"na\">id=<\/span><span class=\"s\">\"canvas\"<\/span><span class=\"nt\">&gt;&lt;\/canvas&gt;<\/span>\r\n  <span class=\"nt\">&lt;script <\/span><span class=\"na\">src=<\/span><span class=\"s\">\"index.js\"<\/span><span class=\"nt\">&gt;&lt;\/script&gt;<\/span>\r\n<span class=\"nt\">&lt;\/body&gt;<\/span>\r\n\r\n<span class=\"nt\">&lt;\/html&gt;<\/span>\r\n<\/code><\/pre>\n<h1>JavaScript\u306e\u30b3\u30fc\u30c9(index.js)<\/h1>\n<p>WebAssembly\u306eRust\u30b3\u30fc\u30c9\u306f\u3001\u5f8c\u8ff0\u3059\u308bwebpack\u3067\u4f5c\u6210\u3055\u308c\u3066\u3044\u308b\u3082\u306e\u3068\u3059\u308b\u3002<br \/>\nJavaScript\u306e\u30b3\u30fc\u30c9\u306f\u3001wasm-pack\u3067\u4f5c\u6210\u3055\u308c\u305f\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u306ejs\/index.js\u306b\u8a18\u8ff0\u3059\u308b\u3002<\/p>\n<p>\u4ee5\u4e0b\u306f\u3001\u30d7\u30ed\u30b0\u30e9\u30e0\u306e\u5168\u6587\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"c1\">\/\/ WebAssembly(Rust)\u306e\u8aad\u307f\u8fbc\u307f\u3092await\u3092\u4f7f\u7528\u3057\u3066\u540c\u671f\u7684\u306b\u884c\u3046\u305f\u3081\u3001\u51e6\u7406\u3092async\u95a2\u6570\u3068\u3057\u3066\u5b9f\u88c5\u3059\u308b\u3002<\/span>\r\n<span class=\"p\">(<\/span><span class=\"k\">async<\/span> <span class=\"p\">()<\/span> <span class=\"o\">=&gt;<\/span> <span class=\"p\">{<\/span>\r\n    <span class=\"c1\">\/\/ WebAssembly\u306e\u8aad\u307f\u8fbc\u307f<\/span>\r\n    <span class=\"kd\">let<\/span> <span class=\"nx\">wasm<\/span> <span class=\"o\">=<\/span> <span class=\"k\">await<\/span> <span class=\"k\">import<\/span><span class=\"p\">(<\/span><span class=\"dl\">\"<\/span><span class=\"s2\">..\/pkg\/index.js<\/span><span class=\"dl\">\"<\/span><span class=\"p\">).<\/span><span class=\"k\">catch<\/span><span class=\"p\">(<\/span><span class=\"nx\">console<\/span><span class=\"p\">.<\/span><span class=\"nx\">error<\/span><span class=\"p\">);<\/span>\r\n    <span class=\"c1\">\/\/ WebAssembly\u306ememory\u5909\u6570\u3092\u4f7f\u7528\u3059\u308b\u305f\u3081\u306b\u8aad\u307f\u8fbc\u3080<\/span>\r\n    <span class=\"kd\">let<\/span> <span class=\"nx\">wasm_bg<\/span> <span class=\"o\">=<\/span> <span class=\"k\">await<\/span> <span class=\"k\">import<\/span><span class=\"p\">(<\/span><span class=\"dl\">\"<\/span><span class=\"s2\">..\/pkg\/index_bg.wasm<\/span><span class=\"dl\">\"<\/span><span class=\"p\">).<\/span><span class=\"k\">catch<\/span><span class=\"p\">(<\/span><span class=\"nx\">console<\/span><span class=\"p\">.<\/span><span class=\"nx\">error<\/span><span class=\"p\">);<\/span>\r\n\r\n    <span class=\"c1\">\/\/ html\u306evideo\u30a8\u30ec\u30e1\u30f3\u30c8\u3067\u52d5\u753b\u3092\u518d\u751f\u3059\u308b\u3002<\/span>\r\n    <span class=\"kd\">const<\/span> <span class=\"nx\">video_opt<\/span> <span class=\"o\">=<\/span> <span class=\"p\">{<\/span>\r\n        <span class=\"na\">width<\/span><span class=\"p\">:<\/span> <span class=\"p\">{<\/span> <span class=\"na\">ideal<\/span><span class=\"p\">:<\/span> <span class=\"mi\">1920<\/span><span class=\"p\">,<\/span> <span class=\"na\">min<\/span><span class=\"p\">:<\/span> <span class=\"mi\">640<\/span> <span class=\"p\">},<\/span>\r\n        <span class=\"na\">height<\/span><span class=\"p\">:<\/span> <span class=\"p\">{<\/span> <span class=\"na\">ideal<\/span><span class=\"p\">:<\/span> <span class=\"mi\">1080<\/span><span class=\"p\">,<\/span> <span class=\"na\">min<\/span><span class=\"p\">:<\/span> <span class=\"mi\">480<\/span> <span class=\"p\">},<\/span>\r\n    <span class=\"p\">};<\/span>\r\n    <span class=\"kd\">const<\/span> <span class=\"nx\">stream<\/span> <span class=\"o\">=<\/span> <span class=\"k\">await<\/span> <span class=\"nb\">navigator<\/span><span class=\"p\">.<\/span><span class=\"nx\">mediaDevices<\/span><span class=\"p\">.<\/span><span class=\"nx\">getUserMedia<\/span><span class=\"p\">({<\/span><span class=\"na\">audio<\/span><span class=\"p\">:<\/span><span class=\"kc\">false<\/span><span class=\"p\">,<\/span><span class=\"na\">video<\/span><span class=\"p\">:<\/span><span class=\"nx\">video_opt<\/span><span class=\"p\">});<\/span>\r\n    <span class=\"kd\">const<\/span> <span class=\"nx\">settings<\/span> <span class=\"o\">=<\/span> <span class=\"nx\">stream<\/span><span class=\"p\">.<\/span><span class=\"nx\">getTracks<\/span><span class=\"p\">().<\/span><span class=\"nx\">filter<\/span><span class=\"p\">(<\/span><span class=\"nx\">e<\/span> <span class=\"o\">=&gt;<\/span> <span class=\"nx\">e<\/span><span class=\"p\">.<\/span><span class=\"nx\">kind<\/span> <span class=\"o\">===<\/span> <span class=\"dl\">\"<\/span><span class=\"s2\">video<\/span><span class=\"dl\">\"<\/span><span class=\"p\">)[<\/span><span class=\"mi\">0<\/span><span class=\"p\">].<\/span><span class=\"nx\">getSettings<\/span><span class=\"p\">();<\/span>\r\n    <span class=\"nx\">console<\/span><span class=\"p\">.<\/span><span class=\"nx\">log<\/span><span class=\"p\">(<\/span><span class=\"nx\">settings<\/span><span class=\"p\">);<\/span>\r\n    <span class=\"kd\">const<\/span> <span class=\"nx\">video<\/span> <span class=\"o\">=<\/span> <span class=\"nb\">document<\/span><span class=\"p\">.<\/span><span class=\"nx\">getElementById<\/span><span class=\"p\">(<\/span><span class=\"dl\">\"<\/span><span class=\"s2\">video<\/span><span class=\"dl\">\"<\/span><span class=\"p\">);<\/span>\r\n    <span class=\"nx\">video<\/span><span class=\"p\">.<\/span><span class=\"nx\">srcObject<\/span> <span class=\"o\">=<\/span> <span class=\"nx\">stream<\/span><span class=\"p\">;<\/span>\r\n    <span class=\"nx\">video<\/span><span class=\"p\">.<\/span><span class=\"nx\">play<\/span><span class=\"p\">();<\/span>\r\n\r\n    <span class=\"c1\">\/\/ \u52d5\u753b\u306fcanvas\u30a8\u30ec\u30e1\u30f3\u30c8\u306b\u753b\u50cf\u3092\u30b3\u30d4\u30fc\u3057\u3066\u4f7f\u7528\u3059\u308b\u3002<\/span>\r\n    <span class=\"kd\">const<\/span> <span class=\"nx\">canvas<\/span> <span class=\"o\">=<\/span> <span class=\"nb\">document<\/span><span class=\"p\">.<\/span><span class=\"nx\">getElementById<\/span><span class=\"p\">(<\/span><span class=\"dl\">\"<\/span><span class=\"s2\">canvas<\/span><span class=\"dl\">\"<\/span><span class=\"p\">);<\/span>\r\n    <span class=\"nx\">canvas<\/span><span class=\"p\">.<\/span><span class=\"nx\">width<\/span> <span class=\"o\">=<\/span> <span class=\"nx\">settings<\/span><span class=\"p\">.<\/span><span class=\"nx\">width<\/span><span class=\"p\">;<\/span>\r\n    <span class=\"nx\">canvas<\/span><span class=\"p\">.<\/span><span class=\"nx\">height<\/span> <span class=\"o\">=<\/span> <span class=\"nx\">settings<\/span><span class=\"p\">.<\/span><span class=\"nx\">height<\/span><span class=\"p\">;<\/span>\r\n    <span class=\"kd\">const<\/span> <span class=\"nx\">ctx<\/span> <span class=\"o\">=<\/span> <span class=\"nx\">canvas<\/span><span class=\"p\">.<\/span><span class=\"nx\">getContext<\/span><span class=\"p\">(<\/span><span class=\"dl\">\"<\/span><span class=\"s2\">2d<\/span><span class=\"dl\">\"<\/span><span class=\"p\">);<\/span>\r\n\r\n    <span class=\"c1\">\/\/ Universe\u3068\u3044\u3046\u540d\u524d\u3067\u516c\u958b\u3055\u308c\u305fRust\u306e\u30af\u30e9\u30b9\u306e\u3088\u3046\u306a\u3082\u306e\u3092\u751f\u6210\u3059\u308b\u3002<\/span>\r\n    <span class=\"kd\">const<\/span> <span class=\"nx\">universe<\/span> <span class=\"o\">=<\/span> <span class=\"nx\">wasm<\/span><span class=\"p\">.<\/span><span class=\"nx\">Universe<\/span><span class=\"p\">.<\/span><span class=\"k\">new<\/span><span class=\"p\">(<\/span><span class=\"nx\">settings<\/span><span class=\"p\">.<\/span><span class=\"nx\">width<\/span><span class=\"p\">,<\/span> <span class=\"nx\">settings<\/span><span class=\"p\">.<\/span><span class=\"nx\">height<\/span><span class=\"p\">,<\/span><span class=\"mi\">10<\/span><span class=\"p\">,<\/span><span class=\"mi\">10<\/span><span class=\"p\">);<\/span>\r\n    <span class=\"kd\">const<\/span> <span class=\"nx\">memory<\/span> <span class=\"o\">=<\/span> <span class=\"nx\">wasm_bg<\/span><span class=\"p\">.<\/span><span class=\"nx\">memory<\/span><span class=\"p\">;<\/span>\r\n\r\n    <span class=\"c1\">\/\/ Rust\u4e0a\u306b\u4f5c\u6210\u3055\u308c\u305f\u753b\u50cf\u30c7\u30fc\u30bf\u3092Javascript\u5074\u3067\u5171\u6709\u3059\u308b\u305f\u3081\u306eUint8Array\u3092\u4f5c\u6210\u3059\u308b\u3002<\/span>\r\n    <span class=\"c1\">\/\/ \u3053\u308c\u306f\u3001JavaScript\u304b\u3089Rust\u5074\u3078\u9001\u308b\u753b\u50cf\u30c7\u30fc\u30bf\u3068\u3057\u3066\u4f7f\u7528\u3059\u308b\u3002<\/span>\r\n    <span class=\"kd\">const<\/span> <span class=\"nx\">wasm_pixels0<\/span> <span class=\"o\">=<\/span> <span class=\"k\">new<\/span> <span class=\"nb\">Uint8Array<\/span><span class=\"p\">(<\/span><span class=\"nx\">memory<\/span><span class=\"p\">.<\/span><span class=\"nx\">buffer<\/span><span class=\"p\">,<\/span> <span class=\"nx\">universe<\/span><span class=\"p\">.<\/span><span class=\"nx\">pixels0<\/span><span class=\"p\">(),<\/span>\r\n        <span class=\"nx\">settings<\/span><span class=\"p\">.<\/span><span class=\"nx\">width<\/span> <span class=\"o\">*<\/span> <span class=\"nx\">settings<\/span><span class=\"p\">.<\/span><span class=\"nx\">height<\/span> <span class=\"o\">*<\/span> <span class=\"mi\">4<\/span><span class=\"p\">);<\/span>\r\n    <span class=\"c1\">\/\/ Rust\u3067\u753b\u50cf\u51e6\u7406\u3057\u305f\u7d50\u679c\u304c\u4fdd\u5b58\u3055\u308c\u3066\u3044\u308b\u30e1\u30e2\u30ea\u3092Uint8ClampedArray\u3067\u5171\u6709\u3059\u308b\u3002<\/span>\r\n    <span class=\"kd\">const<\/span> <span class=\"nx\">wasm_pixels2<\/span> <span class=\"o\">=<\/span> <span class=\"k\">new<\/span> <span class=\"nb\">Uint8ClampedArray<\/span><span class=\"p\">(<\/span><span class=\"nx\">memory<\/span><span class=\"p\">.<\/span><span class=\"nx\">buffer<\/span><span class=\"p\">,<\/span> <span class=\"nx\">universe<\/span><span class=\"p\">.<\/span><span class=\"nx\">pixels2<\/span><span class=\"p\">(),<\/span>\r\n        <span class=\"nx\">settings<\/span><span class=\"p\">.<\/span><span class=\"nx\">width<\/span> <span class=\"o\">*<\/span> <span class=\"nx\">settings<\/span><span class=\"p\">.<\/span><span class=\"nx\">height<\/span> <span class=\"o\">*<\/span> <span class=\"mi\">4<\/span><span class=\"p\">);<\/span>\r\n    <span class=\"c1\">\/\/ Rust\u306epixels2\u306e\u30e1\u30e2\u30ea\u3092\u5171\u6709\u3057\u305fUint8ClampedArray\u306b\u3088\u308bImageData\u3092\u751f\u6210\u3059\u308b\u3002<\/span>\r\n    <span class=\"c1\">\/\/ ImageData\u306fCanvas\u30a8\u30ec\u30e1\u30f3\u30c8\u306b\u63cf\u753b\u3055\u308c\u308b\u3002<\/span>\r\n    <span class=\"kd\">const<\/span> <span class=\"nx\">img2<\/span> <span class=\"o\">=<\/span> <span class=\"k\">new<\/span> <span class=\"nx\">ImageData<\/span><span class=\"p\">(<\/span><span class=\"nx\">wasm_pixels2<\/span><span class=\"p\">,<\/span> <span class=\"nx\">settings<\/span><span class=\"p\">.<\/span><span class=\"nx\">width<\/span><span class=\"p\">);<\/span>\r\n\r\n    <span class=\"c1\">\/\/ HTML\u306e\u63cf\u753b\u30bf\u30a4\u30df\u30f3\u30b0\u3067\u547c\u3070\u308c\u308brenderLoop\u30e1\u30bd\u30c3\u30c9\u3092\u4f5c\u6210\u3059\u308b\u3002<\/span>\r\n    <span class=\"kd\">const<\/span> <span class=\"nx\">renderLoop<\/span> <span class=\"o\">=<\/span> <span class=\"p\">()<\/span> <span class=\"o\">=&gt;<\/span> <span class=\"p\">{<\/span>\r\n        <span class=\"c1\">\/\/ video\u30a8\u30ec\u30e1\u30f3\u30c8\u306e\u52d5\u753b\u3092\u30ad\u30e3\u30d7\u30c1\u30e3\u3057\u3066canvas\u306b\u63cf\u753b\u3059\u308b\u3002<\/span>\r\n        <span class=\"nx\">ctx<\/span><span class=\"p\">.<\/span><span class=\"nx\">drawImage<\/span><span class=\"p\">(<\/span><span class=\"nx\">video<\/span><span class=\"p\">,<\/span> <span class=\"mi\">0<\/span><span class=\"p\">,<\/span> <span class=\"mi\">0<\/span><span class=\"p\">,<\/span> <span class=\"nx\">settings<\/span><span class=\"p\">.<\/span><span class=\"nx\">width<\/span><span class=\"p\">,<\/span> <span class=\"nx\">settings<\/span><span class=\"p\">.<\/span><span class=\"nx\">height<\/span><span class=\"p\">);<\/span>\r\n\r\n        <span class=\"c1\">\/\/ \u3053\u3053\u304b\u3089\u51e6\u7406\u901f\u5ea6\u306e\u8a08\u6e2c\u3092\u59cb\u3081\u308b\u3002TimeChecker.js\u306b\u3064\u3044\u3066\u306f\u5f8c\u8ff0\u3059\u308b\u3002<\/span>\r\n        <span class=\"nx\">TimeChecker<\/span><span class=\"p\">.<\/span><span class=\"nx\">check<\/span><span class=\"p\">(<\/span><span class=\"mi\">0<\/span><span class=\"p\">);<\/span>\r\n\r\n        <span class=\"c1\">\/\/ canvas\u304b\u3089\u5404\u753b\u7d20\u306e\u30c7\u30fc\u30bf\u3092\u53d6\u5f97\u3059\u308b\u3002<\/span>\r\n        <span class=\"kd\">const<\/span> <span class=\"nx\">img<\/span> <span class=\"o\">=<\/span> <span class=\"nx\">ctx<\/span><span class=\"p\">.<\/span><span class=\"nx\">getImageData<\/span><span class=\"p\">(<\/span><span class=\"mi\">0<\/span><span class=\"p\">,<\/span> <span class=\"mi\">0<\/span><span class=\"p\">,<\/span> <span class=\"nx\">canvas<\/span><span class=\"p\">.<\/span><span class=\"nx\">width<\/span><span class=\"p\">,<\/span> <span class=\"nx\">canvas<\/span><span class=\"p\">.<\/span><span class=\"nx\">height<\/span><span class=\"p\">);<\/span>\r\n        <span class=\"c1\">\/\/ \u5404\u753b\u7d20\u306e\u30c7\u30fc\u30bf\u3092\u3001Rust\u306e\u30e1\u30e2\u30ea\u306b\u30b3\u30d4\u30fc\u3059\u308b\u3002<\/span>\r\n        <span class=\"nx\">wasm_pixels0<\/span><span class=\"p\">.<\/span><span class=\"kd\">set<\/span><span class=\"p\">(<\/span><span class=\"nx\">img<\/span><span class=\"p\">.<\/span><span class=\"nx\">data<\/span><span class=\"p\">);<\/span>\r\n        <span class=\"c1\">\/\/ Rust\u3067\u306e\u753b\u50cf\u51e6\u7406\u3092\u8d77\u52d5\u3059\u308b\u3002<\/span>\r\n        <span class=\"nx\">universe<\/span><span class=\"p\">.<\/span><span class=\"nx\">cells_update<\/span><span class=\"p\">(<\/span><span class=\"mf\">0.01<\/span><span class=\"p\">);<\/span>\r\n        <span class=\"c1\">\/\/ Rust\u306e\u51e6\u7406\u7d50\u679c\u306fpixels2\u306b\u4fdd\u5b58\u3055\u308c\u3001\u305d\u308c\u3092\u5171\u6709\u3057\u3066\u3044\u308bimg2\u3092\u4f7f\u3063\u3066canvas\u3092\u4e0a\u66f8\u304d\u63cf\u753b\u3059\u308b\u3002<\/span>\r\n        <span class=\"nx\">ctx<\/span><span class=\"p\">.<\/span><span class=\"nx\">putImageData<\/span><span class=\"p\">(<\/span><span class=\"nx\">img2<\/span><span class=\"p\">,<\/span> <span class=\"mi\">0<\/span><span class=\"p\">,<\/span> <span class=\"mi\">0<\/span><span class=\"p\">);<\/span>\r\n\r\n        <span class=\"c1\">\/\/ \u3053\u3053\u307e\u3067\u306e\u51e6\u7406\u3092\u8a08\u6e2c\u3059\u308b\u3002<\/span>\r\n        <span class=\"nx\">TimeChecker<\/span><span class=\"p\">.<\/span><span class=\"nx\">check<\/span><span class=\"p\">(<\/span><span class=\"mi\">1<\/span><span class=\"p\">);<\/span>\r\n\r\n        <span class=\"c1\">\/\/ \u6b21\u306eHTML\u518d\u63cf\u753b\u306e\u30bf\u30a4\u30df\u30f3\u30b0\u3067renderLoop\u304c\u547c\u3070\u308c\u308b\u3088\u3046\u306b\u767b\u9332\u3059\u308b\u3002<\/span>\r\n        <span class=\"nx\">requestAnimationFrame<\/span><span class=\"p\">(<\/span><span class=\"nx\">renderLoop<\/span><span class=\"p\">);<\/span>\r\n    <span class=\"p\">};<\/span>\r\n    <span class=\"c1\">\/\/ renderLoop\u95a2\u6570\u3092HTML\u306e\u518d\u63cf\u753b\u6642\u306b\u547c\u3073\u51fa\u3059\u3088\u3046\u306b\u767b\u9332\u3059\u308b\u3002<\/span>\r\n    <span class=\"c1\">\/\/ \u3053\u308c\u4ee5\u5f8c\u306f\u3001renderLoop\u5185\u3067\u518d\u5ea6\u3001\u81ea\u5206\u81ea\u8eab\u306erenderLoop\u95a2\u6570\u3092\u518d\u63cf\u753b\u6642\u306e<\/span>\r\n    <span class=\"c1\">\/\/ \u30cf\u30f3\u30c9\u30e9\u3068\u3057\u3066\u767b\u9332\u3057\u7d9a\u3051\u308b\u3053\u3068\u306b\u3088\u3063\u3066\u7e70\u308a\u8fd4\u3057\u51e6\u7406\u3092\u5b9f\u73fe\u3059\u308b\u3002<\/span>\r\n    <span class=\"nx\">requestAnimationFrame<\/span><span class=\"p\">(<\/span><span class=\"nx\">renderLoop<\/span><span class=\"p\">);<\/span>\r\n<span class=\"p\">})();<\/span>\r\n<\/code><\/pre>\n<h1>\u51e6\u7406\u6642\u9593\u3092\u8a08\u6e2c\u3059\u308b\u305f\u3081\u306eJavaScript(TimeChecker.js)<\/h1>\n<p>\u51e6\u7406\u901f\u5ea6\u8a08\u6e2c\u7528\u306ejs\u30d5\u30a1\u30a4\u30eb\u306e\u5168\u6587\u3001\u3053\u306e\u30d5\u30a1\u30a4\u30eb\u306f\u3001wasm-pack\u3067\u4f5c\u6210\u3055\u308c\u305f\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u306e\u300cstatic\u300d\u30d5\u30a9\u30eb\u30c0\u306bTimeChecker.js\u30d5\u30a1\u30a4\u30eb\u3068\u3057\u3066\u65b0\u898f\u4f5c\u6210\u3059\u308b\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"c1\">\/\/ \u51e6\u7406\u6642\u9593\u3092\u8a08\u6e2c\u3059\u308b\u3002<\/span>\r\n<span class=\"c1\">\/\/ TimeChecker.num\u56de\u6570\u3060\u3051\u5b9f\u65bd\u3057\u3001\u305d\u306e\u5e73\u5747\u3092\u30b3\u30f3\u30bd\u30fc\u30eb\u306b\u8868\u793a\u3059\u308b\u3002<\/span>\r\n<span class=\"kd\">const<\/span> <span class=\"nx\">TimeChecker<\/span> <span class=\"o\">=<\/span> <span class=\"p\">{<\/span>\r\n    <span class=\"na\">buffer<\/span><span class=\"p\">:<\/span> <span class=\"kc\">undefined<\/span><span class=\"p\">,<\/span>\r\n    <span class=\"na\">num<\/span><span class=\"p\">:<\/span> <span class=\"mi\">100<\/span><span class=\"p\">,<\/span>\r\n    <span class=\"na\">check<\/span><span class=\"p\">:<\/span> <span class=\"kd\">function<\/span> <span class=\"p\">(<\/span><span class=\"nx\">st<\/span><span class=\"p\">)<\/span> <span class=\"p\">{<\/span>\r\n        <span class=\"k\">if<\/span> <span class=\"p\">(<\/span><span class=\"k\">this<\/span><span class=\"p\">.<\/span><span class=\"nx\">buffer<\/span> <span class=\"o\">===<\/span> <span class=\"kc\">undefined<\/span><span class=\"p\">)<\/span> <span class=\"p\">{<\/span>\r\n            <span class=\"k\">this<\/span><span class=\"p\">.<\/span><span class=\"nx\">buffer<\/span> <span class=\"o\">=<\/span> <span class=\"nb\">Array<\/span><span class=\"p\">(<\/span><span class=\"k\">this<\/span><span class=\"p\">.<\/span><span class=\"nx\">num<\/span><span class=\"p\">).<\/span><span class=\"nx\">fill<\/span><span class=\"p\">(<\/span><span class=\"mi\">0<\/span><span class=\"p\">);<\/span>\r\n            <span class=\"k\">this<\/span><span class=\"p\">.<\/span><span class=\"nx\">buffer_index<\/span> <span class=\"o\">=<\/span> <span class=\"mi\">0<\/span><span class=\"p\">;<\/span>\r\n        <span class=\"p\">}<\/span>\r\n        <span class=\"k\">if<\/span> <span class=\"p\">(<\/span><span class=\"k\">this<\/span><span class=\"p\">.<\/span><span class=\"nx\">buffer_index<\/span> <span class=\"o\">===<\/span> <span class=\"k\">this<\/span><span class=\"p\">.<\/span><span class=\"nx\">num<\/span><span class=\"p\">)<\/span> <span class=\"p\">{<\/span>\r\n            <span class=\"nx\">console<\/span><span class=\"p\">.<\/span><span class=\"nx\">log<\/span><span class=\"p\">(<\/span><span class=\"k\">this<\/span><span class=\"p\">.<\/span><span class=\"nx\">buffer<\/span><span class=\"p\">.<\/span><span class=\"nx\">reduce<\/span><span class=\"p\">((<\/span><span class=\"nx\">a<\/span><span class=\"p\">,<\/span> <span class=\"nx\">e<\/span><span class=\"p\">)<\/span> <span class=\"o\">=&gt;<\/span> <span class=\"nx\">a<\/span> <span class=\"o\">+<\/span> <span class=\"nx\">e<\/span><span class=\"p\">)<\/span> <span class=\"o\">\/<\/span> <span class=\"k\">this<\/span><span class=\"p\">.<\/span><span class=\"nx\">num<\/span><span class=\"p\">);<\/span>\r\n            <span class=\"k\">this<\/span><span class=\"p\">.<\/span><span class=\"nx\">buffer_index<\/span> <span class=\"o\">=<\/span> <span class=\"mi\">0<\/span><span class=\"p\">;<\/span>\r\n        <span class=\"p\">}<\/span>\r\n        <span class=\"k\">if<\/span> <span class=\"p\">(<\/span><span class=\"nx\">st<\/span> <span class=\"o\">===<\/span> <span class=\"mi\">0<\/span><span class=\"p\">)<\/span> <span class=\"p\">{<\/span>\r\n            <span class=\"k\">this<\/span><span class=\"p\">.<\/span><span class=\"nx\">buffer<\/span><span class=\"p\">[<\/span><span class=\"k\">this<\/span><span class=\"p\">.<\/span><span class=\"nx\">buffer_index<\/span><span class=\"p\">]<\/span> <span class=\"o\">=<\/span> <span class=\"nb\">Date<\/span><span class=\"p\">.<\/span><span class=\"nx\">now<\/span><span class=\"p\">();<\/span>\r\n        <span class=\"p\">}<\/span> <span class=\"k\">else<\/span> <span class=\"p\">{<\/span>\r\n            <span class=\"k\">this<\/span><span class=\"p\">.<\/span><span class=\"nx\">buffer<\/span><span class=\"p\">[<\/span><span class=\"k\">this<\/span><span class=\"p\">.<\/span><span class=\"nx\">buffer_index<\/span><span class=\"p\">]<\/span> <span class=\"o\">=<\/span> <span class=\"nb\">Date<\/span><span class=\"p\">.<\/span><span class=\"nx\">now<\/span><span class=\"p\">()<\/span> <span class=\"o\">-<\/span> <span class=\"k\">this<\/span><span class=\"p\">.<\/span><span class=\"nx\">buffer<\/span><span class=\"p\">[<\/span><span class=\"k\">this<\/span><span class=\"p\">.<\/span><span class=\"nx\">buffer_index<\/span><span class=\"p\">];<\/span>\r\n            <span class=\"k\">this<\/span><span class=\"p\">.<\/span><span class=\"nx\">buffer_index<\/span> <span class=\"o\">+=<\/span> <span class=\"mi\">1<\/span><span class=\"p\">;<\/span>\r\n        <span class=\"p\">}<\/span>\r\n    <span class=\"p\">},<\/span>\r\n    <span class=\"na\">sample_function<\/span><span class=\"p\">:<\/span> <span class=\"p\">()<\/span><span class=\"o\">=&gt;<\/span><span class=\"p\">{<\/span>\r\n        <span class=\"k\">for<\/span><span class=\"p\">(<\/span><span class=\"kd\">let<\/span> <span class=\"nx\">i<\/span><span class=\"o\">=<\/span><span class=\"mi\">0<\/span><span class=\"p\">;<\/span><span class=\"nx\">i<\/span><span class=\"o\">&lt;<\/span><span class=\"mi\">200<\/span><span class=\"p\">;<\/span><span class=\"nx\">i<\/span><span class=\"o\">++<\/span><span class=\"p\">){<\/span>\r\n            <span class=\"nx\">TimeChecker<\/span><span class=\"p\">.<\/span><span class=\"nx\">check<\/span><span class=\"p\">(<\/span><span class=\"mi\">0<\/span><span class=\"p\">);<\/span>\r\n            <span class=\"p\">[...<\/span><span class=\"nb\">Array<\/span><span class=\"p\">(<\/span><span class=\"mi\">10000<\/span><span class=\"p\">).<\/span><span class=\"nx\">keys<\/span><span class=\"p\">()].<\/span><span class=\"nx\">forEach<\/span><span class=\"p\">(<\/span><span class=\"nx\">e<\/span><span class=\"o\">=&gt;<\/span><span class=\"nx\">e<\/span><span class=\"o\">*<\/span><span class=\"nx\">e<\/span><span class=\"p\">);<\/span>\r\n            <span class=\"nx\">TimeChecker<\/span><span class=\"p\">.<\/span><span class=\"nx\">check<\/span><span class=\"p\">(<\/span><span class=\"mi\">1<\/span><span class=\"p\">);<\/span>\r\n        <span class=\"p\">}<\/span>\r\n    <span class=\"p\">},<\/span>\r\n<span class=\"p\">};<\/span>\r\n<\/code><\/pre>\n<h1>WebAssembly\u306e\u30b3\u30fc\u30c9(lib.rs)<\/h1>\n<p>Rust\u306e\u30b3\u30fc\u30c9\u306f\u3001wasm-pack\u3067\u4f5c\u6210\u3055\u308c\u305f\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u306esrc\/lib.rs\u3092\u7de8\u96c6\u3059\u308b\u3002<br \/>\n\u4ee5\u4e0b\u306f\u3001\u30d7\u30ed\u30b0\u30e9\u30e0\u306e\u5168\u6587\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"k\">use<\/span> <span class=\"nn\">wasm_bindgen<\/span><span class=\"p\">::<\/span><span class=\"nn\">prelude<\/span><span class=\"p\">::<\/span><span class=\"o\">*<\/span><span class=\"p\">;<\/span>\r\n<span class=\"k\">use<\/span> <span class=\"nn\">web_sys<\/span><span class=\"p\">::<\/span><span class=\"n\">console<\/span><span class=\"p\">;<\/span>\r\n<span class=\"c\">\/\/ \u6bd4\u8f03\u95a2\u6570\u306e\u4f7f\u7528\u306e\u305f\u3081\u306b\u5b9a\u7fa9\u3059\u308b\u3002<\/span>\r\n<span class=\"k\">use<\/span> <span class=\"nn\">std<\/span><span class=\"p\">::<\/span><span class=\"n\">cmp<\/span><span class=\"p\">;<\/span>\r\n\r\n<span class=\"c\">\/\/ \u82f1\u8a9e\u3067\u66f8\u304b\u308c\u305f\u30b3\u30e1\u30f3\u30c8\u306f\u3001rust-webpack\u30c6\u30f3\u30d7\u30ec\u30fc\u30c8\u304b\u3089\u53d7\u3051\u7d99\u304c\u308c\u305f\u307e\u307e\u306e\u30b3\u30fc\u30c9<\/span>\r\n\r\n<span class=\"c\">\/\/ When the `wee_alloc` feature is enabled, this uses `wee_alloc` as the global<\/span>\r\n<span class=\"c\">\/\/ allocator.<\/span>\r\n<span class=\"c\">\/\/<\/span>\r\n<span class=\"c\">\/\/ If you don't want to use `wee_alloc`, you can safely delete this.<\/span>\r\n<span class=\"nd\">#[cfg(feature<\/span> <span class=\"nd\">=<\/span> <span class=\"s\">\"wee_alloc\"<\/span><span class=\"nd\">)]<\/span>\r\n<span class=\"nd\">#[global_allocator]<\/span>\r\n<span class=\"k\">static<\/span> <span class=\"n\">ALLOC<\/span><span class=\"p\">:<\/span> <span class=\"nn\">wee_alloc<\/span><span class=\"p\">::<\/span><span class=\"n\">WeeAlloc<\/span> <span class=\"o\">=<\/span> <span class=\"nn\">wee_alloc<\/span><span class=\"p\">::<\/span><span class=\"nn\">WeeAlloc<\/span><span class=\"p\">::<\/span><span class=\"n\">INIT<\/span><span class=\"p\">;<\/span>\r\n\r\n<span class=\"c\">\/\/ This is like the `main` function, except for JavaScript.<\/span>\r\n<span class=\"nd\">#[wasm_bindgen(start)]<\/span>\r\n<span class=\"k\">pub<\/span> <span class=\"k\">fn<\/span> <span class=\"nf\">main_js<\/span><span class=\"p\">()<\/span> <span class=\"k\">-&gt;<\/span> <span class=\"n\">Result<\/span><span class=\"o\">&lt;<\/span><span class=\"p\">(),<\/span> <span class=\"n\">JsValue<\/span><span class=\"o\">&gt;<\/span> <span class=\"p\">{<\/span>\r\n    <span class=\"c\">\/\/ This provides better error messages in debug mode.<\/span>\r\n    <span class=\"c\">\/\/ It's disabled in release mode so it doesn't bloat up the file size.<\/span>\r\n    <span class=\"nd\">#[cfg(debug_assertions)]<\/span>\r\n    <span class=\"nn\">console_error_panic_hook<\/span><span class=\"p\">::<\/span><span class=\"nf\">set_once<\/span><span class=\"p\">();<\/span>\r\n\r\n    <span class=\"c\">\/\/ Your code goes here!<\/span>\r\n    <span class=\"c\">\/\/ \u4ee5\u4e0b\u306e\u3088\u3046\u306b\u8a18\u8ff0\u3059\u308b\u3068\u30d6\u30e9\u30a6\u30b6\u306e\u30b3\u30f3\u30bd\u30fc\u30eb\u306b\u6587\u5b57\u304c\u8868\u793a\u3055\u308c\u308b\u3002<\/span>\r\n    <span class=\"c\">\/\/ \u4f8b\u3048\u3070\u6570\u5024\u3092\u51fa\u529b\u3057\u305f\u3044\u5834\u5408\u306f\u3001from_f32\u3092\u4f7f\u7528\u3059\u308b\u3002<\/span>\r\n    <span class=\"nn\">console<\/span><span class=\"p\">::<\/span><span class=\"nf\">log_1<\/span><span class=\"p\">(<\/span><span class=\"o\">&amp;<\/span><span class=\"nn\">JsValue<\/span><span class=\"p\">::<\/span><span class=\"nf\">from_str<\/span><span class=\"p\">(<\/span><span class=\"s\">\"started wasm\"<\/span><span class=\"p\">));<\/span>\r\n    <span class=\"nf\">Ok<\/span><span class=\"p\">(())<\/span>\r\n<span class=\"p\">}<\/span>\r\n\r\n<span class=\"c\">\/\/ \u753b\u50cf\u3092\u5206\u5272\u3059\u308b\u5404\u30bb\u30eb\u306e\u69cb\u9020\u4f53<\/span>\r\n<span class=\"nd\">#[derive(Default)]<\/span>\r\n<span class=\"k\">pub<\/span> <span class=\"k\">struct<\/span> <span class=\"n\">Cell<\/span> <span class=\"p\">{<\/span>\r\n    <span class=\"n\">x<\/span><span class=\"p\">:<\/span> <span class=\"nb\">u32<\/span><span class=\"p\">,<\/span>\r\n    <span class=\"n\">y<\/span><span class=\"p\">:<\/span> <span class=\"nb\">u32<\/span><span class=\"p\">,<\/span>\r\n    <span class=\"n\">w<\/span><span class=\"p\">:<\/span> <span class=\"nb\">u32<\/span><span class=\"p\">,<\/span>\r\n    <span class=\"n\">h<\/span><span class=\"p\">:<\/span> <span class=\"nb\">u32<\/span><span class=\"p\">,<\/span>\r\n    <span class=\"n\">size<\/span><span class=\"p\">:<\/span> <span class=\"nb\">u32<\/span><span class=\"p\">,<\/span>\r\n    <span class=\"n\">ave<\/span><span class=\"p\">:<\/span> <span class=\"p\">[<\/span><span class=\"nb\">f32<\/span><span class=\"p\">;<\/span><span class=\"mi\">3<\/span><span class=\"p\">],<\/span>\r\n    <span class=\"n\">prev_ave<\/span><span class=\"p\">:<\/span> <span class=\"p\">[<\/span><span class=\"nb\">f32<\/span><span class=\"p\">;<\/span><span class=\"mi\">3<\/span><span class=\"p\">],<\/span>\r\n<span class=\"p\">}<\/span>\r\n\r\n<span class=\"c\">\/\/ JavaScript\u5074\u306b\u516c\u958b\u3055\u308c\u308b\u30af\u30e9\u30b9\u306e\u3088\u3046\u306a\u3082\u306e<\/span>\r\n<span class=\"nd\">#[wasm_bindgen]<\/span>\r\n<span class=\"k\">pub<\/span> <span class=\"k\">struct<\/span> <span class=\"n\">Universe<\/span> <span class=\"p\">{<\/span>\r\n    <span class=\"n\">width<\/span><span class=\"p\">:<\/span> <span class=\"nb\">u32<\/span><span class=\"p\">,<\/span>\r\n    <span class=\"n\">height<\/span><span class=\"p\">:<\/span> <span class=\"nb\">u32<\/span><span class=\"p\">,<\/span>\r\n    <span class=\"n\">pixels0<\/span><span class=\"p\">:<\/span> <span class=\"nb\">Vec<\/span><span class=\"o\">&lt;<\/span><span class=\"nb\">u8<\/span><span class=\"o\">&gt;<\/span><span class=\"p\">,<\/span>\r\n    <span class=\"n\">pixels2<\/span><span class=\"p\">:<\/span> <span class=\"nb\">Vec<\/span><span class=\"o\">&lt;<\/span><span class=\"nb\">u8<\/span><span class=\"o\">&gt;<\/span><span class=\"p\">,<\/span>\r\n    <span class=\"n\">cells<\/span><span class=\"p\">:<\/span> <span class=\"nb\">Vec<\/span><span class=\"o\">&lt;<\/span><span class=\"n\">Cell<\/span><span class=\"o\">&gt;<\/span><span class=\"p\">,<\/span>\r\n<span class=\"p\">}<\/span>\r\n\r\n<span class=\"c\">\/\/ \u30af\u30e9\u30b9\u306e\u3088\u3046\u306a\u3082\u306e\u306e\u5b9f\u614b<\/span>\r\n<span class=\"nd\">#[wasm_bindgen]<\/span>\r\n<span class=\"k\">impl<\/span> <span class=\"n\">Universe<\/span> <span class=\"p\">{<\/span>\r\n    <span class=\"c\">\/\/ \u30af\u30e9\u30b9\u3092\u751f\u6210\u3059\u308b\u3002<\/span>\r\n    <span class=\"k\">pub<\/span> <span class=\"k\">fn<\/span> <span class=\"nf\">new<\/span><span class=\"p\">(<\/span><span class=\"n\">w<\/span><span class=\"p\">:<\/span><span class=\"nb\">u32<\/span><span class=\"p\">,<\/span><span class=\"n\">h<\/span><span class=\"p\">:<\/span><span class=\"nb\">u32<\/span><span class=\"p\">,<\/span><span class=\"n\">cell_w<\/span><span class=\"p\">:<\/span><span class=\"nb\">u32<\/span><span class=\"p\">,<\/span><span class=\"n\">cell_h<\/span><span class=\"p\">:<\/span><span class=\"nb\">u32<\/span><span class=\"p\">)<\/span> <span class=\"k\">-&gt;<\/span> <span class=\"n\">Universe<\/span> <span class=\"p\">{<\/span>\r\n        <span class=\"k\">let<\/span> <span class=\"n\">width<\/span> <span class=\"o\">=<\/span> <span class=\"n\">w<\/span><span class=\"p\">;<\/span>\r\n        <span class=\"k\">let<\/span> <span class=\"n\">height<\/span> <span class=\"o\">=<\/span> <span class=\"n\">h<\/span><span class=\"p\">;<\/span>\r\n        <span class=\"c\">\/\/ pixels0\u306f\u3001javaScript\u304b\u3089\u753b\u50cf\u30c7\u30fc\u30bf\u3092\u53d7\u3051\u53d6\u308b\u305f\u3081\u306b\u4f7f\u7528\u3059\u308b\u3002<\/span>\r\n        <span class=\"k\">let<\/span> <span class=\"n\">pixels0<\/span><span class=\"p\">:<\/span> <span class=\"nb\">Vec<\/span><span class=\"o\">&lt;<\/span><span class=\"nb\">u8<\/span><span class=\"o\">&gt;<\/span> <span class=\"o\">=<\/span> <span class=\"p\">(<\/span><span class=\"mi\">0<\/span><span class=\"o\">..<\/span><span class=\"p\">(<\/span><span class=\"n\">w<\/span><span class=\"o\">*<\/span><span class=\"n\">h<\/span><span class=\"o\">*<\/span><span class=\"mi\">4<\/span><span class=\"p\">))<\/span>\r\n            <span class=\"nf\">.map<\/span><span class=\"p\">(|<\/span><span class=\"mi\">_<\/span><span class=\"p\">|<\/span> <span class=\"p\">{<\/span><span class=\"mi\">0<\/span><span class=\"p\">})<\/span>\r\n            <span class=\"nf\">.collect<\/span><span class=\"p\">();<\/span>\r\n        <span class=\"c\">\/\/ pixels2\u306f\u3001\u51e6\u7406\u7d50\u679c\u3092\u4fdd\u5b58\u3059\u308b\u305f\u3081\u306b\u4f7f\u7528\u3059\u308b\u3002<\/span>\r\n        <span class=\"k\">let<\/span> <span class=\"k\">mut<\/span> <span class=\"n\">pixels2<\/span> <span class=\"o\">=<\/span> <span class=\"n\">pixels0<\/span><span class=\"nf\">.clone<\/span><span class=\"p\">();<\/span>\r\n        <span class=\"k\">for<\/span> <span class=\"n\">y<\/span> <span class=\"n\">in<\/span> <span class=\"mi\">0<\/span><span class=\"o\">..<\/span><span class=\"n\">h<\/span> <span class=\"p\">{<\/span>\r\n            <span class=\"k\">for<\/span> <span class=\"n\">x<\/span> <span class=\"n\">in<\/span> <span class=\"mi\">0<\/span><span class=\"o\">..<\/span><span class=\"n\">w<\/span> <span class=\"p\">{<\/span>\r\n                <span class=\"k\">let<\/span> <span class=\"n\">idx<\/span><span class=\"p\">:<\/span><span class=\"nb\">usize<\/span> <span class=\"o\">=<\/span> <span class=\"p\">((<\/span><span class=\"n\">y<\/span><span class=\"o\">*<\/span><span class=\"n\">w<\/span><span class=\"o\">+<\/span><span class=\"n\">x<\/span><span class=\"p\">)<\/span><span class=\"o\">*<\/span><span class=\"mi\">4<\/span><span class=\"p\">)<\/span> <span class=\"k\">as<\/span> <span class=\"nb\">usize<\/span><span class=\"p\">;<\/span>\r\n                <span class=\"n\">pixels2<\/span><span class=\"p\">[<\/span><span class=\"n\">idx<\/span><span class=\"o\">+<\/span><span class=\"mi\">3<\/span><span class=\"p\">]<\/span> <span class=\"o\">=<\/span> <span class=\"mi\">255<\/span><span class=\"p\">;<\/span>\r\n            <span class=\"p\">}<\/span>\r\n        <span class=\"p\">}<\/span>\r\n        <span class=\"k\">let<\/span> <span class=\"n\">cells<\/span> <span class=\"o\">=<\/span> <span class=\"nn\">Universe<\/span><span class=\"p\">::<\/span><span class=\"nf\">create_cells<\/span><span class=\"p\">(<\/span><span class=\"n\">w<\/span><span class=\"p\">,<\/span><span class=\"n\">h<\/span><span class=\"p\">,<\/span><span class=\"n\">cell_w<\/span><span class=\"p\">,<\/span><span class=\"n\">cell_h<\/span><span class=\"p\">);<\/span>\r\n\r\n        <span class=\"c\">\/\/ \u4f5c\u6210\u3055\u308c\u305f\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u3092\u623b\u3059\u3002<\/span>\r\n        <span class=\"c\">\/\/ Rust\u306f\u30bb\u30df\u30b3\u30ed\u30f3\u306f\u6587\u3092\u533a\u5207\u308b\u305f\u3081\u306b\u4f7f\u7528\u3057\u3001\u30bb\u30df\u30b3\u30ed\u30f3\u304c\u7121\u3044\u3068C\u306ereturn\u306e\u3088\u3046\u306b\u306a\u308b\u3002<\/span>\r\n        <span class=\"n\">Universe<\/span> <span class=\"p\">{<\/span>\r\n            <span class=\"n\">width<\/span><span class=\"p\">,<\/span>\r\n            <span class=\"n\">height<\/span><span class=\"p\">,<\/span>\r\n            <span class=\"n\">pixels0<\/span><span class=\"p\">,<\/span>\r\n            <span class=\"n\">pixels2<\/span><span class=\"p\">,<\/span>\r\n            <span class=\"n\">cells<\/span><span class=\"p\">,<\/span>\r\n        <span class=\"p\">}<\/span>\r\n    <span class=\"p\">}<\/span>\r\n\r\n    <span class=\"c\">\/\/ Rust\u306e\u30e1\u30e2\u30ea\u306e\u30dd\u30a4\u30f3\u30bf\u3092\u8fd4\u3059\u3002<\/span>\r\n    <span class=\"k\">pub<\/span> <span class=\"k\">fn<\/span> <span class=\"nf\">pixels0<\/span><span class=\"p\">(<\/span><span class=\"o\">&amp;<\/span><span class=\"k\">self<\/span><span class=\"p\">)<\/span> <span class=\"k\">-&gt;<\/span> <span class=\"o\">*<\/span><span class=\"k\">const<\/span> <span class=\"nb\">u8<\/span> <span class=\"p\">{<\/span>\r\n        <span class=\"k\">self<\/span><span class=\"py\">.pixels0<\/span><span class=\"nf\">.as_ptr<\/span><span class=\"p\">()<\/span>\r\n    <span class=\"p\">}<\/span>\r\n    <span class=\"k\">pub<\/span> <span class=\"k\">fn<\/span> <span class=\"nf\">pixels2<\/span><span class=\"p\">(<\/span><span class=\"o\">&amp;<\/span><span class=\"k\">self<\/span><span class=\"p\">)<\/span> <span class=\"k\">-&gt;<\/span> <span class=\"o\">*<\/span><span class=\"k\">const<\/span> <span class=\"nb\">u8<\/span> <span class=\"p\">{<\/span>\r\n        <span class=\"k\">self<\/span><span class=\"py\">.pixels2<\/span><span class=\"nf\">.as_ptr<\/span><span class=\"p\">()<\/span>\r\n    <span class=\"p\">}<\/span>\r\n\r\n    <span class=\"c\">\/\/ \u30bb\u30eb\u69cb\u9020\u4f53\u3092\u4f5c\u6210\u3059\u308b\u5185\u90e8\u95a2\u6570<\/span>\r\n    <span class=\"k\">fn<\/span> <span class=\"nf\">create_cells<\/span><span class=\"p\">(<\/span><span class=\"n\">canvas_w<\/span><span class=\"p\">:<\/span><span class=\"nb\">u32<\/span><span class=\"p\">,<\/span><span class=\"n\">canvas_h<\/span><span class=\"p\">:<\/span><span class=\"nb\">u32<\/span><span class=\"p\">,<\/span><span class=\"n\">cell_w<\/span><span class=\"p\">:<\/span><span class=\"nb\">u32<\/span><span class=\"p\">,<\/span><span class=\"n\">cell_h<\/span><span class=\"p\">:<\/span><span class=\"nb\">u32<\/span><span class=\"p\">)<\/span> <span class=\"k\">-&gt;<\/span> <span class=\"nb\">Vec<\/span><span class=\"o\">&lt;<\/span><span class=\"n\">Cell<\/span><span class=\"o\">&gt;<\/span><span class=\"p\">{<\/span>\r\n        <span class=\"k\">let<\/span> <span class=\"n\">p0<\/span><span class=\"p\">:[<\/span><span class=\"nb\">u32<\/span><span class=\"p\">;<\/span><span class=\"mi\">2<\/span><span class=\"p\">]<\/span> <span class=\"o\">=<\/span> <span class=\"p\">[<\/span>\r\n            <span class=\"p\">(((<\/span><span class=\"n\">canvas_w<\/span> <span class=\"o\">%<\/span> <span class=\"n\">cell_w<\/span><span class=\"p\">)<\/span> <span class=\"o\">\/<\/span><span class=\"mi\">2<\/span><span class=\"p\">)<\/span> <span class=\"o\">-<\/span> <span class=\"n\">cell_w<\/span><span class=\"p\">)<\/span> <span class=\"o\">%<\/span> <span class=\"n\">cell_w<\/span><span class=\"p\">,<\/span>\r\n            <span class=\"p\">(((<\/span><span class=\"n\">canvas_h<\/span> <span class=\"o\">%<\/span> <span class=\"n\">cell_h<\/span><span class=\"p\">)<\/span> <span class=\"o\">\/<\/span><span class=\"mi\">2<\/span><span class=\"p\">)<\/span> <span class=\"o\">-<\/span> <span class=\"n\">cell_h<\/span><span class=\"p\">)<\/span> <span class=\"o\">%<\/span> <span class=\"n\">cell_h<\/span><span class=\"p\">,<\/span>\r\n        <span class=\"p\">];<\/span>\r\n        <span class=\"k\">let<\/span> <span class=\"k\">mut<\/span> <span class=\"n\">cells<\/span> <span class=\"o\">=<\/span> <span class=\"nn\">Vec<\/span><span class=\"p\">::<\/span><span class=\"nf\">new<\/span><span class=\"p\">();<\/span>\r\n        <span class=\"k\">for<\/span> <span class=\"n\">y<\/span> <span class=\"nf\">in<\/span> <span class=\"p\">(<\/span><span class=\"n\">p0<\/span><span class=\"p\">[<\/span><span class=\"mi\">1<\/span><span class=\"p\">]<\/span><span class=\"o\">..<\/span><span class=\"n\">canvas_h<\/span><span class=\"p\">)<\/span><span class=\"nf\">.step_by<\/span><span class=\"p\">(<\/span><span class=\"n\">cell_h<\/span> <span class=\"k\">as<\/span> <span class=\"nb\">usize<\/span><span class=\"p\">){<\/span>\r\n            <span class=\"k\">for<\/span> <span class=\"n\">x<\/span> <span class=\"nf\">in<\/span> <span class=\"p\">(<\/span><span class=\"n\">p0<\/span><span class=\"p\">[<\/span><span class=\"mi\">0<\/span><span class=\"p\">]<\/span><span class=\"o\">..<\/span><span class=\"n\">canvas_w<\/span><span class=\"p\">)<\/span><span class=\"nf\">.step_by<\/span><span class=\"p\">(<\/span><span class=\"n\">cell_w<\/span> <span class=\"k\">as<\/span> <span class=\"nb\">usize<\/span><span class=\"p\">){<\/span>\r\n                <span class=\"k\">let<\/span> <span class=\"k\">mut<\/span> <span class=\"n\">cell<\/span> <span class=\"o\">=<\/span> <span class=\"n\">Cell<\/span><span class=\"p\">{<\/span>\r\n                    <span class=\"n\">x<\/span> <span class=\"p\">:<\/span> <span class=\"nn\">cmp<\/span><span class=\"p\">::<\/span><span class=\"nf\">max<\/span><span class=\"p\">(<\/span><span class=\"mi\">0<\/span><span class=\"p\">,<\/span><span class=\"n\">x<\/span><span class=\"p\">),<\/span>\r\n                    <span class=\"n\">y<\/span> <span class=\"p\">:<\/span> <span class=\"nn\">cmp<\/span><span class=\"p\">::<\/span><span class=\"nf\">max<\/span><span class=\"p\">(<\/span><span class=\"mi\">0<\/span><span class=\"p\">,<\/span><span class=\"n\">y<\/span><span class=\"p\">),<\/span>\r\n                    <span class=\"o\">..<\/span><span class=\"nn\">Default<\/span><span class=\"p\">::<\/span><span class=\"nf\">default<\/span><span class=\"p\">()<\/span>\r\n                <span class=\"p\">};<\/span>\r\n                <span class=\"n\">cell<\/span><span class=\"py\">.w<\/span> <span class=\"o\">=<\/span> <span class=\"nn\">cmp<\/span><span class=\"p\">::<\/span><span class=\"nf\">min<\/span><span class=\"p\">(<\/span><span class=\"n\">x<\/span><span class=\"o\">+<\/span><span class=\"n\">cell_w<\/span><span class=\"p\">,<\/span><span class=\"n\">canvas_w<\/span><span class=\"p\">)<\/span><span class=\"o\">-<\/span><span class=\"n\">cell<\/span><span class=\"py\">.x<\/span><span class=\"p\">;<\/span>\r\n                <span class=\"n\">cell<\/span><span class=\"py\">.h<\/span> <span class=\"o\">=<\/span> <span class=\"nn\">cmp<\/span><span class=\"p\">::<\/span><span class=\"nf\">min<\/span><span class=\"p\">(<\/span><span class=\"n\">y<\/span><span class=\"o\">+<\/span><span class=\"n\">cell_h<\/span><span class=\"p\">,<\/span><span class=\"n\">canvas_h<\/span><span class=\"p\">)<\/span><span class=\"o\">-<\/span><span class=\"n\">cell<\/span><span class=\"py\">.y<\/span><span class=\"p\">;<\/span>\r\n                <span class=\"n\">cell<\/span><span class=\"py\">.size<\/span> <span class=\"o\">=<\/span> <span class=\"n\">cell<\/span><span class=\"py\">.w<\/span> <span class=\"o\">*<\/span> <span class=\"n\">cell<\/span><span class=\"py\">.h<\/span><span class=\"p\">;<\/span>\r\n                <span class=\"n\">cells<\/span><span class=\"nf\">.push<\/span><span class=\"p\">(<\/span><span class=\"n\">cell<\/span><span class=\"p\">);<\/span>\r\n            <span class=\"p\">}<\/span>\r\n        <span class=\"p\">}<\/span>\r\n        <span class=\"n\">cells<\/span>\r\n    <span class=\"p\">}<\/span>\r\n    <span class=\"c\">\/\/ \u753b\u50cf\u51e6\u7406\u3092\u5b9f\u884c\u3059\u308b\u95a2\u6570\u3002<\/span>\r\n    <span class=\"c\">\/\/ \u5f15\u6570r0\u306f\u3001\u5dee\u5206\u3092\u66f4\u65b0\u3059\u308b\u5272\u5408\uff08\u5927\u304d\u3044\u307b\u3069\u753b\u7d20\u306e\u5e73\u5747\u306b\u6700\u65b0\u753b\u7d20\u306e\u60c5\u5831\u304c\u5927\u304d\u304f\u53cd\u6620\u3055\u308c\u308b\uff09<\/span>\r\n    <span class=\"k\">pub<\/span> <span class=\"k\">fn<\/span> <span class=\"nf\">cells_update<\/span><span class=\"p\">(<\/span><span class=\"o\">&amp;<\/span><span class=\"k\">mut<\/span> <span class=\"k\">self<\/span><span class=\"p\">,<\/span><span class=\"n\">r0<\/span><span class=\"p\">:<\/span><span class=\"nb\">f32<\/span><span class=\"p\">){<\/span>\r\n        <span class=\"c\">\/\/ \u51e6\u7406\u52b9\u7387\u306e\u305f\u3081\u306b\u3001\u4e88\u3081r0\u306e\u6392\u53cd\u4e8b\u8c61\u306e\u78ba\u7387r1 = (1 - r0)\u3092\u6c42\u3081\u3066\u304a\u304f\u3002<\/span>\r\n        <span class=\"k\">let<\/span> <span class=\"n\">r1<\/span> <span class=\"o\">=<\/span> <span class=\"mf\">1_f32<\/span><span class=\"o\">-<\/span><span class=\"n\">r0<\/span><span class=\"p\">;<\/span>\r\n\r\n        <span class=\"c\">\/\/ \u5404\u30bb\u30eb\u3067\u30eb\u30fc\u30d7\u3059\u308b\u3002<\/span>\r\n        <span class=\"k\">for<\/span> <span class=\"n\">i<\/span> <span class=\"n\">in<\/span> <span class=\"mi\">0<\/span><span class=\"o\">..<\/span><span class=\"k\">self<\/span><span class=\"py\">.cells<\/span><span class=\"nf\">.len<\/span><span class=\"p\">(){<\/span>\r\n            <span class=\"c\">\/\/ \u524d\u56de\u5b9f\u884c\u6642\u306e\u5e73\u5747\u5024\u3092\u30d0\u30c3\u30af\u30a2\u30c3\u30d7\u3057\u3001\u6700\u65b0\u306e\u5e73\u5747\u5024\u3092\u521d\u671f\u5316\u3059\u308b\u3002<\/span>\r\n            <span class=\"k\">for<\/span> <span class=\"n\">j<\/span> <span class=\"n\">in<\/span> <span class=\"mi\">0<\/span><span class=\"o\">..<\/span><span class=\"mi\">3<\/span> <span class=\"p\">{<\/span>\r\n                <span class=\"k\">self<\/span><span class=\"py\">.cells<\/span><span class=\"p\">[<\/span><span class=\"n\">i<\/span><span class=\"p\">]<\/span><span class=\"py\">.prev_ave<\/span><span class=\"p\">[<\/span><span class=\"n\">j<\/span><span class=\"p\">]<\/span> <span class=\"o\">=<\/span> <span class=\"k\">self<\/span><span class=\"py\">.cells<\/span><span class=\"p\">[<\/span><span class=\"n\">i<\/span><span class=\"p\">]<\/span><span class=\"py\">.ave<\/span><span class=\"p\">[<\/span><span class=\"n\">j<\/span><span class=\"p\">];<\/span>\r\n                <span class=\"k\">self<\/span><span class=\"py\">.cells<\/span><span class=\"p\">[<\/span><span class=\"n\">i<\/span><span class=\"p\">]<\/span><span class=\"py\">.ave<\/span><span class=\"p\">[<\/span><span class=\"n\">j<\/span><span class=\"p\">]<\/span> <span class=\"o\">=<\/span> <span class=\"mf\">0_f32<\/span><span class=\"p\">;<\/span>\r\n            <span class=\"p\">}<\/span>\r\n\r\n            <span class=\"c\">\/\/ \u30bb\u30eb\u5185\u306e\u3059\u3079\u3066\u306e\u753b\u7d20\u5024\u3092\u8db3\u3057\u5408\u308f\u305b\u308b\u3002<\/span>\r\n            <span class=\"k\">for<\/span> <span class=\"n\">x<\/span> <span class=\"n\">in<\/span> <span class=\"k\">self<\/span><span class=\"py\">.cells<\/span><span class=\"p\">[<\/span><span class=\"n\">i<\/span><span class=\"p\">]<\/span><span class=\"py\">.x<\/span><span class=\"o\">..<\/span><span class=\"p\">(<\/span><span class=\"k\">self<\/span><span class=\"py\">.cells<\/span><span class=\"p\">[<\/span><span class=\"n\">i<\/span><span class=\"p\">]<\/span><span class=\"py\">.x<\/span><span class=\"o\">+<\/span><span class=\"k\">self<\/span><span class=\"py\">.cells<\/span><span class=\"p\">[<\/span><span class=\"n\">i<\/span><span class=\"p\">]<\/span><span class=\"py\">.w<\/span><span class=\"p\">){<\/span>\r\n                <span class=\"k\">for<\/span> <span class=\"n\">y<\/span> <span class=\"n\">in<\/span> <span class=\"k\">self<\/span><span class=\"py\">.cells<\/span><span class=\"p\">[<\/span><span class=\"n\">i<\/span><span class=\"p\">]<\/span><span class=\"py\">.y<\/span><span class=\"o\">..<\/span><span class=\"p\">(<\/span><span class=\"k\">self<\/span><span class=\"py\">.cells<\/span><span class=\"p\">[<\/span><span class=\"n\">i<\/span><span class=\"p\">]<\/span><span class=\"py\">.y<\/span><span class=\"o\">+<\/span><span class=\"k\">self<\/span><span class=\"py\">.cells<\/span><span class=\"p\">[<\/span><span class=\"n\">i<\/span><span class=\"p\">]<\/span><span class=\"py\">.h<\/span><span class=\"p\">){<\/span>\r\n                    <span class=\"k\">let<\/span> <span class=\"n\">idx<\/span><span class=\"p\">:<\/span><span class=\"nb\">usize<\/span> <span class=\"o\">=<\/span> <span class=\"p\">((<\/span><span class=\"n\">y<\/span><span class=\"o\">*<\/span><span class=\"k\">self<\/span><span class=\"py\">.width<\/span><span class=\"o\">+<\/span><span class=\"n\">x<\/span><span class=\"p\">)<\/span><span class=\"o\">*<\/span><span class=\"mi\">4<\/span><span class=\"p\">)<\/span> <span class=\"k\">as<\/span> <span class=\"nb\">usize<\/span><span class=\"p\">;<\/span>\r\n                    <span class=\"k\">for<\/span> <span class=\"n\">j<\/span> <span class=\"n\">in<\/span> <span class=\"mi\">0<\/span><span class=\"o\">..<\/span><span class=\"mi\">3<\/span> <span class=\"p\">{<\/span>\r\n                        <span class=\"k\">self<\/span><span class=\"py\">.cells<\/span><span class=\"p\">[<\/span><span class=\"n\">i<\/span><span class=\"p\">]<\/span><span class=\"py\">.ave<\/span><span class=\"p\">[<\/span><span class=\"n\">j<\/span><span class=\"p\">]<\/span> <span class=\"o\">+=<\/span> <span class=\"k\">self<\/span><span class=\"py\">.pixels0<\/span><span class=\"p\">[<\/span><span class=\"n\">idx<\/span><span class=\"o\">+<\/span><span class=\"n\">j<\/span><span class=\"p\">]<\/span> <span class=\"k\">as<\/span> <span class=\"nb\">f32<\/span><span class=\"p\">;<\/span>\r\n                    <span class=\"p\">}<\/span>\r\n                <span class=\"p\">}<\/span>\r\n            <span class=\"p\">}<\/span>\r\n            <span class=\"c\">\/\/ \u5408\u8a08\u306b\u306a\u3063\u3066\u3044\u308b\u753b\u7d20\u5024\u3092\u753b\u7d20\u6570\u3067\u5272\u3063\u3066\u3001\u65b0\u3057\u3044\u5e73\u5747\u5024\u3092\u524d\u306e\u5e73\u5747\u5024\u304b\u3089\u306e\u6307\u5b9a\u3055\u308c\u305f\u5272\u5408\u3067<\/span>\r\n            <span class=\"c\">\/\/ \u6df7\u5408\u3057\u3066\u65b0\u3057\u3044\u5e73\u5747\u5024\u3092\u6c42\u3081\u308b\u3002<\/span>\r\n            <span class=\"k\">for<\/span> <span class=\"n\">j<\/span> <span class=\"n\">in<\/span> <span class=\"mi\">0<\/span><span class=\"o\">..<\/span><span class=\"mi\">3<\/span> <span class=\"p\">{<\/span>\r\n                <span class=\"k\">self<\/span><span class=\"py\">.cells<\/span><span class=\"p\">[<\/span><span class=\"n\">i<\/span><span class=\"p\">]<\/span><span class=\"py\">.ave<\/span><span class=\"p\">[<\/span><span class=\"n\">j<\/span><span class=\"p\">]<\/span> <span class=\"o\">=<\/span> <span class=\"n\">r1<\/span><span class=\"o\">*<\/span><span class=\"k\">self<\/span><span class=\"py\">.cells<\/span><span class=\"p\">[<\/span><span class=\"n\">i<\/span><span class=\"p\">]<\/span><span class=\"py\">.prev_ave<\/span><span class=\"p\">[<\/span><span class=\"n\">j<\/span><span class=\"p\">]<\/span> <span class=\"o\">+<\/span> <span class=\"n\">r0<\/span><span class=\"o\">*<\/span><span class=\"k\">self<\/span><span class=\"py\">.cells<\/span><span class=\"p\">[<\/span><span class=\"n\">i<\/span><span class=\"p\">]<\/span><span class=\"py\">.ave<\/span><span class=\"p\">[<\/span><span class=\"n\">j<\/span><span class=\"p\">]<\/span> \r\n                    <span class=\"o\">\/<\/span> <span class=\"p\">(<\/span><span class=\"k\">self<\/span><span class=\"py\">.cells<\/span><span class=\"p\">[<\/span><span class=\"n\">i<\/span><span class=\"p\">]<\/span><span class=\"py\">.size<\/span> <span class=\"k\">as<\/span> <span class=\"nb\">f32<\/span><span class=\"p\">);<\/span>\r\n            <span class=\"p\">}<\/span>\r\n\r\n            <span class=\"c\">\/\/ \u5e73\u5747\u5316\u3057\u305f\u753b\u7d20\u5024\u3067\u30bb\u30eb\u5185\u306e\u3059\u3079\u3066\u306e\u753b\u7d20\u3092\u4e0a\u66f8\u304d\u3059\u308b\u3002<\/span>\r\n            <span class=\"c\">\/\/ \u305f\u3060\u3057\u3053\u306e\u51e6\u7406\u306e\u90e8\u5206\u306f\u3001JavaScript\u3092\u51e6\u7406\u901f\u5ea6\u3092\u6bd4\u8f03\u3059\u308b\u305f\u3081\u306b\u3001<\/span>\r\n            <span class=\"c\">\/\/ \u51e6\u7406\u901f\u5ea6\u306e\u8a08\u6e2c\u6642\u306f\u3001\u3053\u306e\u90e8\u5206\u306f\u30b3\u30e1\u30f3\u30c8\u30a2\u30a6\u30c8\u3057\u3066\u5b9f\u884c\u3057\u305f\u3002<\/span>\r\n            <span class=\"k\">for<\/span> <span class=\"n\">x<\/span> <span class=\"n\">in<\/span> <span class=\"k\">self<\/span><span class=\"py\">.cells<\/span><span class=\"p\">[<\/span><span class=\"n\">i<\/span><span class=\"p\">]<\/span><span class=\"py\">.x<\/span><span class=\"o\">..<\/span><span class=\"p\">(<\/span><span class=\"k\">self<\/span><span class=\"py\">.cells<\/span><span class=\"p\">[<\/span><span class=\"n\">i<\/span><span class=\"p\">]<\/span><span class=\"py\">.x<\/span><span class=\"o\">+<\/span><span class=\"k\">self<\/span><span class=\"py\">.cells<\/span><span class=\"p\">[<\/span><span class=\"n\">i<\/span><span class=\"p\">]<\/span><span class=\"py\">.w<\/span><span class=\"p\">){<\/span>\r\n                <span class=\"k\">for<\/span> <span class=\"n\">y<\/span> <span class=\"n\">in<\/span> <span class=\"k\">self<\/span><span class=\"py\">.cells<\/span><span class=\"p\">[<\/span><span class=\"n\">i<\/span><span class=\"p\">]<\/span><span class=\"py\">.y<\/span><span class=\"o\">..<\/span><span class=\"p\">(<\/span><span class=\"k\">self<\/span><span class=\"py\">.cells<\/span><span class=\"p\">[<\/span><span class=\"n\">i<\/span><span class=\"p\">]<\/span><span class=\"py\">.y<\/span><span class=\"o\">+<\/span><span class=\"k\">self<\/span><span class=\"py\">.cells<\/span><span class=\"p\">[<\/span><span class=\"n\">i<\/span><span class=\"p\">]<\/span><span class=\"py\">.h<\/span><span class=\"p\">){<\/span>\r\n                    <span class=\"k\">let<\/span> <span class=\"n\">idx<\/span><span class=\"p\">:<\/span><span class=\"nb\">usize<\/span> <span class=\"o\">=<\/span> <span class=\"p\">((<\/span><span class=\"n\">y<\/span><span class=\"o\">*<\/span><span class=\"k\">self<\/span><span class=\"py\">.width<\/span><span class=\"o\">+<\/span><span class=\"n\">x<\/span><span class=\"p\">)<\/span><span class=\"o\">*<\/span><span class=\"mi\">4<\/span><span class=\"p\">)<\/span> <span class=\"k\">as<\/span> <span class=\"nb\">usize<\/span><span class=\"p\">;<\/span>\r\n                    <span class=\"k\">for<\/span> <span class=\"n\">j<\/span> <span class=\"n\">in<\/span> <span class=\"mi\">0<\/span><span class=\"o\">..<\/span><span class=\"mi\">3<\/span> <span class=\"p\">{<\/span>\r\n                        <span class=\"k\">self<\/span><span class=\"py\">.pixels2<\/span><span class=\"p\">[<\/span><span class=\"n\">idx<\/span><span class=\"o\">+<\/span><span class=\"n\">j<\/span><span class=\"p\">]<\/span> <span class=\"o\">=<\/span> <span class=\"k\">self<\/span><span class=\"py\">.cells<\/span><span class=\"p\">[<\/span><span class=\"n\">i<\/span><span class=\"p\">]<\/span><span class=\"py\">.ave<\/span><span class=\"p\">[<\/span><span class=\"n\">j<\/span><span class=\"p\">]<\/span> <span class=\"k\">as<\/span> <span class=\"nb\">u8<\/span><span class=\"p\">;<\/span>\r\n                    <span class=\"p\">}<\/span>\r\n                <span class=\"p\">}<\/span>\r\n            <span class=\"p\">}<\/span>\r\n        <span class=\"p\">}<\/span>\r\n    <span class=\"p\">}<\/span>\r\n<span class=\"p\">}<\/span>\r\n<\/code><\/pre>\n<h1>WebAssembly\u306e\u958b\u767a\u74b0\u5883\u69cb\u7bc9<\/h1>\n<p>Rust\u306e\u30c1\u30e5\u30fc\u30c8\u30ea\u30a2\u30eb\u306e\u300c4.1.Setup\u300d, \u300c4.2. Hello, World!\u300d\u306b\u5f93\u3044\u3001\u958b\u767a\u74b0\u5883\u3092\u69cb\u7bc9\u3059\u308b\u3002\u3053\u3053\u3067\u306f\u3001\u30a8\u30e9\u30fc\u304c\u767a\u751f\u3057\u305f\u5834\u5408\u306e\u5bfe\u51e6\u65b9\u6cd5\u3092\u8a18\u8ff0\u3059\u308b\u3002<\/p>\n<p>cargo install cargo-generate\u3067link.exe\u306e1181\u30a8\u30e9\u30fc\u7b49<\/p>\n<p>Build Tools for Visual Studio 2019\u3092\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3059\u308b\u3002Build Tools\u306f\u30012021.09.16\u73fe\u5728\u3067\u3001\u516c\u5f0f\u30b5\u30a4\u30c8\u306e\u753b\u9762\u4e0b\u306b\u3042\u308b\u300cVisual Studio 2019\u306e\u30c4\u30fc\u30eb\u300d\u300cBuild Tools for Visual Studio 2019\u300d\u304b\u3089\u30c0\u30a6\u30f3\u30ed\u30fc\u30c9\u3067\u304d\u308b\u3002<br \/>\n\u30b9\u30bf\u30fc\u30c8\u30e1\u30cb\u30e5\u30fc\u304b\u3089\u300cDeveloper Command Prompt for VS 2019\u300d\u3092\u8d77\u52d5\u3057\u3066\u30b3\u30de\u30f3\u30c9\u3092\u5b9f\u884c\u3057\u76f4\u3059\u3002<\/p>\n<p>npm init wasm-app www\u3067errno: -4058, code ENOENT, syscall spawn git, path git<\/p>\n<p>git for windows\u304b\u3089git\u3092\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3059\u308b\u3002<\/p>\n<p>\u300c4.4. Implementing Life\u300d\u307e\u3067\u5b9f\u65bd\u3059\u308b\u3068\u3001WebAssembly\u306b\u3088\u308bLife Game\u304c\u30d6\u30e9\u30a6\u30b6\u4e0a\u3067\u5b9f\u884c\u3055\u308c\u308b\u3002<\/p>\n<h3>\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u306ewebpack\u5316<\/h3>\n<p>Rust\u30c1\u30e5\u30fc\u30c8\u30ea\u30a2\u30eb\u3067\u4f5c\u6210\u3057\u305fWebAssembly\u306f\u3001node.js\u3092\u30b5\u30fc\u30d0\u3068\u3057\u305fnode module\u3068\u3057\u3066\u4f5c\u6210\u3055\u308c\u3066\u3044\u308b\u3002\u3053\u3053\u3067\u306f\u3001Apache\u306a\u3069\u306e\u4ed6\u306eWeb\u30b5\u30fc\u30d0\u3067\u5b9f\u884c\u3067\u304d\u308b\u3088\u3046\u306bwebpack\u5316\u3059\u308b\u65b9\u6cd5\u306b\u3064\u3044\u3066\u793a\u3059\u3002<\/p>\n<p>webpack5\u3068\u306f\u3001HTML,CSS,JavaScript\u306a\u3069\u306e\u8907\u6570\u306e\u30d5\u30a1\u30a4\u30eb\u30921\u3064\u306b\u307e\u3068\u3081\u3066\u304f\u308c\u308b\u3082\u306e\u3067\u3001node.js\u306e\u30d1\u30c3\u30b1\u30fc\u30b8\uff08\u6a5f\u80fd\uff09\u3067\u3042\u308b\u3002<\/p>\n<p>\u3053\u306e\u8a18\u4e8b\u5185\u3067\u306f\u3001wasm-pack\u3092\u4f7f\u7528\u3057\u3066webpack\u5316\u3055\u308c\u305f\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u3092\u4f5c\u6210\u3059\u308b\u3002<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">wasm-pack\u3092\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3057\u3066\u3044\u306a\u3044\u5834\u5408\u3001wasm-pack-init.exe \u3053\u3053\u304b\u3089\u30c0\u30a6\u30f3\u30ed\u30fc\u30c9\u3067wasm-pack\u306e\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3059\u308b\u3002<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">\u4ee5\u4e0b\u306f\u3001\u57fa\u672c\u7684\u306b\u306fwasm-webpack\u306e\u30c1\u30e5\u30fc\u30c8\u30ea\u30a2\u30eb5.1.2. Using your library\u306b\u5f93\u3063\u3066\u5b9f\u884c\u3059\u308b\u3002<\/ul>\n<\/li>\n<\/ul>\n<p>npm init rust-webpack your-package-name \u306b\u3088\u3063\u3066\u3001\u4e0a\u8a18\u306e\u30c1\u30e5\u30fc\u30c8\u30ea\u30a2\u30eb\u3068\u306f\u5225\u306e\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u3092\u4f5c\u6210\u3059\u308b\u3002<\/p>\n<p>\u30b3\u30de\u30f3\u30c9\u5b9f\u884c\u3057\u305f\u30d5\u30a9\u30eb\u30c0\u306b\u3001your-package-name\u306e\u30d5\u30a9\u30eb\u30c0\u304c\u4f5c\u6210\u3055\u308c\u308b\u3002<br \/>\n2021.09.16\u6642\u70b9\u3067\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u30d5\u30a9\u30eb\u30c0\u5185\u306b\u4f5c\u6210\u3055\u308c\u308b\u30d5\u30a1\u30a4\u30eb\u306e\u5834\u6240\u304c\u3001\u30c1\u30e5\u30fc\u30c8\u30ea\u30a2\u30eb\u3068\u4ee5\u4e0b\u306e\u3088\u3046\u306b\u9055\u3063\u3066\u3044\u308b\u3002<\/p>\n<p>index.html -&gt; static\/index.html<br \/>\ncrate\/src\/lib.rs -&gt; src\/lib.rs<\/p>\n<p>static\/index.html, src\/lib.rs, js\/index.js\u30d5\u30a1\u30a4\u30eb\u3092\u3001Rust\u30c1\u30e5\u30fc\u30c8\u30ea\u30a2\u30eb\u306e\u300c4.4. Implementing Life\u300d\u306e\u72b6\u614b\u306b\u66f8\u304d\u63db\u3048\u308b\u3002<br \/>\njs\/index.js\u306b\u4ee5\u4e0b\u306e\u30b3\u30fc\u30c9\u3092\u8ffd\u52a0\u3059\u308b\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"p\">(<\/span><span class=\"k\">async<\/span> <span class=\"p\">()<\/span><span class=\"o\">=&gt;<\/span><span class=\"p\">{<\/span>\r\n    <span class=\"kd\">let<\/span> <span class=\"nx\">wasm<\/span> <span class=\"o\">=<\/span> <span class=\"k\">await<\/span> <span class=\"k\">import<\/span><span class=\"p\">(<\/span><span class=\"dl\">\"<\/span><span class=\"s2\">..\/pkg\/index.js<\/span><span class=\"dl\">\"<\/span><span class=\"p\">).<\/span><span class=\"k\">catch<\/span><span class=\"p\">(<\/span><span class=\"nx\">console<\/span><span class=\"p\">.<\/span><span class=\"nx\">error<\/span><span class=\"p\">);<\/span>\r\n    <span class=\"kd\">let<\/span> <span class=\"nx\">wasm_bg<\/span> <span class=\"o\">=<\/span> <span class=\"k\">await<\/span> <span class=\"k\">import<\/span><span class=\"p\">(<\/span><span class=\"dl\">\"<\/span><span class=\"s2\">..\/pkg\/index_bg.wasm<\/span><span class=\"dl\">\"<\/span><span class=\"p\">).<\/span><span class=\"k\">catch<\/span><span class=\"p\">(<\/span><span class=\"nx\">console<\/span><span class=\"p\">.<\/span><span class=\"nx\">error<\/span><span class=\"p\">);<\/span>\r\n\r\n    <span class=\"c1\">\/\/ here is sample codes...<\/span>\r\n    <span class=\"c1\">\/\/ const ptr = wasm.published_get_pointer_function();<\/span>\r\n    <span class=\"c1\">\/\/ const pixels = new Uint8Array(wasm_bg.memory.buffer, ptr, 1920 * 1080 * 4);<\/span>\r\n<span class=\"p\">})();<\/span>\r\n<\/code><\/pre>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u306e\u30d5\u30a9\u30eb\u30c0\u3067npm run build\u3092\u5b9f\u884c\u3059\u308b\u3002<\/ul>\n<\/li>\n<\/ul>\n<p>dist\u30d5\u30a9\u30eb\u30c0\u304c\u4f5c\u6210\u3055\u308c\u308b\u3002<\/p>\n<p>dist\u30d5\u30a9\u30eb\u30c0\u3092Web\u3068\u3057\u3066\u516c\u958b\u3059\u308b\u3002<\/p>\n<p>Apache\u30b5\u30fc\u30d0\u3067dist\u30d5\u30a9\u30eb\u30c0\u3092\u516c\u958b\u3057\u3066\u30a8\u30e9\u30fc\u306b\u306a\u308b\u5834\u5408\u3001\u4ee5\u4e0b\u306eMIME\u30bf\u30a4\u30d7\u306e\u8a2d\u5b9a\u3092\u884c\u3046\u3002<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">vi \/etc\/mime.types<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">\u6700\u5f8c\u306e\u884c\u306b\u3001application\/wasm wasm\u3092\u8ffd\u52a0\u3059\u308b\u3002<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">sudo service httpd restart \u7b49\u3067apache\u3092\u518d\u8d77\u52d5\u3059\u308b\u3002<\/ul>\n<div>\n<p>https:\/\/webassembly.org\/\u00a0\u21a9<\/p>\n<p>https:\/\/blog.unity.com\/ja\/technology\/webassembly-is-here\u00a0\u21a9<\/p>\n<p>https:\/\/www.rust-lang.org\/ja\u00a0\u21a9<\/p>\n<p>https:\/\/www.infoq.com\/news\/2012\/08\/Interview-Rust\/\u00a0\u21a9<\/p>\n<p>https:\/\/webpack.js.org\/\u00a0\u21a9<\/p>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>\u6982\u8981 \u30d6\u30e9\u30a6\u30b6\u4e0a\u3067\u52d5\u753b\u3092\u30ea\u30a2\u30eb\u30bf\u30a4\u30e0\u306b\u753b\u50cf\u51e6\u7406\u3059\u308b\u3002 &nbsp; Rust\u306b\u3088\u3063\u3066\u4f5c\u6210\u3057\u305fWebAssemb [&hellip;]<\/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-45635","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v21.5 (Yoast SEO v21.5) - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>- 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\/45635-2\/\" \/>\n<meta property=\"og:locale\" content=\"zh_CN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:description\" content=\"\u6982\u8981 \u30d6\u30e9\u30a6\u30b6\u4e0a\u3067\u52d5\u753b\u3092\u30ea\u30a2\u30eb\u30bf\u30a4\u30e0\u306b\u753b\u50cf\u51e6\u7406\u3059\u308b\u3002 &nbsp; 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