Simplify index wrapper, namespacing.
Experiment with function exports. Not quite working.
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5 changed files with 71 additions and 95 deletions
13
config.nims
13
config.nims
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@ -23,12 +23,13 @@ when defined( emscripten ):
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--panics:on
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--exceptions:goto
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--define:noSignalHandler
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--passL:"-Oz" # Production build
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--passL:"-Oz" # Production bu ld
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# --passL:"-O0 -gDebug -gsource-map" # Debug build
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# --passL:"-s EXPORT_NAME=Test1Module"
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# --passL:"-s MODULARIZE=1"
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--passL:"-s EXPORT_ES6"
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--passL:"-s EXPORT_NAME=NimTest"
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--passL:"-s ASYNCIFY" # async support
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# --passL:"-s JSPI" # async support
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--passL:"-o build/index.html"
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--passL:"--shell-file minshell.html"
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# --passL:"-s EXPORT_ALL=1" # make all public methods available to JS
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# --passL:"-s JSPI" # async support (new)
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# --passL:"-s ALLOW_MEMORY_GROWTH=1"
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--passL:"-o build/nimtest.js"
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41
index.html
Normal file
41
index.html
Normal file
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@ -0,0 +1,41 @@
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<!doctype html>
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<html lang="EN-us">
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<head>
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<meta charset="utf-8">
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<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
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<title>raylib web game</title>
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<meta name="title" content="raylib web game">
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<meta name="description" content="New raylib web videogame, developed using raylib videogames library">
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<meta name="keywords" content="raylib, programming, examples, html5, C, C++, library, learn, games, videogames">
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<meta name="viewport" content="width=device-width">
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<style>
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body { margin: 0px; overflow: hidden; background-color: white; }
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canvas.emscripten { border: 0px none; background-color: white; }
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</style>
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</head>
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<body>
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<canvas class="emscripten" id="canvas" oncontextmenu="event.preventDefault()" tabindex="-1"></canvas>
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<script type="module">
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import NimTest from './nimtest.js'
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NimTest({
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print: (function( text ) {
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if ( text === undefined ) return
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console.log( text )
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})(),
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canvas: (function() {
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return document.getElementById('canvas');
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})()
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}).then((nimtest) => {
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console.log( "Loaded WASM!" )
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// nimtest._nativeGreet()
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})
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</script>
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</body>
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</html>
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@ -1,85 +0,0 @@
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<!doctype html>
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<html lang="EN-us">
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<head>
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<meta charset="utf-8">
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<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
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<title>raylib web game</title>
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<meta name="title" content="raylib web game">
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<meta name="description" content="New raylib web videogame, developed using raylib videogames library">
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<meta name="keywords" content="raylib, programming, examples, html5, C, C++, library, learn, games, videogames">
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<meta name="viewport" content="width=device-width">
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<!-- Open Graph metatags for sharing -->
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<meta property="og:type" content="website" />
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<meta property="og:title" content="raylib web game">
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<meta property="og:image:type" content="image/png">
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<meta property="og:image" content="https://www.raylib.com/common/raylib_logo.png">
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<meta property="og:image:alt" content="New raylib web videogame, developed using raylib videogames library" />
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<meta property="og:site_name" content="raylib - example">
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<meta property="og:url" content="https://www.raylib.com/games.html">
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<meta property="og:description" content="New raylib web videogame, developed using raylib videogames library">
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<!-- Twitter metatags for sharing -->
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<meta name="twitter:card" content="summary_large_image">
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<meta name="twitter:site" content="@raysan5">
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<meta name="twitter:title" content="raylib web game">
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<meta name="twitter:image" content="https://www.raylib.com/common/raylib_logo.png">
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<meta name="twitter:image:alt" content="New raylib web videogame, developed using raylib videogames library">
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<meta name="twitter:url" content="https://www.raylib.com/games.html">
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<meta name="twitter:description" content="New raylib web videogame, developed using raylib videogames library">
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<!-- Favicon -->
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<link rel="shortcut icon" href="https://www.raylib.com/favicon.ico">
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<style>
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body { margin: 0px; overflow: hidden; background-color: black; }
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canvas.emscripten { border: 0px none; background-color: black; }
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</style>
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<script type='text/javascript' src="https://cdn.jsdelivr.net/gh/eligrey/FileSaver.js/dist/FileSaver.min.js"> </script>
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<script type='text/javascript'>
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function saveFileFromMEMFSToDisk(memoryFSname, localFSname) // This can be called by C/C++ code
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{
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var isSafari = false; // Not supported, navigator.userAgent access is being restricted
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//var isSafari = /^((?!chrome|android).)*safari/i.test(navigator.userAgent);
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var data = FS.readFile(memoryFSname);
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var blob;
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if (isSafari) blob = new Blob([data.buffer], { type: "application/octet-stream" });
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else blob = new Blob([data.buffer], { type: "application/octet-binary" });
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// NOTE: SaveAsDialog is a browser setting. For example, in Google Chrome,
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// in Settings/Advanced/Downloads section you have a setting:
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// 'Ask where to save each file before downloading' - which you can set true/false.
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// If you enable this setting it would always ask you and bring the SaveAsDialog
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saveAs(blob, localFSname);
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}
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</script>
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</head>
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<body>
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<canvas class=emscripten id=canvas oncontextmenu=event.preventDefault() tabindex=-1></canvas>
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<p id="output" />
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<script>
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var Module = {
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print: (function() {
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var element = document.getElementById('output');
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if (element) element.value = ''; // clear browser cache
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return function(text) {
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if (arguments.length > 1) text = Array.prototype.slice.call(arguments).join(' ');
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console.log(text);
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if (element) {
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element.value += text + "\n";
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element.scrollTop = element.scrollHeight; // focus on bottom
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}
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};
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})(),
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canvas: (function() {
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var canvas = document.getElementById('canvas');
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return canvas;
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})()
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};
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</script>
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{{{ SCRIPT }}}
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</body>
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</html>
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@ -14,7 +14,10 @@ task make, "Native build":
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exec "mkdir -p build && nim c --outdir:build -d:release --opt:speed src/nim_wasm_test.nim"
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task makeweb, "Emscripten build":
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exec "mkdir -p build && nim c -d:emscripten -d:release src/nim_wasm_test.nim"
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exec """
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mkdir -p build && cp index.html build/
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nim c -d:emscripten -d:release src/nim_wasm_test.nim
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"""
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task runweb, "Run a local webserver for the wasm build":
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exec "nimhttpd -H:'Cross-Origin-Opener-Policy: same-origin' -H:'Cross-Origin-Embedder-Policy: require-corp' build/"
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@ -1,6 +1,8 @@
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# vim: set et sta sw=4 ts=4 :
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import std/os
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import
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std/os,
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std/strformat
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import raylib
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# Emscripten specific imports
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@ -15,23 +17,37 @@ var camera = Camera(
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projection: Perspective # Defines projection type, see CameraProjection
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)
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# This only works with:
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# --passL:"-s EXPORT_FUNCTIONS=_nativeGreet", but it breaks raylib loading.
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# hmmmmm. EXPORT_ALL=1 is also a no go.
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# Maybe it won't be necessary with raylib/opengl input
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#
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#[ proc nativeGreet*(): int {.exportc.} =
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echo "Oh jeez, hello from native nim!"
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return 0 ]#
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proc mainLoop() {.cdecl.} =
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defer: closeWindow()
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initWindow( 800, 600, "raylib nim playground" )
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var count = 0
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while not windowShouldClose():
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beginDrawing();
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clearBackground( RAYWHITE );
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clearBackground( WHITE );
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beginMode3D( camera );
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drawGrid( 10, 1.0f );
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endMode3D();
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var col = if isCursorOnScreen(): BLUE else: GRAY
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drawText( "OH SNAP IT'S WORKING", 10, 10, 20, col );
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drawText( "OH SNAP IT'S WORKING\n{count}".fmt, 10, 10, 20, col );
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endDrawing();
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count = count + 1
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if defined( emscripten ):
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emscripten_sleep 10
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echo "wasm: hi"
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