{"id":33692,"date":"2024-11-25T13:57:05","date_gmt":"2024-11-25T05:57:05","guid":{"rendered":"https:\/\/fwq.ai\/blog\/33692\/"},"modified":"2024-11-25T13:57:05","modified_gmt":"2024-11-25T05:57:05","slug":"%e5%ad%a6%e4%b9%a0%e5%a6%82%e4%bd%95%e7%94%a8pixi-js%e5%bc%80%e5%8f%91%e5%be%ae%e4%bf%a1%e5%b0%8f%e6%b8%b8%e6%88%8f","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/33692\/","title":{"rendered":"\u5b66\u4e60\u5982\u4f55\u7528pixi.js\u5f00\u53d1\u5fae\u4fe1\u5c0f\u6e38\u620f"},"content":{"rendered":"<h2> \u680f\u76ee\u4ecb\u7ecd\u5982\u4f55\u7528pixi.js\u5f00\u53d1\u5fae\u4fe1\u5c0f\u6e38\u620f\u3002<\/h2>\n<p><img decoding=\"async\" src=\"https:\/\/img.php.cn\/upload\/article\/000\/000\/052\/5f9a8d823e32b243.jpg\" class=\"aligncenter\" title=\"\u5b66\u4e60\u5982\u4f55\u7528pixi.js\u5f00\u53d1\u5fae\u4fe1\u5c0f\u6e38\u620f\u63d2\u56fe\" alt=\"\u5b66\u4e60\u5982\u4f55\u7528pixi.js\u5f00\u53d1\u5fae\u4fe1\u5c0f\u6e38\u620f\u63d2\u56fe\" \/><\/p>\n<h2>1.\u4f7f\u7528PixiJS\u6e32\u67d3\u5f15\u64ce<\/h2>\n<p>\u5fae\u4fe1\u5c0f\u6e38\u620f\u662f\u4e00\u4e2a\u4e0d\u540c\u4e8e\u6d4f\u89c8\u5668\u7684 JavaScript \u8fd0\u884c\u73af\u5883\uff0c\u6ca1\u6709 BOM \u548c DOM API\u3002\u7136\u800cpixi.js\u662f\u7528 JavaScript \u7ed3\u5408\u5176\u4ed6 HTML5 \u6280\u672f\u6765\u663e\u793a\u5a92\u4f53\uff0c\u521b\u5efa\u52a8\u753b\u6216\u7ba1\u7406\u4ea4\u4e92\u5f0f\u56fe\u50cf\u3002\u662f\u4f9d\u8d56\u6d4f\u89c8\u5668\u63d0\u4f9b\u7684 BOM \u548c DOM API \u7684\u3002\u6240\u4ee5\u5982\u679c\u8981\u5728\u5fae\u4fe1\u5c0f\u6e38\u620f\u4e2d\u4f7f\u7528pixi.js\uff0c\u9700\u8981\u5bf9\u5f15\u64ce\u8fdb\u884c\u6539\u9020\u3002<\/p>\n<p>\u4e0d\u8fc7\u5c0f\u6e38\u620f\u63d0\u4f9b\u4e86\u5bf9\u5927\u90e8\u5206 Canvas 2d \u548c WebGL 1.0 \u7279\u6027\u7684\u652f\u6301\uff0c\u652f\u6301\u60c5\u51b5\u53c2\u89c1 RenderingContext\uff0cpixi.js\u5b83\u80fd\u81ea\u52a8\u4fa6\u6d4b\u4f7f\u7528WebGL\u8fd8\u662fCanvas\u6765\u521b\u5efa\u56fe\u5f62\u3002<\/p>\n<p>\u65e0\u8bba\u662f\u600e\u6837\u7684\u5f15\u64ce\uff0c\u6700\u7ec8\u5728\u6e38\u620f\u8fd0\u884c\u65f6\u6240\u505a\u7684\u5927\u90e8\u5206\u4e8b\u60c5\u90fd\u662f <strong>\u968f\u7740\u7528\u6237\u7684\u4ea4\u4e92\u66f4\u65b0\u753b\u9762\u548c\u64ad\u653e\u58f0\u97f3<\/strong>\u3002\u5c0f\u6e38\u620f\u7684\u5f00\u53d1\u8bed\u8a00\u662f JavaScript\uff0c\u90a3\u4e48\u5728\u5f15\u64ce\u7684\u5e95\u5c42\u5c31\u9700\u8981\u901a\u8fc7 JavaScript \u8c03\u7528\u7ed8\u5236 API \u548c\u97f3\u9891 API\u3002<\/p>\n<p>\u4e00\u6bb5 JavaScript \u4ee3\u7801\u5728\u8fd0\u884c\u65f6\u53ef\u4ee5\u8c03\u7528\u7684 API \u662f\u4f9d\u8d56\u4e8e \u5bbf\u4e3b\u73af\u5883 \u7684\u3002\u6211\u4eec\u6700\u5e38\u7528\u7684 console.log \u751a\u81f3\u90fd\u4e0d\u662f JavaScript \u8bed\u8a00\u6838\u5fc3\u7684\u4e00\u90e8\u5206\uff0c\u800c\u662f\u6d4f\u89c8\u5668\u8fd9\u4e2a\u5bbf\u4e3b\u73af\u5883\u63d0\u4f9b\u7684\u3002\u5e38\u89c1\u7684\u5bbf\u4e3b\u73af\u5883\u6709\u6d4f\u89c8\u5668\u3001Node.js \u7b49\u3002\u6d4f\u89c8\u5668\u6709 BOM \u548c DOM API\uff0c\u800c Node.js \u5219\u6ca1\u6709\uff1bNode.js \u6709 fs\u3001net \u7b49 Node.js \u6838\u5fc3\u6a21\u5757\u63d0\u4f9b\u7684\u6587\u4ef6\u3001\u7f51\u7edc API\uff0c\u800c\u6d4f\u89c8\u5668\u5219\u4e0d\u5177\u5907\u8fd9\u4e9b\u6a21\u5757\u3002\u4f8b\u5982\uff0c\u4e0b\u9762\u8fd9\u6bb5\u5728\u6d4f\u89c8\u5668\u4e2d\u53ef\u4ee5\u6b63\u5e38\u8fd0\u884c\u7684\u4ee3\u7801\uff0c\u5728 Node.js \u4e2d\u8fd0\u884c\u5c31\u4f1a\u62a5\u9519\u3002<\/p>\n<pre>let canvas = document.createElement('canvas')\u590d\u5236\u4ee3\u7801<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p>\u56e0\u4e3a Node.js \u8fd9\u4e2a\u5bbf\u4e3b\u73af\u5883\u6839\u672c\u6ca1\u6709\u63d0\u4f9b document \u8fd9\u4e2a\u5185\u7f6e\u7684\u5168\u5c40\u53d8\u91cf\u3002<\/p>\n<pre>ReferenceError: document is not defined\u590d\u5236\u4ee3\u7801<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p>\u5c0f\u6e38\u620f\u7684\u8fd0\u884c\u73af\u5883\u662f\u4e00\u4e2a\u4e0d\u540c\u4e8e\u6d4f\u89c8\u5668\u7684\u5bbf\u4e3b\u73af\u5883\uff0c\u6ca1\u6709\u63d0\u4f9b BOM \u548c DOM API\uff0c\u63d0\u4f9b\u7684\u662f wx API\u3002\u901a\u8fc7 wx API\uff0c\u5f00\u53d1\u8005\u53ef\u4ee5\u8c03\u7528 Native \u63d0\u4f9b\u7684\u7ed8\u5236\u3001\u97f3\u89c6\u9891\u3001\u7f51\u7edc\u3001\u6587\u4ef6\u7b49\u80fd\u529b\u3002<br \/><img decoding=\"async\" class=\"aligncenter\" src=\"https:\/\/img.php.cn\/upload\/article\/000\/000\/052\/4d8721f21bcddfcd605c4c9e211b3a9f-0.png\" style=\"max-width:90%\" title=\"\u5b66\u4e60\u5982\u4f55\u7528pixi.js\u5f00\u53d1\u5fae\u4fe1\u5c0f\u6e38\u620f\u63d2\u56fe1\" alt=\"\u5b66\u4e60\u5982\u4f55\u7528pixi.js\u5f00\u53d1\u5fae\u4fe1\u5c0f\u6e38\u620f\u63d2\u56fe1\" \/><br \/>\u5982\u679c\u4f60\u60f3\u521b\u5efa\u753b\u5e03\uff0c\u4f60\u9700\u8981\u8c03\u7528 wx.createCanvas()<\/p>\n<pre>let canvas = wx.createCanvas()let context = canvas.getContext('2d')\u590d\u5236\u4ee3\u7801<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p>\u5982\u679c\u4f60\u60f3\u521b\u5efa\u4e00\u4e2a\u97f3\u9891\u5bf9\u8c61\uff0c\u4f60\u9700\u8981\u8c03\u7528 wx.createInnerAudioContext()<\/p>\n<pre>let audio = wx.createInnerAudioContext()\/\/ src \u5730\u5740\u4ec5\u4f5c\u6f14\u793a\uff0c\u5e76\u4e0d\u771f\u5b9e\u5b58\u5728audio.src = 'bgm.mp3'audio.play()\u590d\u5236\u4ee3\u7801<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p>\u5982\u679c\u4f60\u60f3\u83b7\u53d6\u5c4f\u5e55\u7684\u5bbd\u9ad8\uff0c\u4f60\u9700\u8981\u8c03\u7528 wx.getSystemInfoSync()<\/p>\n<pre>let { screenWidth, screenHeight } = wx.getSystemInfoSync()\u590d\u5236\u4ee3\u7801<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p>\u4f46\u662f\u57fa\u4e8e pixi.js \u6e32\u67d3\u5f15\u64ce\u4f1a\u901a\u8fc7\u4ee5\u4e0b\u65b9\u5f0f\u53bb\u521b\u5efastage \u5e76\u6302\u8f7d\u5230\u9875\u9762<\/p>\n<pre>document.body.appendChild(app.view);\u590d\u5236\u4ee3\u7801<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p>\u6b64\u65f6\u4f1a\u4ea7\u751f\u9519\u8bef\uff0c\u7406\u7531\u5982\u524d\u6587\u6240\u8ff0\uff0c\u5c0f\u6e38\u620f\u8fd9\u4e2a\u5bbf\u4e3b\u73af\u5883\u6839\u672c\u6ca1\u6709\u63d0\u4f9b document \u548c window \u8fd9\u4e24\u4e2a\u5728\u6d4f\u89c8\u5668\u4e2d\u5185\u7f6e\u7684\u5168\u5c40\u53d8\u91cf\u3002\u56e0\u4e3a\u5c0f\u6e38\u620f\u73af\u5883\u662f\u4e00\u4e2a\u4e0d\u540c\u4e8e\u6d4f\u89c8\u5668\u7684\u5bbf\u4e3b\u73af\u5883\u3002<\/p>\n<pre>ReferenceError: document is not definedReferenceError: window is not defined\u590d\u5236\u4ee3\u7801<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p>\u6240\u4ee5\uff0c\u57fa\u672c\u4e0a\u57fa\u4e8epixi.js\u5f00\u53d1\u7684\u5c0f\u6e38\u620f\uff0c\u90fd\u4e0d\u80fd\u76f4\u63a5\u8fc1\u79fb\u5230\u5c0f\u6e38\u620f\u4e2d\u4f7f\u7528\uff0c\u56e0\u4e3apixi.js\u7684\u5b9e\u73b0\u53ef\u80fd\u6216\u591a\u6216\u5c11\u90fd\u7528\u5230\u4e86 BOM \u548c DOM \u8fd9\u4e9b\u6d4f\u89c8\u5668\u73af\u5883\u7279\u6709\u7684 API\u3002\u53ea\u6709\u5bf9pixi.js\u8fdb\u884c\u6539\u9020\uff0c\u5c06\u5bf9 BOM \u548c DOM API \u7684\u8c03\u7528\u6539\u6210 wx API \u7684\u8c03\u7528\uff0c\u624d\u80fd\u8fd0\u884c\u5728\u5c0f\u6e38\u620f\u73af\u5883\u4e2d\u3002<\/p>\n<p>\u4f46\u662fpixi.js\u7684\u4ee3\u7801\u6211\u4eec\u4e0d\u80fd\u6539\u53d8\uff0c\u4e5f\u6ca1\u529e\u6cd5\u76f4\u63a5\u53bb\u4fee\u6539API\u7684\u5b9e\u73b0\uff0c\u8fd8\u6709\u4e00\u79cd\u9002\u914d\u65b9\u5f0f\uff0c\u5373\u5728\u6e32\u67d3\u5f15\u64ce\u548c\u6e38\u620f\u903b\u8f91\u4ee3\u7801\u4e4b\u95f4\u52a0\u4e00\u5c42\u6a21\u62df BOM \u548c DOM API \u7684\u9002\u914d\u5c42\uff0c\u6211\u4eec\u79f0\u4e4b\u4e3a Adapter\u3002\u8fd9\u5c42\u9002\u914d\u5c42\u5728\u5168\u5c40\u901a\u8fc7 wx API \u6a21\u62df\u4e86\u5f15\u64ce\u4f1a\u8bbf\u95ee\u5230\u7684\u90a3\u90e8\u5206 window \u548c document \u5bf9\u8c61\u7684\u5c5e\u6027\u548c\u65b9\u6cd5\uff0c\u4f7f\u5f15\u64ce\u611f\u53d7\u4e0d\u5230\u73af\u5883\u7684\u5dee\u5f02\u3002<br \/><img decoding=\"async\" class=\"aligncenter\" src=\"https:\/\/img.php.cn\/upload\/article\/000\/000\/052\/4d8721f21bcddfcd605c4c9e211b3a9f-1.png\" style=\"max-width:90%\" title=\"\u5b66\u4e60\u5982\u4f55\u7528pixi.js\u5f00\u53d1\u5fae\u4fe1\u5c0f\u6e38\u620f\u63d2\u56fe2\" alt=\"\u5b66\u4e60\u5982\u4f55\u7528pixi.js\u5f00\u53d1\u5fae\u4fe1\u5c0f\u6e38\u620f\u63d2\u56fe2\" \/><br \/>Adapter \u662f\u7528\u6237\u4ee3\u7801\uff0c\u4e0d\u662f\u57fa\u7840\u5e93\u7684\u4e00\u90e8\u5206\u3002\u5173\u4e8e Adapter \u7684\u4ecb\u7ecd\uff0c\u53c2\u89c1\u6559\u7a0b Adapter\u3002<\/p>\n<h2>2. Adapter \u9002\u914d\u5668<\/h2>\n<h3>1. weapp-adapter<\/h3>\n<p>\u5c0f\u6e38\u620f\u7684\u8fd0\u884c\u73af\u5883\u5728 iOS \u4e0a\u662f JavaScriptCore\uff0c\u5728 Android \u4e0a\u662f V8\uff0c\u90fd\u662f\u6ca1\u6709 BOM \u548c DOM \u7684\u8fd0\u884c\u73af\u5883\uff0c\u6ca1\u6709\u5168\u5c40\u7684 document \u548c window \u5bf9\u8c61\u3002\u56e0\u6b64\u5f53\u4f60\u5e0c\u671b\u4f7f\u7528 DOM API \u6765\u521b\u5efa Canvas \u548c Image \u7b49\u5143\u7d20\u7684\u65f6\u5019\uff0c\u4f1a\u5f15\u53d1\u9519\u8bef\u3002<\/p>\n<pre>const canvas = document.createElement('canvas')\u590d\u5236\u4ee3\u7801<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p>\u4f46\u662f\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528 wx.createCanvas \u548c wx.createImage \u6765\u5c01\u88c5\u4e00\u4e2a document\u3002<\/p>\n<pre>const document = {    createElement: function (tagName) {\n        tagName = tagName.toLowerCase()        if (tagName === 'canvas') {            return wx.createCanvas()\n        }        else if (tagName === 'image') {            return wx.createImage()\n        }\n    }\n}\u590d\u5236\u4ee3\u7801<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p>\u8fd9\u65f6\u4ee3\u7801\u5c31\u53ef\u4ee5\u50cf\u5728\u6d4f\u89c8\u5668\u4e2d\u521b\u5efa\u5143\u7d20\u4e00\u6837\u521b\u5efa Canvas \u548c Image \u4e86\u3002<\/p>\n<pre>const canvas = document.createElement('canvas')const image = document.createImage('image')\u590d\u5236\u4ee3\u7801<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p>\u540c\u6837\uff0c\u5982\u679c\u60f3\u5b9e\u73b0 new Image() \u7684\u65b9\u5f0f\u521b\u5efa Image \u5bf9\u8c61\uff0c\u53ea\u987b\u6dfb\u52a0\u5982\u4e0b\u4ee3\u7801\u3002<\/p>\n<pre>function Image () {    return wx.createImage()\n}\u590d\u5236\u4ee3\u7801<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p>\u8fd9\u4e9b\u4f7f\u7528 wx API \u6a21\u62df BOM \u548c DOM \u7684\u4ee3\u7801\u7ec4\u6210\u7684\u5e93\u79f0\u4e4b\u4e3a Adapter\u3002\u987e\u540d\u601d\u4e49\uff0c\u8fd9\u662f\u5bf9\u57fa\u4e8e\u6d4f\u89c8\u5668\u73af\u5883\u7684\u6e38\u620f\u5f15\u64ce\u5728\u5c0f\u6e38\u620f\u8fd0\u884c\u73af\u5883\u4e0b\u7684\u4e00\u5c42\u9002\u914d\u5c42\uff0c\u4f7f\u6e38\u620f\u5f15\u64ce\u5728\u8c03\u7528 DOM API \u548c\u8bbf\u95ee DOM \u5c5e\u6027\u65f6\u4e0d\u4f1a\u4ea7\u751f\u9519\u8bef\u3002<\/p>\n<p>Adapter \u662f\u4e00\u4e2a\u62bd\u8c61\u7684\u4ee3\u7801\u5c42\uff0c\u5e76\u4e0d\u7279\u6307\u67d0\u4e00\u4e2a\u9002\u914d\u5c0f\u6e38\u620f\u7684\u7b2c\u4e09\u65b9\u5e93\uff0c\u6bcf\u4f4d\u5f00\u53d1\u8005\u90fd\u53ef\u4ee5\u6839\u636e\u81ea\u5df1\u7684\u9879\u76ee\u9700\u8981\u5b9e\u73b0\u76f8\u5e94\u7684 Adapter\u3002\u5b98\u65b9\u5b9e\u73b0\u4e86\u4e00\u4e2a Adapter \u540d\u4e3a <strong>weapp-adapter<\/strong>\uff0c \u5e76\u63d0\u4f9b\u4e86\u5b8c\u6574\u7684\u6e90\u7801\uff0c\u4f9b\u5f00\u53d1\u8005\u4f7f\u7528\u548c\u53c2\u8003\u3002<br \/>**<br \/><strong>Adapter \u4e0b\u8f7d\u5730\u5740<\/strong> weapp-adapter.zip<\/p>\n<p>weapp-adapter \u4f1a\u9884\u5148\u8c03\u7528 wx.createCanvas() \u521b\u5efa\u4e00\u4e2a\u4e0a\u5c4f Canvas\uff0c\u5e76\u66b4\u9732\u4e3a\u4e00\u4e2a\u5168\u5c40\u53d8\u91cf canvas\u3002<\/p>\n<pre>require('.\/weapp-adapter')var context = canvas.getContext('2d')\ncontext.fillStyle = 'red'context.fillRect(0, 0, 100, 100)\u590d\u5236\u4ee3\u7801<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p>\u9664\u6b64\u4e4b\u5916 weapp-adapter \u8fd8\u6a21\u62df\u4e86\u4ee5\u4e0b\u5bf9\u8c61\u548c\u65b9\u6cd5\uff1a<\/p>\n<ul>\n<li>document.createElement<\/li>\n<li>canvas.addEventListener<\/li>\n<li>localStorage<\/li>\n<li>Audio<\/li>\n<li>Image<\/li>\n<li>WebSocket<\/li>\n<li>XMLHttpRequest<\/li>\n<li>\u7b49\u7b49&#8230;<\/li>\n<\/ul>\n<p>\u9700\u8981\u5f3a\u8c03\u7684\u662f\uff0cweapp-adapter \u5bf9\u6d4f\u89c8\u5668\u73af\u5883\u7684\u6a21\u62df\u662f\u8fdc\u4e0d\u5b8c\u6574\u7684\uff0c\u4ec5\u4ec5\u53ea\u9488\u5bf9\u6e38\u620f\u5f15\u64ce\u53ef\u80fd\u8bbf\u95ee\u7684\u5c5e\u6027\u548c\u8c03\u7528\u7684\u65b9\u6cd5\u8fdb\u884c\u4e86\u6a21\u62df\uff0c\u4e5f\u4e0d\u4fdd\u8bc1\u6240\u6709\u6e38\u620f\u5f15\u64ce\u90fd\u80fd\u901a\u8fc7 weapp-adapter \u987a\u5229\u65e0\u7f1d\u63a5\u5165\u5c0f\u6e38\u620f\u3002\u76f4\u63a5\u5c06 weapp-adapter \u63d0\u4f9b\u7ed9\u5f00\u53d1\u8005\uff0c\u66f4\u591a\u5730\u662f\u4f5c\u4e3a\u53c2\u8003\uff0c\u5f00\u53d1\u8005\u53ef\u4ee5\u6839\u636e\u9700\u8981\u5728 weapp-adapter \u7684\u57fa\u7840\u4e0a\u8fdb\u884c\u6269\u5c55\uff0c\u4ee5\u9002\u914d\u81ea\u5df1\u9879\u76ee\u4f7f\u7528\u7684\u6e38\u620f\u5f15\u64ce\u3002<\/p>\n<h3>2. pixi-adapter<\/h3>\n<p>\u5c0f\u6e38\u620f\u57fa\u7840\u5e93\u53ea\u63d0\u4f9b wx.createCanvas \u548c wx.createImage \u7b49 wx API \u4ee5\u53ca setTimeout\/setInterval\/requestAnimationFrame \u7b49\u5e38\u7528\u7684 JS \u65b9\u6cd5\u3002<\/p>\n<h4>1.\u5168\u5c40\u5bf9\u8c61<\/h4>\n<p>window\u5bf9\u8c61\u662f\u6d4f\u89c8\u5668\u73af\u5883\u4e0b\u7684\u5168\u5c40\u5bf9\u8c61\u3002\u5c0f\u6e38\u620f\u8fd0\u884c\u73af\u5883\u4e2d\u6ca1\u6709BOM API\uff0c\u56e0\u6b64\u6ca1\u6709window\u5bf9\u8c61\u3002\u4f46\u662f\u5c0f\u6e38\u620f\u63d0\u4f9b\u4e86\u5168\u5c40\u5bf9\u8c61GameGlobal\uff0c\u6240\u6709\u5168\u5c40\u5b9a\u4e49\u7684\u53d8\u91cf\u90fd\u662fGameGlobal\u7684\u5c5e\u6027\u3002<\/p>\n<pre>console.log(GameGlobal.setTimeout === setTimeout);console.log(GameGlobal.requestAnimationFrame === requestAnimationFrame);\u590d\u5236\u4ee3\u7801<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p>\u4ee5\u4e0a\u4ee3\u7801\u6267\u884c\u7ed3\u679c\u5747\u4e3atrue\u3002 \u5f00\u53d1\u8005\u53ef\u4ee5\u6839\u636e\u9700\u8981\u628a\u81ea\u5df1\u5c01\u88c5\u7684\u7c7b\u548c\u51fd\u6570\u6302\u8f7d\u5230GameGlobal\u4e0a\u3002<\/p>\n<pre>GameGlobal.render = function(){    \/\/ \u5177\u4f53\u7684\u65b9\u6cd5\u5b9e\u73b0}\nrender();\u590d\u5236\u4ee3\u7801<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<h4>2. Element \u5143\u7d20\u6784\u9020<\/h4>\n<pre>import { canvas } from '.\/canvas'\/**\n * Base Element\n *\/export class Element {\n  style = { cursor: null }  appendChild() {}  removeChild() {}  addEventListener() {}  removeEventListener() {}\n}export const HTMLCanvasElement = canvas.constructorexport const HTMLImageElement = wx.createImage().constructorexport class HTMLVideoElement extends Element {\n\n}\u590d\u5236\u4ee3\u7801<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<h4>3. document \u6784\u9020<\/h4>\n<pre>import { Canvas } from '.\/canvas'import Image from '.\/Image'import { Element } from '.\/element'const stack = {}\/** \n * document \u9002\u914d\n *\/export default {  body: new Element('body'),  addEventListener(type, handle) {\n    stack[type] = stack[type] || []\n    stack[type].push(handle)\n  },  removeEventListener(type, handle) {    if (stack[type] &amp;&amp; stack[type].length) {      const i = stack[type].indexOf(handle)\n      i !== -1 &amp;&amp; stack[type].splice(i)\n    }\n  },  dispatch(ev) {    const queue = stack[ev.type]\n    queue &amp;&amp; queue.forEach(handle =&gt; handle(ev))\n  },  createElement(tag) {    switch (tag) {      case 'canvas': {        return new Canvas()\n      }      case 'img': {        return new Image()\n      }      default: {        return new Element()\n      }\n    }\n  }\n}\u590d\u5236\u4ee3\u7801<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<h4>4.\u7edf\u4e00\u5165\u53e3<\/h4>\n<pre>import { noop } from '.\/util'import Image from '.\/Image'import { canvas } from '.\/canvas'import location from '.\/location'import document from '.\/document'import WebSocket from '.\/WebSocket'import navigator from '.\/navigator'import TouchEvent from '.\/TouchEvent'import XMLDocument from '.\/XMLDocument'import localStorage from '.\/localStorage'import XMLHttpRequest from '.\/XMLHttpRequest'import { Element, HTMLCanvasElement, HTMLImageElement, HTMLVideoElement } from '.\/element'const { platform } = wx.getSystemInfoSync()\n\nGameGlobal.canvas = canvas \/\/ \u5168\u5c40canvascanvas.addEventListener = document.addEventListener\ncanvas.removeEventListener = document.removeEventListener\/\/ \u6a21\u62df\u5668 \u6302\u8f7dwindow\u4e0a\u4e0d\u80fd\u4fee\u6539if (platform === 'devtools') {  Object.defineProperties(window, {    Image: {value: Image},    Element: {value: Element},    ontouchstart: {value: noop},    WebSocket: {value: WebSocket},    addEventListener: {value: noop},    TouchEvent: {value: TouchEvent},    XMLDocument: {value: XMLDocument},    localStorage: {value: localStorage},    XMLHttpRequest: {value: XMLHttpRequest},    HTMLVideoElement: {value: HTMLVideoElement},    HTMLImageElement: {value: HTMLImageElement},    HTMLCanvasElement: {value: HTMLCanvasElement},\n  })  \/\/ \u6302\u8f7d document\n  for (const key in document) {    const desc = Object.getOwnPropertyDescriptor(window.document, key)    if (!desc || desc.configurable) {      Object.defineProperty(window.document, key, {value: document[key]})\n    }\n  }\n} else {\n  GameGlobal.Image = Image\n  GameGlobal.window = GameGlobal\n  GameGlobal.ontouchstart = noop\n  GameGlobal.document = document\n  GameGlobal.location = location\n  GameGlobal.WebSocket = WebSocket\n  GameGlobal.navigator = navigator\n  GameGlobal.TouchEvent = TouchEvent\n  GameGlobal.addEventListener = noop\n  GameGlobal.XMLDocument = XMLDocument\n  GameGlobal.removeEventListener = noop\n  GameGlobal.localStorage = localStorage\n  GameGlobal.XMLHttpRequest = XMLHttpRequest\n  GameGlobal.HTMLImageElement = HTMLImageElement\n  GameGlobal.HTMLVideoElement = HTMLVideoElement\n  GameGlobal.HTMLCanvasElement = HTMLCanvasElement\n  GameGlobal.WebGLRenderingContext = GameGlobal.WebGLRenderingContext || {}\n}\u590d\u5236\u4ee3\u7801<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p>\u601d\u8def\u5efa\u8bae\u4e3a\u5148\u5f15\u5165\u901a\u7528\u7684 Adapter \u5c1d\u8bd5\u8fd0\u884c\uff0c\u7136\u540e\u9047\u5230\u7684\u95ee\u9898\u518d\u9010\u4e2a\u89e3\u51b3\u6389\u3002<\/p>\n<blockquote><p>\n  \u76f8\u5173\u514d\u8d39\u5b66\u4e60\u63a8\u8350\uff1a\u5fae\u4fe1\u5c0f\u7a0b\u5e8f\u5f00\u53d1\n<\/p><\/blockquote>\n<p>\u4ee5\u4e0a\u5c31\u662f\u5b66\u4e60\u5982\u4f55\u7528pixi.js\u5f00\u53d1\u5fae\u4fe1\u5c0f\u6e38\u620f\u7684\u8be6\u7ec6\u5185\u5bb9\uff0c\u66f4\u591a\u8bf7\u5173\u6ce8\u7c73\u4e91\u5176\u5b83\u76f8\u5173\u6587\u7ae0\uff01<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u680f\u76ee\u4ecb\u7ecd\u5982\u4f55\u7528pixi.js\u5f00\u53d1\u5fae\u4fe1\u5c0f\u6e38\u620f\u3002 1.\u4f7f\u7528PixiJS\u6e32\u67d3\u5f15\u64ce \u5fae\u4fe1\u5c0f\u6e38\u620f\u662f\u4e00\u4e2a\u4e0d\u540c\u4e8e\u6d4f\u89c8\u5668\u7684 JavaScript \u8fd0\u884c\u73af\u5883\uff0c\u6ca1\u6709 BOM \u548c DOM API\u3002\u7136\u800cpixi.js\u662f\u7528 JavaScript \u7ed3\u5408\u5176\u4ed6 HTML5 \u6280\u672f\u6765\u663e\u793a\u5a92\u4f53\uff0c\u521b\u5efa\u52a8\u753b\u6216\u7ba1\u7406\u4ea4\u4e92\u5f0f\u56fe\u50cf\u3002\u662f\u4f9d\u8d56\u6d4f\u89c8\u5668\u63d0\u4f9b\u7684 BOM \u548c DOM API \u7684\u3002\u6240\u4ee5\u5982\u679c\u8981\u5728\u5fae\u4fe1\u5c0f\u6e38\u620f\u4e2d\u4f7f\u7528pixi.js\uff0c\u9700\u8981\u5bf9\u5f15\u64ce\u8fdb\u884c\u6539\u9020\u3002 \u4e0d\u8fc7\u5c0f\u6e38\u620f\u63d0\u4f9b\u4e86\u5bf9\u5927\u90e8\u5206 Canvas 2d \u548c WebGL 1.0 \u7279\u6027\u7684\u652f\u6301\uff0c\u652f\u6301\u60c5\u51b5\u53c2\u89c1 RenderingContext\uff0cpixi.js\u5b83\u80fd\u81ea\u52a8\u4fa6\u6d4b\u4f7f\u7528WebGL\u8fd8\u662fCanvas\u6765\u521b\u5efa\u56fe\u5f62\u3002 \u65e0\u8bba\u662f\u600e\u6837\u7684\u5f15\u64ce\uff0c\u6700\u7ec8\u5728\u6e38\u620f\u8fd0\u884c\u65f6\u6240\u505a\u7684\u5927\u90e8\u5206\u4e8b\u60c5\u90fd\u662f \u968f\u7740\u7528\u6237\u7684\u4ea4\u4e92\u66f4\u65b0\u753b\u9762\u548c\u64ad\u653e\u58f0\u97f3\u3002\u5c0f\u6e38\u620f\u7684\u5f00\u53d1\u8bed\u8a00\u662f JavaScript\uff0c\u90a3\u4e48\u5728\u5f15\u64ce\u7684\u5e95\u5c42\u5c31\u9700\u8981\u901a\u8fc7 JavaScript \u8c03\u7528\u7ed8\u5236 API \u548c\u97f3\u9891 API\u3002 \u4e00\u6bb5 JavaScript \u4ee3\u7801\u5728\u8fd0\u884c\u65f6\u53ef\u4ee5\u8c03\u7528\u7684 API \u662f\u4f9d\u8d56\u4e8e \u5bbf\u4e3b\u73af\u5883 \u7684\u3002\u6211\u4eec\u6700\u5e38\u7528\u7684 console.log \u751a\u81f3\u90fd\u4e0d\u662f JavaScript \u8bed\u8a00\u6838\u5fc3\u7684\u4e00\u90e8\u5206\uff0c\u800c\u662f\u6d4f\u89c8\u5668\u8fd9\u4e2a\u5bbf\u4e3b\u73af\u5883\u63d0\u4f9b\u7684\u3002\u5e38\u89c1\u7684\u5bbf\u4e3b\u73af\u5883\u6709\u6d4f\u89c8\u5668\u3001Node.js \u7b49\u3002\u6d4f\u89c8\u5668\u6709 BOM \u548c DOM API\uff0c\u800c Node.js \u5219\u6ca1\u6709\uff1bNode.js \u6709 fs\u3001net \u7b49 [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[19],"tags":[],"class_list":["post-33692","post","type-post","status-publish","format-standard","hentry","category-19"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/33692","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/comments?post=33692"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/33692\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=33692"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=33692"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=33692"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}