{"id":36088,"date":"2025-05-07T15:52:18","date_gmt":"2025-05-07T07:52:18","guid":{"rendered":"https:\/\/www.wsisp.com\/helps\/36088.html"},"modified":"2025-05-07T15:52:18","modified_gmt":"2025-05-07T07:52:18","slug":"09-arcgis-for-javascript-%e5%9f%ba%e4%ba%8ethreejs%e5%ae%9e%e7%8e%b0%e5%8a%a8%e6%80%81gltf%e6%a8%a1%e5%9e%8b%e5%8a%a0%e8%bd%bd","status":"publish","type":"post","link":"https:\/\/www.wsisp.com\/helps\/36088.html","title":{"rendered":"09-ArcGIS For JavaScript -- \u57fa\u4e8eThreeJS\u5b9e\u73b0\u52a8\u6001GLTF\u6a21\u578b\u52a0\u8f7d"},"content":{"rendered":"<\/p>\n<h4>\u6587\u7ae0\u76ee\u5f55<\/h4>\n<ul>\n<li>\u524d\u8a00<\/li>\n<li>\u4e00\u3001ArcGIS\u5982\u4f55\u52a0\u8f7dGLTF<\/li>\n<li>\n<ul>\n<li>1.JavaScript \u4ee3\u7801<\/li>\n<li>2. \u7ed3\u679c<\/li>\n<\/ul>\n<\/li>\n<li>\u4e8c\u3001ThreeJS\u4f7f\u7528<\/li>\n<li>\u4e09\u3001ArcGIS\u573a\u666f\u57fa\u4e8eThreeJS\u52a0\u8f7dGLTF<\/li>\n<li>\n<ul>\n<li>1. \u7f16\u5199RenderNode\u5f15\u5165\u4ee3\u7801<\/li>\n<li>2.\u8c03\u7528RenderNode<\/li>\n<li>3\u3001\u7ed3\u679c<\/li>\n<\/ul>\n<\/li>\n<li>\u56db \u3001\u603b\u7ed3<\/li>\n<\/ul>\n<hr \/>\n<h2>\u524d\u8a00<\/h2>\n<p>\u901a\u5e38\u6211\u4eec\u5728Web\u7aef\u4e09\u7ef4\u573a\u666f\u4e2d\u770b\u5230\u7684\u52a8\u6001\u6a21\u578b\u4e00\u822c\u90fd\u4e3aGLTF\u6216\u8005GLB\u6a21\u578b&#xff08;GLB\u662fGLTF\u7684\u4e8c\u7ea7\u5236\u5fc3\u6001&#xff09;\u3002\u800cGLTF\u6a21\u578b\u6709\u5206\u4e3a\u5e26\u9aa8\u9abc\u52a8\u753b\u548c\u4e0d\u5e26\u9aa8\u9abc\u52a8\u753b\u4e24\u79cd\u5f62\u6001\u3002\u800c\u4e0a\u9762\u6216\u5230\u7684\u52a8\u6001\u6548\u679c\u5c31\u662f\u53ea\u5e26\u6709\u9aa8\u9abc\u52a8\u753b\u7684GLTF\u3002<\/p>\n<p>\u5bf9\u4e8eArcGIS For JavaScript\u800c\u8a00&#xff0c;\u76ee\u524d\u53ef\u4ee5\u901a\u8fc7\u7b26\u53f7\u5316\u4e09\u7ef4\u5bf9\u8c61\u7684\u65b9\u5f0f\u53bb\u52a0\u8f7dGLTF&#xff0c;\u4f46\u662f\u5728\u7b26\u53f7\u5316\u7684\u8fc7\u7a0b\u4e2d\u65e0\u6cd5\u53bb\u8bbe\u7f6e\u5f00\u542fGLTF\u7684\u52a8\u753b\u53c2\u6570&#xff0c;\u6240\u4ee5\u4e0d\u7ba1\u662f\u9aa8\u9abc\u6a21\u578b\u8fd8\u662f\u666e\u901a\u6a21\u578b&#xff0c;\u52a0\u8f7d\u51fa\u6765\u90fd\u53ea\u80fd\u770b\u5230\u9759\u6001\u7684\u6548\u679c\u3002\u5728\u6587\u7ae0\u300a03-ArcGIS For JavaScript\u7ed3\u5408ThreeJS\u529f\u80fd\u300b\u7684\u65f6\u5019&#xff0c;\u8bb2\u8fc7RenderNode\u53ef\u4ee5\u5c06ThreeJS\u7684\u6548\u679c\u96c6\u4e2d\u5230ArcGIS\u7684\u573a\u666f\u4e2d&#xff0c;\u6240\u4ee5\u8fd9\u91cc\u5c31\u4ecb\u7ecd\u4e00\u4e0bArcGIS\u4e2d\u901a\u8fc7ThreeJS\u53bb\u52a0\u8f7d\u5e26\u6709\u9aa8\u9abc\u52a8\u753b\u7684GLTF\u6a21\u578b\u3002<\/p>\n<h2>\u4e00\u3001ArcGIS\u5982\u4f55\u52a0\u8f7dGLTF<\/h2>\n<h3>1.JavaScript \u4ee3\u7801<\/h3>\n<p>\u9996\u5148\u770b\u4e00\u4e0bArcGIS For JavaScript\u4e2d\u5982\u4f55\u52a0\u8f7dGLTF\u3002<\/p>\n<p><span class=\"token operator\">&lt;<\/span><span class=\"token operator\">!<\/span>doctype html<span class=\"token operator\">&gt;<\/span><br \/>\n<span class=\"token operator\">&lt;<\/span>html lang<span class=\"token operator\">&#061;<\/span><span class=\"token string\">&#034;en&#034;<\/span><span class=\"token operator\">&gt;<\/span><\/p>\n<p><span class=\"token operator\">&lt;<\/span>head<span class=\"token operator\">&gt;<\/span><br \/>\n    <span class=\"token operator\">&lt;<\/span>meta charset<span class=\"token operator\">&#061;<\/span><span class=\"token string\">&#034;utf-8&#034;<\/span> <span class=\"token operator\">\/<\/span><span class=\"token operator\">&gt;<\/span><br \/>\n    <span class=\"token operator\">&lt;<\/span>meta name<span class=\"token operator\">&#061;<\/span><span class=\"token string\">&#034;viewport&#034;<\/span> content<span class=\"token operator\">&#061;<\/span><span class=\"token string\">&#034;initial-scale&#061;1,maximum-scale&#061;1,user-scalable&#061;no&#034;<\/span> <span class=\"token operator\">\/<\/span><span class=\"token operator\">&gt;<\/span><br \/>\n    <span class=\"token operator\">&lt;<\/span>title<span class=\"token operator\">&gt;<\/span>Import glTF 3D Models <span class=\"token operator\">|<\/span> Sample <span class=\"token operator\">|<\/span> ArcGIS Maps <span class=\"token constant\">SDK<\/span> <span class=\"token keyword\">for<\/span> JavaScript <span class=\"token number\">4.32<\/span><span class=\"token operator\">&lt;<\/span><span class=\"token operator\">\/<\/span>title<span class=\"token operator\">&gt;<\/span><\/p>\n<p>    <span class=\"token operator\">&lt;<\/span>link rel<span class=\"token operator\">&#061;<\/span><span class=\"token string\">&#034;stylesheet&#034;<\/span> href<span class=\"token operator\">&#061;<\/span><span class=\"token string\">&#034;https:\/\/js.arcgis.com\/4.32\/esri\/themes\/light\/main.css&#034;<\/span> <span class=\"token operator\">\/<\/span><span class=\"token operator\">&gt;<\/span><br \/>\n    <span class=\"token operator\">&lt;<\/span>script src<span class=\"token operator\">&#061;<\/span><span class=\"token string\">&#034;https:\/\/js.arcgis.com\/4.32\/&#034;<\/span><span class=\"token operator\">&gt;<\/span><span class=\"token operator\">&lt;<\/span><span class=\"token operator\">\/<\/span>script<span class=\"token operator\">&gt;<\/span><\/p>\n<p>    <span class=\"token operator\">&lt;<\/span>style<span class=\"token operator\">&gt;<\/span><br \/>\n        html<span class=\"token punctuation\">,<\/span><br \/>\n        body<span class=\"token punctuation\">,<\/span><br \/>\n        #viewDiv <span class=\"token punctuation\">{<\/span><br \/>\n            <span class=\"token literal-property property\">padding<\/span><span class=\"token operator\">:<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token literal-property property\">margin<\/span><span class=\"token operator\">:<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token literal-property property\">height<\/span><span class=\"token operator\">:<\/span> <span class=\"token number\">100<\/span><span class=\"token operator\">%<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token literal-property property\">width<\/span><span class=\"token operator\">:<\/span> <span class=\"token number\">100<\/span><span class=\"token operator\">%<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><\/p>\n<p>        #paneDiv <span class=\"token punctuation\">{<\/span><br \/>\n            <span class=\"token literal-property property\">padding<\/span><span class=\"token operator\">:<\/span> 10px<span class=\"token punctuation\">;<\/span><br \/>\n            max<span class=\"token operator\">&#8211;<\/span>width<span class=\"token operator\">:<\/span> 200px<span class=\"token punctuation\">;<\/span><br \/>\n            background<span class=\"token operator\">&#8211;<\/span>color<span class=\"token operator\">:<\/span> <span class=\"token function\">rgba<\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">255<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token number\">255<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token number\">255<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token number\">0.8<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            font<span class=\"token operator\">&#8211;<\/span>size<span class=\"token operator\">:<\/span> <span class=\"token number\">1<\/span><span class=\"token punctuation\">.<\/span>1em<span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><\/p>\n<p>        #credits <span class=\"token punctuation\">{<\/span><br \/>\n            font<span class=\"token operator\">&#8211;<\/span>size<span class=\"token operator\">:<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">.<\/span>7em<span class=\"token punctuation\">;<\/span><br \/>\n            line<span class=\"token operator\">&#8211;<\/span>height<span class=\"token operator\">:<\/span> <span class=\"token number\">1<\/span><span class=\"token punctuation\">.<\/span>1em<span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><br \/>\n    <span class=\"token operator\">&lt;<\/span><span class=\"token operator\">\/<\/span>style<span class=\"token operator\">&gt;<\/span><br \/>\n    <span class=\"token operator\">&lt;<\/span>script<span class=\"token operator\">&gt;<\/span><br \/>\n        <span class=\"token function\">require<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">[<\/span><br \/>\n            <span class=\"token string\">&#034;esri\/views\/SceneView&#034;<\/span><span class=\"token punctuation\">,<\/span><br \/>\n            <span class=\"token string\">&#034;esri\/Map&#034;<\/span><span class=\"token punctuation\">,<\/span><br \/>\n            <span class=\"token string\">&#034;esri\/layers\/GraphicsLayer&#034;<\/span><span class=\"token punctuation\">,<\/span><br \/>\n            <span class=\"token string\">&#034;esri\/Graphic&#034;<\/span><span class=\"token punctuation\">,<\/span><br \/>\n            <span class=\"token string\">&#034;esri\/geometry\/Point&#034;<\/span><br \/>\n        <span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token parameter\">SceneView<span class=\"token punctuation\">,<\/span> Map<span class=\"token punctuation\">,<\/span> GraphicsLayer<span class=\"token punctuation\">,<\/span> Graphic<span class=\"token punctuation\">,<\/span> Point<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token operator\">&#061;&gt;<\/span> <span class=\"token punctuation\">{<\/span><\/p>\n<p>            <span class=\"token keyword\">let<\/span> scene <span class=\"token operator\">&#061;<\/span> <span class=\"token keyword\">new<\/span> <span class=\"token class-name\">Map<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">{<\/span><br \/>\n                <span class=\"token literal-property property\">basemap<\/span><span class=\"token operator\">:<\/span> <span class=\"token string\">&#039;satellite&#039;<\/span><br \/>\n            <span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">)<\/span><\/p>\n<p>            <span class=\"token keyword\">const<\/span> view <span class=\"token operator\">&#061;<\/span> <span class=\"token keyword\">new<\/span> <span class=\"token class-name\">SceneView<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">{<\/span><br \/>\n                <span class=\"token literal-property property\">container<\/span><span class=\"token operator\">:<\/span> <span class=\"token string\">&#034;viewDiv&#034;<\/span><span class=\"token punctuation\">,<\/span><br \/>\n                <span class=\"token literal-property property\">map<\/span><span class=\"token operator\">:<\/span> scene<span class=\"token punctuation\">,<\/span><br \/>\n                <span class=\"token literal-property property\">camera<\/span><span class=\"token operator\">:<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n                    <span class=\"token literal-property property\">heading<\/span><span class=\"token operator\">:<\/span> <span class=\"token number\">359.20366065537<\/span><span class=\"token punctuation\">,<\/span><br \/>\n                    <span class=\"token literal-property property\">fov<\/span><span class=\"token operator\">:<\/span> <span class=\"token number\">55<\/span><span class=\"token punctuation\">,<\/span><br \/>\n                    <span class=\"token literal-property property\">tilt<\/span><span class=\"token operator\">:<\/span> <span class=\"token number\">1.2342814547871352<\/span><span class=\"token punctuation\">,<\/span><br \/>\n                    <span class=\"token literal-property property\">position<\/span><span class=\"token operator\">:<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n                        <span class=\"token literal-property property\">latitude<\/span><span class=\"token operator\">:<\/span> <span class=\"token number\">39.90281086554516<\/span><span class=\"token punctuation\">,<\/span><br \/>\n                        <span class=\"token literal-property property\">longitude<\/span><span class=\"token operator\">:<\/span> <span class=\"token number\">116.37414026811818<\/span><span class=\"token punctuation\">,<\/span><br \/>\n                        <span class=\"token literal-property property\">z<\/span><span class=\"token operator\">:<\/span> <span class=\"token number\">1445.7247159378603<\/span><br \/>\n                    <span class=\"token punctuation\">}<\/span><br \/>\n                <span class=\"token punctuation\">}<\/span><br \/>\n            <span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>            <span class=\"token keyword\">const<\/span> graphicsLayer <span class=\"token operator\">&#061;<\/span> <span class=\"token keyword\">new<\/span> <span class=\"token class-name\">GraphicsLayer<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">{<\/span><br \/>\n                <span class=\"token literal-property property\">elevationInfo<\/span><span class=\"token operator\">:<\/span> <span class=\"token punctuation\">{<\/span> <span class=\"token literal-property property\">mode<\/span><span class=\"token operator\">:<\/span> <span class=\"token string\">&#034;on-the-ground&#034;<\/span> <span class=\"token punctuation\">}<\/span><br \/>\n            <span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            scene<span class=\"token punctuation\">.<\/span><span class=\"token function\">add<\/span><span class=\"token punctuation\">(<\/span>graphicsLayer<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>            view<span class=\"token punctuation\">.<\/span><span class=\"token function\">when<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token operator\">&#061;&gt;<\/span> <span class=\"token punctuation\">{<\/span><\/p>\n<p>                <span class=\"token keyword\">let<\/span> symbol <span class=\"token operator\">&#061;<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n                    <span class=\"token literal-property property\">type<\/span><span class=\"token operator\">:<\/span> <span class=\"token string\">&#034;point-3d&#034;<\/span><span class=\"token punctuation\">,<\/span><br \/>\n                    <span class=\"token literal-property property\">symbolLayers<\/span><span class=\"token operator\">:<\/span> <span class=\"token punctuation\">[<\/span><br \/>\n                        <span class=\"token punctuation\">{<\/span><br \/>\n                            <span class=\"token literal-property property\">type<\/span><span class=\"token operator\">:<\/span> <span class=\"token string\">&#034;object&#034;<\/span><span class=\"token punctuation\">,<\/span><br \/>\n                            <span class=\"token literal-property property\">resource<\/span><span class=\"token operator\">:<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n                                <span class=\"token literal-property property\">href<\/span><span class=\"token operator\">:<\/span> <span class=\"token string\">&#034;https:\/\/developers.arcgis.com\/javascript\/latest\/sample-code\/import-gltf\/live\/tent.glb&#034;<\/span><br \/>\n                            <span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">,<\/span><br \/>\n                            <span class=\"token literal-property property\">width<\/span><span class=\"token operator\">:<\/span> <span class=\"token number\">100<\/span><span class=\"token punctuation\">,<\/span><br \/>\n                            <span class=\"token literal-property property\">hight<\/span><span class=\"token operator\">:<\/span><span class=\"token number\">100<\/span><br \/>\n                        <span class=\"token punctuation\">}<\/span><br \/>\n                    <span class=\"token punctuation\">]<\/span><br \/>\n                <span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>                <span class=\"token keyword\">let<\/span> point <span class=\"token operator\">&#061;<\/span> <span class=\"token keyword\">new<\/span> <span class=\"token class-name\">Point<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">{<\/span><br \/>\n                    <span class=\"token literal-property property\">latitude<\/span><span class=\"token operator\">:<\/span> <span class=\"token number\">39.903718309815375<\/span><span class=\"token punctuation\">,<\/span><br \/>\n                    <span class=\"token literal-property property\">longitude<\/span><span class=\"token operator\">:<\/span> <span class=\"token number\">116.37175217665084<\/span><span class=\"token punctuation\">,<\/span><br \/>\n                    <span class=\"token literal-property property\">z<\/span><span class=\"token operator\">:<\/span> <span class=\"token number\">60<\/span><br \/>\n                <span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>                <span class=\"token keyword\">let<\/span> graphic <span class=\"token operator\">&#061;<\/span> <span class=\"token keyword\">new<\/span> <span class=\"token class-name\">Graphic<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">{<\/span><br \/>\n                    <span class=\"token literal-property property\">geometry<\/span><span class=\"token operator\">:<\/span> point<span class=\"token punctuation\">,<\/span><br \/>\n                    symbol<br \/>\n                <span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">)<\/span><\/p>\n<p>                graphicsLayer<span class=\"token punctuation\">.<\/span><span class=\"token function\">add<\/span><span class=\"token punctuation\">(<\/span>graphic<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">)<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token operator\">&lt;<\/span><span class=\"token operator\">\/<\/span>script<span class=\"token operator\">&gt;<\/span><br \/>\n<span class=\"token operator\">&lt;<\/span><span class=\"token operator\">\/<\/span>head<span class=\"token operator\">&gt;<\/span><br \/>\n<span class=\"token operator\">&lt;<\/span>body<span class=\"token operator\">&gt;<\/span><br \/>\n    <span class=\"token operator\">&lt;<\/span>div id<span class=\"token operator\">&#061;<\/span><span class=\"token string\">&#034;viewDiv&#034;<\/span><span class=\"token operator\">&gt;<\/span><span class=\"token operator\">&lt;<\/span><span class=\"token operator\">\/<\/span>div<span class=\"token operator\">&gt;<\/span><br \/>\n<span class=\"token operator\">&lt;<\/span><span class=\"token operator\">\/<\/span>body<span class=\"token operator\">&gt;<\/span><br \/>\n<span class=\"token operator\">&lt;<\/span><span class=\"token operator\">\/<\/span>html<span class=\"token operator\">&gt;<\/span><\/p>\n<h3>2. \u7ed3\u679c<\/h3>\n<p><img decoding=\"async\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2025\/05\/20250507075215-681b112f8bae3.png\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \/><\/p>\n<h2>\u4e8c\u3001ThreeJS\u4f7f\u7528<\/h2>\n<p>ThreeJS\u7684\u4f7f\u7528\u65b9\u5f0f\u53ef\u4ee5\u53c2\u8003\u524d\u9762\u300a03-ArcGIS For JavaScript\u7ed3\u5408ThreeJS\u529f\u80fd\u300b<\/p>\n<h2>\u4e09\u3001ArcGIS\u573a\u666f\u57fa\u4e8eThreeJS\u52a0\u8f7dGLTF<\/h2>\n<h3>1. \u7f16\u5199RenderNode\u5f15\u5165\u4ee3\u7801<\/h3>\n<p>renderNodeClass.js<\/p>\n<p><span class=\"token keyword\">let<\/span> RenderNodeClass <span class=\"token operator\">&#061;<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token function\">constructor<\/span><span class=\"token punctuation\">(<\/span><span class=\"token parameter\">options<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token keyword\">this<\/span><span class=\"token punctuation\">.<\/span>webgl <span class=\"token operator\">&#061;<\/span> options<span class=\"token punctuation\">.<\/span>webgl<span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token keyword\">this<\/span><span class=\"token punctuation\">.<\/span>view <span class=\"token operator\">&#061;<\/span> options<span class=\"token punctuation\">.<\/span>view<span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token keyword\">this<\/span><span class=\"token punctuation\">.<\/span>mixer <span class=\"token operator\">&#061;<\/span> <span class=\"token keyword\">null<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token keyword\">this<\/span><span class=\"token punctuation\">.<\/span>horseMixer <span class=\"token operator\">&#061;<\/span> <span class=\"token keyword\">null<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token keyword\">this<\/span><span class=\"token punctuation\">.<\/span>clock <span class=\"token operator\">&#061;<\/span> <span class=\"token keyword\">null<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token keyword\">this<\/span><span class=\"token punctuation\">.<\/span>horseClock <span class=\"token operator\">&#061;<\/span> <span class=\"token keyword\">null<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">,<\/span><\/p>\n<p>    <span class=\"token function\">setParams<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token keyword\">this<\/span><span class=\"token punctuation\">.<\/span>isStop <span class=\"token operator\">&#061;<\/span> <span class=\"token operator\">!<\/span><span class=\"token keyword\">this<\/span><span class=\"token punctuation\">.<\/span>isStop<span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">,<\/span><\/p>\n<p>    <span class=\"token function\">initialize<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token keyword\">let<\/span> <span class=\"token constant\">THREE<\/span> <span class=\"token operator\">&#061;<\/span> window<span class=\"token punctuation\">.<\/span><span class=\"token constant\">THREE<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>        <span class=\"token comment\">\/\/ this.mixer &#061; new THREE.AnimationMixer();<\/span><br \/>\n        <span class=\"token keyword\">this<\/span><span class=\"token punctuation\">.<\/span>horseMixer <span class=\"token operator\">&#061;<\/span> <span class=\"token constant\">THREE<\/span><span class=\"token punctuation\">.<\/span>AnimationMixer<span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token keyword\">this<\/span><span class=\"token punctuation\">.<\/span>clock <span class=\"token operator\">&#061;<\/span> <span class=\"token keyword\">new<\/span> <span class=\"token class-name\">THREE<span class=\"token punctuation\">.<\/span>Clock<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token keyword\">this<\/span><span class=\"token punctuation\">.<\/span>horseClock <span class=\"token operator\">&#061;<\/span> <span class=\"token keyword\">new<\/span> <span class=\"token class-name\">THREE<span class=\"token punctuation\">.<\/span>Clock<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token keyword\">this<\/span><span class=\"token punctuation\">.<\/span>mixer <span class=\"token operator\">&#061;<\/span> <span class=\"token constant\">THREE<\/span><span class=\"token punctuation\">.<\/span>AnimationMixer<span class=\"token punctuation\">;<\/span><\/p>\n<p>        <span class=\"token keyword\">this<\/span><span class=\"token punctuation\">.<\/span>renderer <span class=\"token operator\">&#061;<\/span> <span class=\"token keyword\">new<\/span> <span class=\"token class-name\">THREE<span class=\"token punctuation\">.<\/span>WebGLRenderer<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">{<\/span><br \/>\n            <span class=\"token literal-property property\">context<\/span><span class=\"token operator\">:<\/span> <span class=\"token keyword\">this<\/span><span class=\"token punctuation\">.<\/span>gl<span class=\"token punctuation\">,<\/span> <span class=\"token comment\">\/\/ \u53ef\u7528\u4e8e\u5c06\u6e32\u67d3\u5668\u9644\u52a0\u5230\u5df2\u6709\u7684\u6e32\u67d3\u73af\u5883(RenderingContext)\u4e2d<\/span><br \/>\n            <span class=\"token literal-property property\">premultipliedAlpha<\/span><span class=\"token operator\">:<\/span> <span class=\"token boolean\">false<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token comment\">\/\/ renderer\u662f\u5426\u5047\u8bbe\u989c\u8272\u6709 premultiplied alpha. \u9ed8\u8ba4\u4e3atrue<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token keyword\">this<\/span><span class=\"token punctuation\">.<\/span>renderer<span class=\"token punctuation\">.<\/span><span class=\"token function\">setPixelRatio<\/span><span class=\"token punctuation\">(<\/span>window<span class=\"token punctuation\">.<\/span>devicePixelRatio<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token comment\">\/\/ \u8bbe\u7f6e\u8bbe\u5907\u50cf\u7d20\u6bd4\u3002\u901a\u5e38\u7528\u4e8e\u907f\u514dHiDPI\u8bbe\u5907\u4e0a\u7ed8\u56fe\u6a21\u7cca<\/span><br \/>\n        <span class=\"token keyword\">this<\/span><span class=\"token punctuation\">.<\/span>renderer<span class=\"token punctuation\">.<\/span><span class=\"token function\">setViewport<\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">0<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token keyword\">this<\/span><span class=\"token punctuation\">.<\/span>view<span class=\"token punctuation\">.<\/span>width<span class=\"token punctuation\">,<\/span> <span class=\"token keyword\">this<\/span><span class=\"token punctuation\">.<\/span>view<span class=\"token punctuation\">.<\/span>height<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token comment\">\/\/ \u89c6\u53e3\u5927\u5c0f\u8bbe\u7f6e<\/span><\/p>\n<p>        <span class=\"token keyword\">this<\/span><span class=\"token punctuation\">.<\/span>renderer<span class=\"token punctuation\">.<\/span>autoClear <span class=\"token operator\">&#061;<\/span> <span class=\"token boolean\">false<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token keyword\">this<\/span><span class=\"token punctuation\">.<\/span>renderer<span class=\"token punctuation\">.<\/span>autoClearDepth <span class=\"token operator\">&#061;<\/span> <span class=\"token boolean\">false<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token keyword\">this<\/span><span class=\"token punctuation\">.<\/span>renderer<span class=\"token punctuation\">.<\/span>autoClearColor <span class=\"token operator\">&#061;<\/span> <span class=\"token boolean\">false<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token comment\">\/\/ this.renderer.autoClearStencil &#061; false;<\/span><\/p>\n<p>        <span class=\"token keyword\">let<\/span> originalSetRenderTarget <span class=\"token operator\">&#061;<\/span> <span class=\"token keyword\">this<\/span><span class=\"token punctuation\">.<\/span>renderer<span class=\"token punctuation\">.<\/span><span class=\"token function\">setRenderTarget<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">bind<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">this<\/span><span class=\"token punctuation\">.<\/span>renderer<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token keyword\">let<\/span> that <span class=\"token operator\">&#061;<\/span> <span class=\"token keyword\">this<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token keyword\">this<\/span><span class=\"token punctuation\">.<\/span>renderer<span class=\"token punctuation\">.<\/span><span class=\"token function-variable function\">setRenderTarget<\/span> <span class=\"token operator\">&#061;<\/span> <span class=\"token keyword\">function<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token parameter\">target<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n            <span class=\"token function\">originalSetRenderTarget<\/span><span class=\"token punctuation\">(<\/span>target<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>target <span class=\"token operator\">&#061;&#061;<\/span> <span class=\"token keyword\">null<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n                that<span class=\"token punctuation\">.<\/span><span class=\"token function\">bindRenderTarget<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token punctuation\">}<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>        <span class=\"token keyword\">this<\/span><span class=\"token punctuation\">.<\/span>scene <span class=\"token operator\">&#061;<\/span> <span class=\"token keyword\">new<\/span> <span class=\"token class-name\">THREE<span class=\"token punctuation\">.<\/span>Scene<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token comment\">\/\/ setup the camera<\/span><br \/>\n        <span class=\"token keyword\">let<\/span> cam <span class=\"token operator\">&#061;<\/span> <span class=\"token keyword\">this<\/span><span class=\"token punctuation\">.<\/span>camera<span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token keyword\">this<\/span><span class=\"token punctuation\">.<\/span>_camera <span class=\"token operator\">&#061;<\/span> <span class=\"token keyword\">new<\/span> <span class=\"token class-name\">THREE<span class=\"token punctuation\">.<\/span>PerspectiveCamera<\/span><span class=\"token punctuation\">(<\/span>cam<span class=\"token punctuation\">.<\/span>fovY<span class=\"token punctuation\">,<\/span> cam<span class=\"token punctuation\">.<\/span>aspect<span class=\"token punctuation\">,<\/span> cam<span class=\"token punctuation\">.<\/span>near<span class=\"token punctuation\">,<\/span> cam<span class=\"token punctuation\">.<\/span>far<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>        <span class=\"token comment\">\/\/ \u6dfb\u52a0\u5750\u6807\u8f74\u8f85\u52a9\u5de5\u5177<\/span><br \/>\n        <span class=\"token keyword\">const<\/span> axesHelper <span class=\"token operator\">&#061;<\/span> <span class=\"token keyword\">new<\/span> <span class=\"token class-name\">THREE<span class=\"token punctuation\">.<\/span>AxesHelper<\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">1<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        axesHelper<span class=\"token punctuation\">.<\/span>position<span class=\"token punctuation\">.<\/span><span class=\"token function\">copy<\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">1000000<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token number\">100000<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token number\">100000<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token keyword\">this<\/span><span class=\"token punctuation\">.<\/span>scene<span class=\"token punctuation\">.<\/span><span class=\"token function\">add<\/span><span class=\"token punctuation\">(<\/span>axesHelper<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>        <span class=\"token keyword\">let<\/span> grid <span class=\"token operator\">&#061;<\/span> <span class=\"token keyword\">new<\/span> <span class=\"token class-name\">THREE<span class=\"token punctuation\">.<\/span>GridHelper<\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">30<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token number\">10<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token number\">0xf0f0f0<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token number\">0xffffff<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token keyword\">this<\/span><span class=\"token punctuation\">.<\/span>scene<span class=\"token punctuation\">.<\/span><span class=\"token function\">add<\/span><span class=\"token punctuation\">(<\/span>grid<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>        <span class=\"token comment\">\/\/ setup scene lighting<\/span><br \/>\n        <span class=\"token keyword\">this<\/span><span class=\"token punctuation\">.<\/span>ambient <span class=\"token operator\">&#061;<\/span> <span class=\"token keyword\">new<\/span> <span class=\"token class-name\">THREE<span class=\"token punctuation\">.<\/span>AmbientLight<\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">0xffffff<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token number\">0.5<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token keyword\">this<\/span><span class=\"token punctuation\">.<\/span>scene<span class=\"token punctuation\">.<\/span><span class=\"token function\">add<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">this<\/span><span class=\"token punctuation\">.<\/span>ambient<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token keyword\">this<\/span><span class=\"token punctuation\">.<\/span>sun <span class=\"token operator\">&#061;<\/span> <span class=\"token keyword\">new<\/span> <span class=\"token class-name\">THREE<span class=\"token punctuation\">.<\/span>DirectionalLight<\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">0xffffff<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token number\">0.5<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token keyword\">this<\/span><span class=\"token punctuation\">.<\/span>sun<span class=\"token punctuation\">.<\/span>position<span class=\"token punctuation\">.<\/span><span class=\"token function\">set<\/span><span class=\"token punctuation\">(<\/span><span class=\"token operator\">&#8211;<\/span><span class=\"token number\">600<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token number\">300<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token number\">60000<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token keyword\">this<\/span><span class=\"token punctuation\">.<\/span>scene<span class=\"token punctuation\">.<\/span><span class=\"token function\">add<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">this<\/span><span class=\"token punctuation\">.<\/span>sun<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>        window<span class=\"token punctuation\">.<\/span>gltf <span class=\"token operator\">&#061;<\/span> <span class=\"token keyword\">null<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>        <span class=\"token keyword\">const<\/span> loader <span class=\"token operator\">&#061;<\/span> <span class=\"token keyword\">new<\/span> <span class=\"token class-name\">THREE<span class=\"token punctuation\">.<\/span>GLTFLoader<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        loader<span class=\"token punctuation\">.<\/span><span class=\"token function\">load<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#039;Horse.glb&#039;<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token keyword\">function<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token parameter\">gltf<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n            console<span class=\"token punctuation\">.<\/span><span class=\"token function\">log<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#039;gltf&#039;<\/span><span class=\"token punctuation\">,<\/span> gltf<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            gltf<span class=\"token punctuation\">.<\/span>scene<span class=\"token punctuation\">.<\/span>scale<span class=\"token punctuation\">.<\/span><span class=\"token function\">set<\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">10.8<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token number\">10.8<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token number\">10.8<\/span><span class=\"token punctuation\">)<\/span><br \/>\n            that<span class=\"token punctuation\">.<\/span>scene<span class=\"token punctuation\">.<\/span><span class=\"token function\">add<\/span><span class=\"token punctuation\">(<\/span>gltf<span class=\"token punctuation\">.<\/span>scene<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            gltf<span class=\"token punctuation\">.<\/span>scene<span class=\"token punctuation\">.<\/span>position<span class=\"token punctuation\">.<\/span><span class=\"token function\">set<\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">12956671.47026511<\/span><span class=\"token punctuation\">,<\/span><span class=\"token number\">4851275.366457126<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token number\">10<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            gltf<span class=\"token punctuation\">.<\/span>scene<span class=\"token punctuation\">.<\/span><span class=\"token function\">rotateX<\/span><span class=\"token punctuation\">(<\/span>Math<span class=\"token punctuation\">.<\/span><span class=\"token constant\">PI<\/span> <span class=\"token operator\">\/<\/span> <span class=\"token number\">2<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>            that<span class=\"token punctuation\">.<\/span>mixer <span class=\"token operator\">&#061;<\/span> <span class=\"token keyword\">new<\/span> <span class=\"token class-name\">THREE<span class=\"token punctuation\">.<\/span>AnimationMixer<\/span><span class=\"token punctuation\">(<\/span>gltf<span class=\"token punctuation\">.<\/span>scene<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token comment\">\/\/ obj.animations[0]&#xff1a;\u83b7\u5f97\u526a\u8f91\u5bf9\u8c61clip<\/span><br \/>\n            <span class=\"token keyword\">var<\/span> AnimationAction <span class=\"token operator\">&#061;<\/span> that<span class=\"token punctuation\">.<\/span>mixer<span class=\"token punctuation\">.<\/span><span class=\"token function\">clipAction<\/span><span class=\"token punctuation\">(<\/span>gltf<span class=\"token punctuation\">.<\/span>animations<span class=\"token punctuation\">[<\/span><span class=\"token number\">0<\/span><span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            window<span class=\"token punctuation\">.<\/span>gltf <span class=\"token operator\">&#061;<\/span> gltf<span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token comment\">\/\/ AnimationAction.timeScale &#061; 1; \/\/\u9ed8\u8ba41&#xff0c;\u53ef\u4ee5\u8c03\u8282\u64ad\u653e\u901f\u5ea6<\/span><br \/>\n            <span class=\"token comment\">\/\/ AnimationAction.loop &#061; THREE.LoopOnce; \/\/\u4e0d\u5faa\u73af\u64ad\u653e<\/span><br \/>\n            <span class=\"token comment\">\/\/ AnimationAction.clampWhenFinished &#061; true;\/\/\u6682\u505c\u5728\u6700\u540e\u4e00\u5e27\u64ad\u653e\u7684\u72b6\u6001<\/span><br \/>\n            AnimationAction<span class=\"token punctuation\">.<\/span><span class=\"token function\">play<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><span class=\"token comment\">\/\/\u64ad\u653e\u52a8\u753b<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>        <span class=\"token comment\">\/\/ this.getCoords(context);<\/span><br \/>\n        <span class=\"token keyword\">this<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">resetWebGLState<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">,<\/span><br \/>\n    <span class=\"token comment\">\/**<br \/>\n     * \u6e32\u67d3\u5668\u66f4\u65b0\u6e32\u67d3<br \/>\n     * &#064;memberof BuildingEffect<br \/>\n     * &#064;method render<br \/>\n     * &#064;param {Object} context \u5df2\u6709\u6e32\u67d3\u5668\u4fe1\u606f&#xff0c;\u65e0\u9700\u4f20\u503c<br \/>\n     *\/<\/span><br \/>\n    <span class=\"token function\">render<\/span><span class=\"token punctuation\">(<\/span><span class=\"token parameter\">context<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token keyword\">let<\/span> <span class=\"token constant\">THREE<\/span> <span class=\"token operator\">&#061;<\/span> window<span class=\"token punctuation\">.<\/span><span class=\"token constant\">THREE<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token keyword\">let<\/span> cam <span class=\"token operator\">&#061;<\/span> <span class=\"token keyword\">this<\/span><span class=\"token punctuation\">.<\/span>camera<span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token comment\">\/\/\u9700\u8981\u8c03\u6574\u76f8\u673a\u7684\u89c6\u89d2<\/span><br \/>\n        <span class=\"token keyword\">this<\/span><span class=\"token punctuation\">.<\/span>_camera<span class=\"token punctuation\">.<\/span>position<span class=\"token punctuation\">.<\/span><span class=\"token function\">set<\/span><span class=\"token punctuation\">(<\/span>cam<span class=\"token punctuation\">.<\/span>eye<span class=\"token punctuation\">[<\/span><span class=\"token number\">0<\/span><span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">,<\/span> cam<span class=\"token punctuation\">.<\/span>eye<span class=\"token punctuation\">[<\/span><span class=\"token number\">1<\/span><span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">,<\/span> cam<span class=\"token punctuation\">.<\/span>eye<span class=\"token punctuation\">[<\/span><span class=\"token number\">2<\/span><span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token keyword\">this<\/span><span class=\"token punctuation\">.<\/span>_camera<span class=\"token punctuation\">.<\/span>up<span class=\"token punctuation\">.<\/span><span class=\"token function\">set<\/span><span class=\"token punctuation\">(<\/span>cam<span class=\"token punctuation\">.<\/span>up<span class=\"token punctuation\">[<\/span><span class=\"token number\">0<\/span><span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">,<\/span> cam<span class=\"token punctuation\">.<\/span>up<span class=\"token punctuation\">[<\/span><span class=\"token number\">1<\/span><span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">,<\/span> cam<span class=\"token punctuation\">.<\/span>up<span class=\"token punctuation\">[<\/span><span class=\"token number\">2<\/span><span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token keyword\">this<\/span><span class=\"token punctuation\">.<\/span>_camera<span class=\"token punctuation\">.<\/span><span class=\"token function\">lookAt<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">new<\/span> <span class=\"token class-name\">THREE<span class=\"token punctuation\">.<\/span>Vector3<\/span><span class=\"token punctuation\">(<\/span>cam<span class=\"token punctuation\">.<\/span>center<span class=\"token punctuation\">[<\/span><span class=\"token number\">0<\/span><span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">,<\/span> cam<span class=\"token punctuation\">.<\/span>center<span class=\"token punctuation\">[<\/span><span class=\"token number\">1<\/span><span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">,<\/span> cam<span class=\"token punctuation\">.<\/span>center<span class=\"token punctuation\">[<\/span><span class=\"token number\">2<\/span><span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token comment\">\/\/ Projection matrix can be copied directly<\/span><br \/>\n        <span class=\"token keyword\">this<\/span><span class=\"token punctuation\">.<\/span>_camera<span class=\"token punctuation\">.<\/span>projectionMatrix<span class=\"token punctuation\">.<\/span><span class=\"token function\">fromArray<\/span><span class=\"token punctuation\">(<\/span>cam<span class=\"token punctuation\">.<\/span>projectionMatrix<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>        <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token keyword\">this<\/span><span class=\"token punctuation\">.<\/span>mixer <span class=\"token operator\">&amp;&amp;<\/span> <span class=\"token keyword\">this<\/span><span class=\"token punctuation\">.<\/span>mixer<span class=\"token punctuation\">.<\/span>update<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n            <span class=\"token comment\">\/\/ \u66f4\u65b0\u6df7\u5408\u5668\u76f8\u5173\u7684\u65f6\u95f4, clock.getDelta()\u65b9\u6cd5\u83b7\u5f97\u4e24\u5e27\u7684\u65f6\u95f4\u95f4\u9694<\/span><br \/>\n            <span class=\"token keyword\">this<\/span><span class=\"token punctuation\">.<\/span>mixer<span class=\"token punctuation\">.<\/span><span class=\"token function\">update<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">this<\/span><span class=\"token punctuation\">.<\/span>clock<span class=\"token punctuation\">.<\/span><span class=\"token function\">getDelta<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><br \/>\n        <span class=\"token keyword\">this<\/span><span class=\"token punctuation\">.<\/span>renderer<span class=\"token punctuation\">.<\/span>state<span class=\"token punctuation\">.<\/span><span class=\"token function\">reset<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>        <span class=\"token keyword\">this<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">bindRenderTarget<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>        <span class=\"token keyword\">this<\/span><span class=\"token punctuation\">.<\/span>renderer<span class=\"token punctuation\">.<\/span><span class=\"token function\">render<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">this<\/span><span class=\"token punctuation\">.<\/span>scene<span class=\"token punctuation\">,<\/span> <span class=\"token keyword\">this<\/span><span class=\"token punctuation\">.<\/span>_camera<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token comment\">\/\/ as we want to smoothly animate the ISS movement, immediately request a re-render<\/span><br \/>\n        <span class=\"token keyword\">this<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">requestRender<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>        <span class=\"token comment\">\/\/ cleanup<\/span><br \/>\n        <span class=\"token keyword\">this<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">resetWebGLState<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<h3>2.\u8c03\u7528RenderNode<\/h3>\n<p><span class=\"token operator\">&lt;<\/span><span class=\"token operator\">!<\/span><span class=\"token constant\">DOCTYPE<\/span> html<span class=\"token operator\">&gt;<\/span><br \/>\n<span class=\"token operator\">&lt;<\/span>html lang<span class=\"token operator\">&#061;<\/span><span class=\"token string\">&#034;en&#034;<\/span><span class=\"token operator\">&gt;<\/span><\/p>\n<p><span class=\"token operator\">&lt;<\/span>head<span class=\"token operator\">&gt;<\/span><br \/>\n    <span class=\"token operator\">&lt;<\/span>meta charset<span class=\"token operator\">&#061;<\/span><span class=\"token string\">&#034;UTF-8&#034;<\/span><span class=\"token operator\">&gt;<\/span><br \/>\n    <span class=\"token operator\">&lt;<\/span>meta http<span class=\"token operator\">&#8211;<\/span>equiv<span class=\"token operator\">&#061;<\/span><span class=\"token string\">&#034;X-UA-Compatible&#034;<\/span> content<span class=\"token operator\">&#061;<\/span><span class=\"token string\">&#034;IE&#061;edge&#034;<\/span><span class=\"token operator\">&gt;<\/span><br \/>\n    <span class=\"token operator\">&lt;<\/span>meta name<span class=\"token operator\">&#061;<\/span><span class=\"token string\">&#034;viewport&#034;<\/span> content<span class=\"token operator\">&#061;<\/span><span class=\"token string\">&#034;width&#061;device-width, initial-scale&#061;1.0&#034;<\/span><span class=\"token operator\">&gt;<\/span><br \/>\n    <span class=\"token operator\">&lt;<\/span>title<span class=\"token operator\">&gt;<\/span>Document<span class=\"token operator\">&lt;<\/span><span class=\"token operator\">\/<\/span>title<span class=\"token operator\">&gt;<\/span><br \/>\n    <span class=\"token operator\">&lt;<\/span>script src<span class=\"token operator\">&#061;<\/span><span class=\"token string\">&#034;.\/jquery\/jquery-1.12.3.min.js&#034;<\/span><span class=\"token operator\">&gt;<\/span><span class=\"token operator\">&lt;<\/span><span class=\"token operator\">\/<\/span>script<span class=\"token operator\">&gt;<\/span><br \/>\n    <span class=\"token operator\">&lt;<\/span>script src<span class=\"token operator\">&#061;<\/span><span class=\"token string\">&#034;.\/threejs\/three.min.js&#034;<\/span><span class=\"token operator\">&gt;<\/span><span class=\"token operator\">&lt;<\/span><span class=\"token operator\">\/<\/span>script<span class=\"token operator\">&gt;<\/span><br \/>\n    <span class=\"token operator\">&lt;<\/span>script src<span class=\"token operator\">&#061;<\/span><span class=\"token string\">&#034;.\/threejs\/GLTFLoader.js&#034;<\/span><span class=\"token operator\">&gt;<\/span><span class=\"token operator\">&lt;<\/span><span class=\"token operator\">\/<\/span>script<span class=\"token operator\">&gt;<\/span><br \/>\n    <span class=\"token operator\">&lt;<\/span>script src<span class=\"token operator\">&#061;<\/span><span class=\"token string\">&#034;.\/renderNodeClass.js&#034;<\/span><span class=\"token operator\">&gt;<\/span><span class=\"token operator\">&lt;<\/span><span class=\"token operator\">\/<\/span>script<span class=\"token operator\">&gt;<\/span><\/p>\n<p>    <span class=\"token operator\">&lt;<\/span>link rel<span class=\"token operator\">&#061;<\/span><span class=\"token string\">&#034;stylesheet&#034;<\/span> href<span class=\"token operator\">&#061;<\/span><span class=\"token string\">&#034;https:\/\/js.arcgis.com\/4.32\/esri\/themes\/light\/main.css&#034;<\/span> <span class=\"token operator\">\/<\/span><span class=\"token operator\">&gt;<\/span><br \/>\n    <span class=\"token operator\">&lt;<\/span>script src<span class=\"token operator\">&#061;<\/span><span class=\"token string\">&#034;https:\/\/js.arcgis.com\/4.32\/&#034;<\/span><span class=\"token operator\">&gt;<\/span><span class=\"token operator\">&lt;<\/span><span class=\"token operator\">\/<\/span>script<span class=\"token operator\">&gt;<\/span><br \/>\n    <span class=\"token operator\">&lt;<\/span>style<span class=\"token operator\">&gt;<\/span><br \/>\n        body<span class=\"token punctuation\">,<\/span><br \/>\n        html<span class=\"token punctuation\">,<\/span><br \/>\n        #viewDiv <span class=\"token punctuation\">{<\/span><br \/>\n            <span class=\"token literal-property property\">padding<\/span><span class=\"token operator\">:<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token literal-property property\">margin<\/span><span class=\"token operator\">:<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token literal-property property\">height<\/span><span class=\"token operator\">:<\/span> <span class=\"token number\">100<\/span><span class=\"token operator\">%<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token literal-property property\">width<\/span><span class=\"token operator\">:<\/span> <span class=\"token number\">100<\/span><span class=\"token operator\">%<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><br \/>\n    <span class=\"token operator\">&lt;<\/span><span class=\"token operator\">\/<\/span>style<span class=\"token operator\">&gt;<\/span><\/p>\n<p><span class=\"token operator\">&lt;<\/span><span class=\"token operator\">\/<\/span>script<span class=\"token operator\">&gt;<\/span><br \/>\n    <span class=\"token operator\">&lt;<\/span>script<span class=\"token operator\">&gt;<\/span><br \/>\n        <span class=\"token function\">require<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">[<\/span><br \/>\n            <span class=\"token string\">&#039;esri\/Map&#039;<\/span><span class=\"token punctuation\">,<\/span><br \/>\n            <span class=\"token string\">&#039;esri\/views\/SceneView&#039;<\/span><span class=\"token punctuation\">,<\/span><br \/>\n            <span class=\"token string\">&#034;esri\/geometry\/Mesh&#034;<\/span><span class=\"token punctuation\">,<\/span><br \/>\n            <span class=\"token string\">&#034;esri\/Graphic&#034;<\/span><span class=\"token punctuation\">,<\/span><br \/>\n            <span class=\"token string\">&#034;esri\/geometry\/Point&#034;<\/span><span class=\"token punctuation\">,<\/span><br \/>\n            <span class=\"token string\">&#034;esri\/geometry\/Polyline&#034;<\/span><span class=\"token punctuation\">,<\/span><br \/>\n            <span class=\"token string\">&#034;esri\/layers\/GraphicsLayer&#034;<\/span><span class=\"token punctuation\">,<\/span><br \/>\n            <span class=\"token string\">&#034;esri\/geometry\/operators\/densifyOperator&#034;<\/span><span class=\"token punctuation\">,<\/span><br \/>\n            <span class=\"token string\">&#034;esri\/Camera&#034;<\/span><span class=\"token punctuation\">,<\/span><br \/>\n            <span class=\"token string\">&#034;esri\/views\/3d\/webgl\/RenderNode&#034;<\/span><span class=\"token punctuation\">,<\/span><br \/>\n            <span class=\"token string\">&#034;esri\/views\/3d\/webgl&#034;<\/span><br \/>\n        <span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token parameter\">Map<span class=\"token punctuation\">,<\/span> SceneView<span class=\"token punctuation\">,<\/span> Mesh<span class=\"token punctuation\">,<\/span> Graphic<span class=\"token punctuation\">,<\/span> Point<span class=\"token punctuation\">,<\/span> Polyline<span class=\"token punctuation\">,<\/span> GraphicsLayer<span class=\"token punctuation\">,<\/span> densifyOperator<span class=\"token punctuation\">,<\/span> Camera<span class=\"token punctuation\">,<\/span> RenderNode<span class=\"token punctuation\">,<\/span>webgl<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token operator\">&#061;&gt;<\/span> <span class=\"token punctuation\">{<\/span><\/p>\n<p>            <span class=\"token keyword\">let<\/span> graphicLayer <span class=\"token operator\">&#061;<\/span> <span class=\"token keyword\">new<\/span> <span class=\"token class-name\">GraphicsLayer<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token keyword\">let<\/span> map <span class=\"token operator\">&#061;<\/span> <span class=\"token keyword\">new<\/span> <span class=\"token class-name\">Map<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">{<\/span><br \/>\n                <span class=\"token literal-property property\">layers<\/span><span class=\"token operator\">:<\/span> <span class=\"token punctuation\">[<\/span>graphicLayer<span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">,<\/span><br \/>\n                <span class=\"token literal-property property\">basemap<\/span><span class=\"token operator\">:<\/span> <span class=\"token string\">&#039;satellite&#039;<\/span><br \/>\n            <span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">)<\/span><\/p>\n<p>            <span class=\"token keyword\">let<\/span> view <span class=\"token operator\">&#061;<\/span> <span class=\"token keyword\">new<\/span> <span class=\"token class-name\">SceneView<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">{<\/span><br \/>\n                <span class=\"token literal-property property\">container<\/span><span class=\"token operator\">:<\/span> <span class=\"token string\">&#039;viewDiv&#039;<\/span><span class=\"token punctuation\">,<\/span><br \/>\n                <span class=\"token literal-property property\">viewingMode<\/span><span class=\"token operator\">:<\/span><span class=\"token string\">&#039;local&#039;<\/span><span class=\"token punctuation\">,<\/span><br \/>\n                map<span class=\"token punctuation\">,<\/span><br \/>\n                <span class=\"token literal-property property\">camera<\/span><span class=\"token operator\">:<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n                    <span class=\"token literal-property property\">heading<\/span><span class=\"token operator\">:<\/span> <span class=\"token number\">46.490512697555566<\/span><span class=\"token punctuation\">,<\/span><br \/>\n                    <span class=\"token literal-property property\">tilt<\/span><span class=\"token operator\">:<\/span> <span class=\"token number\">65.03077172871896<\/span><span class=\"token punctuation\">,<\/span><br \/>\n                    <span class=\"token literal-property property\">position<\/span><span class=\"token operator\">:<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n                        <span class=\"token comment\">\/\/ longitude: 116.37280650987242,<\/span><br \/>\n                        <span class=\"token comment\">\/\/ latitude: 39.88099012247863,<\/span><br \/>\n                        <span class=\"token literal-property property\">x<\/span><span class=\"token operator\">:<\/span> <span class=\"token number\">12956520.797315104<\/span><span class=\"token punctuation\">,<\/span><br \/>\n                        <span class=\"token literal-property property\">y<\/span><span class=\"token operator\">:<\/span> <span class=\"token number\">4851088.587867753<\/span><span class=\"token punctuation\">,<\/span><br \/>\n                        <span class=\"token literal-property property\">z<\/span><span class=\"token operator\">:<\/span> <span class=\"token number\">127.55169651366651<\/span><span class=\"token punctuation\">,<\/span><br \/>\n                        <span class=\"token literal-property property\">spatialReference<\/span><span class=\"token operator\">:<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n                            <span class=\"token literal-property property\">wkid<\/span><span class=\"token operator\">:<\/span> <span class=\"token number\">102100<\/span><br \/>\n                        <span class=\"token punctuation\">}<\/span><br \/>\n                    <span class=\"token punctuation\">}<\/span><br \/>\n                <span class=\"token punctuation\">}<\/span><br \/>\n            <span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">)<\/span><\/p>\n<p>            <span class=\"token keyword\">let<\/span> subRenderClass <span class=\"token operator\">&#061;<\/span> RenderNode<span class=\"token punctuation\">.<\/span><span class=\"token function\">createSubclass<\/span><span class=\"token punctuation\">(<\/span>RenderNodeClass<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            view<span class=\"token punctuation\">.<\/span><span class=\"token function\">when<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">function<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">{<\/span><br \/>\n                <span class=\"token keyword\">new<\/span> <span class=\"token class-name\">subRenderClass<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">{<\/span><br \/>\n                    view<span class=\"token punctuation\">,<\/span><br \/>\n                    webgl<br \/>\n                <span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">)<\/span><br \/>\n            <span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">)<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token operator\">&lt;<\/span><span class=\"token operator\">\/<\/span>script<span class=\"token operator\">&gt;<\/span><br \/>\n<span class=\"token operator\">&lt;<\/span><span class=\"token operator\">\/<\/span>head<span class=\"token operator\">&gt;<\/span><\/p>\n<p><span class=\"token operator\">&lt;<\/span>body<span class=\"token operator\">&gt;<\/span><br \/>\n    <span class=\"token operator\">&lt;<\/span>div id<span class=\"token operator\">&#061;<\/span><span class=\"token string\">&#034;viewDiv&#034;<\/span><span class=\"token operator\">&gt;<\/span><br \/>\n    <span class=\"token operator\">&lt;<\/span><span class=\"token operator\">\/<\/span>div<span class=\"token operator\">&gt;<\/span><br \/>\n<span class=\"token operator\">&lt;<\/span><span class=\"token operator\">\/<\/span>body<span class=\"token operator\">&gt;<\/span><\/p>\n<p><span class=\"token operator\">&lt;<\/span><span class=\"token operator\">\/<\/span>html<span class=\"token operator\">&gt;<\/span><\/p>\n<h3>3\u3001\u7ed3\u679c<\/h3>\n<p><img decoding=\"async\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2025\/05\/20250507075216-681b1130ea171.gif\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \/> 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