{"id":14691,"date":"2024-02-05T16:45:31","date_gmt":"2024-02-05T13:15:31","guid":{"rendered":"https:\/\/www.itpiran.net\/blog\/?p=14691"},"modified":"2024-02-17T10:37:20","modified_gmt":"2024-02-17T07:07:20","slug":"threejs-%da%86%db%8c%d8%b3%d8%aa%d8%9f","status":"publish","type":"post","link":"https:\/\/www.itpiran.net\/blog\/zh\/tutorials\/threejs-%da%86%db%8c%d8%b3%d8%aa%d8%9f\/","title":{"rendered":"Three.js\u662f\u4ec0\u4e48\uff1f"},"content":{"rendered":"<h2 id=\"%d9%85%d9%82%d8%af%d9%85%d9%87\">\u4ecb\u7ecd<\/h2>\n<p>Three.js \u7684\u529f\u80fd\u975e\u5e38\u5f3a\u5927\uff0c\u5b83\u4e0e\u5176\u4ed6 3D \u9886\u57df\u7684\u5173\u8054\u6027\u6709\u65f6\u4ee4\u4eba\u56f0\u60d1\u3002\u5b83\u7684\u5e94\u7528\u8303\u56f4\u4e5f\u5728\u4e0d\u65ad\u53d1\u5c55\uff0c\u56e0\u6b64\u5f88\u96be\u6982\u62ec\uff0c\u800c\u4e14\u8fd9\u4e9b\u89c2\u5bdf\u7ed3\u679c\u4e5f\u5e26\u6709\u4e3b\u89c2\u6027\u3002.<\/p>\n<h2 id=\"%da%a9%d8%aa%d8%a7%d8%a8%d8%ae%d8%a7%d9%86%d9%87-%d8%b3%d9%87-%d8%a8%d8%b9%d8%af%db%8c-%d8%ac%d8%a7%d9%88%d8%a7-%d8%a7%d8%b3%da%a9%d8%b1%db%8c%d9%be%d8%aa\">JavaScript 3D \u5e93<\/h2>\n<p>\u8be5\u9879\u76ee\u7684\u76ee\u6807\u662f\u521b\u5efa\u4e00\u4e2a\u8f7b\u91cf\u7ea7\u3001\u6613\u4e8e\u4f7f\u7528\u76843D\u5e93\u3002\u8be5\u5e93\u63d0\u4f9b\u6e32\u67d3\u529f\u80fd\u3002 \uff0c CSS3D \u548c WebGL\u3002.<\/p>\n<p>\u8fd9\u662f\u6765\u81ea GitHub \u4ee3\u7801\u5e93\u7684\u5b98\u65b9\u63cf\u8ff0\u3002\u5b83\u786e\u5b9e\u6982\u62ec\u5f97\u76f8\u5f53\u4e0d\u9519\uff0c\u4f46\u8fd9\u53e5\u8bdd\u4e2d\u7684\u6bcf\u4e2a\u4e3b\u9898\u672c\u8eab\u90fd\u662f\u4e00\u4e2a\u5f88\u5927\u7684\u8bdd\u9898\uff0c\u800c three.js \u7684\u529f\u80fd\u8fdc\u4e0d\u6b62\u4e8e\u6b64\u3002.<\/p>\n<p>\u8fd9\u4e2a\u5e93\u672c\u8eab\u662f\u7528 JavaScript \u7f16\u5199\u7684\uff0c\u65e8\u5728\u7528\u4e8e JavaScript 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\u7684\u542b\u4e49\u975e\u5e38\u5e7f\u6cdb\u3002\u5728\u5927\u591a\u6570\u60c5\u51b5\u4e0b\uff0c\u6211\u4eec\u60f3\u5230\u7684\u662f\u201c\u56fe\u5f62\u201d\u3002.<\/p>\n<p>\u6211\u4eec\u770b\u5230\u7684\u5927\u591a\u6570 three.js \u9879\u76ee\u90fd\u6d89\u53ca\u5b9e\u65f6 3D \u56fe\u5f62\uff0c\u7528\u6237\u4ea4\u4e92\u4f1a\u4ea7\u751f\u5373\u65f6\u7684\u89c6\u89c9\u53cd\u9988\u3002\u5176\u4ed6\u7c7b\u578b\u7684 3D \u56fe\u5f62\u8981\u4e48\u662f\u7535\u5f71\u4e2d\u7684\u5404\u79cd\u7279\u6548\u6216\u4eba\u5de5\u89d2\u8272\uff0c\u8981\u4e48\u662f\u4f60\u5728\u5370\u5237\u54c1\u6216\u7f51\u7edc\u76ee\u5f55\u4e2d\u53ef\u80fd\u770b\u5230\u7684\u5404\u79cd\u00ab\u6e32\u67d3\u56fe\u00bb\uff08\u4f8b\u5982\uff0c\u5b9c\u5bb6\u7684\u7f51\u7ad9\u5145\u6ee1\u4e86 3D \u56fe\u5f62\uff0c\u56e0\u4e3a\u4ed6\u4eec\u6240\u6709\u7684\u4ea7\u54c1\u7167\u7247\u90fd\u662f\u8ba1\u7b97\u673a\u751f\u6210\u7684\uff09\u3002.<\/p>\n<p>\u6240\u6709\u8fd9\u4e9b\u5185\u5bb9\u7684\u4e00\u4e2a\u5b50\u96c6\u662f 3D \u6570\u5b66\u3002\u6ca1\u6709\u6570\u5b66\uff0c\u5c31\u65e0\u6cd5\u5b9e\u73b0 3D \u56fe\u5f62\uff0c\u800c\u8ba1\u7b97\u673a\u8bed\u8a00\u9ed8\u8ba4\u60c5\u51b5\u4e0b\u5e76\u4e0d\u7406\u89e3 3D \u6982\u5ff5\u3002\u8fd9\u65f6\u5c31\u9700\u8981\u7528\u5230\u5e93\uff0c\u5b83\u62bd\u8c61\u51fa\u8fd9\u4e9b\u6570\u5b66\u8fd0\u7b97\uff0c\u53ef\u80fd\u8fd8\u4f1a\u5bf9\u5176\u8fdb\u884c\u4f18\u5316\uff0c\u5e76\u63d0\u4f9b\u50cf Matrix4 \u6216 .dot() \u8fd9\u6837\u7684\u9ad8\u7ea7\u63a5\u53e3\u3002.<\/p>\n<p>Three.js \u81ea\u5e26\u6570\u5b66\u5e93\uff0c\u5176\u4e2d\u5305\u542b\u4e13\u95e8\u7528\u4e8e 3D \u6570\u5b66\u7684\u7c7b\u3002\u867d\u7136\u4e5f\u6709\u4e13\u95e8\u5904\u7406\u8fd9\u7c7b\u6570\u5b66\u8fd0\u7b97\u7684\u72ec\u7acb\u5e93\uff0c\u4f46\u5728 Three.js \u4e2d\uff0c\u5b83\u53ea\u662f\u4e00\u4e2a\u66f4\u5927\u7cfb\u7edf\u7684\u4e00\u4e2a\u5b50\u96c6\u3002.<\/p>\n<p>\u6e32\u67d3\u662f\u8be5\u5e93\u7684\u53e6\u4e00\u9879\u91cd\u8981\u804c\u8d23\uff0c\u4f46\u8fd9\u91cc\u7684\u60c5\u51b5\u4e5f\u6bd4\u8f83\u590d\u6742\u3002WebGL \u975e\u5e38\u7279\u6b8a\uff0c\u4e0e\u5176\u4ed6\u6280\u672f\u622a\u7136\u4e0d\u540c\u3002.<\/p>\n<p>\u4f7f\u7528 canvas\u3001svg \u548c css \u65f6\uff0c\u6e32\u67d3\u7684\u8d23\u4efb\u5b8c\u5168\u5728\u4e8e 3D\u3002\u8fd9\u4e9b API \u6709\u8bb8\u591a\u7528\u4e8e\u7ed8\u5236\u975e 3D \u56fe\u5f62\u7684\u5e93\uff0c\u6216\u8005\u9ed8\u8ba4\u60c5\u51b5\u4e0b\u5c31\u80fd\u591f\u7ed8\u5236\u975e 3D \u56fe\u5f62\uff08css \u7ed8\u5236 2D \u77e9\u5f62\uff0ccanvas \u7ed8\u5236\u5404\u79cd 2D \u5f62\u72b6\uff09\uff0c\u4f46\u5b83\u4eec\u9700\u8981\u4e00\u4e9b\u6280\u5de7\u548c 3D \u6570\u5b66\u8fd0\u7b97\u624d\u80fd\u771f\u6b63\u5b9e\u73b0 3D \u6e32\u67d3\u3002.<\/p>\n<p>\u8fd9\u79cd\u795e\u5947\u4e4b\u5904\u4e3b\u8981\u4f53\u73b0\u5728\u754c\u9762\u62bd\u8c61\u4e0a\u3002\u4f8b\u5982\uff0c\u7ba1\u7406\u5143\u7d20\u76843D\u72b6\u6001\u3002 &lt;div&gt; \u901a\u8fc7 CSS \u8f6c\u6362\u4e3a 3D \u975e\u5e38\u56f0\u96be\u3002\u8981\u8ba9 Canvas API \u7ed8\u5236\u51fa\u7c7b\u4f3c 3D \u7684\u6548\u679c\uff0c\u9700\u8981\u5927\u91cf\u7684\u903b\u8f91\u3002WebGL \u5219\u8981\u590d\u6742\u5f97\u591a\u3002.<\/p>\n<p>Three \u5c06\u6240\u6709\u8fd9\u4e9b API \u62bd\u8c61\u6210\u50cf render() \u8fd9\u6837\u7b80\u5355\u7684\u4e1c\u897f\uff0c\u4f46\u8981\u505a\u5230\u8fd9\u4e00\u70b9\uff0c\u5b83\u9700\u8981\u5bf9\u201c3D \u4e16\u754c\u201d\u8fdb\u884c\u901a\u7528\u8868\u793a\u3002.<\/p>\n<h2 id=\"%d9%86%d9%85%d9%88%d8%af%d8%a7%d8%b1-%d8%b5%d8%ad%d9%86%d9%87\">\u573a\u666f\u56fe<\/h2>\n<p>\u5728 three.js \u4e2d\uff0c\u6709\u4e00\u4e2a\u533a\u57df\u4e13\u95e8\u7528\u4e8e\u62bd\u8c61\u00ab3D \u4e16\u754c\u00bb\u3002\u573a\u666f\u56fe\u662f\u4e00\u79cd\u6570\u636e\u7ed3\u6784\uff0c\u7528\u4e8e\u63cf\u8ff0\u67d0\u4e2a 3D \u573a\u666f\uff08\u4e16\u754c\uff09\u4e2d\u7684\u5bf9\u8c61\u4e4b\u95f4\u7684\u5173\u7cfb\u3002\u5b83\u5b9e\u9645\u4e0a\u4e0d\u4e00\u5b9a\u662f 3D \u7684\uff0c\u56e0\u4e3a\u8fd9\u662f\u4e00\u79cd\u63cf\u8ff0\u4efb\u4f55\u77e2\u91cf\u56fe\u5f62\u5c42\u6b21\u7ed3\u6784\u7684\u4fbf\u6377\u65b9\u5f0f\u3002\u66f4\u5177\u4f53\u5730\u8bf4\uff0c\u5b83\u662f\u4e00\u4e2a\u4ece\u201c\u8282\u70b9\u201d\u5411\u5916\u5ef6\u4f38\u7684\u201c\u6811\u201d\uff0c\u5176\u201c\u6839\u8282\u70b9\u201d\u662f\u5206\u652f\u8282\u70b9\u3002\u5728 three.js \u4e2d\uff0c\u8fd9\u79cd\u6570\u636e\u7ed3\u6784\u7684\u57fa\u7c7b\u662f Object3D\u3002.<\/p>\n<p>\u8fd9\u51e0\u4e4e\u4e0e DOM \u6811\u5b8c\u5168\u76f8\u540c\u3002THREE.Scene \u4e5f\u7c7b\u4f3c\u3002 &lt;body&gt; \u5c06\u4f1a\u662f\uff0c\u800c\u5176\u4ed6\u4e00\u5207\u90fd\u662f\u5206\u652f\u3002\u5728 DOM \u4e2d\uff0c\u6211\u4eec\u53ef\u4ee5\u653e\u7f6e\u7269\u4f53\uff0c\u4f46\u8fd9\u4e9b\u64cd\u4f5c\u76f8\u5bf9\u6709\u9650\u3002\u65cb\u8f6c\u901a\u5e38\u56f4\u7ed5\u4e00\u4e2a\u8f74\u8fdb\u884c\uff0c\u6211\u4eec\u53ea\u80fd\u5de6\u53f3\u6216\u4e0a\u4e0b\u79fb\u52a8\u7269\u4f53\u3002\u5728 3D \u573a\u666f\u56fe\u4e2d\uff0c\u6211\u4eec\u62e5\u6709\u66f4\u591a\u7684\u81ea\u7531\u5ea6\u3002.<\/p>\n<p>\u573a\u666f\u4e09\u66f4\u50cf\u662f\u4e00\u4e2a\u865a\u62df DOM\u3002\u6211\u4eec\u5728\u8fd9\u4e2a\u6811\u4e0a\u6267\u884c\u64cd\u4f5c\u5e76\u8bbe\u7f6e\u72b6\u6001\uff0c\u5f53\u6211\u4eec\u9700\u8981\u8be5\u72b6\u6001\u7684\u89c6\u89c9\u5feb\u7167\u65f6\uff08\u4f8b\u5982\u5728\u8fde\u7eed\u5faa\u73af\u4e2d\uff0c\u6216\u7528\u6237\u4ea4\u4e92\/\u72b6\u6001\u66f4\u6539\u65f6\uff09\uff0c\u6211\u4eec\u4f1a\u8c03\u7528 render(scene)\u3002\u5f53\u67d0\u4e9b\u5185\u5bb9\u53d1\u751f\u53d8\u5316\u65f6\uff0c\u6211\u4eec\u4e0d\u5e0c\u671b\u66f4\u65b0\u6574\u4e2a DOM \u6811\uff0c\u800c\u5bf9\u4e8e\u5143\u7d20\u6765\u8bf4\uff0c\u5219\u65e0\u9700\u66f4\u65b0\u6574\u4e2a DOM \u6811\u3002\u5373\u4f7f\u53ea\u6709\u4e00\u4e2a\u5143\u7d20\u6539\u53d8\u4e86\u4f4d\u7f6e\uff0c\u6211\u4eec\u4e5f\u5fc5\u987b\u6e05\u9664\u6574\u4e2a\u89c6\u56fe\uff0c\u7136\u540e\u91cd\u65b0\u7ed8\u5236\u6240\u6709\u5185\u5bb9\u3002.<\/p>\n<p>\u4e00 &lt;div&gt; \u4e00 &lt;div&gt; \u7c7b\u4f3c\u4e8e\u7236\u5b50\u5173\u7cfb `THREE.Mesh(&amp;#039;sun&amp;#039;)-&amp;gt;THREE.Mesh(&amp;#039;earth&amp;#039;)`\u3002CSS \u89c4\u5219\u53ef\u4ee5\u7c7b\u4f3c\u4e8e `THREE.Material`\uff0c\u4f8b\u5982\uff0c`color:&amp;#039;red&amp;#039;` \u8fd9\u6837\u7684\u63cf\u8ff0\u4f1a\u4f7f\u7269\u4f53\u53d8\u4e3a\u7ea2\u8272\u3002\u6700\u540e\uff0c\u8c03\u7528 `threeRenderer.render(scene)` \u53ef\u4ee5\u7c7b\u4f3c\u4e8e\u6d4f\u89c8\u5668\u52a0\u8f7d\u5e26\u6709 CSS \u89c4\u5219\u7684 HTML \u9875\u9762\u3002.<\/p>\n<p>Mesh\u3001Scene\u3001Camera \u548c Light \u90fd\u662f\u8fd9\u4e2a\u901a\u7528\u7c7b\u7684\u5b50\u7c7b\u3002\u6b63\u662f\u7531\u4e8e\u8fd9\u4e2a\u901a\u7528\u7c7b\u7684\u5b58\u5728\uff0c\u4f60\u624d\u80fd\u5411\u201cscene\u201d\u4e2d\u6dfb\u52a0\u4e00\u4e2a\u201c\u76d2\u5b50\u201d\uff0c\u6216\u8005\u5411\u201ccamera\u201d\u4e2d\u6dfb\u52a0\u4e00\u4e2a\u201c\u5149\u6e90\u201d\u3002.<\/p>\n<p>\u4e00\u4e2a\u7b80\u5355\u7684\u7ed3\u6784\u53ef\u4ee5\u975e\u5e38\u6241\u5e73\u3002\u6839\u8282\u70b9\u53ef\u4ee5\u770b\u4f5c\u662f\u201c\u4e16\u754c\u201d\uff0c\u5b83\u53ef\u4ee5\u6709\u201c\u5730\u9762\u201d\u3001\u201c\u623f\u5b50\u201d\u3001\u201c\u592a\u9633\u201d\u548c\u201c\u76f8\u673a\u201d\u7b49\u5b50\u8282\u70b9\u3002.<\/p>\n<div class=\"hcb_wrap\" data-no-translation=\"\" data-no-auto-translation=\"\">\n<pre class=\"prism line-numbers lang-js\" data-lang=\"JavaScript\"><code>THREE.Scene('world')\r\n|-THREE.Mesh('ground')\r\n|-THREE.Mesh('house')\r\n|-THREE.Light('sun')\r\n|-THREE.Camera('main')<\/code><\/pre>\n<\/div>\n<p>\u8fd9\u4e9b\u4fe1\u606f\u8db3\u4ee5\u8f93\u5165\u6e32\u67d3\u5668\u4ee5\u83b7\u5f97\u89c6\u89c9\u6548\u679c\u3002\u5bf9\u4e8e\u67d0\u4e9b\u573a\u666f\uff0c\u5b58\u5728\u4e24\u4e2a\u7f51\u683c\u5206\u522b\u4ee3\u8868\u4e0d\u540c\u7684\u5bf9\u8c61\uff1a\u5730\u9762\u548c\u5c71\u5761\u4e0a\u7684\u623f\u5c4b\u3002\u5149\u6e90\u5b9a\u4e49\u4e86\u5b83\u4eec\u7684\u7167\u660e\u65b9\u5f0f\uff08\u65e9\u6668\u3001\u4e2d\u5348\u6216\u95ea\u5149\u706f\uff09\uff0c\u800c\u7269\u4f53\uff08\u6444\u50cf\u673a\uff09\u5219\u5b9a\u4e49\u4e86\u6211\u4eec\u7684\u89c6\u89d2\uff0c\u5373\u6211\u4eec\u5bf9\u4e16\u754c\u7684\u611f\u77e5\u3002.<\/p>\n<p>\u7ed3\u679c\u53ef\u80fd\u4f1a\u6709\u6240\u4e0d\u540c\uff0c\u4f8b\u5982 CSS \u4ec5\u9650\u4e8e\u975e\u5e38\u8f7b\u91cf\u7684\u6e32\u67d3\uff0c\u800c WebGL \u53ef\u4ee5\u63d0\u4f9b\u9634\u5f71\u548c\u901a\u5e38\u8f83\u9ad8\u7684\u4fdd\u771f\u5ea6\u3002.<\/p>\n<p>\u901a\u8fc7\u8fd9\u79cd\u7ed3\u6784\uff0c\u6211\u4eec\u53ef\u4ee5\u7ba1\u7406 3D \u4e16\u754c\u3002\u5982\u679c\u6211\u4eec\u60f3\u6a21\u62df\u4e0d\u540c\u5b63\u8282\u65e5\u5149\u5bf9\u623f\u5c4b\u7684\u5f71\u54cd\uff0c\u5c31\u53ef\u4ee5\u901a\u8fc7\u7f16\u7a0b\u65b9\u5f0f\u6539\u53d8\u4e16\u754c\u4e2d\u5149\u6e90\u7684\u4f4d\u7f6e\u548c\u65b9\u5411\u3002\u573a\u666f\u56fe\u7684\u4f5c\u7528\u662f\u63d0\u4f9b\u8fd9\u4e2a\u201c\u4f4d\u7f6e\u201d\u63a5\u53e3\uff0c\u4f46\u8981\u771f\u6b63\u5b9e\u73b0\u52a8\u753b\u6548\u679c\uff0c\u5219\u9700\u8981\u81ea\u884c\u5b9e\u73b0\u903b\u8f91\u3002\u4f7f\u7528 three.js \u53ca\u5176\u201c\u8865\u95f4\u52a8\u753b\u201d\u5e93\u662f\u5b9e\u73b0 3D \u573a\u666f\u52a8\u753b\u7684\u7b80\u5355\u65b9\u6cd5\u3002.<\/p>\n<p>\u8fd9\u4e00\u5207\u53ef\u80fd\u90fd\u53ea\u662f\u7406\u8bba\u4e0a\u7684\uff0c\u4f60\u6216\u8bb8\u65e0\u6cd5\u968f\u610f\u66f4\u6539\u573a\u666f\u6e32\u67d3\u3002\u4f46\u8fd9\u4e3b\u8981\u662f\u7531\u4e8e&ldquo;\u6750\u8d28&rdquo;\u4e0e\u573a\u666f\u56fe\u7684\u91cd\u53e0\u4ee5\u53ca\u5b83\u4eec\u4e0e\u6e32\u67d3\u7684\u8026\u5408\u9020\u6210\u7684\u3002\u4f8b\u5982\uff0c\u4f60\u65e0\u6cd5\u5bf9\u4e00\u4e2a\u573a\u666f\u8fdb\u884c\u7740\u8272\u3002 &lt;div&gt; \u6216\u8005\u5b83\u770b\u8d77\u6765\u4e0d\u50cf\u91d1\u5c5e\uff0c\u800c WebGL \u6750\u8d28\u53ef\u4ee5\u63cf\u8ff0\u91d1\u5c5e\uff0c\u4f46\u5b83\u53ef\u4ee5\u53d8\u6210\u7ea2\u8272\uff0c\u800c\u6240\u6709\u6750\u8d28\u90fd\u53ef\u4ee5\u505a\u5230\u8fd9\u4e00\u70b9\u3002.<\/p>\n<p>\u4ece\u672c\u8d28\u4e0a\u8bb2\uff0cObject3D \u4ecd\u7136\u662f\u901a\u7528\u7684\uff0c\u8282\u70b9\u4e4b\u95f4\u7684\u7a7a\u95f4\u548c\u5c42\u6b21\u5173\u7cfb\u662f\u901a\u8fc7\u201c\u573a\u666f\u56fe\u201d\u6765\u63cf\u8ff0\u7684\u3002.<\/p>\n<p>\u7b80\u5355\u6765\u8bf4\uff0c\u8fd9\u662f\u591a\u6b21\u8c03\u7528 scene.add(my_foo) \u540e\u6700\u7ec8\u5f97\u5230\u7684\u573a\u666f\u53d8\u91cf\u3002.<\/p>\n<h2 id=\"b275\" class=\"pi nx gr be ny pj pk pl ob pm pn po oe pp pq pr ps pt pu pv pw px py pz qa qb bj\"><span id=\"webgl\">WebGL<\/span><\/h2>\n<p>WebGL \u975e\u5e38\u7279\u6b8a\uff0c\u53ef\u80fd\u5728 99% \u7684\u73b0\u6709 three.js \u5e94\u7528\u4e2d\u90fd\u4f7f\u7528\u3002\u8fd9\u662f\u4e00\u4e2a\u5f88\u5927\u7684\u8bdd\u9898\uff0c\u6240\u4ee5\u6216\u8bb8\u5e94\u8be5\u5148\u5feb\u901f\u4e86\u89e3\u4e00\u4e0b\u5176\u4ed6\u66ff\u4ee3\u65b9\u6848\u3002.<\/p>\n<h2 id=\"2431\" class=\"nw nx gr be ny nz oa dx ob oc od dz oe mt of og oh mx oi oj ok nb ol om on oo bj\" data-selectable-paragraph=\"\"><span id=\"canvas-css-svg\">canvas\u3001css\u3001svg<\/span><\/h2>\n<p>\u8fd9\u4e9b\u90fd\u662fAPI\uff08\u5e94\u7528\u7a0b\u5e8f\u63a5\u53e3\uff09\u3002\u7a0b\u5e8f\u5458\u53ef\u4ee5\u4f7f\u7528API\u63a5\u53e3\u6765\u544a\u8bc9\u6d4f\u89c8\u5668\u7ed8\u5236\u7279\u5b9a\u7684\u5185\u5bb9\u3002CSS\u662fWeb\u4e0a\u6700\u5e38\u7528\u7684\u63a5\u53e3\uff0c\u56e0\u4e3a\u5982\u679c\u6ca1\u6709\u5b83\uff0c\u6240\u6709\u5185\u5bb9\u770b\u8d77\u6765\u90fd\u50cf\u7eaf\u6587\u672c\u3002\u4ece\u5386\u53f2\u4e0a\u770b\uff0c\u5b83\u4e0e3D\u5e76\u65e0\u5173\u8054\u3002.<\/p>\n<p>Canvas \u5b9e\u9645\u4e0a\u4f7f\u7528\u76f8\u540c\u7684 WebGL \u5143\u7d20\u8fdb\u884c\u7ed8\u5236\uff0c\u4f46\u4e0a\u4e0b\u6587\u4e0d\u540c\u3002\u8be5\u4e0a\u4e0b\u6587\u5b9e\u9645\u4e0a\u88ab\u79f0\u4e3a\u201c2D\u201d\uff0c\u4f46\u7531\u4e8e 3D \u672c\u8eab\u662f\u4f2a\u7684\uff0c\u6211\u4eec\u59cb\u7ec8\u7ed8\u5236\u7684\u662f\u67d0\u79cd 2D \u8868\u9762\uff08\u65e0\u8bba\u662f\u771f\u5b9e\u7684\u8fd8\u662f\u865a\u62df\u7684\uff09\uff0c\u56e0\u6b64\u6211\u4eec\u4e5f\u53ef\u4ee5\u4f7f\u7528\u6b64\u4e0a\u4e0b\u6587\u6765\u7ed8\u5236 3D \u56fe\u5f62\u3002.<\/p>\n<p>SVG \u662f\u53e6\u4e00\u79cd\u975e 3D API\uff0c\u901a\u5e38\u7528\u4e8e\u63cf\u8ff0\u5fbd\u6807\u6216\u56fe\u6807\u7b49\u5185\u5bb9\u3002\u4f46\u662f\uff0c\u7531\u4e8e\u5b83\u53ef\u4ee5\u63cf\u8ff0\u7ebf\u6761\u7b49\u57fa\u672c\u4e8b\u7269\uff0c\u56e0\u6b64\u4e5f\u53ef\u4ee5\u5728 3D \u73af\u5883\u4e2d\u8868\u793a\uff08\u4f8b\u5982\u5730\u56fe\u4e0a\u7684\u53e0\u52a0\u5c42\uff0c\u6216\u5177\u6709\u7a7a\u95f4\u611f\u77e5\u80fd\u529b\u7684 UI \u6216 HUD \u5143\u7d20\uff09\u3002.<\/p>\n<p>\u8fd9\u4e9b\u5de5\u5177\u7684\u5171\u540c\u70b9\u5728\u4e8e\u5b83\u4eec\u90fd\u4e0d\u9002\u7528\u4e8e 3D \u5e94\u7528\u3002\u53e6\u4e00\u4e2a\u91cd\u8981\u7279\u70b9\u662f\u5b83\u4eec\u90fd\u662f\u9ad8\u7ea7\u5de5\u5177\u2014\u2014\u5b83\u4eec\u6700\u521d\u7684\u8bbe\u8ba1\u7528\u9014\u5e76\u975e\u5982\u6b64\u3002\u4f8b\u5982\uff0c\u8fd9\u4e09\u79cd\u5de5\u5177\u90fd\u80fd\u591f\u7ed8\u5236\u201c\u5706\u201d\u3002\u4f7f\u7528 Canvas\uff0c\u8fd9\u662f\u4e00\u4e2a\u660e\u786e\u7684\u5f62\u72b6\uff1b\u4f7f\u7528 CSS\uff0c\u4f60\u53ef\u80fd\u9700\u8981\u8bbe\u7f6e\u5706\u89d2\u534a\u5f84\uff0c\u4f46\u6700\u7ec8\u90fd\u80fd\u76f4\u63a5\u7ed8\u5236\u51fa\u4e00\u4e2a\u5706\u3002.<\/p>\n<p>WebGL \u7684\u5e95\u5c42\u5b9e\u73b0\u975e\u5e38\u6709\u9650\uff0c\u5b83\u5bf9 3D \u56fe\u5f62\u7684\u6982\u5ff5\u4e86\u89e3\u751a\u5c11\u30023D \u56fe\u5f62\u9700\u8981\u8fdb\u884c\u7279\u5b9a\u7684\u6570\u5b66\u8ba1\u7b97\uff0c\u800c\u4e14\u8ba1\u7b97\u91cf\u975e\u5e38\u5927\u3002\u8bd5\u60f3\u4e00\u4e0b\u9ad8\u5206\u8fa8\u7387\u5c4f\u5e55\u53ca\u5176\u50cf\u7d20\u6570\u91cf\u3002\u5982\u679c\u9700\u8981\u5bf9\u6bcf\u4e2a\u50cf\u7d20\u8fdb\u884c\u8ba1\u7b97\uff0c\u4ee5\u786e\u5b9a\u4e00\u5b9a\u91cf\u7684\u5149\u7ebf\u5982\u4f55\u5f71\u54cd\u5c4f\u5e55\u8868\u9762\uff0c\u5e76\u4e14\u6bcf\u79d2\u8981\u8fdb\u884c 60 \u6b21\u8fd9\u6837\u7684\u8ba1\u7b97\uff0c\u90a3\u4e48\u8ba1\u7b97\u91cf\u5c31\u4f1a\u975e\u5e38\u60ca\u4eba\u3002.<\/p>\n<h2 id=\"%d9%be%d8%b1%d8%af%d8%a7%d8%b2%d9%86%d8%af%d9%87-%da%af%d8%b1%d8%a7%d9%81%db%8c%da%a9%db%8c\">\u56fe\u5f62\u5904\u7406\u5668<\/h2>\n<p>\u5927\u591a\u6570\u8ba1\u7b97\u673a\uff0c\u4f8b\u5982\u7b14\u8bb0\u672c\u7535\u8111\u3001\u53f0\u5f0f\u7535\u8111\u3001\u624b\u673a\uff0c\u751a\u81f3\u667a\u80fd\u624b\u8868\uff0c\u90fd\u914d\u5907\u67d0\u79cd\u786c\u4ef6\u8bbe\u5907\uff0c\u53ef\u4ee5\u9ad8\u6548\u5730\u8ba1\u7b97\u8fd9\u4e9b3D\u8fd0\u7b97\uff0c\u5e76\u663e\u793a\u4ea4\u4e92\u5f0f\u56fe\u5f62\u3002\u8fd9\u79cd\u8bbe\u5907\u88ab\u79f0\u4e3a\u56fe\u5f62\u5904\u7406\u5355\u5143\uff08GPU\uff09\u3002.<\/p>\n<p>\u5b83\u4e0e\u4e3b\u5904\u7406\u5668\u4e0d\u540c\uff0c\u56e0\u4e3a\u5b83\u662f\u4e3a\u4e0d\u540c\u7684\u76ee\u7684\u800c\u6784\u5efa\u7684\u2014\u2014\u6267\u884c\u7279\u5b9a\u7684\u5e76\u884c\u6570\u5b66\u8fd0\u7b97\u3002.<\/p>\n<p>\u5c31\u50cf\u6211\u4eec\u4f7f\u7528 JavaScript \u8fdb\u884c\u6d4f\u89c8\u5668\u7f16\u7a0b\u4e00\u6837\uff0c\u6211\u4eec\u4f7f\u7528 WebGL \u8fdb\u884c\u663e\u5361\u7f16\u7a0b\u3002.<\/p>\n<p>\u7406\u8bba\u4e0a\u6ca1\u9519\uff0c\u4f46\u5b9e\u9645\u4e0a\u5b83\u4eec\u662f\u4e24\u79cd\u622a\u7136\u4e0d\u540c\u7684\u4e1c\u897f\u3002WebGL \u7531 JavaScript \u4ee3\u7801\uff08\u6307\u4ee4\uff09\u548c\u4e00\u79cd\u5b8c\u5168\u4e0d\u540c\u7684\u8bed\u8a00\uff08GLSL\uff09\u7ec4\u6210\uff0c\u540e\u8005\u8d1f\u8d23\u5b9e\u9645\u7684\u8ba1\u7b97\u3002\u4f60\u53ef\u4ee5\u5c06 HTML \u548c JavaScript \u8fdb\u884c\u4e00\u4e9b\u7c7b\u6bd4\uff0c\u770b\u770b\u5b83\u4eec\u5982\u4f55\u5728\u9875\u9762\u4e0a\u534f\u540c\u5de5\u4f5c\u3002.<\/p>\n<h2 id=\"%d8%af%d9%88-%d8%a8%d8%b9%d8%af%db%8c-%d9%88-%d8%b3%d9%87-%d8%a8%d8%b9%d8%af%db%8c\">\u4e8c\u7ef4\u548c\u4e09\u7ef4<\/h2>\n<p>\u786c\u4ef6\u52a0\u901f\u4e0d\u4ec5\u80fd\u63d0\u5347 3D \u56fe\u5f62\u5904\u7406\u80fd\u529b\uff0c\u89c6\u9891\u5904\u7406\u4e5f\u662f\u4e0d\u9519\u7684\u9009\u62e9\u3002\u4f60\u53ef\u4ee5\u5bf9\u663e\u5361\u8fdb\u884c\u7f16\u7a0b\uff0c\u4f7f\u5176\u6539\u53d8\u5b9e\u65f6\u89c6\u9891\u6d41\u4e2d\u7684\u989c\u8272\u6216\u56fe\u50cf\u3002.<\/p>\n<p>WebGL \u662f\u4e00\u79cd\u5e95\u5c42\u6280\u672f\uff0c\u5177\u6709\u901a\u7528\u6027\u3002\u5b83\u4e0d\u4e86\u89e3 2D \u6216 3D\uff0c\u4f46\u5b83\u4e86\u89e3\u5185\u5b58\u3001\u7f13\u51b2\u533a\u3001\u547d\u4ee4\u961f\u5217\u3001\u7740\u8272\u5668\u7b49\u7b49\u3002.<\/p>\n<p>\u5e76\u884c\u7f16\u7a0b\u4e0e JavaScript \u7f16\u7a0b\u622a\u7136\u4e0d\u540c\u3002\u4e00\u4e2a\u5e38\u89c1\u7684\u95ee\u9898\u662f\u4e0d\u540c\u7ebf\u7a0b\u5982\u4f55\u8bbf\u95ee\u5171\u4eab\u53d8\u91cf\u3002.<\/p>\n<p>\u8fd9\u79cd\u4e0d\u540c\u7684\u8303\u5f0f\u610f\u5473\u7740\u9700\u8981\u4e00\u79cd\u540d\u4e3a GLSL \u7684\u5168\u65b0\u8bed\u8a00\u3002\u5b83\u662f\u4e00\u79cd\u7740\u8272\u8bed\u8a00\uff0c\u51e0\u4e4e\u5b58\u5728\u4e8e\u6240\u6709\u5e95\u5c42\u56fe\u5f62 API \u4e2d\u3002\u4f60\u53ef\u4ee5\u5728\u8fd9\u91cc\u7f16\u5199\u5904\u7406\u8fd9\u4e9b\u5927\u6570\u503c\u7684\u5b9e\u9645\u903b\u8f91\uff0c\u552f\u4e00\u7684\u4f18\u52bf\u5c31\u662f\u65e0\u9700\u7f16\u5199\u673a\u5668\u4ee3\u7801\u3002.<\/p>\n<p>WebGL API \u7684\u53e6\u4e00\u90e8\u5206\u662f JavaScript \u7ed1\u5b9a\uff0c\u901a\u8fc7\u8fd9\u4e9b\u7ed1\u5b9a\uff0c\u4f60\u53ef\u4ee5\u544a\u8bc9 GPU \u6267\u884c\u67d0\u4e9b\u64cd\u4f5c\u3002\u4f8b\u5982\uff0c\u7740\u8272\u5668\u53ef\u4ee5\u201c\u6267\u884c\u8ba1\u7b97 A\u201d\uff0c\u7ed1\u5b9a\u53ef\u4ee5\u201c\u8fd0\u884c\u4e00\u767e\u4e07\u6b21\u201d\u3002.<\/p>\n<p>\u7a0b\u5e8f\u5458\u9700\u8981\u81ea\u884c\u8ba1\u7b97 A \u662f\u4ec0\u4e48\u3002\u5b83\u53ef\u80fd\u4e0e 3D 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