{"id":106826,"date":"2026-09-18T11:32:56","date_gmt":"2026-09-18T03:32:56","guid":{"rendered":"https:\/\/www.wsisp.com\/helps\/106826.html"},"modified":"2026-09-18T11:32:56","modified_gmt":"2026-09-18T03:32:56","slug":"web%e7%89%b9%e6%95%8806-webgl%e6%b7%b1%e6%8c%96%ef%bc%9a%e9%a1%b6%e7%82%b9%e7%9d%80%e8%89%b2%e5%99%a8%e5%92%8c%e7%89%87%e5%85%83%e7%9d%80%e8%89%b2%e5%99%a8%e5%88%b0%e5%ba%95%e5%9c%a8","status":"publish","type":"post","link":"https:\/\/www.wsisp.com\/helps\/106826.html","title":{"rendered":"Web\u7279\u654806\u2014\u2014WebGL\u6df1\u6316\uff1a\u9876\u70b9\u7740\u8272\u5668\u548c\u7247\u5143\u7740\u8272\u5668\u5230\u5e95\u5728\u5e72\u4ec0\u4e48"},"content":{"rendered":"

Web\u7279\u654806\u2014\u2014WebGL\u6df1\u6316：\u9876\u70b9\u7740\u8272\u5668\u548c\u7247\u5143\u7740\u8272\u5668\u5230\u5e95\u5728\u5e72\u4ec0\u4e48<\/h2>\n

\u4e0a\u4e00\u7bc7\u6211\u4eec\u628aCanvas2D\u3001WebGL\u3001WebGPU\u4e09\u4e2a\u539f\u751fAPI\u7684\u62bd\u8c61\u5c42\u7ea7\u6446\u6e05\u695a\u4e86，\u4e5f\u7528\u4e00\u4e2a\u6700\u7b80\u4e09\u89d2\u5f62\u7684demo，\u6478\u4e86\u4e00\u904dWebGL"\u5199\u7740\u8272\u5668\u2192\u7f16\u8bd1\u2192\u7ed1\u5b9a\u2192\u7ed8\u5236"\u7684\u5b8c\u6574\u6d41\u7a0b\u3002\u4f46\u90a3\u4e2ademo\u523b\u610f\u505a\u5f97\u6781\u7b80\u2014\u2014\u989c\u8272\u662f\u5199\u6b7b\u7684，\u4f4d\u7f6e\u4e5f\u662f\u5199\u6b7b\u7684，\u771f\u6b63\u505a\u7279\u6548\u9700\u8981\u7684\u4e1c\u897f，\u90fd\u88ab\u6211\u4eec\u4e00\u7b14\u5e26\u8fc7\u4e86\u3002 \u8fd9\u4e00\u7bc7\u5c31\u6cbf\u7740\u8fd9\u6761\u7ebf\u5f80\u4e0b\u6316：\u9876\u70b9\u7740\u8272\u5668\u548c\u7247\u5143\u7740\u8272\u5668\u5230\u5e95\u662f\u600e\u4e48\u5206\u5de5\u534f\u4f5c\u7684\u3001attribute\/uniform\/varying\u8fd9\u51e0\u79cd\u6570\u636e\u4f20\u9012\u65b9\u5f0f\u5404\u81ea\u89e3\u51b3\u4ec0\u4e48\u95ee\u9898\u3001JS\u91cc\u7684\u6570\u636e\u600e\u4e48\u901a\u8fc7uniform\u5b9e\u65f6\u4f20\u8fdbshader\u3001\u8ba9\u753b\u9762\u52a8\u8d77\u6765\u3002\u88c1\u526a\u7a7a\u95f4\u5750\u6807(NDC)\u548c\u771f\u5b9e\u9876\u70b9\u5750\u6807\u4e4b\u95f4\u7684\u53d8\u6362，\u4e5f\u4f1a\u5728\u8fd9\u7bc7\u91cc\u8865\u4e0a\u2014\u2014\u8fd9\u662f\u540e\u9762\u505a\u65cb\u8f6c\u3001\u7f29\u653e\u30013D\u573a\u666f\u7ed5\u4e0d\u5f00\u7684\u4e00\u73af\u3002\u8fd9\u7bc7\u4f1a\u6bd4\u4e0a\u4e00\u7bc7\u66f4"\u52a8\u624b"\u4e00\u4e9b：\u5728\u4e0a\u6b21\u4e09\u89d2\u5f62demo\u7684\u57fa\u7840\u4e0a，\u52a0\u4e00\u4e2a\u80fd\u8ba9\u989c\u8272\u968f\u65f6\u95f4\u6e10\u53d8\u3001\u56fe\u5f62\u80fd\u65cb\u8f6c\u7684\u8fdb\u9636\u7248\u672c，\u8ba9uniform\u5230\u5e95\u600e\u4e48\u7528\u53d8\u5f97\u76f4\u89c2\u3002<\/font><\/p>\n

\"\u8bf7\u6dfb\u52a0\u56fe\u7247\u63cf\u8ff0\"<\/p>\n

\u4e00\u3001\u4ece\u5199\u6b7b\u5230\u52a8\u8d77\u6765：\u8fd9\u6b21\u6211\u4eec\u628a\u989c\u8272\u548c\u4f4d\u7f6e\u90fd\u4ea4\u7ed9\u53d8\u91cf<\/h3>\n

1. \u4e0a\u4e00\u7bc7\u7684demo，\u5176\u5b9e\u662f\u4e2a"\u6807\u672c"<\/h4>\n

\u56de\u5fc6\u4e00\u4e0b\u4e0a\u4e00\u7bc7\u753b\u4e09\u89d2\u5f62\u7684\u90a3\u6bb5\u4ee3\u7801，\u6458\u4e24\u884c\u51fa\u6765\u770b：<\/p>\n

\/\/ \u9876\u70b9\u7740\u8272\u5668<\/span>
\ngl_Position =<\/span> vec4<\/span>(<\/span>aPosition,<\/span> 0.0<\/span>,<\/span> 1.0<\/span>)<\/span>;<\/span><\/p>\n

\/\/ \u7247\u5143\u7740\u8272\u5668<\/span>
\ngl_FragColor =<\/span> vec4<\/span>(<\/span>0.22<\/span>,<\/span> 0.54<\/span>,<\/span> 0.86<\/span>,<\/span> 1.0<\/span>)<\/span>;<\/span> \/\/ \u4e00\u4e2a\u84dd\u8272<\/span><\/p>\n

\u8fd9\u4e24\u884c\u4ee3\u7801\u80fd\u8dd1，\u4f46\u4e25\u683c\u8bf4\u5b83\u66f4\u50cf\u4e00\u4e2a"\u6807\u672c"\u2014\u2014\u4e09\u89d2\u5f62\u7684\u4f4d\u7f6e\u5199\u6b7b\u5728JS\u7684vertices\u6570\u7ec4\u91cc，\u989c\u8272\u5199\u6b7b\u5728\u7247\u5143\u7740\u8272\u5668\u7684vec4(0.22, 0.54, 0.86, 1.0)\u91cc\u3002\u6574\u4e2a\u753b\u9762\u4ece\u7b2c\u4e00\u5e27\u5230\u6700\u540e\u4e00\u5e27，\u6c38\u8fdc\u957f\u4e00\u4e2a\u6837\u3002\u8fd9\u5728\u73b0\u5b9e\u91cc\u6ca1\u4ec0\u4e48\u7528：\u4f60\u4e0d\u53ef\u80fd\u771f\u7684\u4e3a\u6bcf\u4e00\u5e27\u3001\u6bcf\u4e00\u4e2a\u4f4d\u7f6e\u7684\u53d8\u5316\u90fd\u91cd\u65b0\u7f16\u8bd1\u4e00\u6b21\u7740\u8272\u5668\u7a0b\u5e8f\u3002<\/p>\n

2. \u771f\u6b63\u7684\u7279\u6548，\u9760\u7684\u662f"\u540c\u4e00\u6bb5\u4ee3\u7801，\u5582\u4e0d\u540c\u7684\u6570\u636e"<\/h4>\n

\u8fd9\u91cc\u6709\u4e00\u4e2aGPU\u7f16\u7a0b\u91cc\u5f88\u6838\u5fc3\u7684\u601d\u8def，\u8ddf\u5199JS\u51fd\u6570\u5f88\u50cf：\u4f60\u4e0d\u4f1a\u4e3a\u6bcf\u4e2a\u8f93\u5165\u503c\u5355\u72ec\u5199\u4e00\u4e2a\u51fd\u6570，\u800c\u662f\u5199\u4e00\u4e2a\u901a\u7528\u51fd\u6570，\u8c03\u7528\u7684\u65f6\u5019\u4f20\u53c2\u6570\u8fdb\u53bb\u3002<\/p>\n

\/\/ \u7c7b\u6bd4：\u5199\u6b7b vs \u4f20\u53c2\u6570<\/span>
\nfunction<\/span> drawFixedColor<\/span>(<\/span>)<\/span> {<\/span>
\n return<\/span> [<\/span>0.22<\/span>,<\/span> 0.54<\/span>,<\/span> 0.86<\/span>,<\/span> 1.0<\/span>]<\/span>;<\/span> \/\/ \u6c38\u8fdc\u662f\u8fd9\u4e2a\u989c\u8272<\/span>
\n}<\/span><\/p>\n

function<\/span> drawColor<\/span>(<\/span>r,<\/span> g,<\/span> b,<\/span> a<\/span>)<\/span> {<\/span>
\n return<\/span> [<\/span>r,<\/span> g,<\/span> b,<\/span> a]<\/span>;<\/span> \/\/ \u6bcf\u6b21\u8c03\u7528\u53ef\u4ee5\u4f20\u4e0d\u540c\u7684\u989c\u8272<\/span>
\n}<\/span><\/p>\n

WebGL\u91cc\u7684\u505a\u6cd5\u662f\u4e00\u6837\u7684：\u7740\u8272\u5668\u7a0b\u5e8f\u672c\u8eab\u53ea\u7f16\u8bd1\u4e00\u6b21，\u4f46\u6bcf\u4e00\u5e27\u3001\u6bcf\u4e00\u6b21\u7ed8\u5236，\u4f60\u53ef\u4ee5\u5f80\u91cc\u9762"\u5582"\u4e0d\u540c\u7684\u6570\u636e\u2014\u2014\u8fd9\u4e00\u5e27\u4e09\u89d2\u5f62\u8f6c\u4e865\u5ea6，\u4e0b\u4e00\u5e27\u8f6c\u4e8610\u5ea6；\u8fd9\u4e00\u5e27\u662f\u84dd\u8272，\u4e0b\u4e00\u5e27\u6e10\u53d8\u6210\u4e86\u6a59\u8272\u3002\u53d8\u7684\u662f\u6570\u636e，\u4e0d\u53d8\u7684\u662f\u90a3\u6bb5GLSL\u4ee3\u7801\u3002<\/p>\n

\u8fd9\u4e5f\u662f\u4e3a\u4ec0\u4e48WebGL\u7684\u6027\u80fd\u6f5c\u529b\u8fd9\u4e48\u5927：\u7740\u8272\u5668\u7a0b\u5e8f\u7f16\u8bd1\u4e00\u6b21，\u4e4b\u540eGPU\u53ef\u4ee5\u62ff\u7740\u540c\u4e00\u4efd\u6307\u4ee4，\u5bf9\u6d77\u91cf\u4e0d\u540c\u7684\u6570\u636e\u5e76\u884c\u8dd1\u2014\u2014\u91cd\u590d\u5229\u7528\u540c\u4e00\u5957\u903b\u8f91，\u6b63\u662f\u5e76\u884c\u8ba1\u7b97\u7684\u524d\u63d0\u3002<\/p>\n

3. \u8fd9\u4e00\u7bc7\u8981\u6253\u901a\u7684，\u662f"JS\u6570\u636e"\u5230"GPU\u53d8\u91cf"\u8fd9\u6761\u8def<\/h4>\n

\u5199\u6b7b\u7684\u4ee3\u7801\u6ca1\u6709\u53d8\u91cf，\u52a8\u8d77\u6765\u7684\u4ee3\u7801\u79bb\u4e0d\u5f00\u53d8\u91cf\u3002\u8fd9\u4e00\u7bc7\u8981\u89e3\u51b3\u7684\u6838\u5fc3\u95ee\u9898\u5c31\u662f：JS\u8fd9\u8fb9\u7b97\u51fa\u6765\u7684\u6570\u636e（\u6bd4\u5982"\u73b0\u5728\u7684\u65f6\u95f4"\u201c\u65cb\u8f6c\u4e86\u591a\u5c11\u5ea6\u201d\u201c\u7528\u6237\u70b9\u51fb\u7684\u4f4d\u7f6e\u201d），\u600e\u4e48\u4f20\u8fdb\u8dd1\u5728GPU\u4e0a\u7684\u7740\u8272\u5668\u91cc？<\/p>\n

\u7b54\u6848\u8981\u9760\u4e09\u4e2a\u5173\u952e\u5b57：attribute\u3001uniform\u3001varying\u3002\u5b83\u4eec\u5404\u81ea\u8d1f\u8d23\u4e00\u6bb5\u4e0d\u540c\u7684"\u6570\u636e\u65c5\u7a0b"\u2014\u2014\u6709\u7684\u8d1f\u8d23\u628a"\u6bcf\u4e2a\u9876\u70b9\u72ec\u6709"\u7684\u6570\u636e\u4eceJS\u9001\u8fdb\u9876\u70b9\u7740\u8272\u5668，\u6709\u7684\u8d1f\u8d23\u628a"\u6574\u6b21\u7ed8\u5236\u5171\u4eab"\u7684\u6570\u636e（\u6bd4\u5982\u4e00\u4e2a\u65f6\u95f4\u6233）\u9001\u8fdb\u53bb，\u8fd8\u6709\u7684\u8d1f\u8d23\u628a\u9876\u70b9\u7740\u8272\u5668\u7b97\u51fa\u6765\u7684\u4e1c\u897f，\u4e00\u8def\u4f20\u9012\u7ed9\u7247\u5143\u7740\u8272\u5668\u7528\u3002\u4e0b\u4e00\u8282\u6211\u4eec\u5c31\u62c6\u5f00\u770b，\u4e24\u6bb5\u7740\u8272\u5668\u5230\u5e95\u600e\u4e48\u5206\u5de5\u534f\u4f5c，\u4e3a\u5f15\u5165\u8fd9\u51e0\u4e2a\u5173\u952e\u5b57\u6253\u597d\u94fa\u57ab\u3002<\/p>\n

\u4e8c\u3001\u9876\u70b9\u7740\u8272\u5668\u4e0e\u7247\u5143\u7740\u8272\u5668：\u4e24\u6bb5\u4ee3\u7801\u600e\u4e48\u5206\u5de5\u534f\u4f5c<\/h3>\n

1. \u4e00\u4e2a\u7ba1\u6d41\u6c34\u7ebf\u7684\u5165\u53e3，\u4e00\u4e2a\u7ba1\u6d41\u6c34\u7ebf\u7684\u51fa\u53e3<\/h4>\n

\u4e0a\u4e00\u7bc7\u7684mermaid\u7ba1\u7ebf\u56fe\u91cc，\u9876\u70b9\u6570\u636e\u5148\u7ecf\u8fc7\u9876\u70b9\u7740\u8272\u5668，\u518d\u7ecf\u8fc7\u5149\u6805\u5316，\u6700\u540e\u7ecf\u8fc7\u7247\u5143\u7740\u8272\u5668\u3002\u8fd9\u4e24\u6bb5\u7740\u8272\u5668\u5939\u5728\u6d41\u6c34\u7ebf\u7684\u4e24\u7aef，\u5404\u81ea\u7684\u804c\u8d23\u5206\u5f97\u5f88\u6e05\u695a：<\/p>\n

    \n
  • \u9876\u70b9\u7740\u8272\u5668（Vertex Shader）：\u7ba1\u6d41\u6c34\u7ebf\u7684"\u5165\u53e3"\u3002\u5b83\u62ff\u5230\u4e00\u4e2a\u9876\u70b9\u7684\u539f\u59cb\u6570\u636e（\u6bd4\u5982\u4f4d\u7f6e\u5750\u6807），\u7b97\u51fa\u8fd9\u4e2a\u9876\u70b9\u6700\u7ec8\u5e94\u8be5\u51fa\u73b0\u5728\u5c4f\u5e55\u7684\u54ea\u4e2a\u4f4d\u7f6e，\u8f93\u51fa\u5230\u5185\u7f6e\u53d8\u91cfgl_Position\u3002\u5b83\u4e0d\u77e5\u9053\u3001\u4e5f\u4e0d\u5173\u5fc3\u8fd9\u4e2a\u4e09\u89d2\u5f62\u6700\u540e\u4f1a\u88ab\u6d82\u6210\u4ec0\u4e48\u989c\u8272\u3002<\/li>\n
  • \u7247\u5143\u7740\u8272\u5668（Fragment Shader）：\u7ba1\u6d41\u6c34\u7ebf\u7684"\u51fa\u53e3"\u3002\u4e09\u89d2\u5f62\u88ab\u5149\u6805\u5316\u62c6\u6210\u4e00\u4e2a\u4e2a\u50cf\u7d20\u4e4b\u540e，\u6bcf\u4e2a\u50cf\u7d20\u90fd\u8981\u5355\u72ec\u8dd1\u4e00\u904d\u7247\u5143\u7740\u8272\u5668，\u7b97\u51fa\u8fd9\u4e2a\u50cf\u7d20\u8be5\u662f\u4ec0\u4e48\u989c\u8272，\u8f93\u51fa\u5230gl_FragColor\u3002\u5b83\u4e0d\u77e5\u9053\u3001\u4e5f\u4e0d\u5173\u5fc3\u8fd9\u4e2a\u50cf\u7d20\u539f\u672c\u5c5e\u4e8e\u54ea\u51e0\u4e2a\u9876\u70b9\u56f4\u6210\u7684\u4e09\u89d2\u5f62\u3002<\/li>\n<\/ul>\n

    \u4e24\u8005\u4e2d\u95f4\u9694\u7740"\u5149\u6805\u5316"\u8fd9\u4e00\u6b65\u2014\u2014\u628a\u9876\u70b9\u8fde\u6210\u7684\u4e09\u89d2\u5f62，\u62c6\u89e3\u6210\u4e00\u4e2a\u4e2a\u8986\u76d6\u5230\u7684\u50cf\u7d20\u683c\u5b50\u3002\u8fd9\u4e00\u6b65\u662fGPU\u56fa\u5b9a\u7684\u786c\u4ef6\u884c\u4e3a，\u4e0d\u9700\u8981\u4f60\u5199\u4ee3\u7801\u3002<\/p>\n

    2. \u8c03\u7528\u6b21\u6570\u5929\u5dee\u5730\u522b<\/h4>\n

    \u8fd9\u662f\u6700\u5bb9\u6613\u88ab\u5ffd\u7565\u3001\u4f46\u7279\u522b\u5173\u952e\u7684\u4e00\u70b9：\u9876\u70b9\u7740\u8272\u5668\u548c\u7247\u5143\u7740\u8272\u5668\u7684\u8c03\u7528\u6b21\u6570\u5b8c\u5168\u4e0d\u662f\u4e00\u4e2a\u91cf\u7ea7\u3002<\/p>\n

    \u4e00\u4e2a\u4e09\u89d2\u5f62\u53ea\u67093\u4e2a\u9876\u70b9，\u9876\u70b9\u7740\u8272\u5668\u5c31\u53ea\u4f1a\u88ab\u8c03\u75283\u6b21\u2014\u2014\u6bcf\u4e2a\u9876\u70b9\u7b97\u4e00\u6b21\u4f4d\u7f6e\u3002\u4f46\u8fd9\u4e2a\u4e09\u89d2\u5f62\u5728\u5c4f\u5e55\u4e0a\u53ef\u80fd\u8986\u76d6\u4e86\u51e0\u5343\u751a\u81f3\u51e0\u4e07\u4e2a\u50cf\u7d20，\u7247\u5143\u7740\u8272\u5668\u5c31\u8981\u88ab\u8c03\u7528\u51e0\u5343\u51e0\u4e07\u6b21\u2014\u2014\u6bcf\u4e2a\u50cf\u7d20\u90fd\u8981\u5355\u72ec\u7b97\u4e00\u6b21\u989c\u8272\u3002<\/p>\n

    \"\u8bf7\u6dfb\u52a0\u56fe\u7247\u63cf\u8ff0\"<\/p>\n

    \u8fd9\u4e5f\u662f\u672c\u8282\u63d2\u56fe\u60f3\u8bf4\u660e\u7684\u4e8b：\u540c\u4e00\u4e2a\u4e09\u89d2\u5f62，\u9876\u70b9\u7740\u8272\u5668\u5728\u4e09\u4e2a\u89d2\u4e0a\u5404\u8dd1\u4e00\u6b21，\u7247\u5143\u7740\u8272\u5668\u8981\u7ed9\u5185\u90e8\u94fa\u6ee1\u7684\u6bcf\u4e00\u4e2a\u50cf\u7d20\u683c\u5b50\u90fd\u8dd1\u4e00\u6b21\u3002\u7406\u89e3\u8fd9\u4e2a\u8c03\u7528\u6b21\u6570\u7684\u6570\u91cf\u7ea7\u5dee\u5f02\u5f88\u91cd\u8981\u2014\u2014\u5982\u679c\u4f60\u5728\u7247\u5143\u7740\u8272\u5668\u91cc\u5199\u4e86\u4e00\u6bb5\u590d\u6742\u7684\u8ba1\u7b97，\u5b83\u4f1a\u88ab\u91cd\u590d\u6267\u884c\u6210\u5343\u4e0a\u4e07\u6b21，\u6027\u80fd\u4ee3\u4ef7\u548c\u5199\u5728\u9876\u70b9\u7740\u8272\u5668\u91cc\u5b8c\u5168\u4e0d\u662f\u4e00\u56de\u4e8b\u3002<\/p>\n

    3. \u4e24\u6bb5\u4ee3\u7801\u600e\u4e48"\u5bf9\u4e0a\u8bdd"<\/h4>\n

    \u9876\u70b9\u7740\u8272\u5668\u548c\u7247\u5143\u7740\u8272\u5668\u662f\u4e24\u6bb5\u72ec\u7acb\u7f16\u8bd1\u7684\u4ee3\u7801，\u4f46\u5b83\u4eec\u4e4b\u95f4\u9700\u8981\u4f20\u9012\u4fe1\u606f\u2014\u2014\u6bd4\u5982\u4f60\u60f3\u7ed9\u4e09\u89d2\u5f62\u7684\u6bcf\u4e2a\u9876\u70b9\u8bbe\u7f6e\u4e0d\u540c\u7684\u989c\u8272，\u8ba9\u5185\u90e8\u81ea\u7136\u8fc7\u6e21\u51fa\u4e00\u4e2a\u6e10\u53d8\u6548\u679c，\u8fd9\u4e2a"\u6e10\u53d8"\u7684\u8ba1\u7b97\u662f\u8c01\u6765\u505a？<\/p>\n

    \u7b54\u6848\u662f：\u9876\u70b9\u7740\u8272\u5668\u7ed9\u6bcf\u4e2a\u9876\u70b9\u7b97\u51fa\u4e00\u4e2a\u989c\u8272\u503c，\u5149\u6805\u5316\u7684\u65f6\u5019，GPU\u4f1a\u81ea\u52a8\u5e2e\u4f60\u5728\u4e09\u4e2a\u9876\u70b9\u7684\u989c\u8272\u4e4b\u95f4\u505a\u63d2\u503c（Interpolation）\u2014\u2014\u79bb\u54ea\u4e2a\u9876\u70b9\u8fd1，\u989c\u8272\u5c31\u66f4\u504f\u5411\u54ea\u4e2a\u9876\u70b9，\u4e2d\u95f4\u81ea\u7136\u8fc7\u6e21\u3002\u7247\u5143\u7740\u8272\u5668\u62ff\u5230\u7684，\u5c31\u662f\u8fd9\u4e2a\u63d2\u503c\u7b97\u597d\u4e4b\u540e\u3001\u5c5e\u4e8e\u5f53\u524d\u50cf\u7d20\u7684\u989c\u8272\u3002<\/p>\n

    \/\/ \u9876\u70b9\u7740\u8272\u5668:\u6bcf\u4e2a\u9876\u70b9\u8f93\u51fa\u4e00\u4e2a\u989c\u8272<\/span>
    \nattribute vec2 aPosition;<\/span>
    \nattribute vec3 aColor;<\/span>
    \nvarying vec3 vColor;<\/span> \/\/ \u4f20\u7ed9\u7247\u5143\u7740\u8272\u5668\u7684"\u4fe1\u4f7f"<\/span><\/p>\n

    void<\/span> main<\/span>(<\/span>)<\/span> {<\/span>
    \n gl_Position =<\/span> vec4<\/span>(<\/span>aPosition,<\/span> 0.0<\/span>,<\/span> 1.0<\/span>)<\/span>;<\/span>
    \n vColor =<\/span> aColor;<\/span> \/\/ \u628a\u989c\u8272\u4ea4\u7ed9varying<\/span>
    \n}<\/span><\/p>\n

    \/\/ \u7247\u5143\u7740\u8272\u5668:\u63a5\u6536\u63d2\u503c\u540e\u7684\u989c\u8272<\/span>
    \nprecision mediump float;<\/span>
    \nvarying vec3 vColor;<\/span> \/\/ \u540d\u5b57\u8981\u548c\u9876\u70b9\u7740\u8272\u5668\u91cc\u7684\u4e00\u81f4<\/span><\/p>\n

    void<\/span> main<\/span>(<\/span>)<\/span> {<\/span>
    \n gl_FragColor =<\/span> vec4<\/span>(<\/span>vColor,<\/span> 1.0<\/span>)<\/span>;<\/span> \/\/ \u76f4\u63a5\u7528\u63d2\u503c\u540e\u7684\u989c\u8272<\/span>
    \n}<\/span><\/p>\n

    \u4ee3\u7801\u91cc\u51fa\u73b0\u7684varying，\u5c31\u662f\u4e13\u95e8\u8d1f\u8d23"\u9876\u70b9\u7740\u8272\u5668\u7b97\u51fa\u7684\u503c，\u63d2\u503c\u4e4b\u540e\u4f20\u7ed9\u7247\u5143\u7740\u8272\u5668"\u8fd9\u6761\u8def\u5f84\u7684\u5173\u952e\u5b57\u3002\u5b83\u662f\u8fd9\u4e00\u7bc7\u8981\u8bb2\u7684\u4e09\u4e2a\u5173\u952e\u5b57（attribute\u3001uniform\u3001varying）\u91cc，\u7b2c\u4e00\u4e2a\u767b\u573a\u7684\u3002<\/p>\n

    \u9876\u70b9\u7740\u8272\u5668\u7ba1\u8d77\u70b9，\u7247\u5143\u7740\u8272\u5668\u7ba1\u7ec8\u70b9，varying\u7ba1\u4e2d\u95f4\u7684\u63d2\u503c\u4f20\u9012\u2014\u2014\u8fd9\u6761\u94fe\u8def\u641e\u6e05\u695a\u4e4b\u540e，\u4e0b\u4e00\u8282\u6211\u4eec\u628aattribute\u548cuniform\u4e5f\u8865\u9f50，\u770bJS\u8fd9\u8fb9\u7684\u6570\u636e\u5230\u5e95\u662f\u600e\u4e48"\u5582"\u8fdb\u8fd9\u4e24\u6bb5\u7740\u8272\u5668\u7684\u3002<\/p>\n

    \u4e09\u3001attribute\u3001uniform\u3001varying：\u4e09\u79cd\u6570\u636e\u5404\u7ba1\u4e00\u6bb5\u65c5\u7a0b<\/h3>\n

    \"\u8bf7\u6dfb\u52a0\u56fe\u7247\u63cf\u8ff0\"<\/p>\n

    1. \u5148\u5206\u6e05\u695a：\u8fd9\u4e09\u4e2a\u5173\u952e\u5b57\u8981\u89e3\u51b3\u7684\u662f\u4e0d\u540c\u7684\u95ee\u9898<\/h4>\n

    \u4e0a\u4e00\u8282\u7ed3\u5c3e\u63d0\u5230\u4e86varying，\u8fd9\u4e00\u8282\u628aattribute\u548cuniform\u4e5f\u8865\u9f50\u3002\u4e09\u8005\u90fd\u662fGLSL\u91cc\u7528\u6765\u58f0\u660e"\u6570\u636e\u4ece\u54ea\u6765"\u7684\u5173\u952e\u5b57，\u4f46\u5b83\u4eec\u56de\u7b54\u7684\u662f\u4e09\u4e2a\u5b8c\u5168\u4e0d\u540c\u7684\u95ee\u9898：<\/p>\n

      \n
    • attribute：\u8fd9\u4e2a\u6570\u636e，\u6bcf\u4e2a\u9876\u70b9\u90fd\u4e0d\u4e00\u6837\u5417？\u2014\u2014\u5982\u679c\u662f，\u7528attribute\u3002<\/li>\n
    • uniform：\u8fd9\u4e2a\u6570\u636e，\u8fd9\u4e00\u6b21\u7ed8\u5236\u91cc\u6240\u6709\u9876\u70b9\/\u50cf\u7d20\u90fd\u4e00\u6837\u5417？\u2014\u2014\u5982\u679c\u662f，\u7528uniform\u3002<\/li>\n
    • varying：\u8fd9\u4e2a\u6570\u636e，\u662f\u9876\u70b9\u7740\u8272\u5668\u7b97\u51fa\u6765\u3001\u9700\u8981\u4f20\u7ed9\u7247\u5143\u7740\u8272\u5668\u7684\u5417？\u2014\u2014\u5982\u679c\u662f，\u7528varying\u3002<\/li>\n<\/ul>\n

      \u5224\u65ad\u7528\u54ea\u4e2a\u5173\u952e\u5b57，\u672c\u8d28\u4e0a\u5c31\u662f\u56de\u7b54"\u8fd9\u4efd\u6570\u636e\u7684\u4f5c\u7528\u8303\u56f4\u6709\u591a\u5927"\u3002\u63d2\u56fe\u91cc\u4e09\u6761\u989c\u8272\u4e0d\u540c\u7684\u8def\u5f84，\u5bf9\u5e94\u7684\u6b63\u662f\u8fd9\u4e09\u6761\u4e0d\u540c\u7684\u4f5c\u7528\u8303\u56f4\u3002<\/p>\n

      2. attribute：\u4eceJS\u7684\u9876\u70b9\u6570\u7ec4，\u4e00\u5bf9\u4e00\u9001\u8fdb\u9876\u70b9\u7740\u8272\u5668<\/h4>\n

      attribute\u53ea\u80fd\u51fa\u73b0\u5728\u9876\u70b9\u7740\u8272\u5668\u91cc，\u5b83\u5bf9\u5e94\u7684\u6570\u636e\u6765\u81eaJS\u8fd9\u8fb9\u4e00\u4efd\u6309\u9876\u70b9\u7ec4\u7ec7\u7684\u6570\u7ec4\u2014\u2014\u6700\u5178\u578b\u7684\u5c31\u662f\u4e0a\u4e00\u7bc7demo\u91cc\u7684\u9876\u70b9\u5750\u6807：\u4e09\u4e2a\u9876\u70b9，\u6bcf\u4e2a\u9876\u70b9\u4e00\u7ec4\u72ec\u7acb\u7684\u5750\u6807\u503c\u3002<\/p>\n

      \/\/ JS\u8fd9\u8fb9:\u51c6\u5907\u597d\u6bcf\u4e2a\u9876\u70b9\u72ec\u6709\u7684\u6570\u636e<\/span>
      \nconst<\/span> positions =<\/span> new<\/span> Float32Array<\/span>(<\/span>[<\/span>
      \n 0.0<\/span>,<\/span> 0.5<\/span>,<\/span> \/\/ \u9876\u70b91<\/span>
      \n –<\/span>0.5<\/span>,<\/span> –<\/span>0.5<\/span>,<\/span> \/\/ \u9876\u70b92<\/span>
      \n 0.5<\/span>,<\/span> –<\/span>0.5<\/span>,<\/span> \/\/ \u9876\u70b93<\/span>
      \n]<\/span>)<\/span>;<\/span>
      \ngl.<\/span>bindBuffer<\/span>(<\/span>gl.<\/span>ARRAY_BUFFER<\/span>,<\/span> buffer)<\/span>;<\/span>
      \ngl.<\/span>bufferData<\/span>(<\/span>gl.<\/span>ARRAY_BUFFER<\/span>,<\/span> positions,<\/span> gl.<\/span>STATIC_DRAW<\/span>)<\/span>;<\/span><\/p>\n

      const<\/span> aPosition =<\/span> gl.<\/span>getAttribLocation<\/span>(<\/span>program,<\/span> 'aPosition'<\/span>)<\/span>;<\/span>
      \ngl.<\/span>enableVertexAttribArray<\/span>(<\/span>aPosition)<\/span>;<\/span>
      \ngl.<\/span>vertexAttribPointer<\/span>(<\/span>aPosition,<\/span> 2<\/span>,<\/span> gl.<\/span>FLOAT<\/span>,<\/span> false<\/span>,<\/span> 0<\/span>,<\/span> 0<\/span>)<\/span>;<\/span><\/p>\n

      \/\/ \u9876\u70b9\u7740\u8272\u5668:\u63a5\u6536"\u6bcf\u4e2a\u9876\u70b9\u72ec\u6709"\u7684\u6570\u636e
      \nattribute vec2 aPosition;<\/p>\n

      void main() {
      \n gl_Position = vec4(aPosition, 0.0, 1.0);
      \n}<\/p>\n

      GPU\u5728\u8dd1\u9876\u70b9\u7740\u8272\u5668\u65f6，\u4f1a\u81ea\u52a8\u6309\u9876\u70b9\u628abuffer\u91cc\u5bf9\u5e94\u7684\u4e00\u5c0f\u6bb5\u6570\u636e"\u5582"\u8fdbaPosition\u2014\u2014\u7b2c\u4e00\u6b21\u8c03\u7528\u62ff\u5230\u9876\u70b91\u7684\u5750\u6807，\u7b2c\u4e8c\u6b21\u8c03\u7528\u62ff\u5230\u9876\u70b92\u7684\u5750\u6807，\u4ee5\u6b64\u7c7b\u63a8\u3002\u9664\u4e86\u4f4d\u7f6e，\u6cd5\u7ebf\u3001UV\u5750\u6807\u3001\u6bcf\u4e2a\u9876\u70b9\u5355\u72ec\u7684\u989c\u8272，\u90fd\u662f\u5178\u578b\u7684attribute\u6570\u636e\u3002<\/p>\n

      3. uniform：\u8fd9\u4e00\u6b21\u7ed8\u5236\u91cc，\u6240\u6709\u9876\u70b9\/\u50cf\u7d20\u5171\u4eab\u7684\u4e00\u4efd\u6570\u636e<\/h4>\n

      attribute\u662f"\u4e00\u4eba\u4e00\u4efd"，uniform\u5219\u662f"\u5168\u573a\u5171\u7528\u4e00\u4efd"\u2014\u2014\u9876\u70b9\u7740\u8272\u5668\u548c\u7247\u5143\u7740\u8272\u5668\u90fd\u80fd\u8bfb\u5230\u540c\u4e00\u4e2auniform\u53d8\u91cf，\u800c\u4e14\u8fd9\u6b21\u7ed8\u5236\u91cc，\u4e0d\u7ba1\u8dd1\u591a\u5c11\u6b21，\u8fd9\u4e2a\u503c\u90fd\u4e0d\u4f1a\u53d8\u3002<\/p>\n

      \u6700\u5178\u578b\u7684\u573a\u666f\u5c31\u662f\u8fd9\u7bc7\u8981\u505a\u7684"\u52a8\u8d77\u6765"：\u65f6\u95f4\u3001\u65cb\u8f6c\u89d2\u5ea6，\u8fd9\u4e9b\u4e0d\u5c5e\u4e8e\u67d0\u4e2a\u5177\u4f53\u9876\u70b9，\u800c\u662f\u6574\u6b21\u7ed8\u5236\u7edf\u4e00\u9002\u7528\u7684\u4e00\u4e2a\u503c\u3002<\/p>\n

      \/\/ JS\u8fd9\u8fb9:\u6bcf\u4e00\u5e27\u7b97\u4e00\u4e2a\u65b0\u7684\u65f6\u95f4\u503c,\u4f20\u7ed9uniform<\/span>
      \nconst<\/span> uTime =<\/span> gl.<\/span>getUniformLocation<\/span>(<\/span>program,<\/span> 'uTime'<\/span>)<\/span>;<\/span><\/p>\n

      function<\/span> render<\/span>(<\/span>now<\/span>)<\/span> {<\/span>
      \n gl.<\/span>uniform1f<\/span>(<\/span>uTime,<\/span> now *<\/span> 0.001<\/span>)<\/span>;<\/span> \/\/ \u4f20\u5165\u5f53\u524d\u65f6\u95f4(\u79d2)<\/span>
      \n gl.<\/span>drawArrays<\/span>(<\/span>gl.<\/span>TRIANGLES<\/span>,<\/span> 0<\/span>,<\/span> 3<\/span>)<\/span>;<\/span>
      \n requestAnimationFrame<\/span>(<\/span>render)<\/span>;<\/span>
      \n}<\/span>
      \nrequestAnimationFrame<\/span>(<\/span>render)<\/span>;<\/span><\/p>\n

      \/\/ \u9876\u70b9\u7740\u8272\u5668:\u7528uniform\u4f20\u8fdb\u6765\u7684\u65f6\u95f4,\u8ba9\u4e09\u89d2\u5f62\u8f6c\u8d77\u6765
      \nattribute vec2 aPosition;
      \nuniform float uTime;<\/p>\n

      void main() {
      \n float angle = uTime; \/\/ \u89d2\u5ea6\u968f\u65f6\u95f4\u53d8\u5316
      \n mat2 rotation = mat2(cos(angle), -sin(angle), sin(angle), cos(angle));
      \n gl_Position = vec4(rotation * aPosition, 0.0, 1.0);
      \n}<\/p>\n

      \u8fd9\u91ccgl.uniform1f()\u5c31\u662fJS\u5f80GPU\u90a3\u8fb9"\u5582"uniform\u6570\u636e\u7684\u65b9\u5f0f\u2014\u2014\u6bcf\u4e00\u5e27\u8c03\u7528\u4e00\u6b21，\u628a\u6700\u65b0\u7684\u65f6\u95f4\u503c\u4f20\u8fdb\u53bb，\u7740\u8272\u5668\u4ee3\u7801\u672c\u8eab\u5b8c\u5168\u4e0d\u7528\u53d8\u3002\u8fd9\u6b63\u597d\u547c\u5e94\u7b2c\u4e00\u8282\u8bf4\u7684"\u540c\u4e00\u6bb5\u4ee3\u7801，\u5582\u4e0d\u540c\u7684\u6570\u636e"\u3002<\/p>\n

      \u63d2\u56fe\u91cc\u4e4b\u6240\u4ee5uniform\u540c\u65f6\u753b\u4e86\u4e24\u6761\u7bad\u5934（\u5206\u522b\u6307\u5411\u9876\u70b9\u7740\u8272\u5668\u548c\u7247\u5143\u7740\u8272\u5668），\u662f\u56e0\u4e3auniform\u5728\u8fd9\u4e24\u6bb5\u7740\u8272\u5668\u91cc\u90fd\u80fd\u76f4\u63a5\u8bfb\u53d6\u2014\u2014\u6bd4\u5982\u4f60\u53ef\u80fd\u65e2\u8981\u7528uTime\u63a7\u5236\u9876\u70b9\u7684\u65cb\u8f6c，\u4e5f\u8981\u7528\u5b83\u63a7\u5236\u7247\u5143\u7740\u8272\u5668\u91cc\u989c\u8272\u7684\u6e10\u53d8\u8282\u594f\u3002<\/p>\n

      4. varying：\u9876\u70b9\u7b97\u51fa\u6765\u7684\u503c，\u63d2\u503c\u4e4b\u540e\u624d\u8f6e\u5230\u7247\u5143\u7740\u8272\u5668\u7528<\/h4>\n

      varying\u6bd4\u8f83\u7279\u6b8a，\u5b83\u4e0d\u662f\u4eceJS\u90a3\u8fb9\u4f20\u8fdb\u6765\u7684，\u800c\u662f\u9876\u70b9\u7740\u8272\u5668\u7b97\u51fa\u6765\u3001\u5149\u6805\u5316\u7684\u65f6\u5019\u81ea\u52a8\u505a\u63d2\u503c\u3001\u518d\u4ea4\u7ed9\u7247\u5143\u7740\u8272\u5668\u7684\u4e00\u4efd\u6570\u636e\u3002\u4e0a\u4e00\u8282\u672b\u5c3e\u90a3\u6bb5"\u4e09\u89d2\u5f62\u989c\u8272\u6e10\u53d8"\u7684\u4ee3\u7801\u5c31\u662f\u5178\u578b\u4f8b\u5b50：\u4e09\u4e2a\u9876\u70b9\u5404\u81ea\u8f93\u51fa\u4e00\u4e2a\u989c\u8272，\u4e2d\u95f4\u7684\u6bcf\u4e2a\u50cf\u7d20\u62ff\u5230\u7684\u90fd\u662f\u63d2\u503c\u4e4b\u540e\u7684\u8fc7\u6e21\u8272\u3002<\/p>\n

      \u9700\u8981\u7279\u522b\u6ce8\u610f\u7684\u662f：varying\u53d8\u91cf\u7684\u540d\u5b57，\u5fc5\u987b\u5728\u9876\u70b9\u7740\u8272\u5668\u548c\u7247\u5143\u7740\u8272\u5668\u91cc\u5b8c\u5168\u5bf9\u4e0a，GPU\u662f\u9760\u540d\u5b57\u5339\u914d\u7684，\u5199\u9519\u4e00\u4e2a\u5b57\u6bcd，\u989c\u8272\u5c31\u4f20\u4e0d\u8fc7\u53bb\u3002<\/p>\n

      5. \u4e09\u6761\u6570\u636e\u65c5\u7a0b，\u5bf9\u5e94\u4e09\u79cd\u771f\u5b9e\u9700\u6c42<\/h4>\n

      \u628a\u8fd9\u4e09\u4e2a\u5173\u952e\u5b57\u548c\u63d2\u56fe\u91cc\u7684\u4e09\u6761\u8def\u5f84\u5bf9\u4e0a\u53f7：<\/p>\n\n\u5173\u952e\u5b57\u6570\u636e\u6765\u6e90\u4f5c\u7528\u8303\u56f4\u5178\u578b\u7528\u9014<\/tr>\n\n\n\n\n
      attribute<\/td>\nJS\u7684\u9876\u70b9\u6570\u7ec4<\/td>\n\u53ea\u5728\u9876\u70b9\u7740\u8272\u5668,\u6bcf\u4e2a\u9876\u70b9\u5404\u4e0d\u76f8\u540c<\/td>\n\u9876\u70b9\u5750\u6807\u3001\u6cd5\u7ebf\u3001\u6bcf\u9876\u70b9\u989c\u8272<\/td>\n<\/tr>\n
      uniform<\/td>\nJS\u5355\u6b21\u8d4b\u503c<\/td>\n\u9876\u70b9+\u7247\u5143\u7740\u8272\u5668\u90fd\u80fd\u8bfb,\u8fd9\u6b21\u7ed8\u5236\u91cc\u5168\u5c40\u4e0d\u53d8<\/td>\n\u65f6\u95f4\u3001\u53d8\u6362\u77e9\u9635\u3001\u5168\u5c40\u989c\u8272<\/td>\n<\/tr>\n
      varying<\/td>\n\u9876\u70b9\u7740\u8272\u5668\u7b97\u51fa<\/td>\n\u9876\u70b9\u7740\u8272\u5668\u2192(\u63d2\u503c)\u2192\u7247\u5143\u7740\u8272\u5668<\/td>\n\u4f20\u9012\u989c\u8272\u3001\u4f20\u9012UV\u5750\u6807\u7b49\u9700\u8981\u8fc7\u6e21\u7684\u6570\u636e<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

      \u4e09\u6761\u8def\u5f84\u6253\u901a\u4e4b\u540e，\u6211\u4eec\u5df2\u7ecf\u5177\u5907\u4e86\u8ba9\u4e09\u89d2\u5f62"\u8f6c\u8d77\u6765\u3001\u53d8\u8272"\u6240\u9700\u8981\u7684\u5168\u90e8\u6570\u636e\u4f20\u9012\u624b\u6bb5\u3002\u4e0b\u4e00\u8282\u5c31\u628a\u88c1\u526a\u7a7a\u95f4\u5750\u6807(NDC)\u548c\u771f\u5b9e\u7684\u65cb\u8f6c\/\u4f4d\u79fb\u53d8\u6362\u5173\u7cfb\u8bb2\u6e05\u695a，\u4e3a\u7b2c\u4e94\u8282\u7684\u52a8\u624bdemo\u505a\u6700\u540e\u7684\u51c6\u5907\u3002<\/p>\n

      \u56db\u3001\u4eceNDC\u5230\u771f\u5b9e\u5750\u6807：\u53d8\u6362\u662f\u600e\u4e48\u53d1\u751f\u7684<\/h3>\n

      \"\u8bf7\u6dfb\u52a0\u56fe\u7247\u63cf\u8ff0\"<\/p>\n

      1. \u9876\u70b9\u7740\u8272\u5668\u8f93\u51fa\u7684，\u4ece\u6765\u4e0d\u662f\u50cf\u7d20\u5750\u6807<\/h4>\n

      \u7b2c\u4e09\u8282\u5199gl_Position = vec4(aPosition, 0.0, 1.0)\u7684\u65f6\u5019，\u4f60\u53ef\u80fd\u6ca1\u7ec6\u60f3\u8fc7\u4e00\u4ef6\u4e8b：\u8fd9\u4e2a\u8f93\u51fa\u503c，\u5355\u4f4d\u5230\u5e95\u662f\u4ec0\u4e48？<\/p>\n

      \u7b54\u6848\u662f：\u65e2\u4e0d\u662f\u50cf\u7d20，\u4e5f\u4e0d\u662fCSS\u50cf\u7d20，\u800c\u662f\u4e00\u5957\u88ab\u9650\u5b9a\u5728-1\u52301\u4e4b\u95f4\u7684\u5750\u6807\u7cfb\u7edf，\u4e13\u4e1a\u540d\u5b57\u53eb\u88c1\u526a\u7a7a\u95f4\u5750\u6807（Clipping Space Coordinates），\u66f4\u5e38\u7528\u7684\u53eb\u6cd5\u662fNDC（Normalized Device Coordinates，\u5f52\u4e00\u5316\u8bbe\u5907\u5750\u6807）\u3002\u4e0d\u7ba1\u4f60\u7684canvas\u5b9e\u9645\u662f400\u00d7300\u50cf\u7d20，\u8fd8\u662f1920\u00d71080\u50cf\u7d20，\u9876\u70b9\u7740\u8272\u5668\u6700\u7ec8\u8f93\u51fa\u7684x\u3001y\u503c\u90fd\u5fc5\u987b\u843d\u5728-1\u52301\u8fd9\u4e2a\u533a\u95f4\u91cc\u2014\u2014\u8d85\u51fa\u8fd9\u4e2a\u8303\u56f4\u7684\u90e8\u5206，\u4f1a\u5728\u5149\u6805\u5316\u4e4b\u524d\u88ab\u76f4\u63a5\u88c1\u6389，\u8fd9\u4e5f\u662f"\u88c1\u526a\u7a7a\u95f4"\u8fd9\u4e2a\u540d\u5b57\u7684\u6765\u5386\u3002<\/p>\n

      \u8fd9\u4e5f\u662f\u4e3a\u4ec0\u4e48\u7b2c\u4e8c\u7bc7\u300a\u5750\u6807\u7cfb\u7edf\u300b\u91cc\u5f3a\u8c03"\u753b\u9762\u2260\u6570\u636e"\u8fd9\u4ef6\u4e8b，\u5728WebGL\u8fd9\u91cc\u4f53\u73b0\u5f97\u683c\u5916\u76f4\u63a5：GPU\u538b\u6839\u4e0d\u5173\u5fc3\u4f60\u7684canvas\u6709\u591a\u5c11\u50cf\u7d20，\u5b83\u53ea\u5173\u5fc3\u4f60\u7ed9\u7684\u5750\u6807\u843d\u6ca1\u843d\u5728\u8fd9\u4e2a-1\u52301\u7684\u76d2\u5b50\u91cc\u3002<\/p>\n

      2. \u8c01\u6765\u8d1f\u8d23"\u4eceNDC\u53d8\u56de\u771f\u5b9e\u50cf\u7d20"<\/h4>\n

      \u771f\u6b63\u7684\u6620\u5c04\u5de5\u4f5c，\u63d2\u56fe\u91cc\u5df2\u7ecf\u753b\u51fa\u6765\u4e86：GPU\u5728\u5149\u6805\u5316\u4e4b\u524d，\u4f1a\u505a\u4e00\u6b21\u89c6\u53e3\u53d8\u6362（Viewport Transform），\u628aNDC\u91cc\u7684-1\u52301，\u6309\u4f60\u8bbe\u7f6e\u7684\u753b\u5e03\u5c3a\u5bf8，\u91cd\u65b0\u6620\u5c04\u56de\u771f\u5b9e\u7684\u50cf\u7d20\u5750\u6807\u3002\u8fd9\u4e00\u6b65\u4e0d\u9700\u8981\u4f60\u5199\u4efb\u4f55\u4ee3\u7801，WebGL\u5728\u4f60\u8c03\u7528gl.viewport(0, 0, canvas.width, canvas.height)\u8bbe\u7f6e\u597d\u753b\u5e03\u5c3a\u5bf8\u540e，\u4f1a\u81ea\u52a8\u5e2e\u4f60\u5b8c\u6210\u3002<\/p>\n

      \u4f46\u8fd9\u4e2d\u95f4\u85cf\u7740\u4e00\u4e2a\u5bb9\u6613\u8e29\u7684\u5751\u2014\u2014Y\u8f74\u65b9\u5411\u7ffb\u8f6c\u4e86\u3002NDC\u91ccY\u8f74\u5411\u4e0a\u4e3a\u6b63（\u6570\u5b66\u5750\u6807\u7cfb\u7684\u4e60\u60ef），\u800c\u771f\u5b9e\u7684\u50cf\u7d20\u753b\u5e03\u5750\u6807\u662fY\u8f74\u5411\u4e0b\u4e3a\u6b63\u3001\u539f\u70b9\u5728\u5de6\u4e0a\u89d2（\u8fd9\u6b63\u662f\u7b2c\u4e8c\u7bc7\u8bb2\u8fc7\u7684"\u5c4f\u5e55\u5750\u6807\u7cfb"）\u3002GPU\u7684\u89c6\u53e3\u53d8\u6362\u4f1a\u81ea\u52a8\u5e2e\u4f60\u5904\u7406\u8fd9\u6b21\u7ffb\u8f6c，\u4f60\u4e0d\u9700\u8981\u624b\u52a8\u53bb\u53cd\u8f6cY\u503c\u2014\u2014\u4f46\u7406\u89e3\u8fd9\u4e2a\u7ffb\u8f6c\u786e\u5b9e\u53d1\u751f\u4e86，\u80fd\u5e2e\u4f60\u5728\u540e\u9762\u8c03\u8bd5"\u56fe\u5f62\u4e0a\u4e0b\u98a0\u5012"\u8fd9\u7c7b\u95ee\u9898\u65f6，\u5c11\u8d70\u5f2f\u8def\u3002<\/p>\n

      3. \u65cb\u8f6c\u3001\u7f29\u653e，\u90fd\u662f\u5728NDC\u8fd9\u4e2a\u76d2\u5b50\u91cc\u53d1\u751f\u7684<\/h4>\n

      \u7b2c\u4e09\u8282uniform\u90a3\u90e8\u5206\u7684\u65cb\u8f6cdemo，\u7528\u5230\u4e86\u4e00\u4e2a\u65cb\u8f6c\u77e9\u9635：<\/p>\n

      float angle = uTime;
      \nmat2 rotation = mat2(cos(angle), -sin(angle), sin(angle), cos(angle));
      \ngl_Position = vec4(rotation * aPosition, 0.0, 1.0);<\/p>\n

      \u8fd9\u91cc\u6709\u4e2a\u5173\u952e\u70b9：\u8fd9\u4e2a\u65cb\u8f6c，\u662f\u5728NDC\u8fd9\u4e2a-1\u52301\u7684\u7a7a\u95f4\u91cc\u53d1\u751f\u7684，\u4e0d\u662f\u5728\u50cf\u7d20\u7a7a\u95f4\u91cc\u53d1\u751f\u7684\u3002 aPosition\u672c\u8eab\u5df2\u7ecf\u662f-1\u52301\u8303\u56f4\u5185\u7684\u5750\u6807，\u4e58\u4e0a\u65cb\u8f6c\u77e9\u9635\u4e4b\u540e，\u8f93\u51fa\u7684gl_Position\u4e5f\u8fd8\u843d\u5728\u8fd9\u4e2a\u8303\u56f4\u5185\u2014\u2014GPU\u8d1f\u8d23\u7684\u89c6\u53e3\u53d8\u6362，\u662f\u5728\u8fd9\u4e00\u5207\u90fd\u7b97\u5b8c\u4e4b\u540e\u624d\u53d1\u751f\u7684\u6700\u540e\u4e00\u6b65\u3002<\/p>\n

      \u8fd9\u4e5f\u662f\u4e3a\u4ec0\u4e48\u56fe\u5f62\u53d8\u6362（\u5e73\u79fb\u3001\u65cb\u8f6c\u3001\u7f29\u653e）\u51e0\u4e4e\u90fd\u4e60\u60ef\u5199\u6210\u77e9\u9635\u4e58\u6cd5\u7684\u5f62\u5f0f：\u4e0d\u7ba1\u662fmat2（2\u00d72\u77e9\u9635，\u7ba1\u65cb\u8f6c\u7f29\u653e）\u8fd8\u662f\u540e\u97623D\u573a\u666f\u91cc\u4f1a\u7528\u5230\u7684mat4（4\u00d74\u77e9\u9635，\u7ba1\u5e73\u79fb+\u65cb\u8f6c+\u7f29\u653e+\u900f\u89c6\u6295\u5f71），\u90fd\u662f\u5728\u8fd9\u5957\u7edf\u4e00\u7684\u3001\u4ee5\u539f\u70b9\u4e3a\u4e2d\u5fc3\u7684\u5750\u6807\u7a7a\u95f4\u91cc\u505a\u8fd0\u7b97，\u8fd0\u7b97\u5b8c\u4e86\u624d\u4e00\u6b21\u6027\u6620\u5c04\u5230\u771f\u5b9e\u753b\u5e03\u2014\u2014\u8fd9\u6837GPU\u624d\u80fd\u628a\u540c\u4e00\u5957\u77e9\u9635\u8fd0\u7b97，\u6279\u91cf\u5957\u7528\u5728\u6210\u5343\u4e0a\u4e07\u4e2a\u9876\u70b9\u4e0a\u3002<\/p>\n

      4. \u5c0f\u7ed3：\u4e09\u5c42\u5750\u6807，\u5404\u53f8\u5176\u804c<\/h4>\n\n\u5750\u6807\u7cfb\u7edf\u8303\u56f4\u8c01\u5728\u7528\u7531\u8c01\u8d1f\u8d23\u6620\u5c04<\/tr>\n\n\n\n\n
      CSS\u50cf\u7d20\u5750\u6807<\/td>\n0\u5230canvas\u7684CSS\u5bbd\u9ad8<\/td>\nHTML\/CSS\u5e03\u5c40<\/td>\n\u6d4f\u89c8\u5668<\/td>\n<\/tr>\n
      NDC(\u88c1\u526a\u7a7a\u95f4\u5750\u6807)<\/td>\n-1\u52301,Y\u8f74\u5411\u4e0a<\/td>\n\u9876\u70b9\u7740\u8272\u5668\u7684\u8f93\u51fa<\/td>\n\u4f60\u5728\u7740\u8272\u5668\u91cc\u624b\u52a8\u8ba1\u7b97<\/td>\n<\/tr>\n
      \u771f\u5b9e\u50cf\u7d20\u5750\u6807<\/td>\n0\u5230canvas.width\/height,Y\u8f74\u5411\u4e0b<\/td>\n\u6700\u7ec8\u753b\u5728\u5c4f\u5e55\u4e0a\u7684\u4f4d\u7f6e<\/td>\nGPU\u7684\u89c6\u53e3\u53d8\u6362,\u81ea\u52a8\u5b8c\u6210<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

      \u641e\u6e05\u695a\u8fd9\u4e09\u5c42\u5750\u6807\u5404\u81ea\u7684\u8303\u56f4\u548c\u804c\u8d23，\u7b2c\u4e94\u8282\u7684\u65cb\u8f6c+\u53d8\u8272demo\u91cc\u6240\u6709\u7684\u6570\u503c\u5c31\u90fd\u6709\u636e\u53ef\u4f9d\u4e86\u3002\u4e0b\u4e00\u8282\u6211\u4eec\u5c31\u628a\u524d\u9762\u4e09\u3001\u56db\u8282\u8bb2\u7684attribute\u3001uniform\u3001varying\u548c\u8fd9\u5957NDC\u53d8\u6362，\u5168\u90e8\u63c9\u8fdb\u4e00\u4e2a\u771f\u6b63\u80fd\u8dd1\u8d77\u6765\u3001\u4f1a\u8f6c\u4f1a\u53d8\u8272\u7684demo\u91cc\u3002<\/p>\n

      \u4e94\u3001\u52a8\u624b\u505a\u4e00\u4e2a\u4f1a\u8f6c\u3001\u4f1a\u53d8\u8272\u7684\u4e09\u89d2\u5f62<\/h3>\n

      \u524d\u9762\u56db\u8282\u6512\u4e0b\u6765\u7684\u4e1c\u897f，\u8fd9\u4e00\u8282\u8981\u5168\u90e8\u7528\u4e0a：attribute\u4f20\u9876\u70b9\u4f4d\u7f6e\u3001uniform\u4f20\u65f6\u95f4\u9a71\u52a8\u65cb\u8f6c\u548c\u53d8\u8272\u3001varying\u628a\u9876\u70b9\u989c\u8272\u63d2\u503c\u4f20\u7ed9\u7247\u5143\u7740\u8272\u5668\u3001\u65cb\u8f6c\u77e9\u9635\u5728NDC\u7a7a\u95f4\u91cc\u505a\u53d8\u6362\u3002\u62fc\u8d77\u6765，\u5c31\u662f\u4e00\u4e2a\u771f\u6b63\u4f1a\u8f6c\u3001\u4f1a\u6e10\u53d8\u7684\u4e09\u89d2\u5f62\u3002<\/p>\n

      \"\u8bf7\u6dfb\u52a0\u56fe\u7247\u63cf\u8ff0\"<\/p>\n

      1. \u9876\u70b9\u7740\u8272\u5668：\u7ba1\u65cb\u8f6c，\u4e5f\u7ba1\u6bcf\u4e2a\u9876\u70b9\u7684\u989c\u8272<\/h4>\n

      attribute vec2 aPosition;
      \nattribute vec3 aColor;<\/p>\n

      uniform float uTime;<\/p>\n

      varying vec3 vColor;<\/p>\n

      void main() {
      \n float angle = uTime; \/\/ \u65cb\u8f6c\u89d2\u5ea6\u968f\u65f6\u95f4\u53d8\u5316
      \n mat2 rotation = mat2(
      \n cos(angle), -sin(angle),
      \n sin(angle), cos(angle)
      \n );<\/p>\n

      gl_Position = vec4(rotation * aPosition, 0.0, 1.0);
      \n vColor = aColor; \/\/ \u628a\u6bcf\u4e2a\u9876\u70b9\u7684\u989c\u8272\u4ea4\u7ed9varying,\u63d2\u503c\u540e\u4f20\u7ed9\u7247\u5143\u7740\u8272\u5668
      \n}<\/p>\n

      aPosition\u548caColor\u662fattribute，\u6bcf\u4e2a\u9876\u70b9\u5404\u81ea\u72ec\u7acb；uTime\u662funiform，\u8fd9\u4e00\u5e27\u91cc\u6240\u6709\u9876\u70b9\u5171\u7528\u540c\u4e00\u4e2a\u503c；vColor\u662fvarying，\u8d1f\u8d23\u628a\u989c\u8272\u63a5\u529b\u4f20\u7ed9\u7247\u5143\u7740\u8272\u5668\u3002<\/p>\n

      2. \u7247\u5143\u7740\u8272\u5668：\u63a5\u4f4f\u63d2\u503c\u540e\u7684\u989c\u8272<\/h4>\n

      precision mediump float;
      \nvarying vec3 vColor;<\/p>\n

      void main() {
      \n gl_FragColor = vec4(vColor, 1.0);
      \n}<\/p>\n

      \u7247\u5143\u7740\u8272\u5668\u8fd9\u8fb9\u975e\u5e38\u7b80\u5355\u2014\u2014\u5b83\u4e0d\u7528\u5173\u5fc3\u989c\u8272\u662f\u600e\u4e48\u63d2\u503c\u51fa\u6765\u7684，GPU\u5df2\u7ecf\u5728\u5149\u6805\u5316\u9636\u6bb5\u628a\u8fd9\u4ef6\u4e8b\u505a\u5b8c\u4e86，\u5b83\u53ea\u7ba1\u628a\u62ff\u5230\u7684vColor\u76f4\u63a5\u8f93\u51fa\u3002<\/p>\n

      3. JS\u8fd9\u8fb9：\u51c6\u5907\u6570\u636e\u3001\u6bcf\u5e27\u66f4\u65b0uTime<\/h4>\n

      const<\/span> canvas =<\/span> document.<\/span>getElementById<\/span>(<\/span>'stage'<\/span>)<\/span>;<\/span>
      \nconst<\/span> gl =<\/span> canvas.<\/span>getContext<\/span>(<\/span>'webgl'<\/span>)<\/span>;<\/span><\/p>\n

      function<\/span> compileShader<\/span>(<\/span>gl,<\/span> type,<\/span> source<\/span>)<\/span> {<\/span>
      \n const<\/span> shader =<\/span> gl.<\/span>createShader<\/span>(<\/span>type)<\/span>;<\/span>
      \n gl.<\/span>shaderSource<\/span>(<\/span>shader,<\/span> source)<\/span>;<\/span>
      \n gl.<\/span>compileShader<\/span>(<\/span>shader)<\/span>;<\/span>
      \n return<\/span> shader;<\/span>
      \n}<\/span><\/p>\n

      const<\/span> vs =<\/span> compileShader<\/span>(<\/span>gl,<\/span> gl.<\/span>VERTEX_SHADER<\/span>,<\/span> vertexSrc)<\/span>;<\/span> \/\/ \u4e0a\u9762\u7684\u9876\u70b9\u7740\u8272\u5668\u6e90\u7801<\/span>
      \nconst<\/span> fs =<\/span> compileShader<\/span>(<\/span>gl,<\/span> gl.<\/span>FRAGMENT_SHADER<\/span>,<\/span> fragmentSrc)<\/span>;<\/span> \/\/ \u4e0a\u9762\u7684\u7247\u5143\u7740\u8272\u5668\u6e90\u7801<\/span><\/p>\n

      const<\/span> program =<\/span> gl.<\/span>createProgram<\/span>(<\/span>)<\/span>;<\/span>
      \ngl.<\/span>attachShader<\/span>(<\/span>program,<\/span> vs)<\/span>;<\/span>
      \ngl.<\/span>attachShader<\/span>(<\/span>program,<\/span> fs)<\/span>;<\/span>
      \ngl.<\/span>linkProgram<\/span>(<\/span>program)<\/span>;<\/span>
      \ngl.<\/span>useProgram<\/span>(<\/span>program)<\/span>;<\/span><\/p>\n

      \/\/ \u4e09\u4e2a\u9876\u70b9\u7684\u4f4d\u7f6e(NDC\u5750\u6807,-1\u52301)<\/span>
      \nconst<\/span> positions =<\/span> new<\/span> Float32Array<\/span>(<\/span>[<\/span>
      \n 0.0<\/span>,<\/span> 0.6<\/span>,<\/span>
      \n –<\/span>0.6<\/span>,<\/span> –<\/span>0.4<\/span>,<\/span>
      \n 0.6<\/span>,<\/span> –<\/span>0.4<\/span>,<\/span>
      \n]<\/span>)<\/span>;<\/span>
      \nconst<\/span> positionBuffer =<\/span> gl.<\/span>createBuffer<\/span>(<\/span>)<\/span>;<\/span>
      \ngl.<\/span>bindBuffer<\/span>(<\/span>gl.<\/span>ARRAY_BUFFER<\/span>,<\/span> positionBuffer)<\/span>;<\/span>
      \ngl.<\/span>bufferData<\/span>(<\/span>gl.<\/span>ARRAY_BUFFER<\/span>,<\/span> positions,<\/span> gl.<\/span>STATIC_DRAW<\/span>)<\/span>;<\/span><\/p>\n

      const<\/span> aPosition =<\/span> gl.<\/span>getAttribLocation<\/span>(<\/span>program,<\/span> 'aPosition'<\/span>)<\/span>;<\/span>
      \ngl.<\/span>enableVertexAttribArray<\/span>(<\/span>aPosition)<\/span>;<\/span>
      \ngl.<\/span>vertexAttribPointer<\/span>(<\/span>aPosition,<\/span> 2<\/span>,<\/span> gl.<\/span>FLOAT<\/span>,<\/span> false<\/span>,<\/span> 0<\/span>,<\/span> 0<\/span>)<\/span>;<\/span><\/p>\n

      \/\/ \u4e09\u4e2a\u9876\u70b9\u5404\u81ea\u7684\u989c\u8272(\u7ea2\u3001\u7eff\u3001\u84dd\u4e09\u4e2a\u89d2,\u7247\u5143\u7740\u8272\u5668\u4f1a\u81ea\u52a8\u63d2\u503c\u8fc7\u6e21)<\/span>
      \nconst<\/span> colors =<\/span> new<\/span> Float32Array<\/span>(<\/span>[<\/span>
      \n 1.0<\/span>,<\/span> 0.2<\/span>,<\/span> 0.2<\/span>,<\/span>
      \n 0.2<\/span>,<\/span> 1.0<\/span>,<\/span> 0.3<\/span>,<\/span>
      \n 0.2<\/span>,<\/span> 0.4<\/span>,<\/span> 1.0<\/span>,<\/span>
      \n]<\/span>)<\/span>;<\/span>
      \nconst<\/span> colorBuffer =<\/span> gl.<\/span>createBuffer<\/span>(<\/span>)<\/span>;<\/span>
      \ngl.<\/span>bindBuffer<\/span>(<\/span>gl.<\/span>ARRAY_BUFFER<\/span>,<\/span> colorBuffer)<\/span>;<\/span>
      \ngl.<\/span>bufferData<\/span>(<\/span>gl.<\/span>ARRAY_BUFFER<\/span>,<\/span> colors,<\/span> gl.<\/span>STATIC_DRAW<\/span>)<\/span>;<\/span><\/p>\n

      const<\/span> aColor =<\/span> gl.<\/span>getAttribLocation<\/span>(<\/span>program,<\/span> 'aColor'<\/span>)<\/span>;<\/span>
      \ngl.<\/span>enableVertexAttribArray<\/span>(<\/span>aColor)<\/span>;<\/span>
      \ngl.<\/span>vertexAttribPointer<\/span>(<\/span>aColor,<\/span> 3<\/span>,<\/span> gl.<\/span>FLOAT<\/span>,<\/span> false<\/span>,<\/span> 0<\/span>,<\/span> 0<\/span>)<\/span>;<\/span><\/p>\n

      const<\/span> uTime =<\/span> gl.<\/span>getUniformLocation<\/span>(<\/span>program,<\/span> 'uTime'<\/span>)<\/span>;<\/span><\/p>\n

      function<\/span> render<\/span>(<\/span>now<\/span>)<\/span> {<\/span>
      \n gl.<\/span>viewport<\/span>(<\/span>0<\/span>,<\/span> 0<\/span>,<\/span> canvas.<\/span>width,<\/span> canvas.<\/span>height)<\/span>;<\/span>
      \n gl.<\/span>clearColor<\/span>(<\/span>1<\/span>,<\/span> 1<\/span>,<\/span> 1<\/span>,<\/span> 1<\/span>)<\/span>;<\/span>
      \n gl.<\/span>clear<\/span>(<\/span>gl.<\/span>COLOR_BUFFER_BIT<\/span>)<\/span>;<\/span><\/p>\n

      gl.<\/span>uniform1f<\/span>(<\/span>uTime,<\/span> now *<\/span> 0.001<\/span>)<\/span>;<\/span> \/\/ \u6bcf\u5e27\u66f4\u65b0\u65f6\u95f4,\u9a71\u52a8\u65cb\u8f6c<\/span>
      \n gl.<\/span>drawArrays<\/span>(<\/span>gl.<\/span>TRIANGLES<\/span>,<\/span> 0<\/span>,<\/span> 3<\/span>)<\/span>;<\/span><\/p>\n

      requestAnimationFrame<\/span>(<\/span>render)<\/span>;<\/span>
      \n}<\/span>
      \nrequestAnimationFrame<\/span>(<\/span>render)<\/span>;<\/span><\/p>\n

      4. \u6bcf\u4e00\u884c\u90fd\u80fd\u5bf9\u4e0a\u524d\u56db\u8282\u8bb2\u8fc7\u7684\u6982\u5ff5<\/h4>\n

      \u8dd1\u8d77\u6765\u4e4b\u540e，\u8fd9\u4e2a\u4e09\u89d2\u5f62\u4f1a\u4e00\u8fb9\u65cb\u8f6c，\u4e00\u8fb9\u5728\u7ea2\u3001\u7eff\u3001\u84dd\u4e09\u4e2a\u9876\u70b9\u8272\u4e4b\u95f4\u5e73\u6ed1\u8fc7\u6e21\u3002\u62c6\u5f00\u770b，\u6bcf\u4e00\u90e8\u5206\u90fd\u80fd\u5bf9\u5e94\u5230\u524d\u9762\u8bb2\u8fc7\u7684\u4e1c\u897f：<\/p>\n\n\u4ee3\u7801\u91cc\u7684\u8fd9\u90e8\u5206\u5bf9\u5e94\u7b2c\u51e0\u8282\u8bb2\u7684\u6982\u5ff5<\/tr>\n\n\n\n\n\n\n\n
      positions\u6570\u7ec4，\u6bcf\u4e2a\u9876\u70b9\u72ec\u7acb\u5750\u6807<\/td>\n\u7b2c\u4e09\u8282：attribute<\/td>\n<\/tr>\n
      colors\u6570\u7ec4，\u6bcf\u4e2a\u9876\u70b9\u72ec\u7acb\u989c\u8272<\/td>\n\u7b2c\u4e09\u8282：attribute<\/td>\n<\/tr>\n
      gl.uniform1f(uTime, …)\u6bcf\u5e27\u66f4\u65b0<\/td>\n\u7b2c\u4e09\u8282：uniform<\/td>\n<\/tr>\n
      vColor\u5728\u4e24\u6bb5\u7740\u8272\u5668\u95f4\u4f20\u9012<\/td>\n\u7b2c\u4e8c\u3001\u4e09\u8282：varying<\/td>\n<\/tr>\n
      mat2(cos, -sin, sin, cos)\u65cb\u8f6c\u77e9\u9635<\/td>\n\u7b2c\u56db\u8282：NDC\u7a7a\u95f4\u91cc\u7684\u53d8\u6362<\/td>\n<\/tr>\n
      positions\u91cc\u7684\u503c\u90fd\u5728-1\u52301\u4e4b\u95f4<\/td>\n\u7b2c\u56db\u8282：\u88c1\u526a\u7a7a\u95f4\u5750\u6807<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

      \u4ece\u7b2c\u4e00\u8282\u90a3\u4e2a"\u5199\u6b7b\u989c\u8272\u548c\u4f4d\u7f6e"\u7684\u6807\u672c，\u5230\u73b0\u5728\u8fd9\u4e2a\u4f1a\u8f6c\u3001\u4f1a\u53d8\u8272\u7684\u4e09\u89d2\u5f62，attribute\u8d1f\u8d23\u5582\u8fdb\u6bcf\u4e2a\u9876\u70b9\u7684\u4e2a\u4f53\u6570\u636e，uniform\u8d1f\u8d23\u5582\u8fdb\u968f\u65f6\u95f4\u53d8\u5316\u7684\u5168\u5c40\u6570\u636e，varying\u8d1f\u8d23\u628a\u9876\u70b9\u7b97\u51fa\u7684\u7ed3\u679c\u63a5\u529b\u4f20\u7ed9\u50cf\u7d20\u2014\u2014\u8fd9\u4e09\u6761\u6570\u636e\u65c5\u7a0b，\u52a0\u4e0aNDC\u7a7a\u95f4\u91cc\u7684\u77e9\u9635\u53d8\u6362，\u5c31\u662fWebGL\u91cc\u505a\u4efb\u4f55\u52a8\u6001\u7279\u6548\u7684\u6700\u57fa\u672c\u9aa8\u67b6\u3002<\/p>\n

      5. \u5b8c\u6574\u4ee3\u7801<\/h4>\n

      <<\/span>!<\/span>DOCTYPE<\/span> html><\/span>
      \n<<\/span>html lang=<\/span>"zh-CN"<\/span>><\/span>
      \n<<\/span>head><\/span>
      \n <<\/span>meta charset=<\/span>"UTF-8"<\/span>><\/span>
      \n <<\/span>title><\/span>WebGL \u65cb\u8f6c\u6e10\u53d8\u4e09\u89d2\u5f62<<\/span>\/<\/span>title><\/span>
      \n <<\/span>style><\/span>
      \n body {<\/span>
      \n font–<\/span>family:<\/span> –<\/span>apple–<\/span>system,<\/span> "PingFang SC"<\/span>,<\/span> "Microsoft YaHei"<\/span>,<\/span> sans–<\/span>serif;<\/span>
      \n background<\/span>:<\/span> #f1efe8;<\/span>
      \n display<\/span>:<\/span> flex;<\/span>
      \n flex–<\/span>direction:<\/span> column;<\/span>
      \n align–<\/span>items:<\/span> center;<\/span>
      \n padding<\/span>:<\/span> 40px 20px;<\/span>
      \n }<\/span>
      \n h1 {<\/span>
      \n font–<\/span>size:<\/span> 18px;<\/span>
      \n font–<\/span>weight:<\/span> 500<\/span>;<\/span>
      \n color<\/span>:<\/span> #2c2c2a;<\/span>
      \n margin<\/span>:<\/span> 0<\/span> 0<\/span> 8px;<\/span>
      \n }<\/span>
      \n p {<\/span>
      \n font–<\/span>size:<\/span> 13px;<\/span>
      \n color<\/span>:<\/span> #5f5e5a;<\/span>
      \n margin<\/span>:<\/span> 0<\/span> 0<\/span> 20px;<\/span>
      \n }<\/span>
      \n canvas {<\/span>
      \n border<\/span>:<\/span> 0<\/span>.<\/span>5px solid #b4b2a9;<\/span>
      \n border–<\/span>radius:<\/span> 8px;<\/span>
      \n background<\/span>:<\/span> #ffffff;<\/span>
      \n }<\/span>
      \n <<\/span>\/<\/span>style><\/span>
      \n<<\/span>\/<\/span>head><\/span>
      \n<<\/span>body><\/span><\/p>\n

      <<\/span>h1><\/span>WebGL \u65cb\u8f6c\u6e10\u53d8\u4e09\u89d2\u5f62<<\/span>\/<\/span>h1><\/span>
      \n<<\/span>p><\/span>attribute\u4f20\u4f4d\u7f6e\u548c\u989c\u8272 \u00b7 uniform\u4f20\u65f6\u95f4\u9a71\u52a8\u65cb\u8f6c \u00b7 varying\u63d2\u503c\u4f20\u9012\u989c\u8272<<\/span>\/<\/span>p><\/span><\/p>\n

      <<\/span>canvas id=<\/span>"stage"<\/span> width=<\/span>"500"<\/span> height=<\/span>"400"<\/span>><\/span><<\/span>\/<\/span>canvas><\/span><\/p>\n

      <<\/span>script><\/span>
      \n const<\/span> canvas =<\/span> document.<\/span>getElementById<\/span>(<\/span>'stage'<\/span>)<\/span>;<\/span>
      \n const<\/span> gl =<\/span> canvas.<\/span>getContext<\/span>(<\/span>'webgl'<\/span>)<\/span>;<\/span><\/p>\n

      if<\/span> (<\/span>!<\/span>gl)<\/span> {<\/span>
      \n document.<\/span>body.<\/span>innerHTML +=<\/span> '<p style="color:#A32D2D;">\u5f53\u524d\u6d4f\u89c8\u5668\u4e0d\u652f\u6301WebGL<\/p>'<\/span>;<\/span>
      \n }<\/span> else<\/span> {<\/span><\/p>\n

      \/\/ \u9876\u70b9\u7740\u8272\u5668:\u7ba1\u65cb\u8f6c,\u4e5f\u7ba1\u6bcf\u4e2a\u9876\u70b9\u7684\u989c\u8272<\/span>
      \n const<\/span> vertexSrc =<\/span> `<\/span>
      \n attribute vec2 aPosition;
      \n attribute vec3 aColor;<\/p>\n

      uniform float uTime;<\/p>\n

      varying vec3 vColor;<\/p>\n

      void main() {
      \n float angle = uTime;
      \n mat2 rotation = mat2(
      \n cos(angle), -sin(angle),
      \n sin(angle), cos(angle)
      \n );<\/p>\n

      gl_Position = vec4(rotation * aPosition, 0.0, 1.0);
      \n vColor = aColor;
      \n }
      \n <\/span>`<\/span><\/span>;<\/span><\/p>\n

      \/\/ \u7247\u5143\u7740\u8272\u5668:\u63a5\u4f4f\u63d2\u503c\u540e\u7684\u989c\u8272<\/span>
      \n const<\/span> fragmentSrc =<\/span> `<\/span>
      \n precision mediump float;
      \n varying vec3 vColor;<\/p>\n

      void main() {
      \n gl_FragColor = vec4(vColor, 1.0);
      \n }
      \n <\/span>`<\/span><\/span>;<\/span><\/p>\n

      function<\/span> compileShader<\/span>(<\/span>gl,<\/span> type,<\/span> source<\/span>)<\/span> {<\/span>
      \n const<\/span> shader =<\/span> gl.<\/span>createShader<\/span>(<\/span>type)<\/span>;<\/span>
      \n gl.<\/span>shaderSource<\/span>(<\/span>shader,<\/span> source)<\/span>;<\/span>
      \n gl.<\/span>compileShader<\/span>(<\/span>shader)<\/span>;<\/span>
      \n if<\/span> (<\/span>!<\/span>gl.<\/span>getShaderParameter<\/span>(<\/span>shader,<\/span> gl.<\/span>COMPILE_STATUS<\/span>)<\/span>)<\/span> {<\/span>
      \n console.<\/span>error<\/span>(<\/span>gl.<\/span>getShaderInfoLog<\/span>(<\/span>shader)<\/span>)<\/span>;<\/span>
      \n }<\/span>
      \n return<\/span> shader;<\/span>
      \n }<\/span><\/p>\n

      const<\/span> vs =<\/span> compileShader<\/span>(<\/span>gl,<\/span> gl.<\/span>VERTEX_SHADER<\/span>,<\/span> vertexSrc)<\/span>;<\/span>
      \n const<\/span> fs =<\/span> compileShader<\/span>(<\/span>gl,<\/span> gl.<\/span>FRAGMENT_SHADER<\/span>,<\/span> fragmentSrc)<\/span>;<\/span><\/p>\n

      const<\/span> program =<\/span> gl.<\/span>createProgram<\/span>(<\/span>)<\/span>;<\/span>
      \n gl.<\/span>attachShader<\/span>(<\/span>program,<\/span> vs)<\/span>;<\/span>
      \n gl.<\/span>attachShader<\/span>(<\/span>program,<\/span> fs)<\/span>;<\/span>
      \n gl.<\/span>linkProgram<\/span>(<\/span>program)<\/span>;<\/span>
      \n gl.<\/span>useProgram<\/span>(<\/span>program)<\/span>;<\/span><\/p>\n

      \/\/ \u4e09\u4e2a\u9876\u70b9\u7684\u4f4d\u7f6e(NDC\u5750\u6807,-1\u52301)<\/span>
      \n const<\/span> positions =<\/span> new<\/span> Float32Array<\/span>(<\/span>[<\/span>
      \n 0.0<\/span>,<\/span> 0.6<\/span>,<\/span>
      \n –<\/span>0.6<\/span>,<\/span> –<\/span>0.4<\/span>,<\/span>
      \n 0.6<\/span>,<\/span> –<\/span>0.4<\/span>,<\/span>
      \n ]<\/span>)<\/span>;<\/span>
      \n const<\/span> positionBuffer =<\/span> gl.<\/span>createBuffer<\/span>(<\/span>)<\/span>;<\/span>
      \n gl.<\/span>bindBuffer<\/span>(<\/span>gl.<\/span>ARRAY_BUFFER<\/span>,<\/span> positionBuffer)<\/span>;<\/span>
      \n gl.<\/span>bufferData<\/span>(<\/span>gl.<\/span>ARRAY_BUFFER<\/span>,<\/span> positions,<\/span> gl.<\/span>STATIC_DRAW<\/span>)<\/span>;<\/span><\/p>\n

      const<\/span> aPosition =<\/span> gl.<\/span>getAttribLocation<\/span>(<\/span>program,<\/span> 'aPosition'<\/span>)<\/span>;<\/span>
      \n gl.<\/span>enableVertexAttribArray<\/span>(<\/span>aPosition)<\/span>;<\/span>
      \n gl.<\/span>vertexAttribPointer<\/span>(<\/span>aPosition,<\/span> 2<\/span>,<\/span> gl.<\/span>FLOAT<\/span>,<\/span> false<\/span>,<\/span> 0<\/span>,<\/span> 0<\/span>)<\/span>;<\/span><\/p>\n

      \/\/ \u4e09\u4e2a\u9876\u70b9\u5404\u81ea\u7684\u989c\u8272(\u7ea2\u3001\u7eff\u3001\u84dd\u4e09\u4e2a\u89d2,\u7247\u5143\u7740\u8272\u5668\u4f1a\u81ea\u52a8\u63d2\u503c\u8fc7\u6e21)<\/span>
      \n const<\/span> colors =<\/span> new<\/span> Float32Array<\/span>(<\/span>[<\/span>
      \n 1.0<\/span>,<\/span> 0.2<\/span>,<\/span> 0.2<\/span>,<\/span>
      \n 0.2<\/span>,<\/span> 1.0<\/span>,<\/span> 0.3<\/span>,<\/span>
      \n 0.2<\/span>,<\/span> 0.4<\/span>,<\/span> 1.0<\/span>,<\/span>
      \n ]<\/span>)<\/span>;<\/span>
      \n const<\/span> colorBuffer =<\/span> gl.<\/span>createBuffer<\/span>(<\/span>)<\/span>;<\/span>
      \n gl.<\/span>bindBuffer<\/span>(<\/span>gl.<\/span>ARRAY_BUFFER<\/span>,<\/span> colorBuffer)<\/span>;<\/span>
      \n gl.<\/span>bufferData<\/span>(<\/span>gl.<\/span>ARRAY_BUFFER<\/span>,<\/span> colors,<\/span> gl.<\/span>STATIC_DRAW<\/span>)<\/span>;<\/span><\/p>\n

      const<\/span> aColor =<\/span> gl.<\/span>getAttribLocation<\/span>(<\/span>program,<\/span> 'aColor'<\/span>)<\/span>;<\/span>
      \n gl.<\/span>enableVertexAttribArray<\/span>(<\/span>aColor)<\/span>;<\/span>
      \n gl.<\/span>vertexAttribPointer<\/span>(<\/span>aColor,<\/span> 3<\/span>,<\/span> gl.<\/span>FLOAT<\/span>,<\/span> false<\/span>,<\/span> 0<\/span>,<\/span> 0<\/span>)<\/span>;<\/span><\/p>\n

      const<\/span> uTime =<\/span> gl.<\/span>getUniformLocation<\/span>(<\/span>program,<\/span> 'uTime'<\/span>)<\/span>;<\/span><\/p>\n

      function<\/span> render<\/span>(<\/span>now<\/span>)<\/span> {<\/span>
      \n gl.<\/span>viewport<\/span>(<\/span>0<\/span>,<\/span> 0<\/span>,<\/span> canvas.<\/span>width,<\/span> canvas.<\/span>height)<\/span>;<\/span>
      \n gl.<\/span>clearColor<\/span>(<\/span>1<\/span>,<\/span> 1<\/span>,<\/span> 1<\/span>,<\/span> 1<\/span>)<\/span>;<\/span>
      \n gl.<\/span>clear<\/span>(<\/span>gl.<\/span>COLOR_BUFFER_BIT<\/span>)<\/span>;<\/span><\/p>\n

      gl.<\/span>uniform1f<\/span>(<\/span>uTime,<\/span> now *<\/span> 0.001<\/span>)<\/span>;<\/span>
      \n gl.<\/span>drawArrays<\/span>(<\/span>gl.<\/span>TRIANGLES<\/span>,<\/span> 0<\/span>,<\/span> 3<\/span>)<\/span>;<\/span><\/p>\n

      requestAnimationFrame<\/span>(<\/span>render)<\/span>;<\/span>
      \n }<\/span>
      \n requestAnimationFrame<\/span>(<\/span>render)<\/span>;<\/span>
      \n }<\/span>
      \n<<\/span>\/<\/span>script><\/span><\/p>\n

      <<\/span>\/<\/span>body><\/span>
      \n<<\/span>\/<\/span>html><\/span><\/p>\n

      \u516d\u3001\u8fd9\u4e00\u7bc7\u4e4b\u540e，\u79bb"\u505a\u51fa\u4e00\u4e2a\u7279\u6548"\u8fd8\u5dee\u4ec0\u4e48<\/h3>\n

      \u7b2c\u4e94\u8282\u90a3\u4e2a\u4f1a\u8f6c\u3001\u4f1a\u53d8\u8272\u7684\u4e09\u89d2\u5f62，\u770b\u7740\u633a\u597d\u73a9，\u4f46\u79bb\u4f60\u5728\u522b\u4eba\u7f51\u7ad9\u4e0a\u89c1\u8fc7\u7684\u90a3\u4e9bWebGL\u7279\u6548\u2014\u2014\u7c92\u5b50\u7206\u70b8\u3001\u6d41\u4f53\u6a21\u62df\u30013D\u4ea7\u54c1\u5c55\u793a\u2014\u2014\u8fd8\u5dee\u5f97\u8fdc\u3002\u8fd9\u4e00\u8282\u76d8\u70b9\u4e00\u4e0b，\u4e2d\u95f4\u8fd8\u7f3a\u54ea\u51e0\u5757\u62fc\u56fe\u3002<\/p>\n

      \"\u8bf7\u6dfb\u52a0\u56fe\u7247\u63cf\u8ff0\"<\/p>\n

      1. \u7eb9\u7406（Texture）：\u8ba9\u9876\u70b9\u4e0d\u53ea\u662f\u7eaf\u8272<\/h4>\n

      \u73b0\u5728\u7684\u4e09\u89d2\u5f62\u6bcf\u4e2a\u9876\u70b9\u53ea\u6709\u4e00\u4e2a\u989c\u8272\u503c，\u9760\u63d2\u503c\u8fc7\u6e21\u3002\u4f46\u771f\u5b9e\u573a\u666f\u91cc，\u5927\u90e8\u5206\u8868\u9762\u4e0d\u662f\u7eaf\u8272\u6e10\u53d8，\u800c\u662f\u8d34\u4e86\u4e00\u5f20\u56fe\u7247\u2014\u2014\u6728\u7eb9\u3001\u7816\u5899\u3001\u4eba\u7269\u8d34\u56fe\u3002\u8fd9\u5c31\u8981\u7528\u5230\u7eb9\u7406（Texture）：\u628a\u4e00\u5f20\u56fe\u7247\u4e0a\u4f20\u5230GPU，\u5728\u7247\u5143\u7740\u8272\u5668\u91cc，\u6839\u636e\u6bcf\u4e2a\u50cf\u7d20\u5bf9\u5e94\u7684UV\u5750\u6807，\u53bb\u8fd9\u5f20\u56fe\u7247\u4e0a"\u91c7\u6837"\u51fa\u5bf9\u5e94\u4f4d\u7f6e\u7684\u989c\u8272，\u800c\u4e0d\u662f\u7528\u63d2\u503c\u7b97\u51fa\u6765\u7684\u989c\u8272\u3002UV\u5750\u6807\u672c\u8eab\u4e5f\u662f\u4e00\u79cdattribute\u6570\u636e，\u548c\u8fd9\u4e00\u7bc7\u8bb2\u7684\u4f4d\u7f6e\u3001\u989c\u8272\u8d70\u7684\u662f\u540c\u4e00\u6761\u8def\u3002<\/p>\n

      2. \u6279\u91cf\u7ed8\u5236：\u4e00\u6b21drawArrays\u753b\u4e00\u4e2a\u4e09\u89d2\u5f62，\u8fdc\u8fdc\u4e0d\u591f<\/h4>\n

      \u73b0\u5b9e\u4e2d\u7684\u7279\u6548\u5f80\u5f80\u662f\u6210\u767e\u4e0a\u5343\u4e2a\u7c92\u5b50\u3001\u6210\u5343\u4e0a\u4e07\u4e2a\u9876\u70b9\u540c\u65f6\u5728\u52a8，\u4e0d\u53ef\u80fd\u6bcf\u4e2a\u7269\u4f53\u90fd\u5355\u72ec\u8c03\u4e00\u6b21gl.drawArrays()\u2014\u2014\u90a3\u6837CPU\u548cGPU\u4e4b\u95f4\u7684\u901a\u4fe1\u5f00\u9500\u4f1a\u5148\u628a\u6027\u80fd\u62d6\u57ae\u3002\u8fd9\u5c31\u8981\u7528\u5230\u6279\u91cf\u7ed8\u5236\u7684\u601d\u8def：\u628a\u6240\u6709\u7269\u4f53\u7684\u9876\u70b9\u6570\u636e\u4e00\u6b21\u6027\u4f20\u7ed9GPU，\u7528\u4e00\u6b21\u7ed8\u5236\u8c03\u7528\u753b\u51fa\u5168\u90e8，\u6216\u8005\u7528\u5b9e\u4f8b\u5316\u7ed8\u5236（Instanced Drawing）\u2014\u2014\u540c\u4e00\u4efd\u51e0\u4f55\u5f62\u72b6，\u914d\u5408\u4e00\u4efd"\u6bcf\u4e2a\u5b9e\u4f8b\u5404\u4e0d\u76f8\u540c"\u7684\u6570\u636e（\u4f4d\u7f6e\u3001\u989c\u8272\u3001\u5927\u5c0f），\u4e00\u6b21\u8c03\u7528\u753b\u51fa\u6210\u5343\u4e0a\u4e07\u4e2a\u526f\u672c\u3002\u524d\u9762\u63d0\u5230\u7684\u7c92\u5b50\u7279\u6548，\u57fa\u672c\u90fd\u5efa\u7acb\u5728\u8fd9\u4e2a\u6280\u672f\u4e0a\u3002<\/p>\n

      3. 3D\u53d8\u6362：\u4ece"\u8f6c\u4e2a\u5708"\u5230"\u771f\u6b63\u7684\u4e09\u7ef4\u7a7a\u95f4"<\/h4>\n

      \u8fd9\u4e00\u7bc7\u7684\u65cb\u8f6c\u77e9\u9635mat2\u53ea\u5904\u7406\u4e862D\u5e73\u9762\u5185\u7684\u65cb\u8f6c\u3002\u771f\u6b63\u76843D\u573a\u666f\u9700\u8981\u4e09\u4ef6\u5957：\u6a21\u578b\u77e9\u9635（\u7269\u4f53\u81ea\u5df1\u5728\u4e16\u754c\u91cc\u7684\u4f4d\u7f6e\u671d\u5411）\u3001\u89c6\u56fe\u77e9\u9635（\u76f8\u673a\u5728\u770b\u54ea\u91cc）\u3001\u6295\u5f71\u77e9\u9635（\u600e\u4e48\u628a\u4e09\u7ef4\u7a7a\u95f4"\u62cd\u6241"\u6210\u5c4f\u5e55\u4e0a\u7684\u4e8c\u7ef4\u753b\u9762，\u6bd4\u5982\u8fd1\u5927\u8fdc\u5c0f\u7684\u900f\u89c6\u6548\u679c）\u3002\u8fd9\u4e09\u4e2a\u77e9\u9635\u901a\u5e38\u5408\u5e76\u6210\u4e00\u4e2amat4，\u4e58\u5728\u9876\u70b9\u4f4d\u7f6e\u4e0a\u2014\u2014\u6bd4\u7b2c\u56db\u8282\u8bb2\u7684NDC\u53d8\u6362\u66f4\u8fdb\u4e00\u6b65，\u4f46\u5e95\u5c42\u903b\u8f91\u662f\u76f8\u901a\u7684：\u90fd\u662f\u5728\u7740\u8272\u5668\u91cc，\u7528\u77e9\u9635\u8fd0\u7b97\u628a\u9876\u70b9\u4f4d\u7f6e\u4ece\u4e00\u4e2a\u5750\u6807\u7a7a\u95f4\u642c\u5230\u53e6\u4e00\u4e2a\u5750\u6807\u7a7a\u95f4\u3002<\/p>\n

      4. \u6df7\u5408\u4e0e\u7c92\u5b50：\u8ba9\u753b\u9762"\u53e0"\u8d77\u6765，\u800c\u4e0d\u53ea\u662f"\u76d6"\u4f4f<\/h4>\n

      \u73b0\u5728\u7684\u4e09\u89d2\u5f62\u662f\u5b8c\u5168\u4e0d\u900f\u660e\u7684，\u540e\u753b\u7684\u76f4\u63a5\u76d6\u4f4f\u5148\u753b\u7684\u3002\u771f\u6b63\u7684\u7279\u6548\u7ecf\u5e38\u9700\u8981\u534a\u900f\u660e\u53e0\u52a0\u2014\u2014\u70df\u96fe\u3001\u5149\u6655\u3001\u706b\u7130\u8fb9\u7f18\u2014\u2014\u8fd9\u9700\u8981\u5f00\u542f\u6df7\u5408（Blending），\u8ba9\u65b0\u753b\u7684\u989c\u8272\u548c\u5df2\u7ecf\u753b\u5728\u753b\u5e03\u4e0a\u7684\u989c\u8272\u6309\u900f\u660e\u5ea6\u505a\u52a0\u6743\u53e0\u52a0，\u800c\u4e0d\u662f\u7b80\u5355\u8986\u76d6\u3002\u7c92\u5b50\u7279\u6548\u672c\u8d28\u4e0a\u5c31\u662f"\u6279\u91cf\u7ed8\u5236+\u6df7\u5408"\u7684\u7ec4\u5408：\u6210\u5343\u4e0a\u4e07\u4e2a\u534a\u900f\u660e\u7684\u5c0f\u8272\u5757，\u53e0\u52a0\u51fa\u4e91\u96fe\u3001\u706b\u82b1\u3001\u5149\u6548\u8fd9\u4e9b\u89c6\u89c9\u6548\u679c\u3002<\/p>\n

      \u5c0f\u7ed3<\/h4>\n

      \u7eb9\u7406\u89e3\u51b3"\u8868\u9762\u8d28\u611f"，\u6279\u91cf\u7ed8\u5236\u89e3\u51b3"\u6570\u91cf\u7ea7"，3D\u53d8\u6362\u89e3\u51b3"\u7a7a\u95f4\u7ef4\u5ea6"，\u6df7\u5408\u89e3\u51b3"\u900f\u660e\u53e0\u52a0"\u2014\u2014\u8fd9\u56db\u5757\u8865\u9f50\u4e4b\u540e，\u4f60\u624b\u4e0a\u7684\u5de5\u5177\u5df2\u7ecf\u8db3\u591f\u62fc\u51fa\u7edd\u5927\u591a\u6570\u5e38\u89c1\u7684WebGL\u7279\u6548\u4e86\u3002\u4e0b\u4e00\u7bc7，\u6211\u4eec\u4ece\u7eb9\u7406\u5f00\u59cb，\u628a"\u7ed9\u4e09\u89d2\u5f62\u8d34\u4e00\u5f20\u56fe"\u8fd9\u4ef6\u4e8b\u8bb2\u900f\u3002<\/p>\n

      \u4e03\u3001\u5173\u4e8e\u516b\u8352\u542f<\/h3>\n

      \u516b\u8352\u542f\u662f\u4e00\u5bb6\u4e13\u6ce8\u4e8e\u4ea4\u4e92\u4f53\u9a8c\u4ea7\u54c1\u4e0e\u89e3\u51b3\u65b9\u6848\u7684\u54c1\u724c，\u6301\u7eed\u63a2\u7d22\u4ea4\u4e92\u6280\u672f\u5728\u6559\u80b2\u6559\u5b66\u3001\u4ea7\u54c1\u5c55\u793a\u3001\u8fc7\u7a0b\u6a21\u62df\u3001\u64cd\u4f5c\u8bad\u7ec3\u548c\u6570\u636e\u53ef\u89c6\u5316\u7b49\u573a\u666f\u4e2d\u7684\u5e94\u7528\u3002<\/p>\n

      \u6211\u4eec\u4e0d\u4ec5\u5206\u4eab\u6280\u672f\u5b9e\u73b0，\u4e5f\u6301\u7eed\u521b\u4f5c\u548c\u6c89\u6dc0\u4ea4\u4e92\u52a8\u753b\u3001\u6570\u5b57\u4f5c\u54c1\u3001\u5f00\u53d1\u6559\u7a0b\u3001\u9879\u76ee\u6848\u4f8b\u4e0e\u884c\u4e1a\u89e3\u51b3\u65b9\u6848，\u5e0c\u671b\u901a\u8fc7\u4ea4\u4e92\u6280\u672f，\u8ba9\u590d\u6742\u4e8b\u7269\u53d8\u5f97\u66f4\u52a0\u5bb9\u6613\u7406\u89e3\u3001\u63a2\u7d22\u3001\u64cd\u4f5c\u548c\u521b\u9020\u3002<\/p>\n

      \u516b\u8352\u542f，\u4e13\u4e3a\u4ea4\u4e92\u52a8\u753b\u800c\u751f \u8ba9\u590d\u6742\u4e8b\u7269\u53ef\u63a2\u7d22\u3001\u53ef\u64cd\u4f5c\u3001\u53ef\u53cd\u9988<\/p>\n

      \u5982\u679c\u4f60\u6b63\u5728\u5bfb\u627e\u4ea4\u4e92\u4f5c\u54c1\u3001\u5b66\u4e60\u76f8\u5173\u6280\u672f，\u6216\u8005\u5e0c\u671b\u628a\u4e00\u4e2a\u60f3\u6cd5\u8f6c\u5316\u4e3a\u53ef\u5b9e\u9645\u64cd\u4f5c\u7684\u4ea4\u4e92\u9879\u76ee，\u6b22\u8fce\u8bbf\u95ee\u516b\u8352\u542f\u5b98\u7f51\u4e86\u89e3\u66f4\u591a\u6848\u4f8b\u4e0e\u670d\u52a1\u3002<\/p>\n

        \n
      • \u5b98\u65b9\u7f51\u7ad9：https:\/\/bahuangqi.com<\/li>\n
      • \u4e3b\u8981\u5185\u5bb9：\u4ea4\u4e92\u52a8\u753b\u30013D \u53ef\u89c6\u5316\u3001\u6559\u80b2\u4e92\u52a8\u3001\u4eff\u771f\u6a21\u62df\u4e0e\u6280\u672f\u6559\u7a0b<\/li>\n
      • \u5b9a\u5236\u670d\u52a1：\u53ef\u901a\u8fc7\u5b98\u7f51\u63d0\u4ea4\u9700\u6c42\u6216\u8054\u7cfb\u4eba\u5de5\u5ba2\u670d\u8fdb\u884c\u8bc4\u4f30<\/li>\n<\/ul>\n

        \u611f\u8c22\u9605\u8bfb\u3002\u5982\u679c\u672c\u6587\u5bf9\u4f60\u6709\u6240\u5e2e\u52a9，\u6b22\u8fce\u70b9\u8d5e\u3001\u6536\u85cf\u548c\u5173\u6ce8，\u6211\u4eec\u4f1a\u7ee7\u7eed\u5206\u4eab\u66f4\u591a\u4ea4\u4e92\u4f5c\u54c1\u4e0e\u9879\u76ee\u5b9e\u8df5\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"

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