{"id":85610,"date":"2026-07-27T18:48:29","date_gmt":"2026-07-27T10:48:29","guid":{"rendered":"https:\/\/www.wsisp.com\/helps\/85610.html"},"modified":"2026-07-27T18:48:29","modified_gmt":"2026-07-27T10:48:29","slug":"babylon-js-8-x-%e4%b8%ad%e6%96%87%e6%96%87%e6%a1%a3%e6%95%b4%e7%90%86-engine-%e6%b7%b1%e5%85%a5%e8%a7%a3%e6%9e%90","status":"publish","type":"post","link":"https:\/\/www.wsisp.com\/helps\/85610.html","title":{"rendered":"Babylon.js 8.x \u4e2d\u6587\u6587\u6863\u6574\u7406\u2014\u2014Engine \u6df1\u5165\u89e3\u6790"},"content":{"rendered":"<h3 style=\"background-color:transparent\">Part 1 Engine\u7c7b<\/h3>\n<h6>1. \u6982\u8ff0<\/h6>\n<p>Engine \u662f Babylon.js \u7684\u9ed8\u8ba4\u6e32\u67d3\u5f15\u64ce&#xff0c;\u4e5f\u662f\u6574\u4e2a\u6e32\u67d3\u7cfb\u7edf\u7684\u6838\u5fc3\u5165\u53e3\u3002\u5b83\u8d1f\u8d23\u521b\u5efa\u5e76\u7ba1\u7406\u5e95\u5c42\u56fe\u5f62\u4e0a\u4e0b\u6587&#xff08;WebGL\/WebGPU&#xff09;&#xff0c;\u9a71\u52a8\u6e32\u67d3\u5faa\u73af&#xff0c;\u7ba1\u7406 GPU \u8d44\u6e90&#xff0c;\u5e76\u4e3a Scene\u3001Texture\u3001Material\u3001Mesh \u7b49\u6240\u6709\u6e32\u67d3\u5bf9\u8c61\u63d0\u4f9b\u8fd0\u884c\u73af\u5883\u3002<\/p>\n<h6>2. \u7ee7\u627f\u5173\u7cfb<\/h6>\n<ul>\n<li>\n<p>AbstractEngine\u5f15\u64ce\u62bd\u8c61\u5c42&#xff0c;\u5b9a\u4e49\u6e32\u67d3\u5f15\u64ce\u5e94\u5177\u5907\u7684\u57fa\u7840\u63a5\u53e3\u548c\u516c\u5171\u80fd\u529b&#xff0c;\u4e0d\u76f4\u63a5\u8d1f\u8d23\u5177\u4f53\u7684 WebGL \u5b9e\u73b0&#xff1b;<\/p>\n<\/li>\n<li>\n<p>ThinEngine\u56fe\u5f62\u63a5\u53e3\u5c42&#xff0c;\u4e3b\u8981\u8d1f\u8d23Shader\u3001Buffer\u3001Texture\u3001RenderTarget\u3001DrawCall\u3001WebGL API\u5c01\u88c5\u7b49&#xff1b;<\/p>\n<\/li>\n<li>\n<p>Engine\u5728 ThinEngine \u7684\u57fa\u7840\u4e0a\u6269\u5c55\u4e86\u5b8c\u6574\u7684\u8fd0\u884c\u65f6\u80fd\u529b&#xff0c;\u5305\u62ecRender Loop\u3001Audio Engine\u3001Loading Screen\u3001Pointer Lock\u3001Offline Provider\u3001Scene\u751f\u547d\u5468\u671f\u7ba1\u7406\u7b49\u3002<\/p>\n<\/li>\n<\/ul>\n<p>class Engine extends ThinEngine<\/p>\n<h6>3. \u6784\u9020\u51fd\u6570<\/h6>\n<p>new Engine(<br \/>\n \u00a0 \u00a0canvas: HTMLCanvasElement,  \/\/\u5fc5\u586b&#xff0c;\u7528\u4e8e\u521b\u5efa\u6e32\u67d3\u4e0a\u4e0b\u6587\u7684 Canvas \u5143\u7d20<br \/>\n \u00a0 \u00a0antialias?: boolean,    \/\/\u662f\u5426\u5f00\u542f\u591a\u91cd\u91c7\u6837\u6297\u952f\u9f7f&#xff08;MSAA&#xff09;<br \/>\n \u00a0 \u00a0options?: EngineOptions,    \/\/\u914d\u7f6e\u9879\u53c2\u6570&#xff0c;\u5728part 2\u8be6\u7ec6\u8bf4\u660e<br \/>\n \u00a0 \u00a0adaptToDeviceRatio?: boolean    \/\/\u662f\u5426\u6839\u636e DPR \u81ea\u52a8\u8c03\u6574\u5206\u8fa8\u7387<br \/>\n)<\/p>\n<h6>4. \u6ce8\u610f\u4e8b\u9879<\/h6>\n<ul>\n<li>\n<p>\u591a\u4e2aScene\u901a\u5e38\u5171\u7528\u4e00\u4e2aEngine&#xff0c;\u907f\u514d\u9891\u7e41\u521b\u5efa\u548c\u9500\u6bc1\u5e95\u5c42\u56fe\u5f62\u4e0a\u4e0b\u6587&#xff1b;<\/p>\n<\/li>\n<li>\n<p>Engine\u4ec5\u63d0\u4f9b\u8fd0\u884c\u73af\u5883&#xff0c;Scene\u9700\u8981\u624b\u52a8\u521b\u5efa\u4e0e\u7ba1\u7406&#xff1b;<\/p>\n<\/li>\n<li>\n<p>Engine\u4e0d\u4f1a\u81ea\u52a8\u6e32\u67d3&#xff0c;\u9700\u8981\u8c03\u7528runRenderLoop\u5f00\u542f\u6e32\u67d3\u3002<\/p>\n<\/li>\n<\/ul>\n<h4 style=\"background-color:transparent\">Part 2 Engine\u914d\u7f6e\u9879<\/h4>\n<p>\u5927\u81f4\u53ef\u5206\u4e3a\u4ee5\u4e0b\u51e0\u7c7b\u53c2\u6570&#xff1a;<\/p>\n<h6>1. WebGL Context\u76f8\u5173\u53c2\u6570<\/h6>\n<table>\n<tr>\u53c2\u6570\u540d\u79f0\u53c2\u6570\u503c\u7c7b\u578b\/\u9ed8\u8ba4\u503c\u8bf4\u660e<\/tr>\n<tbody>\n<tr>\n<td>alpha<\/td>\n<td>boolean\u3010false\u3011<\/td>\n<td>Canvas\u662f\u5426\u652f\u6301\u900f\u660e\u80cc\u666f<\/td>\n<\/tr>\n<tr>\n<td>premultipliedAlpha<\/td>\n<td>boolean\u3010true\u3011<\/td>\n<td>\u662f\u5426\u4f7f\u7528\u9884\u4e58 alpha&#xff0c;\u63d0\u9ad8\u900f\u660e\u6df7\u5408\u6548\u679c<\/td>\n<\/tr>\n<tr>\n<td>depth<\/td>\n<td>boolean\u3010true\u3011<\/td>\n<td>\u662f\u5426\u521b\u5efa\u6df1\u5ea6\u7f13\u51b2<\/td>\n<\/tr>\n<tr>\n<td>stencil<\/td>\n<td>boolean\u3010false\u3011<\/td>\n<td>\u662f\u5426\u521b\u5efa\u6a21\u677f\u7f13\u51b2<\/td>\n<\/tr>\n<tr>\n<td>preserveDrawingBuffer<\/td>\n<td>boolean\u3010false\u3011<\/td>\n<td>\u662f\u5426\u4fdd\u7559\u4e0a\u4e00\u5e27\u753b\u9762<\/td>\n<\/tr>\n<tr>\n<td>xrCompatible<\/td>\n<td>boolean\u3010false\u3011<\/td>\n<td>\u662f\u5426\u5f00\u542fXR\u652f\u6301<\/td>\n<\/tr>\n<tr>\n<td>failIfMajorPerformanceCaveat<\/td>\n<td>boolean\u3010false\u3011<\/td>\n<td>\u662f\u5426\u5728\u68c0\u6d4b\u5230\u6027\u80fd\u8fc7\u5dee\u65f6\u76f4\u63a5\u62d2\u7edd\u521b\u5efaContext<\/td>\n<\/tr>\n<tr>\n<td>disableWebGL2Support<\/td>\n<td>boolean\u3010false\u3011<\/td>\n<td>\u662f\u5426\u7981\u7528WebGL2\u652f\u6301&#xff0c;\u5f3a\u5236WebGL1<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h6>2. GPU\u4e0e\u6e32\u67d3\u76f8\u5173\u53c2\u6570<\/h6>\n<table>\n<tr>\u53c2\u6570\u540d\u79f0\u53c2\u6570\u503c\u7c7b\u578b\/\u9ed8\u8ba4\u503c\u8bf4\u660e<\/tr>\n<tbody>\n<tr>\n<td>powerPreference<\/td>\n<td>default | low-power | high-performance\u3010default\u3011<\/td>\n<td>GPU \u7535\u6e90\u7b56\u7565<\/td>\n<\/tr>\n<tr>\n<td>limitDeviceRatio<\/td>\n<td>number<\/td>\n<td>\u9650\u5236\u6700\u9ad8 DPR<\/td>\n<\/tr>\n<tr>\n<td>adaptToDeviceRatio<\/td>\n<td>boolean\u3010false\u3011<\/td>\n<td>\u662f\u5426\u81ea\u52a8\u6839\u636e\u5c4f\u5e55 DPI \u8c03\u6574\u5206\u8fa8\u7387<\/td>\n<\/tr>\n<tr>\n<td>useHighPrecisionMatrix<\/td>\n<td>boolean\u3010false\u3011<\/td>\n<td>\u662f\u5426\u4f7f\u7528\u66f4\u9ad8\u7cbe\u5ea6\u77e9\u9635\u8ba1\u7b97<\/td>\n<\/tr>\n<tr>\n<td>useLargeWorldRendering<\/td>\n<td>boolean\u3010false\u3011<\/td>\n<td>\u662f\u5426\u542f\u7528\u5927\u4e16\u754c\u5750\u6807\u4f18\u5316<\/td>\n<\/tr>\n<tr>\n<td>useExactSrgbConversions<\/td>\n<td>boolean\u3010false\u3011<\/td>\n<td>\u662f\u5426\u4f7f\u7528\u66f4\u7cbe\u786e\u7684 sRGB \u8f6c\u6362<\/td>\n<\/tr>\n<tr>\n<td>forceSRGBBufferSupportState<\/td>\n<td>boolean<\/td>\n<td>\u662f\u5426\u5f3a\u5236\u6307\u5b9a\u6d4f\u89c8\u5668\u662f\u5426\u652f\u6301 sRGB Buffer<\/td>\n<\/tr>\n<tr>\n<td>audioEngine<\/td>\n<td>boolean\u3010true\u3011<\/td>\n<td>\u662f\u5426\u521d\u59cb\u5316\u97f3\u9891\u7cfb\u7edf<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h6>3. Engine\u751f\u547d\u5468\u671f\u76f8\u5173\u53c2\u6570<\/h6>\n<table>\n<tr>\u53c2\u6570\u540d\u79f0\u53c2\u6570\u503c\u7c7b\u578b\/\u9ed8\u8ba4\u503c\u8bf4\u660e<\/tr>\n<tbody>\n<tr>\n<td>loseContextOnDispose<\/td>\n<td>boolean\u3010false\u3011<\/td>\n<td>\u662f\u5426\u5728\u5378\u8f7d\u65f6\u65f6\u4e3b\u52a8\u91ca\u653e WebGL Context<\/td>\n<\/tr>\n<tr>\n<td>doNotHandleContextLost<\/td>\n<td>boolean\u3010false\u3011<\/td>\n<td>\u662f\u5426\u7981\u7528Context lost\u81ea\u52a8\u5904\u7406<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h6>4. \u56fa\u5b9a\u5e27\u4e0e\u540c\u6b65\u76f8\u5173\u53c2\u6570<\/h6>\n<table>\n<tr>\u53c2\u6570\u540d\u79f0\u53c2\u6570\u503c\u7c7b\u578b\/\u9ed8\u8ba4\u503c\u8bf4\u660e<\/tr>\n<tbody>\n<tr>\n<td>deterministicLockstep<\/td>\n<td>boolean\u3010false\u3011<\/td>\n<td>\u662f\u5426\u5f00\u542f\u56fa\u5b9a\u903b\u8f91\u5e27\u66f4\u65b0<\/td>\n<\/tr>\n<tr>\n<td>lockstepMaxSteps<\/td>\n<td>number\u30104\u3011<\/td>\n<td>\u6700\u5927\u8865\u5e27\u6b21\u6570<\/td>\n<\/tr>\n<tr>\n<td>timeStep<\/td>\n<td>number\u30101\/60\u3011<\/td>\n<td>\u56fa\u5b9a\u66f4\u65b0\u65f6\u95f4<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h6>5. \u79bb\u7ebf\u7f13\u5b58\u76f8\u5173\u53c2\u6570<\/h6>\n<table>\n<tr>\u53c2\u6570\u540d\u79f0\u53c2\u6570\u503c\u7c7b\u578b\/\u9ed8\u8ba4\u503c\u8bf4\u660e<\/tr>\n<tbody>\n<tr>\n<td>enableOfflineSupport<\/td>\n<td>boolean\u3010false\u3011<\/td>\n<td>\u662f\u5426\u542f\u7528\u79bb\u7ebf\u7f13\u5b58<\/td>\n<\/tr>\n<tr>\n<td>disableManifestCheck<\/td>\n<td>boolean\u3010false\u3011<\/td>\n<td>\u662f\u5426\u7981\u7528\u68c0\u67e5 Manifest<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h6>6. \u8f93\u5165\u4e0e\u4ea4\u4e92\u76f8\u5173\u53c2\u6570<\/h6>\n<table>\n<tr>\u53c2\u6570\u540d\u79f0\u53c2\u6570\u503c\u7c7b\u578b\/\u9ed8\u8ba4\u503c\u8bf4\u660e<\/tr>\n<tbody>\n<tr>\n<td>doNotHandleTouchAction<\/td>\n<td>boolean\u3010false\u3011<\/td>\n<td>\u662f\u5426\u7981\u7528\u4fee\u6539\u6d4f\u89c8\u5668 touch-action<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h6>7. \u5176\u4ed6\u9ad8\u7ea7\u914d\u7f6e\u53c2\u6570<\/h6>\n<table>\n<tr>\u53c2\u6570\u540d\u79f0\u53c2\u6570\u503c\u7c7b\u578b\/\u9ed8\u8ba4\u503c\u8bf4\u660e<\/tr>\n<tbody>\n<tr>\n<td>audioContext<\/td>\n<td>AudioContext<\/td>\n<td>\u6307\u5b9a\u5916\u90e8 Audio Context<\/td>\n<\/tr>\n<tr>\n<td>engineOptions<\/td>\n<td>WebGPUEngineOptions<\/td>\n<td>WebGPU \u4e13\u7528\u521d\u59cb\u5316\u914d\u7f6e<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h4 style=\"background-color:transparent\">Part 3 Engine\u5b9e\u4f8b\u6210\u5458<\/h4>\n<h6>1. \u751f\u547d\u5468\u671f\u76f8\u5173<\/h6>\n<table>\n<tr>\u5c5e\u6027\/\u65b9\u6cd5\u540d\u79f0\u53c2\u6570\u503c\/\u8fd4\u56de\u503c\u7c7b\u578b\u8bf4\u660e<\/tr>\n<tbody>\n<tr>\n<td>runRenderLoop()<\/td>\n<td>void<\/td>\n<td>\u6ce8\u518c\u4e3b\u6e32\u67d3\u5faa\u73af<\/td>\n<\/tr>\n<tr>\n<td>stopRenderLoop()<\/td>\n<td>void<\/td>\n<td>\u505c\u6b62\u6e32\u67d3\u5faa\u73af<\/td>\n<\/tr>\n<tr>\n<td>dispose()<\/td>\n<td>void<\/td>\n<td>\u9500\u6bc1 Engine \u5e76\u91ca\u653e\u8d44\u6e90<\/td>\n<\/tr>\n<tr>\n<td>isDisposed<\/td>\n<td>boolean<\/td>\n<td>Engine \u662f\u5426\u5df2\u9500\u6bc1<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h6>2. Canvas \u76f8\u5173<\/h6>\n<table>\n<tr>\u5c5e\u6027\/\u65b9\u6cd5\u540d\u79f0\u53c2\u6570\u503c\/\u8fd4\u56de\u503c\u7c7b\u578b\u8bf4\u660e<\/tr>\n<tbody>\n<tr>\n<td>getRenderingCanvas()<\/td>\n<td>HTMLCanvasElement | null<\/td>\n<td>\u83b7\u53d6\u6e32\u67d3 Canvas<\/td>\n<\/tr>\n<tr>\n<td>getInputElement()<\/td>\n<td>HTMLElement | null<\/td>\n<td>\u83b7\u53d6 Engine \u8f93\u5165\u5143\u7d20<\/td>\n<\/tr>\n<tr>\n<td>resize(forceSetSize?: boolean)<\/td>\n<td>void<\/td>\n<td>\u6839\u636e Canvas \u5f53\u524d\u5c3a\u5bf8\u91cd\u65b0\u8c03\u6574 Engine \u6e32\u67d3\u5c3a\u5bf8<\/td>\n<\/tr>\n<tr>\n<td>setSize(width: number,height: number,forceSetSize?: boolean)<\/td>\n<td>void<\/td>\n<td>\u624b\u52a8\u8bbe\u7f6e Canvas \u6e32\u67d3\u5c3a\u5bf8<\/td>\n<\/tr>\n<tr>\n<td>getRenderWidth(useScreen?: boolean)<\/td>\n<td>number<\/td>\n<td>\u83b7\u53d6 GPU \u5b9e\u9645\u6e32\u67d3\u5bbd\u5ea6<\/td>\n<\/tr>\n<tr>\n<td>getRenderHeight()<\/td>\n<td>number<\/td>\n<td>\u83b7\u53d6 GPU \u5b9e\u9645\u6e32\u67d3\u9ad8\u5ea6<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h6>3. \u6e32\u67d3\u63a7\u5236\u76f8\u5173<\/h6>\n<table>\n<tr>\u5c5e\u6027\/\u65b9\u6cd5\u540d\u79f0\u53c2\u6570\u503c\/\u8fd4\u56de\u503c\u7c7b\u578b\u8bf4\u660e<\/tr>\n<tbody>\n<tr>\n<td>beginFrame()<\/td>\n<td>void<\/td>\n<td>\u5f00\u542f\u4e00\u5e27\u6e32\u67d3\u6d41\u7a0b<\/td>\n<\/tr>\n<tr>\n<td>endFrame()<\/td>\n<td>void<\/td>\n<td>\u7ed3\u675f\u5f53\u524d\u5e27\u6e32\u67d3<\/td>\n<\/tr>\n<tr>\n<td>clear(color?: Color4,backBuffer?: boolean&#xff0c;depth?: boolean)<\/td>\n<td>void<\/td>\n<td>\u6e05\u7406\u989c\u8272\u3001\u6df1\u5ea6\u3001Stencil \u7f13\u51b2<\/td>\n<\/tr>\n<tr>\n<td>wipeCaches(bruteForce?: boolean)<\/td>\n<td>void<\/td>\n<td>\u6e05\u7406 Engine \u5185\u90e8 GPU \u72b6\u6001\u7f13\u5b58<\/td>\n<\/tr>\n<tr>\n<td>restoreDefaultFramebuffer()<\/td>\n<td>void<\/td>\n<td>\u6062\u590d\u9ed8\u8ba4 FrameBuffer<\/td>\n<\/tr>\n<tr>\n<td>renderEvenInBackground<\/td>\n<td>boolean<\/td>\n<td>\u9875\u9762\u8fdb\u5165\u540e\u53f0\u662f\u5426\u505c\u6b62\u6e32\u67d3<\/td>\n<\/tr>\n<tr>\n<td>preventCacheWipeBetweenFrames<\/td>\n<td>boolean<\/td>\n<td>\u662f\u5426\u963b\u6b62\u6bcf\u5e27\u7ed3\u675f\u65f6\u6e05\u7406\u5185\u90e8\u6e32\u67d3\u72b6\u6001\u7f13\u5b58<\/td>\n<\/tr>\n<tr>\n<td>disableUniformBuffers<\/td>\n<td>boolean<\/td>\n<td>\u662f\u5426\u7981\u7528 Uniform Buffer&#xff0c;\u5f3a\u5236\u666e\u901a Uniform \u4f20\u9012 Shader \u6570\u636e<\/td>\n<\/tr>\n<tr>\n<td>compatibilityMode<\/td>\n<td>boolean<\/td>\n<td>\u662f\u5426\u5f00\u542f\u517c\u5bb9\u6a21\u5f0f&#xff0c;\u7528\u4e8e\u964d\u4f4e\u90e8\u5206\u9ad8\u7ea7\u6e32\u67d3\u7279\u6027\u8981\u6c42<\/td>\n<\/tr>\n<tr>\n<td>disablePerformanceMonitorInBackground<\/td>\n<td>boolean<\/td>\n<td>\u9875\u9762\u540e\u53f0\u8fd0\u884c\u65f6\u662f\u5426\u5173\u95ed\u6027\u80fd\u76d1\u63a7<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h6>4. \u6027\u80fd\u4e0e\u65f6\u95f4\u76f8\u5173<\/h6>\n<table>\n<tr>\u5c5e\u6027\/\u65b9\u6cd5\u540d\u79f0\u53c2\u6570\u503c\/\u8fd4\u56de\u503c\u7c7b\u578b\u8bf4\u660e<\/tr>\n<tbody>\n<tr>\n<td>getFps()<\/td>\n<td>number<\/td>\n<td>\u83b7\u53d6\u5f53\u524d FPS<\/td>\n<\/tr>\n<tr>\n<td>getDeltaTime()<\/td>\n<td>number<\/td>\n<td>\u83b7\u53d6\u4e0a\u4e00\u5e27\u8017\u65f6&#xff08;\u6beb\u79d2&#xff09;<\/td>\n<\/tr>\n<tr>\n<td>getTimeStep()<\/td>\n<td>number<\/td>\n<td>\u83b7\u53d6\u56fa\u5b9a\u65f6\u95f4\u6b65\u957f<\/td>\n<\/tr>\n<tr>\n<td>setHardwareScalingLevel(level&#xff1a;number)<\/td>\n<td>void<\/td>\n<td>\u8bbe\u7f6e\u786c\u4ef6\u7f29\u653e\u6bd4\u4f8b<\/td>\n<\/tr>\n<tr>\n<td>getHardwareScalingLevel()<\/td>\n<td>number<\/td>\n<td>\u83b7\u53d6\u5f53\u524d\u786c\u4ef6\u7f29\u653e\u6bd4\u4f8b<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h6>5. GPU\u80fd\u529b\u68c0\u6d4b\u76f8\u5173<\/h6>\n<table>\n<tr>\u5c5e\u6027\/\u65b9\u6cd5\u540d\u79f0\u53c2\u6570\u503c\/\u8fd4\u56de\u503c\u7c7b\u578b\u8bf4\u660e<\/tr>\n<tbody>\n<tr>\n<td>getCaps()<\/td>\n<td>EngineCapabilities<\/td>\n<td>\u83b7\u53d6\u5f53\u524d GPU \u652f\u6301\u80fd\u529b<\/td>\n<\/tr>\n<tr>\n<td>getGlInfo()<\/td>\n<td>GLInfo<\/td>\n<td>\u83b7\u53d6 WebGL \u4fe1\u606f<\/td>\n<\/tr>\n<tr>\n<td>webGLVersion<\/td>\n<td>number<\/td>\n<td>\u5f53\u524d WebGL \u7248\u672c<\/td>\n<\/tr>\n<tr>\n<td>isWebGPU<\/td>\n<td>boolean<\/td>\n<td>\u5f53\u524d\u662f\u5426 WebGPU<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h6>6. Context \u7ba1\u7406\u76f8\u5173<\/h6>\n<table>\n<tr>\u5c5e\u6027\/\u65b9\u6cd5\u540d\u79f0\u53c2\u6570\u503c\/\u8fd4\u56de\u503c\u7c7b\u578b\u8bf4\u660e<\/tr>\n<tbody>\n<tr>\n<td>isContextLost<\/td>\n<td>boolean<\/td>\n<td>\u5224\u65ad WebGL Context \u662f\u5426\u4e22\u5931<\/td>\n<\/tr>\n<tr>\n<td>onContextLostObservable<\/td>\n<td>Observable&lt;WebGLContextEvent&gt;<\/td>\n<td>Context \u4e22\u5931\u4e8b\u4ef6<\/td>\n<\/tr>\n<tr>\n<td>onContextRestoredObservable<\/td>\n<td>Observable&lt;Engine&gt;<\/td>\n<td>Context \u6062\u590d\u4e8b\u4ef6<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h6>7. \u8f93\u5165\u4e0e\u4ea4\u4e92\u76f8\u5173<\/h6>\n<table>\n<tr>\u5c5e\u6027\/\u65b9\u6cd5\u540d\u79f0\u53c2\u6570\u503c\/\u8fd4\u56de\u503c\u7c7b\u578b\u8bf4\u660e<\/tr>\n<tbody>\n<tr>\n<td>isPointerLock<\/td>\n<td>boolean<\/td>\n<td>\u5f53\u524d\u662f\u5426\u8fdb\u5165 Pointer Lock \u72b6\u6001<\/td>\n<\/tr>\n<tr>\n<td>enterPointerlock()<\/td>\n<td>void<\/td>\n<td>\u8fdb\u5165\u9f20\u6807\u9501\u5b9a\u6a21\u5f0f<\/td>\n<\/tr>\n<tr>\n<td>exitPointerlock()<\/td>\n<td>void<\/td>\n<td>\u9000\u51fa\u9f20\u6807\u9501\u5b9a\u6a21\u5f0f<\/td>\n<\/tr>\n<tr>\n<td>onCanvasBlurObservable<\/td>\n<td>Observable&lt;Engine&gt;<\/td>\n<td>Canvas \u5931\u53bb\u7126\u70b9\u4e8b\u4ef6<\/td>\n<\/tr>\n<tr>\n<td>onCanvasFocusObservable<\/td>\n<td>Observable&lt;Engine&gt;<\/td>\n<td>Canvas \u83b7\u53d6\u7126\u70b9\u4e8b\u4ef6<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h6>8. Loading UI\u76f8\u5173<\/h6>\n<table>\n<tr>\u5c5e\u6027\/\u65b9\u6cd5\u540d\u79f0\u53c2\u6570\u503c\/\u8fd4\u56de\u503c\u7c7b\u578b\u8bf4\u660e<\/tr>\n<tbody>\n<tr>\n<td>displayLoadingUI()<\/td>\n<td>void<\/td>\n<td>\u663e\u793a Babylon \u9ed8\u8ba4\u52a0\u8f7d\u754c\u9762<\/td>\n<\/tr>\n<tr>\n<td>hideLoadingUI()<\/td>\n<td>void<\/td>\n<td>\u9690\u85cf Babylon \u9ed8\u8ba4\u52a0\u8f7d\u754c\u9762<\/td>\n<\/tr>\n<tr>\n<td>loadingScreen<\/td>\n<td>ILoadingScreen<\/td>\n<td>\u5f53\u524d LoadingScreen \u5b9e\u4f8b<\/td>\n<\/tr>\n<tr>\n<td>loadingScreenBackgroundColor<\/td>\n<td>string<\/td>\n<td>Loading \u80cc\u666f\u989c\u8272<\/td>\n<\/tr>\n<tr>\n<td>loadingScreenText<\/td>\n<td>string<\/td>\n<td>Loading \u63d0\u793a\u6587\u5b57<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h6>9. Offline \u76f8\u5173<\/h6>\n<table>\n<tr>\u5c5e\u6027\/\u65b9\u6cd5\u540d\u79f0\u53c2\u6570\u503c\/\u8fd4\u56de\u503c\u7c7b\u578b\u8bf4\u660e<\/tr>\n<tbody>\n<tr>\n<td>enableOfflineSupport<\/td>\n<td>boolean<\/td>\n<td>\u662f\u5426\u542f\u7528\u79bb\u7ebf\u7f13\u5b58\u652f\u6301<\/td>\n<\/tr>\n<tr>\n<td>disableManifestCheck<\/td>\n<td>boolean<\/td>\n<td>\u662f\u5426\u5173\u95ed Manifest \u68c0\u67e5<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h4 style=\"background-color:transparent\">Part 4 WebGPUEngine\u7c7b<\/h4>\n<h6>1. \u6982\u8ff0<\/h6>\n<p>WebGPUEngine \u662f Babylon.js \u57fa\u4e8e WebGPU API \u5b9e\u73b0\u7684\u65b0\u4e00\u4ee3\u6e32\u67d3\u5f15\u64ce\u3002WebGPU \u662f\u7531 W3C \u63a8\u52a8\u7684\u65b0\u4e00\u4ee3\u6d4f\u89c8\u5668 GPU \u6807\u51c6&#xff0c;\u76ee\u6807\u662f\u66ff\u4ee3 WebGL\u3002<\/p>\n<h6>2. \u5b9e\u4f8b\u5316<\/h6>\n<p>const engine &#061; new WebGPUEngine(canvas);<br \/>\nawait engine.initAsync();   \/\/\u9700\u8981\u5f02\u6b65\u5b8c\u6210<\/p>\n<h6>3. Engine(WebGL) \u533a\u522b<\/h6>\n<table>\n<tr>\u5185\u5bb9Engine(WebGL)WebGPUEngine(WebGPU)<\/tr>\n<tbody>\n<tr>\n<td>\u5e95\u5c42 API<\/td>\n<td>WebGL 1\/2<\/td>\n<td>WebGPU<\/td>\n<\/tr>\n<tr>\n<td>\u521d\u59cb\u5316\u65b9\u5f0f<\/td>\n<td>\u540c\u6b65<\/td>\n<td>\u5f02\u6b65<\/td>\n<\/tr>\n<tr>\n<td>GPU \u63a7\u5236\u80fd\u529b<\/td>\n<td>\u76f8\u5bf9\u8f83\u4f4e<\/td>\n<td>\u66f4\u63a5\u8fd1\u5e95\u5c42<\/td>\n<\/tr>\n<tr>\n<td>CPU \u8c03\u5ea6\u5f00\u9500<\/td>\n<td>\u76f8\u5bf9\u8f83\u9ad8<\/td>\n<td>\u76f8\u5bf9\u8f83\u4f4e<\/td>\n<\/tr>\n<tr>\n<td>Shader<\/td>\n<td>GLSL<\/td>\n<td>WGSL<\/td>\n<\/tr>\n<tr>\n<td>\u591a\u7ebf\u7a0b\u80fd\u529b<\/td>\n<td>\u76f8\u5bf9\u8f83\u5f31<\/td>\n<td>\u76f8\u5bf9\u66f4\u5f3a<\/td>\n<\/tr>\n<tr>\n<td>Compute Shader<\/td>\n<td>\u6709\u9650\u652f\u6301<\/td>\n<td>\u539f\u751f\u652f\u6301<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h6>4. \u6ce8\u610f\u4e8b\u9879<\/h6>\n<ul>\n<li>\n<p>WebGPU \u4e0d\u662f Engine \u53c2\u6570\u5b8c\u5168\u517c\u5bb9&#xff0c;\u5f88\u591a\u914d\u7f6e\u9879\u53ef\u80fd\u5728WebGPU\u53ef\u80fd\u65e0\u6548\u3001\u884c\u4e3a\u4e0d\u540c\u6216\u8005\u88ab\u5ffd\u7565&#xff1b;<\/p>\n<\/li>\n<li>\n<p>\u5728Babylon.js 8.18\u9636\u6bb5&#xff0c;WebGPU \u4ecd\u7136\u4e0d\u662f\u9ed8\u8ba4\u751f\u4ea7\u6e32\u67d3\u65b9\u6848&#xff0c;\u652f\u6301\u5ea6\u6709\u9650&#xff0c;\u66f4\u9002\u5408\u4f5c\u4e3a\u6280\u672f\u9a8c\u8bc1\u3002<\/p>\n<\/li>\n<\/ul>\n<h4 style=\"background-color:transparent\">Part 5 \u8e29\u5751\u8bb0\u5f55<\/h4>\n<h6>1. \u753b\u9762\u6a21\u7cca\u3001UI\u6587\u5b57\u4e0d\u6e05\u6670\u3001\u6a21\u578b\u8fb9\u7f18\u53d1\u865a<\/h6>\n<ul>\n<li>\n<p>\u4f18\u5148\u786e\u8ba4 adaptToDeviceRatio\u662f\u5426\u5f00\u542f&#xff1b;<\/p>\n<\/li>\n<li>\n<p>\u68c0\u67e5\u662f\u5426\u624b\u52a8\u8bbe\u7f6e\u4e86engine.setHardwareScalingLevel()\u5e76\u4f20\u5165\u4e86\u56fa\u5b9a\u503c&#xff1b;<\/p>\n<\/li>\n<li>\n<p>\u5982\u679c\u8bbe\u7f6e\u56fa\u5b9a\u503c&#xff0c;\u5c1d\u8bd5\u6062\u590d\u9ed8\u8ba4\u6216\u8005\u8c03\u6574\u4e3a&#xff1a;<\/p>\n<p>engine.setHardwareScalingLevel(1 \/ Math.min(window.devicePixelRatio, 2))\n<\/li>\n<\/ul>\n<h6>2. \u9875\u9762\u5931\u7126\u540e\u9ed1\u5c4f \/ \u6062\u590d\u540e\u4e0d\u518d\u5237\u65b0<\/h6>\n<ul>\n<li>\n<p>\u5207\u6362\u5e94\u7528\u518d\u56de\u5230\u6d4f\u89c8\u5668\u540e\u9ed1\u5c4f\u3001\u6253\u5f00 F12 \u5f00\u53d1\u8005\u5de5\u5177\u540e\u9875\u9762\u9ed1\u5c4f&#xff0c;\u63a8\u8350\u68c0\u67e5\u662f\u5426\u5f00\u542frenderEvenInBackground&#xff1b;<\/p>\n<\/li>\n<li>\n<p>renderEvenInBackground\u8bbe\u7f6e\u4e3afalse\u65f6&#xff0c;\u6d4f\u89c8\u5668\u4f1a\u964d\u4f4e requestAnimationFrame \u8c03\u7528\u9891\u7387&#xff0c;\u751a\u81f3\u6682\u505c\u90e8\u5206\u9875\u9762\u6e32\u67d3\u4efb\u52a1&#xff1b;<\/p>\n<\/li>\n<li>\n<p>\u5927\u5c4f\u5c55\u793a\u65e0\u4eba\u64cd\u4f5c\u4e00\u6bb5\u65f6\u95f4\u540e\u505c\u6b62\u5237\u65b0&#xff0c;\u6b64\u65f6\u5efa\u8bae\u5f00\u542frenderEvenInBackground&#xff0c;\u4f46\u53ef\u80fd\u4ea7\u751f\u8017\u7535\u589e\u52a0\u3001\u5360\u7528\u8d44\u6e90&#xff1b;<\/p>\n<\/li>\n<\/ul>\n<h6>3. \u7f16\u8f91\u5668\u73af\u5883\u62d6\u52a8\u7269\u4f53\u3001\u79fb\u52a8\u6a21\u578b\u4f4d\u7f6e\u5f02\u5e38<\/h6>\n<ul>\n<li>\n<p>\u82e5\u662f\u7f16\u8f91\u5668\u4e00\u7c7b\u73af\u5883&#xff0c;\u62d6\u52a8\u6216\u4fee\u6539\u6a21\u578b\u4f4d\u7f6e\u65f6\u5ef6\u8fdf\u6216\u4e0d\u66f4\u65b0&#xff0c;\u63a8\u8350\u4f18\u5148\u68c0\u67e5powerPreference\u662f\u5426\u8bbe\u7f6e\u4e3alow-power&#xff0c;\u4f4e\u529f\u8017 GPU \u7b56\u7565\u53ef\u80fd\u5f71\u54cd\u4ea4\u4e92\u6027\u80fd&#xff1b;<\/p>\n<\/li>\n<li>\n<p>\u82e5\u662f\u7528\u4e8e\u7f16\u8f91\u5668\u4e00\u7c7b&#xff0c;\u5efa\u8bae\u5c06powerPreference\u8bbe\u7f6e\u4e3ahigh-performance&#xff0c;\u9ed8\u8ba4\u4e3adefault&#xff1b;<\/p>\n<\/li>\n<li>\n<p>\u82e5\u662f\u8bbe\u7f6e\u4e86high-performance&#xff0c;\u68c0\u67e5\u662f\u5426\u8c03\u7528freezeWorldMatrix()&#xff1b;<\/p>\n<\/li>\n<\/ul>\n<h6>4. \u9f20\u6807\u884c\u4e3a\u5f02\u5e38\u3001\u70b9\u51fb\u5931\u6548\u3001\u7b2c\u4e00\u4eba\u79f0\u63a7\u5236\u5931\u63a7<\/h6>\n<ul>\n<li>\n<p>\u9f20\u6807\u65e0\u6cd5\u79bb\u5f00 Canvas\u65f6&#xff0c;\u4f18\u5148\u68c0\u67e5isPointerLock\u662f\u5426\u4e3atrue&#xff0c;Pointer Lock \u4f1a\u63a5\u7ba1\u771f\u5b9e\u9f20\u6807&#xff1b;<\/p>\n<\/li>\n<li>\n<p>\u8c03\u7528enterPointerlock\u540e\u786e\u4fdd\u6b63\u786e\u8c03\u7528exitPointerlock&#xff0c;\u6d4f\u89c8\u5668\u9f20\u6807\u9501\u5b9a\u72b6\u6001\u4e0d\u4f1a\u81ea\u52a8\u6062\u590d&#xff0c;\u53ef\u80fd\u51fa\u73b0UI\u3001\u83dc\u5355\u6309\u94ae\u65e0\u6cd5\u70b9\u51fb&#xff0c;\u5f71\u54cdDOM\u4e8b\u4ef6&#xff1b;<\/p>\n<\/li>\n<\/ul>\n<h6>5. \u6a21\u578b\u95ea\u70c1\u3001\u8fdc\u8ddd\u79bb\u7269\u4f53\u8df3\u52a8<\/h6>\n<ul>\n<li>\n<p>\u63a8\u8350\u4f18\u5148\u68c0\u67e5\u76f8\u673aCamera\u7684minZ\u548cmaxZ\u662f\u5426\u76f8\u5dee\u5f88\u5927&#xff0c;\u8fd9\u4f1a\u5f71\u54cd\u6df1\u5ea6\u8ba1\u7b97\u7684\u7cbe\u5ea6\u8303\u56f4&#xff0c;\u5efa\u8bae\u63a7\u5236\u5728\u5408\u7406\u8303\u56f4\u5185&#xff0c;\u4f8b\u59825000 : 0.1&#xff1b;<\/p>\n<\/li>\n<li>\n<p>\u5982\u679c\u662f\u5343\u7c73\u7ea7\u522b\u7684\u573a\u666f\u6a21\u578b&#xff0c;\u5efa\u8bae\u540c\u65f6\u5f00\u542fuseHighPrecisionMatrix\u548cuseLargeWorldRendering&#xff0c;\u89c2\u5bdf\u662f\u5426\u76f8\u5bf9\u63d0\u5347\u6216\u51cf\u5c11\u95ea\u70c1&#xff1b;<\/p>\n<\/li>\n<\/ul>\n<h6>6. GPU \u5d29\u6e83\u3001NVIDIA\u9a71\u52a8\u91cd\u542f\u3001\u6d4f\u89c8\u5668WebGL not support\u6216\u4e22\u5931\u65e0\u6cd5\u6062\u590d<\/h6>\n<ul>\n<li>\n<p>\u4f18\u5148\u901a\u8fc7getCaps\u6216\u5176\u4ed6\u65b9\u5f0f\u68c0\u67e5\u5f53\u524d\u786c\u4ef6\u73af\u5883\u662f\u5426\u652f\u6301WebGL\u7684\u6e32\u67d3&#xff1b;<\/p>\n<\/li>\n<li>\n<p>\u6392\u67e5\u662f\u5426\u540c\u65f6\u5b58\u5728\u5927\u578b GLB\u30014K\/8K\u7eb9\u7406\u3001HDR\u3001\u542f\u7528Shadow\u3001\u5927\u91cfReflectionTexture\u3001\u542f\u7528PostProcess&#xff0c;\u53ef\u80fd\u8d85\u8fc7\u663e\u5b58\u538b\u529b&#xff0c;\u5efa\u8bae\u9010\u6b65\u51cf\u5c11\u8be5\u90e8\u5206\u914d\u7f6e\u6392\u67e5\u662f\u5426\u663e\u5b58\u538b\u529b\u8fc7\u8f7d&#xff1b;<\/p>\n<\/li>\n<li>\n<p>\u5efa\u8bae\u5f00\u542floseContextOnDispose\u5e2e\u52a9\u91ca\u653eWebGL Context&#xff0c;\u5e76\u5c3d\u53ef\u80fd\u5c11\u521b\u5efaEngine\u5b9e\u4f8b&#xff1b;<\/p>\n<\/li>\n<\/ul>\n<h6>7. \u6750\u8d28\u5076\u5c14\u4e0d\u5237\u65b0\u3001\u4fee\u6539\u53c2\u6570\u6ca1\u6709\u6548\u679c<\/h6>\n<ul>\n<li>\n<p>\u5efa\u8bae\u68c0\u67e5\u662f\u5426\u5f00\u542fpreventCacheWipeBetweenFrames&#xff0c;GPU\u72b6\u6001\u7f13\u5b58\u53ef\u80fd\u5bfc\u81f4\u72b6\u6001\u590d\u7528&#xff1b;<\/p>\n<\/li>\n<li>\n<p>\u5f00\u542f\u7f13\u5b58\u4f18\u5316\u540e\u51fa\u73b0\u968f\u673a\u6750\u8d28\u5f02\u5e38&#xff0c;\u5efa\u8bae\u5173\u95edpreventCacheWipeBetweenFrames&#xff1b;<\/p>\n<\/li>\n<\/ul>\n<h6>8. 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