{"json_modified": "2016-09-02T22:49:35.903981", "uuid": "8ded2376-4d93-4a12-8b96-8659b29dd7cc", "title": "VRDisplay.requestAnimationFrame()", "url": "/en-US/docs/Web/API/VRDisplay/requestAnimationFrame", "tags": ["requestAnimationFrame()", "API", "VR", "Reference", "Experimental", "VRDisplay", "Virtual Reality", "WebVR", "Method"], "translations": [{"uuid": "42b70946-9494-44df-86dd-84a23290d91f", "title": "VRDisplay.requestAnimationFrame()", "url": "/ja/docs/Web/API/VRDevice/requestAnimationFrame", "tags": [], "summary": "<a href=\"/ja/docs/Web/API/VRDisplay\" title=\"&#x3053;&#x306E;&#x9805;&#x76EE;&#x306B;&#x3064;&#x3044;&#x3066;&#x306E;&#x6587;&#x66F8;&#x306F;&#x307E;&#x3060;&#x66F8;&#x304B;&#x308C;&#x3066;&#x3044;&#x307E;&#x305B;&#x3093;&#x3002;&#x66F8;&#x3044;&#x3066;&#x307F;&#x307E;&#x305B;&#x3093;&#x304B;&#xFF1F;\"><code>VRDisplay</code></a> \u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30a4\u30b9\u306e\u00a0<code><strong>requestAnimationFrame()</strong></code>\u00a0\u30e1\u30bd\u30c3\u30c9\u306f\uff0c<a href=\"/ja/docs/Web/API/Window/requestAnimationFrame\" title=\"window.requestAnimationFrame()&#xA0;&#x30E1;&#x30BD;&#x30C3;&#x30C9;&#x306F;&#x3001;&#x30D6;&#x30E9;&#x30A6;&#x30B6;&#x306B;&#x63CF;&#x753B;&#x3055;&#x305B;&#x305F;&#x3044;&#x30A2;&#x30CB;&#x30E1;&#x30FC;&#x30B7;&#x30E7;&#x30F3;&#x3092;&#x6307;&#x5B9A;&#x3057;&#x3001;&#x6B21;&#x306E;&#x518D;&#x63CF;&#x753B;&#x306E;&#x524D;&#x306B;&#x3001;&#x30A2;&#x30CB;&#x30E1;&#x30FC;&#x30B7;&#x30E7;&#x30F3;&#x3092;&#x66F4;&#x65B0;&#x3059;&#x308B;&#x6307;&#x5B9A;&#x3057;&#x305F;&#x95A2;&#x6570;&#x3092;&#x547C;&#x3073;&#x51FA;&#x3059;&#x3088;&#x3046;&#x306B;&#x8981;&#x6C42;&#x3057;&#x307E;&#x3059;&#x3002;&#x3053;&#x306E;&#x30E1;&#x30BD;&#x30C3;&#x30C9;&#x306F;&#x518D;&#x63CF;&#x753B;&#x3059;&#x308B;&#x524D;&#x306B;&#x547C;&#x3073;&#x51FA;&#x3055;&#x308C;&#x308B;&#x30B3;&#x30FC;&#x30EB;&#x30D0;&#x30C3;&#x30AF;&#x30E1;&#x30BD;&#x30C3;&#x30C9;&#x3092;&#x5F15;&#x6570;&#x306B;&#x3072;&#x3068;&#x3064;&#x3068;&#x308A;&#x307E;&#x3059;&#x3002;\"><code>Window.requestAnimationFrame</code></a> \u306e\u7279\u5225\u306a\u5b9f\u88c5\u3067\u3059\uff0e\u3053\u306e\u30e1\u30bd\u30c3\u30c9\u306f <code>VRDisplay</code> \u304c\u30ec\u30f3\u30c0\u30ea\u30f3\u30b0\u3055\u308c\u3066\u3044\u308b\u9593\uff0c\u65b0\u3057\u3044\u30d5\u30ec\u30fc\u30e0\u6bce\u306b\u547c\u51fa\u3055\u308c\u308b\u30b3\u30fc\u30eb\u30d0\u30c3\u30af\u95a2\u6570\u3092\u6301\u3061\u307e\u3059:", "localization_tags": [], "locale": "ja", "last_edit": "2016-09-02T22:49:31", "review_tags": []}], "modified": "2016-05-12T13:31:18", "label": "VRDisplay.requestAnimationFrame()", "localization_tags": [], "locale": "en-US", "id": 184802, "last_edit": "2016-05-12T13:31:15", "summary": "The <code><strong>requestAnimationFrame()</strong></code> method of the <a href=\"/en-US/docs/Web/API/VRDisplay\" title=\"The VRDisplay interface of the WebVR API represents any VR device supported by this API. It includes generic information such as device IDs and descriptions, as well as methods for starting to present a VR scene, retrieving eye parameters and display capabilities, and other important functionality.\"><code>VRDisplay</code></a> interface is a special implementation of <a href=\"/en-US/docs/Web/API/Window/requestAnimationFrame\" title=\"You should call this method whenever you're ready to update your animation onscreen. This will request that your animation function be called before the browser performs the next repaint. The number of callbacks is usually 60 times per second, but will generally match the display refresh rate in most web browsers as per W3C recommendation. The callback rate may be reduced to a lower rate when running in background tabs or in hidden &lt;iframe&gt;s in order to improve performance and battery life.\"><code>Window.requestAnimationFrame</code></a> containing a callback function that will be called every time a new frame of the <code>VRDisplay</code> presentation is rendered:", "sections": [{"id": "Quick_Links", "title": null}, {"id": "Syntax", "title": "Syntax"}, {"id": "Parameters", "title": "Parameters"}, {"id": "Return_value", "title": "Return value"}, {"id": "Examples", "title": "Examples"}, {"id": "Specifications", "title": "Specifications"}, {"id": "Browser_compatibility", "title": "Browser compatibility"}, {"id": "See_also", "title": "See also"}], "slug": "Web/API/VRDisplay/requestAnimationFrame", "review_tags": []}