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- <!DOCTYPE html>
- <html lang="en">
- <head>
- <meta charset="utf-8" />
- <base href="../../../" />
- <script src="page.js"></script>
- <link type="text/css" rel="stylesheet" href="page.css" />
- </head>
- <body>
- <h1>[name]</h1>
- <p class="desc">
- Object for keeping track of time. This uses
- [link:https://developer.mozilla.org/en-US/docs/Web/API/Performance/now performance.now] if it is available, otherwise it reverts to the less
- accurate
- [link:https://developer.mozilla.org/en/docs/Web/JavaScript/Reference/Global_Objects/Date/now Date.now].
- </p>
- <h2>Constructor</h2>
- <h3>[name]( [param:Boolean autoStart] )</h3>
- <p>
- autoStart — (optional) whether to automatically start the clock when
- [page:.getDelta]() is called for the first time. Default is `true`.
- </p>
- <h2>Properties</h2>
- <h3>[property:Boolean autoStart]</h3>
- <p>
- If set, starts the clock automatically when [page:.getDelta]() is called
- for the first time. Default is `true`.
- </p>
- <h3>[property:Float startTime]</h3>
- <p>
- Holds the time at which the clock's [page:Clock.start start] method was
- last called. Default is `0`.
- </p>
- <h3>[property:Float oldTime]</h3>
- <p>
- Holds the time at which the clock's [page:Clock.start start],
- [page:.getElapsedTime]() or [page:.getDelta]() methods were last called.
- Default is `0`.
- </p>
- <h3>[property:Float elapsedTime]</h3>
- <p>
- Keeps track of the total time that the clock has been running. Default is
- `0`.
- </p>
- <h3>[property:Boolean running]</h3>
- <p>Whether the clock is running or not. Default is `false`.</p>
- <h2>Methods</h2>
- <h3>[method:undefined start]()</h3>
- <p>
- Starts clock. Also sets the [page:.startTime] and [page:.oldTime] to the
- current time, sets [page:.elapsedTime] to `0` and [page:.running] to
- `true`.
- </p>
- <h3>[method:undefined stop]()</h3>
- <p>
- Stops clock and sets [page:Clock.oldTime oldTime] to the current time.
- </p>
- <h3>[method:Float getElapsedTime]()</h3>
- <p>
- Get the seconds passed since the clock started and sets [page:.oldTime] to
- the current time.<br />
- If [page:.autoStart] is `true` and the clock is not running, also starts
- the clock.
- </p>
- <h3>[method:Float getDelta]()</h3>
- <p>
- Get the seconds passed since the time [page:.oldTime] was set and sets
- [page:.oldTime] to the current time.<br />
- If [page:.autoStart] is `true` and the clock is not running, also starts
- the clock.
- </p>
- <h2>Source</h2>
- <p>
- [link:https://github.com/mrdoob/three.js/blob/master/src/[path].js src/[path].js]
- </p>
- </body>
- </html>
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