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SVG Seconds Clock with Composi
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| import {h, Component} from 'composi' | |
| class Clock extends Component { | |
| constructor(props) { | |
| super(props) | |
| this.state = {time: Date.now()} | |
| this.styles = { | |
| 'p > span': { | |
| fontFamily: 'Courier, Monospace' | |
| } | |
| } | |
| } | |
| render() { | |
| let time = this.state.time | |
| const angle = (time) => 2 * Math.PI * time / 60000 | |
| return ( | |
| <li> | |
| <div> | |
| <svg viewBox="0 0 100 100" width="150px"> | |
| <circle cx="50" cy="50" r="45" fill="blue" /> | |
| <line | |
| stroke-width="2" | |
| x1="50" | |
| y1="50" | |
| x2={ 50 + 40 * Math.cos(angle(time)) } | |
| y2={ 50 + 40 * Math.sin(angle(time)) } | |
| stroke="white" | |
| /> | |
| </svg> | |
| <p>The time: <span>{ new Date(time).getHours() > 12 ? new Date(time).getHours() -12 : new Date(time).getHours() }:{ new Date(time).getMinutes() }:{ new Date(time).getSeconds() < 10 ? '0' + new Date(time).getSeconds() : new Date(time).getSeconds()} { new Date(time).getHours() > 12 ? 'PM' : 'AM' }</span></p> | |
| </div> | |
| </li> | |
| ) | |
| } | |
| tick() { | |
| this.setState({time: new Date()}) | |
| } | |
| componentWasCreated() { | |
| this.timeID = setInterval(() => { this.tick() }, 1000) | |
| } | |
| } | |
| const clock = new Clock({ | |
| root: '#clock' | |
| }) |
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| <!DOCTYPE html> | |
| <html lang="en"> | |
| <head> | |
| <meta charset="utf-8"> | |
| <meta name="viewport" content="initial-scale=1.0, maximum-scale=1.0, user-scalable=no"> | |
| <meta name="apple-mobile-web-app-capable" content="yes"> | |
| <meta name="mobile-web-app-capable" content="yes"> | |
| <meta name="msapplication-tap-highlight" content="no"> | |
| <title>SVG Clock</title> | |
| <link rel="stylesheet" href="./css/chui-ios.css"> | |
| </head> | |
| <body> | |
| <ui-screen class="current" id="main"> | |
| <nav> | |
| <h1>SVG Clock</h1> | |
| </nav> | |
| <section> | |
| <h2>Counting Seconds</h2> | |
| <ul id="clock" class="list"></ul> | |
| </section> | |
| </ui-screen> | |
| <script src="js/app.js"></script> | |
| </body> |
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