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ReactJS animated-boxes
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| p { | |
| font: 12px/16px Arial; | |
| margin: 10px 10px 15px; | |
| } | |
| button { | |
| font: bold 14px/14px Arial; | |
| margin-left: 10px; | |
| } | |
| #grid { | |
| margin: 10px; | |
| } | |
| .box-view { | |
| width: 20px; height: 20px; | |
| float: left; | |
| position: relative; | |
| margin: 8px; | |
| } | |
| .box { | |
| border-radius: 100px; | |
| width: 20px; height: 10px; | |
| padding: 5px 0; | |
| color: #fff; | |
| font: 10px/10px Arial; | |
| text-align: center; | |
| position: absolute; | |
| } |
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| <!DOCTYPE html> | |
| <html> | |
| <head> | |
| <meta http-equiv='Content-type' content='text/html; charset=utf-8'> | |
| <title>Animated Boxes with ReactJS</title> | |
| <link rel="stylesheet" href="index.css" /> | |
| <script src="http://fb.me/react-0.8.0.js"></script> | |
| <script src="http://fb.me/JSXTransformer-0.8.0.js"></script> | |
| </head> | |
| <body> | |
| <script type="text/jsx" src="index.js"></script> | |
| </body> | |
| </html> |
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| function BoxController() { | |
| this.count = 0; | |
| this.top = 0; | |
| this.left = 0; | |
| this.color = 0; | |
| this.content = 0; | |
| } | |
| BoxController.prototype.tick = function() { | |
| var count = this.count += 1; | |
| this.top = Math.sin(count / 10) * 10; | |
| this.left = Math.cos(count / 10) * 10; | |
| this.color = count % 255; | |
| this.content = count % 100; | |
| } | |
| /** | |
| * Box Component | |
| */ | |
| var Box = React.createClass({ | |
| render: function() { | |
| var data = this.props.data; | |
| var divStyle = { | |
| top: data.top, | |
| left: data.left, | |
| backgroundColor: "rgb(0,0," + data.color + ")" | |
| }; | |
| return ( | |
| <div className="box-view"> | |
| <div className="box" style={divStyle}>{data.content}</div> | |
| </div> | |
| ); | |
| } | |
| }); | |
| /** | |
| * Main Component | |
| */ | |
| var Main = React.createClass({ | |
| getInitialState: function() { | |
| var N = 300; | |
| var boxes = []; | |
| for (var i = 0; i < N; i++) { | |
| boxes[i] = new BoxController(); | |
| } | |
| return {boxes: boxes}; | |
| }, | |
| tick: function() { | |
| var boxes = this.state.boxes; | |
| boxes.forEach(function(box) { | |
| box.tick(); | |
| }); | |
| this.setState({boxes: boxes}); | |
| this.animationFrame = window.requestAnimationFrame(this.tick); | |
| }, | |
| componentDidMount: function() { | |
| this.animationFrame = window.requestAnimationFrame(this.tick); | |
| }, | |
| componentWillUnmount: function() { | |
| window.cancelAnimationFrame(this.animationFrame); | |
| }, | |
| render: function() { | |
| var boxNodes = this.state.boxes.map(function (box, index) { | |
| return <Box key={index} data={box}></Box>; | |
| }); | |
| return <div id="grid">{boxNodes}</div>; | |
| } | |
| }); | |
| React.renderComponent(<Main></Main>, document.querySelector("body")); |
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