| <!DOCTYPE html> |
| <!-- |
| Licensed to the Apache Software Foundation (ASF) under one |
| or more contributor license agreements. See the NOTICE file |
| distributed with this work for additional information |
| regarding copyright ownership. The ASF licenses this file |
| to you under the Apache License, Version 2.0 (the |
| "License"); you may not use this file except in compliance |
| with the License. You may obtain a copy of the License at |
| |
| http://www.apache.org/licenses/LICENSE-2.0 |
| |
| Unless required by applicable law or agreed to in writing, |
| software distributed under the License is distributed on an |
| "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
| KIND, either express or implied. See the License for the |
| specific language governing permissions and limitations |
| under the License. |
| --> |
| |
| |
| <html> |
| <head> |
| <meta charset="utf-8"> |
| <meta name="viewport" content="width=device-width, initial-scale=1" /> |
| <script src="lib/simpleRequire.js"></script> |
| <script src="lib/config.js"></script> |
| <script src="lib/jquery.min.js"></script> |
| <script src="lib/facePrint.js"></script> |
| <script src="lib/testHelper.js"></script> |
| <script src="lib/perlin.js"></script> |
| <script src="lib/dat.gui.min.js"></script> |
| <!-- <script src="ut/lib/canteen.js"></script> --> |
| <link rel="stylesheet" href="lib/reset.css" /> |
| </head> |
| <body> |
| <style> |
| body, #main { |
| margin: 0; |
| width: 100%; |
| height: 100%; |
| } |
| img { |
| position: absolute; |
| left: 0; |
| top: 0; |
| } |
| </style> |
| |
| |
| <div id="main"></div> |
| |
| <script> |
| require(['echarts'/*, 'map/js/china' */], function (echarts) { |
| // During transition |
| var chart = echarts.init(document.getElementById('main'), null, { |
| width: window.innerWidth, |
| height: window.innerHeight, |
| // renderer: 'svg', |
| // ssr: true |
| }) |
| |
| const width = chart.getWidth(); |
| const height = chart.getHeight(); |
| |
| const config = { |
| minSize: 3, |
| maxSize: 30, |
| |
| color0: '#ffa500', |
| color1: '#800080', |
| |
| backgroundColor: '#8e2ed2', |
| |
| duration: 4000, |
| |
| frequency: 500, |
| offsetX: 0, |
| offsetY: 100 |
| } |
| |
| function createElements() { |
| const elements = []; |
| for (let x = 20; x < width; x += 40) { |
| for (let y = 20; y < height; y += 40) { |
| const rand = noise.perlin2( |
| x / config.frequency + config.offsetX, |
| y / config.frequency + config.offsetY |
| ); |
| elements.push({ |
| type: 'circle', |
| x, y, |
| style: { |
| fill: config.color1 |
| }, |
| shape: { |
| r: config.maxSize |
| }, |
| keyframeAnimation: { |
| duration: config.duration, |
| loop: true, |
| delay: (rand - 1) * 4000, |
| keyframes: [{ |
| percent: 0.5, |
| easing: 'sinusoidalInOut', |
| style: { |
| fill: config.color0 |
| }, |
| scaleX: config.minSize / config.maxSize, |
| scaleY: config.minSize / config.maxSize |
| }, { |
| percent: 1, |
| easing: 'sinusoidalInOut', |
| style: { |
| fill: config.color1 |
| }, |
| scaleX: 1, |
| scaleY: 1 |
| }] |
| } |
| }); |
| } |
| } |
| return elements; |
| } |
| |
| function update() { |
| chart.setOption({ |
| // backgroundColor: { |
| // type: 'linear', |
| // x: 0, |
| // y: 0, |
| // x2: 1, |
| // y2: 0, |
| // colorStops: [{ |
| // offset: 0, |
| // color: '#8e2de2' |
| // }, { |
| // offset: 1, |
| // color: '#4a00e0' |
| // }] |
| // }, |
| backgroundColor: config.backgroundColor, |
| graphic: { |
| elements: createElements() |
| } |
| }) |
| } |
| |
| update(); |
| |
| |
| var gui = new dat.GUI(); |
| |
| gui.add(config, 'frequency', 10, 1000).onChange(update); |
| gui.add(config, 'offsetX', 0, 1000).onChange(update); |
| gui.add(config, 'offsetY', 0, 1000).onChange(update); |
| |
| gui.add(config, 'minSize', 0, 100).onChange(update); |
| gui.add(config, 'maxSize', 0, 100).onChange(update); |
| gui.add(config, 'duration', 100, 100000).onChange(update); |
| |
| gui.addColor(config, 'backgroundColor').onChange(update); |
| gui.addColor(config, 'color0').onChange(update); |
| gui.addColor(config, 'color1').onChange(update); |
| |
| // console.log(chart.renderToSVGString()); |
| // var blob = new Blob([chart.renderToSVGString()], { type: 'image/svg+xml' }); |
| // var a = document.createElement('a'); |
| // a.download = 'aaa.svg'; |
| // a.href = URL.createObjectURL(blob); |
| // a.style.display = "none"; |
| // a.click(); |
| }); |
| </script> |
| </body> |
| </html> |
| |