test/ssr-animaiton-wave.html

<!DOCTYPE html>
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<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, svg {
                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(null, null, {
                    width: 500,
                    height: 500,
                    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: config.backgroundColor,
                        graphic: {
                            elements: createElements()
                        }
                    });

                    document.getElementById('main').innerHTML = chart.renderToSVGString();
                }

                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);
            });
        </script>
    </body>
</html>