mirror of
https://gitee.com/antv/g6.git
synced 2024-12-05 05:09:07 +08:00
161 lines
5.1 KiB
HTML
161 lines
5.1 KiB
HTML
<!DOCTYPE html>
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<html lang="en">
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<head>
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<meta charset="UTF-8">
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<meta name="viewport" content="width=device-width, initial-scale=1.0">
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<meta http-equiv="X-UA-Compatible" content="ie=edge">
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<title>画廊-粒子传输</title>
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</head>
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<body>
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<div id="mountNode"></div>
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<script src="./assets/jquery-3.2.1.min.js"></script>
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<script src="./assets/d3-4.13.0.min.js"></script>
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<script src="../build/g6.js"></script>
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<script src="../build/plugin.tool.d3.mapper.js"></script>
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<script>
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const { forceSimulation, forceManyBody, forceCollide } = d3;
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const Util = G6.Util;
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class ParticleTransport {
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constructor(options) {
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this.options = {
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getGravitys(graph) {
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const colors = [ '#FD8C3D', '#D83F43', '#F7BED6', '#E487C7', '#46A848', '#D83F43', '#3B85BA', '#48335B', '#B7CDE9' ]; // 重力点附上颜色
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const width = graph.getWidth();
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const height = graph.getHeight();
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const padding = 60;
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const center = [
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width / 2,
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height / 2
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];
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const gravityCount = 8;
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const angleStep = Math.PI * 2 / gravityCount;
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const radius = Math.min(width, height) / 2 - padding;
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const initialv = [ 0, -radius ];
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const gravitys = [ initialv ];
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for (let index = 1; index < gravityCount; index++) {
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const v = Util.vec2.rotate([], initialv, [ 0, 0 ], angleStep * index);
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gravitys.push(v);
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}
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gravitys.forEach((gravity, index) => {
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gravity[0] = center[0] + gravity[0];
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gravity[1] = center[1] + gravity[1];
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gravity[2] = colors[index];
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});
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return gravitys;
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},
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...options
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};
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this.init();
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}
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initGraph() {
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const graph = new G6.Graph({
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container: 'mountNode',
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height: window.innerHeight, // 画布高
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animate: {
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update({ element, endKeyFrame }) {
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const { props } = endKeyFrame;
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element.animate({
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matrix: props.matrix,
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...props.attrs
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}, 3000, 'easeQuadOut');
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}
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}
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});
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this.graph = graph;
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}
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getRandom(array) {
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return array[parseInt(array.length * Math.random())];
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}
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initData() {
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const { gravitys } = this;
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const data = {
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nodes: []
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};
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gravitys.forEach((gravity, index) => {
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const maxCount = 20 * (index + 1);
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const minCount = 2 * (index + 1);
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const nodeCount = parseInt(Math.random() * maxCount);
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for (let index = 0; index < nodeCount; index++) {
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data.nodes.push({
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size: 4 + 6 * Math.random(),
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color: gravity[2],
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gx: gravity[0],
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gy: gravity[1],
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x: gravity[0] + Math.random() * 5,
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y: gravity[1] + Math.random() * 5,
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style: {
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stroke: null
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}
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});
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}
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});
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this.graph.read(data);
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this.data = data;
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}
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initSimulation() {
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const { nodes } = this.data;
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const graph = this.graph;
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this.simulation = forceSimulation(nodes)
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.force('charge', forceManyBody())
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.force('collision', forceCollide().radius(model => {
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return model.size / 2 + 2;
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}))
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.on('tick', function() {
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// const alpha = 1/node.gx - node.x;
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nodes.forEach(node => {
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node.x += (node.gx - node.x) * 0.04;
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node.y += (node.gy - node.y) * 0.04;
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});
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graph.preventAnimate(() => {
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graph.updateNodePosition();
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});
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});
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}
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initGravitys() {
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const { getGravitys } = this.options;
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this.gravitys = getGravitys(this.graph);
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}
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init() {
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this.initGraph();
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this.initGravitys();
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this.initData();
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this.initSimulation();
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const graph = this.graph;
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graph.add('node', {
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label: {
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text: 'Power By G6',
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fontSize: 18
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},
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x: graph.getWidth()/2,
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y: graph.getHeight()/2,
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style: {
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fillOpacity: 0,
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strokeOpacity: 0
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}
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});
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setInterval(() => {
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const { nodes } = this.data;
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const count = 5;
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for (let index = 0; index < count; index++) {
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const node = this.getRandom(nodes);
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const gravity = this.getRandom(this.gravitys);
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graph.update(node.id, {
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gx: gravity[0],
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gy: gravity[1],
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color: gravity[2]
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});
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}
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this.simulation.alpha(0.003).restart();
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}, 100);
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}
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}
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new ParticleTransport();
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</script>
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</body>
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</html>
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