d3泡泡球生成动画效果-html代码-BFW代码库

d3泡泡球生成动画效果

代码语言：html

所属分类：动画

代码描述：d3泡泡球生成动画效果

下面为部分代码预览，完整代码请点击下载或在bfwstudio webide中打开


<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">

<style>
* {
    box-sizing: border-box;
}

body,
html {
    height: 100%;
}

body {
    margin: 0;
}

html {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Helvetica Neue', Arial, sans-serif, 'Apple Color Emoji', 'Segoe UI Emoji', 'Segoe UI Symbol';
    font-size: 16px;
}

.bubbles {
    position: absolute;
    top: 0;
    right: 0;
    bottom: 0;
    left: 0;
    touch-action: manipulation;
    width: auto;
    height: auto;
}

.bubble {
    position: absolute;
    background-color: var(--color);
    border: 4px solid var(--color);
    border-radius: calc(var(--radius) * 1px);
    box-shadow: inset 0 0 0 4px rgba(255, 255, 255, 0);
    color: rgba(52, 73, 94, 0.75);
    cursor: pointer;
    font-size: 3rem;
    font-weight: lighter;
    outline: 0;
    padding: 0;
    -webkit-tap-highlight-color: transparent;
    transform: translate(-50%, -50%) translate(calc(var(--x) * 1px), calc(var(--y) * 1px)) scale(var(--scale));
    transition: box-shadow 200ms;
    width: calc(var(--radius) * 2px);
    height: calc(var(--radius) * 2px);
}

.bubble--active {
    box-shadow: inset 0 0 0 4px rgba(255, 255, 255, 0.9);
}
</style>

</head>
<body translate="no">
<section class="bubbles"></section>

<script type="text/javascript" src="http://repo.bfw.wiki/bfwrepo/js/d3.v5.js"></script>
<script >
class Bubbles {
    static CLASS_BUBBLE = 'bubble'
    static CLASS_BUBBLE_ACTIVE = 'bubble--active'
    static CLASS_BUBBLES = 'bubbles'

    container = null
    data = [ ]
    element = null
    selection = null
    simulation = null

    constructor() {
        this.bindMethodContexts([
            'bubbleClick',
            'bubbleDragStart',
            'bubbleDragMove',
            'bubbleDragEnd',
            'joinEnter',
            'simulationTick'
        ])
    }

    bindMethodContexts(methodNames) {
        methodNames.forEach((methodName) => {
            this[methodName] = this[methodName].bind(this)
        })
    }

    bubbleClick(datum) {
        const noParent = datum.parent === null

        if (noParent) {
            if (datum.active) {
                const parentDatum = datum
                const { CLASS_BUBBLE } = this.constructor

                this.selection
                    .selectAll(`.${CLASS_BUBBLE}`)
                    .filter((datum) => datum.parent === parentDatum.id)
                    .transition()
                    .delay(() => Math.random() * 200)
                    .duration(800)
                    .styleTween('--scale', (datum) => {
                        return (ratio) => {
                            const scale = d3.easeCubicIn(1 - ratio)

                            datum.scale = scale
                            this.refreshSimulation()

                            return scale
                        }
                    })
                    .on('end', () => {
                        this.data = this.data.filter((datum) => datum.parent !== parentDatum.id)

                        this.setUpSelection()
                        this.refreshSimulation()
                    })
            } else {
                this.data = this.data.concat(datum.subdata.map((subdatum) => {
                    subdatum.x = datum.x
                    subdatum.y = datum.y

                    return subdatum
                }))

                this.setUpSelection()
                this.refreshSimulation()
            }
        }

        datum.active = !datum.active
    }

    bubbleDragStart(datum) {
        this.restartSimulation()

        datum.ox = datum.x - d3.event.x
        datum.oy = datum.y - d3.event.y

        datum.fx = datum.x
        datum.fy = datum.y
    }

    bubbleDragMove(datum) {
        datum.fx = d3.event.x + datum.ox
        datum.fy = d3.event.y + datum.oy
    }

    bubbleDragEnd(datum) {
        datum.fx = null
        datum.fy = null
    }

    generateData(parent) {
        const amount = parent ? 6 : 7
        const colors = ['#1ABC9C', '#2ECC71', '#3498DB', '#9B59B6', '#E67E22', '#E74C3C', '#F1C40F']
        const da.........完整代码请登录后点击上方下载按钮下载查看