134 lines
3.1 KiB
Vue
134 lines
3.1 KiB
Vue
<template>
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<div class="dv-decoration-6" :ref="ref">
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<svg :width="`${svgWH[0]}px`" :height="`${svgWH[1]}px`" :style="`transform:scale(${svgScale[0]},${svgScale[1]});`">
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<template
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v-for="(point, i) in points"
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>
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<rect
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:key="i"
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fill="#7acaec"
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:x="point[0] - halfRectWidth"
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:y="point[1] - heights[i] / 2"
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:width="rectWidth"
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:height="heights[i]"
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>
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<animate
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attributeName="y"
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:values="`${point[1] - minHeights[i] / 2};${point[1] - heights[i] / 2};${point[1] - minHeights[i] / 2}`"
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:dur="`${randoms[i]}s`"
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keyTimes="0;.5;1"
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calcMode="spline"
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keySplines=".42,0,.58,1;.42,0,.58,1"
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begin="0s"
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repeatCount="indefinite"
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/>
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<animate
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attributeName="height"
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:values="`${minHeights[i]};${heights[i]};${minHeights[i]}`"
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:dur="`${randoms[i]}s`"
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keyTimes="0;.5;1"
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calcMode="spline"
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keySplines=".42,0,.58,1;.42,0,.58,1"
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begin="0s"
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repeatCount="indefinite"
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/>
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</rect>
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</template>
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</svg>
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</div>
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</template>
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<script>
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import autoResize from '../../mixins/autoResize.js'
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import { randomExtend } from '../../util'
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export default {
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name: 'Decoration6',
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mixins: [autoResize],
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data () {
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const rectWidth = 7
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return {
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ref: 'decoration-6',
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svgWH: [300, 35],
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svgScale: [1, 1],
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rowNum: 1,
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rowPoints: 40,
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rectWidth,
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halfRectWidth: rectWidth / 2,
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points: [],
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heights: [],
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minHeights: [],
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randoms: []
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}
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},
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methods: {
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afterAutoResizeMixinInit () {
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const { calcSVGData } = this
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calcSVGData()
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},
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calcSVGData () {
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const { calcPointsPosition, calcScale } = this
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calcPointsPosition()
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calcScale()
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},
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calcPointsPosition () {
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const { svgWH, rowNum, rowPoints } = this
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const [w, h] = svgWH
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const horizontalGap = w / (rowPoints + 1)
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const verticalGap = h / (rowNum + 1)
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let points = new Array(rowNum).fill(0).map((foo, i) =>
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new Array(rowPoints).fill(0).map((foo, j) => [
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horizontalGap * (j + 1), verticalGap * (i + 1)
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]))
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this.points = points.reduce((all, item) => [...all, ...item], [])
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const heights = this.heights = new Array(rowNum * rowPoints)
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.fill(0).map(foo =>
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Math.random() > 0.8 ? randomExtend(0.7 * h, h) : randomExtend(0.2 * h, 0.5 * h))
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this.minHeights = new Array(rowNum * rowPoints)
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.fill(0).map((foo, i) => heights[i] * Math.random())
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this.randoms = new Array(rowNum * rowPoints)
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.fill(0).map(foo => Math.random() + 1.5)
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},
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calcScale () {
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const { width, height, svgWH } = this
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const [w, h] = svgWH
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this.svgScale = [width / w, height / h]
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},
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onResize () {
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const { calcSVGData } = this
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calcSVGData()
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}
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}
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}
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</script>
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<style lang="less">
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.dv-decoration-6 {
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width: 100%;
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height: 100%;
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svg {
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transform-origin: left top;
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}
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}
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</style>
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