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Merge pull request #2395 from Vixcity/wx
把nest提炼出来，放到public上面，优化体积，优化鼠标移动粒子特效的代码
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1,124 +1,14 @@ | ||
| /* eslint-disable */ | ||
| import { useEffect } from 'react' | ||
| const id = 'canvasNestCreated' | ||
| const Nest = () => { | ||
| const destroyNest = ()=>{ | ||
| const nest = document.getElementById(id) | ||
| if(nest && nest.parentNode){ | ||
| nest.parentNode.removeChild(nest) | ||
| } | ||
| } | ||
| import { loadExternalResource } from '@/lib/utils' | ||
|
|
||
| const Nest = () => { | ||
| useEffect(() => { | ||
| createNest() | ||
| return () => destroyNest() | ||
| loadExternalResource('/js/nest.js', 'js').then(url => { | ||
| window.createNest && window.createNest() | ||
| }) | ||
| return () => window.destroyNest && window.destroyNest() | ||
| }, []) | ||
| return <></> | ||
| } | ||
|
|
||
| export default Nest | ||
|
|
||
| /** | ||
| * 创建连接点 | ||
| * @param config | ||
| */ | ||
| function createNest() { | ||
| const e = document.getElementById('__next') | ||
| if(!e) return | ||
| function n(e, n, t) { | ||
| return e.getAttribute(n) || t | ||
| } | ||
| function t() { | ||
| ;(u = i.width = | ||
| window.innerWidth || | ||
| document.documentElement.clientWidth || | ||
| document.body.clientWidth), | ||
| (d = i.height = | ||
| window.innerHeight || | ||
| document.documentElement.clientHeight || | ||
| document.body.clientHeight) | ||
| } | ||
| function o() { | ||
| c.clearRect(0, 0, u, d) | ||
| const e = [s].concat(x) | ||
| let n, t, i, l, r, w | ||
| x.forEach(function (o) { | ||
| for ( | ||
| o.x += o.xa, | ||
| o.y += o.ya, | ||
| o.xa *= o.x > u || o.x < 0 ? -1 : 1, | ||
| o.ya *= o.y > d || o.y < 0 ? -1 : 1, | ||
| c.fillRect(o.x - 0.5, o.y - 0.5, 1, 1), | ||
| t = 0; | ||
| t < e.length; | ||
| t++ | ||
| ) | ||
| (n = e[t]), | ||
| o !== n && | ||
| null !== n.x && | ||
| null !== n.y && | ||
| ((l = o.x - n.x), | ||
| (r = o.y - n.y), | ||
| (w = l * l + r * r), | ||
| w < n.max && | ||
| (n === s && | ||
| w >= n.max / 2 && | ||
| ((o.x -= 0.03 * l), (o.y -= 0.03 * r)), | ||
| (i = (n.max - w) / n.max), | ||
| c.beginPath(), | ||
| (c.lineWidth = i / 2), | ||
| (c.strokeStyle = 'rgba(' + a.c + ',' + (i + 0.2) + ')'), | ||
| c.moveTo(o.x, o.y), | ||
| c.lineTo(n.x, n.y), | ||
| c.stroke())) | ||
| e.splice(e.indexOf(o), 1) | ||
| }), | ||
| m(o) | ||
| } | ||
| var i = document.createElement('canvas') | ||
| i.id = id | ||
| var a = (function () { | ||
| const t = e | ||
| return { | ||
| z: n(t, 'zIndex', 0), | ||
| o: n(t, 'opacity', 0.7), | ||
| c: n(t, 'color', '0,0,0'), | ||
| n: n(t, 'count', 99) | ||
| } | ||
| })(), | ||
| c = i.getContext('2d') | ||
| let u, d | ||
| var m = | ||
| window.requestAnimationFrame || | ||
| window.webkitRequestAnimationFrame || | ||
| window.mozRequestAnimationFrame || | ||
| window.oRequestAnimationFrame || | ||
| window.msRequestAnimationFrame || | ||
| function (e) { | ||
| window.setTimeout(e, 1e3 / 45) | ||
| } | ||
| const l = Math.random | ||
| var r, | ||
| s = { x: null, y: null, max: 2e4 } | ||
| ;(i.style.cssText = | ||
| 'position:fixed;top:0;left:0;pointer-events:none;z-index:' + a.z + ';opacity:' + a.o), | ||
| (r = 'body'), e.appendChild(i), | ||
| t(), | ||
| (window.onresize = t), | ||
| (window.onmousemove = function (e) { | ||
| ;(e = e || window.event), (s.x = e.clientX), (s.y = e.clientY) | ||
| }), | ||
| (window.onmouseout = function () { | ||
| ;(s.x = null), (s.y = null) | ||
| }) | ||
| for (var x = [], w = 0; a.n > w; w++) { | ||
| const e = l() * u, | ||
| n = l() * d, | ||
| t = 2 * l() - 1, | ||
| o = 2 * l() - 1 | ||
| x.push({ x: e, y: n, xa: t, ya: o, max: 6e3 }) | ||
| } | ||
| setTimeout(function () { | ||
| o() | ||
| }, 100) | ||
| } |
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