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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 |
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@@ -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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