噪点变换艺术效果-html代码-BFW代码库

代码语言：html

所属分类：粒子

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>
@import url('https://fonts.googleapis.com/css?family=Laila|Lobster');

        html, body {
            overflow: hidden;
            padding: 0px;
            margin: 0px;
            background: #000;
        }

        #canvas {
            position: absolute;
            left: 50%;
            top: 50%;
            height: 300px;
            width: 300px;
            transform: translate(-50%, -50%);
            box-shadow: 0px 0px 5px rgba(255,255,255,0.3);
        }

        .collection,
        .name {
            position: absolute;
            color: #fff;
            padding: 5px;
            text-align: left;
            font-size: 24px;
            font-family: 'Laila', serif;
            transition: 200ms ease-in-out;
            text-shadow: 2px 0px 4px #000;
        }

        .collection {
            font-size: 18px !important;
            top: 10px;
            left: 10px;
        }

        .collection > span {
            font-size: 24px;
        }

        .name {
            top: 5px;
            left: 5px;
            font-family: 'Lobster', serif;
        }

        .collection > span > a {
            font-family: 'Lobster', serif;
            position: relative;
            transition: all 200ms ease-in-out;
        }

        .textHover:active,
        .textHover:link,
        .textHover:visited,
        .textHover:hover {
            text-decoration: none;
            color: #fff;
        }

        .textHover:before,
        .textHover:after {
            content: "";
            position: absolute;
            width: 100%;
            height: 2px;
            bottom: -5px;
            left: 0px;
            box-shadow: 0px 0px 10px #fff;
            background-color: white;
            visibility: hidden;
            transform: scaleX(0);
            transition: all 200ms ease-in-out;
        }

        .textHover:after {
            top: -2px;
            transition-delay: 200ms;
        }

        .textHover:hover:before,
        .textHover:hover:after,
        .textHover:hover {
            visibility: visible;
            transform: scaleX(1);
            cursor: pointer;
            text-shadow: 0px 0px 10px #fff;
        }
    </style>

</head>
<body translate="no">
    <canvas id="canvas"></canvas>
  
<script type="text/javascript" src="http://repo.bfw.wiki/bfwrepo/js/dat.gui-min.js"></script>
    <script>
    !function(t){var o=t.noise={};function r(t,o,r){this.x=t,this.y=o,this.z=r}r.prototype.dot2=function(t,o){return this.x*t+this.y*o},r.prototype.dot3=function(t,o,r){return this.x*t+this.y*o+this.z*r};var n=[new r(1,1,0),new r(-1,1,0),new r(1,-1,0),new r(-1,-1,0),new r(1,0,1),new r(-1,0,1),new r(1,0,-1),new r(-1,0,-1),new r(0,1,1),new r(0,-1,1),new r(0,1,-1),new r(0,-1,-1)],e=[151,160,137,91,90,15,131,13,201,95,96,53,194,233,7,225,140,36,103,30,69,142,8,99,37,240,21,10,23,190,6,148,247,120,234,75,0,26,197,62,94,252,219,203,117,35,11,32,57,177,33,88,237,149,56,87,174,20,125,136,171,168,68,175,74,165,71,134,139,48,27,166,77,146,158,231,83,111,229,122,60,211,133,230,220,105,92,41,55,46,245,40,244,102,143,54,65,25,63,161,1,216,80,73,209,76,132,187,208,89,18,169,200,196,135,130,116,188,159,86,164,100,109,198,173,186,3,64,52,217,226,250,124,123,5,202,38,147,118,126,255,82,85,212,207,206,59,227,47,16,58,17,182,189,28,42,223,183,170,213,119,248,152,2,44,154,163,70,221,153,101,155,167,43,172,9,129,22,39,253,19,98,108,110,79,113,224,232,178,185,112,104,218,246,97,228,251,34,242,193,238,210,144,12,191,179,162,241,81,51,145,235,249,14,239,107,49,192,214,31,181,199,106,157,184,84,204,176,115,121,50,45,127,4,150,254,138,236,205,93,222,114,67,29,24,72,243,141,128,195,78,66,215,61,156,180],a=new Array(512),i=new Array(512);o.seed=function(t){t>0&&t<1&&(t*=65536),(t=Math.floor(t))<256&&(t|=t<<8);for(var o=0;o<256;o++){var r;r=1&o?e[o]^255&t:e[o]^t>>8&255,a[o]=a[o+256]=r,i[o]=i[o+256]=n[r%12]}},o.seed(0);var d=.5*(Math.sqrt(3)-1),f=(3-Math.sqrt(3))/6,h=1/6;function u(t){return t*t*t*(t*(6*t-15)+10)}function s(t,o,r){return(1-r)*t+r*o}o.simplex2=function(t,o){var r,n,e=(t+o)*d,h=Math.floor(t+e),u=Math.floor(o+e),s=(h+u)*f,l=t-h+s,w=o-u+s;l>w?(r=1,n=0):(r=0,n=1);var v=l-r+f,M=w-n+f,c=l-1+2*f,p=w-1+2*f,y=i[(h&=255)+a[u&=255]],x=i[h+r+a[u+n]],m=i[h+1+a[u+1]],q=.5-l*l-w*w,z=.5-v*v-M*M,A=.5-c*c-p*p;return 70*((q<0?0:(q*=q)*q*y.dot2(l,w))+(z<0?0:(z*=z)*z*x.dot2(v,M))+(A<0?0:(A*=A)*A*m.dot2(c,p)))},o.simplex3=function(t,o,r){var n,e,d,f,u,s,l=(t+o+r)*(1/3),w=Math.floor(t+l),v=Math.floor(o+l),M=Math.floor(r+l),c=(w+v+M)*h,p=t-w+c,y=o-v+c,x=r-M+c;p>=y?y>=x?(n=1,e=0,d=0,f=1,u=1,s=0):p>=x?(n=1,e=0,d=0,f=1,u=0,s=1):(n=0,e=0,d=1,f=1,u=0,s=1):y<x?(n=0,e=0,d=1,f=0,u=1,s=1):p<x?(n=0,e=1,d=0,f=0,u=1,s=1):(n=0,e=1,d=0,f=1,u=1,s=0);var m=p-n+h,q=y-e+h,z=x-d+h,A=p-f+2*h,b=y-u+2*h,g=x-s+2*h,j=p-1+.5,k=y-1+.5,B=x-1+.5,C=i[(w&=255)+a[(v&=255)+a[M&=255]]],D=i[w+n+a[v+e+a[M+d]]],E=i[w+f+a[v+u+a[M+s]]],F=i[w+1+a[v+1+a[M+1]]],G=.6-p*p-y*y-x*x,H=.6-m*m-q*q-z*z,I=.6-A*A-b*b-g*g,J=.6-j*j-k*k-B*B;return 32*((G<0?0:(G*=G)*G*C.dot3(p,y,x))+(H<0?0:(H*=H)*H*D.d.........完整代码请登录后点击上方下载按钮下载查看