hustcc / canvas-nest.js

:cancer: Interactive Particle / Nest System With JavaScript and Canvas, no jQuery.
https://git.hust.cc/canvas-nest.js
MIT License
4.3k stars 826 forks source link

Next主题中使用新版js 无法全屏动画 #47

Closed sli1989 closed 5 years ago

sli1989 commented 5 years ago

image

https://raw.githubusercontent.com/hustcc/canvas-nest.js/master/dist/canvas-nest.js

旧版js却可以 不知道为什么

!function(){function o(w,v,i){return w.getAttribute(v)||i}function j(i){return document.getElementsByTagName(i)}function l(){var i=j("script"),w=i.length,v=i[w-1];return{l:w,z:o(v,"zIndex",-1),o:o(v,"opacity",0.5),c:o(v,"color","0,0,0"),n:o(v,"count",99)}}function k(){r=u.width=window.innerWidth||document.documentElement.clientWidth||document.body.clientWidth,n=u.height=window.innerHeight||document.documentElement.clientHeight||document.body.clientHeight}function b(){e.clearRect(0,0,r,n);var w=[f].concat(t);var x,v,A,B,z,y;t.forEach(function(i){i.x+=i.xa,i.y+=i.ya,i.xa*=i.x>r||i.x<0?-1:1,i.ya*=i.y>n||i.y<0?-1:1,e.fillRect(i.x-0.5,i.y-0.5,1,1);for(v=0;v<w.length;v++){x=w[v];if(i!==x&&null!==x.x&&null!==x.y){B=i.x-x.x,z=i.y-x.y,y=B*B+z*z;y<x.max&&(x===f&&y>=x.max/2&&(i.x-=0.03*B,i.y-=0.03*z),A=(x.max-y)/x.max,e.beginPath(),e.lineWidth=A/2,e.strokeStyle="rgba("+s.c+","+(A+0.2)+")",e.moveTo(i.x,i.y),e.lineTo(x.x,x.y),e.stroke())}}w.splice(w.indexOf(i),1)}),m(b)}var u=document.createElement("canvas"),s=l(),c="c_n"+s.l,e=u.getContext("2d"),r,n,m=window.requestAnimationFrame||window.webkitRequestAnimationFrame||window.mozRequestAnimationFrame||window.oRequestAnimationFrame||window.msRequestAnimationFrame||function(i){window.setTimeout(i,1000/45)},a=Math.random,f={x:null,y:null,max:20000};u.id=c;u.style.cssText="position:fixed;top:0;left:0;z-index:"+s.z+";opacity:"+s.o;j("body")[0].appendChild(u);k(),window.onresize=k;window.onmousemove=function(i){i=i||window.event,f.x=i.clientX,f.y=i.clientY},window.onmouseout=function(){f.x=null,f.y=null};for(var t=[],p=0;s.n>p;p++){var h=a()*r,g=a()*n,q=2*a()-1,d=2*a()-1;t.push({x:h,y:g,xa:q,ya:d,max:6000})}setTimeout(function(){b()},100)}();
ZYSzys commented 5 years ago

@sli1989 canvas-nest.js v2版本为了区域渲染等特性,是做了相对较大的重构导致部分的向下不兼容,其中包括一些CSS属性的调整导致了目前的这个问题(emmm, 后续会跟进一下解决这个问题)。 在Next主题中是作为全局渲染的背景特效,还是先使用v1的吧。

sli1989 commented 5 years ago

thanks for your help.

rockbenben commented 5 years ago

用 css 将 body 铺满整个页面 <style> html,body{height: 100%;} </style>