字母纲查看:83 回复:9 评论:83 创建时间:2022-05-25T20:43:12用户:字母纲查看:83 回复:9 评论:83 创建时间:2022-05-25T20:43:12
有没有进阶高手以上的收徒弟，收我吧
<!DOCTYPEhtmlPUBLIC"-//W3C//DTDXH喵L1.0Transitional//EN""http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> <htmlxmlns="http://www.w3.org/1999/xhtml"> <head> <title>JS1k:BreathingGalaxies(1013bytes)</title> <scripttype="text/javascript"> window.onload=function(){ C=Math.cos;//cacheMathobjects S=Math.sin; U=0; w=window; j=document; d=j.getElementById("c"); c=d.getContext("2d"); W=d.width=w.innerWidth; H=d.height=w.innerHeight; c.fillRect(0,0,W,H);//resize<canvas>anddrawblackrect(default) c.globalCompositeOperation="lighter";//switchtoadditivecolorapplication c.lineWidth=0.2; c.lineCap="round"; varbool=0, t=0;//theta d.onmousemove=function(e){ if(window.T){ if(D==9){D=Math.random()*15;f(1);} clearTimeout(T); } X=e.pageX;//grabmousepixelcoords Y=e.pageY; a=0;//previouscoord.x b=0;//previouscoord.y A=X,//originalcoord.x B=Y;//originalcoord.y R=(e.pageX/W*999>>0)/999; r=(e.pageY/H*999>>0)/999; U=e.pageX/H*360>>0; D=9; g=360*Math.PI/180; T=setInterval(f=function(e){//startloopingspectrum c.save(); c.globalCompositeOperation="source-over";//switchtoadditivecolorapplication if(e!=1){ c.fillStyle="rgba(0,0,0,0.02)"; c.fillRect(0,0,W,H);//resize<canvas>anddrawblackrect(default) } c.restore(); i=25;while(i--){ c.beginPath(); if(D>450||bool){//decreasediameter if(!bool){//hashitmaximum bool=1; } if(D<0.1){//hashitminimum bool=0; } t-=g;//decreasetheta D-=0.1;//decreasesize } if(!bool){ t+=g;//increasetheta D+=0.1;//increasesize } q=(R/r-1)*t;//createhypotrochoidfromcurrentmouseposition,andsetupvariables(see:http://en.wikipedia.org/wiki/Hypotrochoid) x=(R-r)*C(t)+D*C(q)+(A+(X-A)*(i/25))+(r-R);//centeronxycoords y=(R-r)*S(t)-D*S(q)+(B+(Y-B)*(i/25)); if(a){//drawoncetwopointsareset c.moveTo(a,b); c.lineTo(x,y) } c.strokeStyle="hsla("+(U%360)+",100%,50%,0.75)";//drawrainbowhypotrochoid c.stroke(); a=x;//setpreviouscoord.x b=y;//setpreviouscoord.y } U-=0.5;//incrementhue A=X;//setoriginalcoord.x B=Y;//setoriginalcoord.y },16); } j.onkeydown=function(e){a=b=0;R+=0.05} d.onmousemove({pageX:300,pageY:290}) } </script> </head> <body> <canvasid="c"></canvas> </body> </html> html代码（纯）
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