Rose

Rose original by Roman Cortes and optimised by zzllrr

Copy these code below and paste them to Widget(Html) on Option page

复制如下代码，粘贴到“选项”页中的“小部件”

For static rose 静态玫瑰

<canvas height=500 width=500></canvas><script>var b=document.body;var c=document.getElementsByTagName('canvas')[0];var a=c.getContext('2d'); with(m=Math)C=cos,S=sin,P=pow,R=random;c.width=c.height=f=500;h=-250;function p(a,b,c){if(c>60)return[S(a*7)*(13+5/(.2+P(b*4,4)))-S(b)*50,b*f+50,625+C(a*7)*(13+5/(.2+P(b*4,4)))+b*400,a*1-b/2,a];A=a*2-1;B=b*2-1;if(A*A+B*B<1){if(c>37){n=(j=c&1)?6:4;o=.5/(a+.01)+C(b*125)*3-a*300;w=b*h;return[o*C(n)+w*S(n)+j*610-390,o*S(n)-w*C(n)+550-j*350,1180+C(B+A)*99-j*300,.4-a*.1+P(1-B*B,-h*6)*.15-a*b*.4+C(a+b)/5+P(C((o*(a+1)+(B>0?w:-w))/25),30)*.1*(1-B*B),o/1e3+.7-o*w*3e-6]}if(c>32){c=c*1.16-.15;o=a*45-20;w=b*b*h;z=o*S(c)+w*C(c)+620;return[o*C(c)-w*S(c),28+C(B*.5)*99-b*b*b*60-z/2-h,z,(b*b*.3+P((1-(A*A)),7)*.15+.3)*b,b*.7]}o=A*(2-b)*(80-c*2);w=99-C(A)*120-C(b)*(-h-c*4.9)+C(P(1-b,7))*50+c*2;z=o*S(c)+w*C(c)+700;return[o*C(c)-w*S(c),B*99-C(P(b, 7))*50-c/3-z/1.35+450,z,(1-b/1.2)*.9+a*.1, P((1-b),20)/4+.05]}}setInterval('for(i=0;i<1e4;i++)if(s=p(R(),R(),i%46/.74)){z=s[2];x=~~(s[0]*f/z-h);y=~~(s[1]*f/z-h);if(!m[q=y*f+x]|m[q]>z)m[q]=z,a.fillStyle="rgb("+~(s[3]*h)+","+~(s[4]*h)+","+~(s[3]*s[3]*-80)+")",a.fillRect(x,y,1,1)}',0);</script>

For rotating rose 旋转玫瑰

<canvas height=256></canvas><script>var b=document.body;var c=document.getElementsByTagName('canvas')[0];var a=c.getContext('2d');with(m=Math)C=cos,S=sin,P=pow;O=a.getImageData(0,0,c.height=f=W=256,f);U=O.data;D={};F=[];function J(p){p[5]=Q=0;for(j=3;j--;)if(!D[Q=(p[j]>>=2)+Q*f])D[Q]=F.push(p)}setInterval(function(){for(i=1e3;i--;){c=i%42*1.35;H=T;T=m.random();A=H*2-1;B=T*2-1;J([S(H*7)*(o=13+5/(.2+P(T*4,4)))-T*50,T*550+500,(l=C(H*7))*o,(G=l/7+.5)-T/4,G]);if(A*A+B*B<1)if(c>32){J([(o=.5/(H+.01)-H*300)*C(n=(j=c&1)?6:4)+(w=T*-f)*S(n)+j*630-390,o*S(n)-w*C(n)+999-j*350,C(B+A)*99-j*50,(P(l=1-B*B,f*6)+C(H+T)+P(C((o*H+o+(B>0?w:-w))/25),30)*l-H+2)/5,o/1e3+.7-o*w/3e5]);J([(o=H*45-20)*C(l=c/.86)+(w=T*T)*f*S(l),C(B/2)*99-w*T*60+436,o*S(l)-w*f*C(l),w*.3+.3,T*.7])}else J([(o=A*(2-T)*(80-c*2))*C(c)-(w=99-C(A)*120-C(T)*(f-c*5)+C(P(1-T,7))*50+c*2)*S(c),(B*2-C(P(T,7))+9)*50,o*S(c)+w*C(c),1-T*.7,P(1-T,9)/4])}for(i=0;i<f*f;m[i++]=f)for(l=4;l--;)U[i*4+l]=255;for(c=C(W),s=S(W),j=F.length;j--;){k=F[j],x=k[0]*c+k[2]*s+99,z=k[0]*s-k[2]*c,y=k[1]-z*.4<<8;for(i=3;i--;)if(z<m[p=y-~x+[0,1,f][i]])for(m[p]=z,l=3;l--;)U[p*4+l]=k[l+3]*f}a.putImageData(O,0,0);W+=.03},T=0)</script>