玫瑰花JS脚本
1 <!DOCTYPE html> 2 <html lang="zh-cn"> 3 <head> 4 <meta charset="utf-8"/> 5 <title>玫瑰js脚本</title> 6 <script type="text/javascript"></script> 7 </head> 8 <body> 9 <div id="cnblogs_post_body"> 10 <p style="text-align: center;"> 11 <iframe src="javascript:'<!doctype html>\n<html>\n\t<head>\n\t\t<title>JS1k, 1k demo submission [1022]</title> 12 \n\t\t<meta charset="utf-8" />\n\t</head>\n\t<body>\n\t\t<canvas id="c"></canvas>\n\t\t<script> 13 \n\t\t\tvar b = document.body;\n\t\t\tvar c = document.getElementsByTagName(\'canvas\')[0];\n\t\t\tvar a = c.getContext(\'2d\'); 14 \n\t\t\tdocument.body.clientWidth; // fix bug in webkit: http://qfox.nl/weblog/218\n\t\t</script>\n\t\t<script> 15 \n// start of submission //\nwith(m=Math)C=cos,S=sin,P=pow,R=random;c.width=c.height=f=500;h=-250; 16 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]; 17 A=a*2-1;B=b*2-1;if(A*A+B*B<1){if(c>37){n=(j=c&1)%3F6:4;o=.5/(a+.01)+C(b*125)*3-a*300; 18 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%3Fw:-w))/25),30)*.1*(1-B*B),o/1e3+.7-o*w*3e-6]} 19 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); 20 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]}} 21 setInterval(\'for(i=0;i<1e4;i++)if(s=p(R(),R(),i%2546/.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=" 22 rgb("+~(s[3]*h)+","+~(s[4]*h)+","+~(s[3]*s[3]*-80)+")",a.fillRect(x,y,1,1)}\',0)\n// end of submission //\n\t\t</script>\n\t</body>\n</html>'" frameborder="0" scrolling="no" width="600px" height="520px"> 23 </iframe> 24 </p> 25 </div> 26 </body> 27 </html>
运行效果：
