JS1k: The JavaScript code golfing competition

e=atob('BTgONnYBOA82VhU1aBBWIjYEsBMiOwQAEyJQo7ECIhAjuwI1TjgwEjROOTESQ103MwFDPTczAVEvuFICUX8GuQIibThIEiINmEQScEw4OBJkYytwImQUrGEiZFwtUSJkDZxbIg==');T="j=l=¾;k=[Ïr=[Ïa.onmousemoveîjàXÓlàYÓïmîif(u%2)è>>4Óíè&15ÓïÔ0Þ<ÀÀ0Þ++)ræÍsin(x*.01À)Ónîh=¿Ì-v¼zÏz=¿]+v¼zÌ;uØÌ-h¼yÏvØ]+h¼yÌ;hÙÌ-u¼xÏwÙ]+u¼xÌ;û,y:h,z:w}Óïpîû+ßx,z:ßz+x,r:y,g:z,y:ßy+w}Ó}ü56ý'ô1ÊshadowÖ='red';Ò(i=Á;iÑÛ#000'ìf00÷ζςשДθ~个ㄩ'[1»1)],0,45Óf=ù0,À,À).data;Ò(y=À;yÑÔÀÞÑif(ã>Á)kçñáéáp(n(ñ)*-1,é)Óï}}sÐÀ;Õsæ{x:Çóy:Èóz:Írandom()*.8+.2}Óïô0;g=¾;setInterval(Aî_Ýj-ÇþÇ*40*1Ó$Ýl-ÈþÈ*½Óx=c.createRadialGradient(òÀ,òÇð2,'#eee'ð3Î5'Óx.addÖStop(01Î2')ÊÂ×=xìeee';i=À;Õüúý÷★',sÃ.x-_/(úásÃ.y-$/úÓïoÐk.length;Õf=n(kÃ.x,kÃ.y,kÃ.z,+Æ$*2+¾á+Æ110-_*3á0Óf.r=kÃ.r;f.g=kÃ.g;oæfÓïo.sort(hîÉßz-v.z;}ÓÕö'+Æ(-âz/¾+1)*([555,À0,8Á,999,140,151][âg])/4ê0)*2.5ê)*25)+',1øÇ*.6+âx,È*.¾+âyõõÓïi=¾;Õc.putËùÈ*.À-x*2+r[(g*Á+x)%¾]*Áä1á(r[x*Á+g*17]*(5+x/Á)áÿx+$/5Óïif(!--g)g=¾ö0Ú,0.50ø0,0+ÿ$/5äÈ*1Ó},25Ó";V="*m(|*r[|30|360|u¼z|76|20|fill|[x]|tion|½»|~~(|a.width|a.height|return |;c.|ImageData(|+90]|Math.|,'#11|];|=[Ïi=|--;){|for|);|Ò(x=|Ôi;xÑ|Color|Style|=w¼y|=z¼x|,0,0|ÊÂ×='|*.Á-|=Æ(|;x|u.|=(ßpage|),|oÃ.|f[(y*À+x)*4]|,Ç*1,|»8)-Å8á|.push(|æp(n(| É(e.charCodeAt(i*5+Æu/2))|Å5áÅ6áÅ7)á½*(1»2)-7á(1»4)-6)*Á,(1»3)-3)*Á,1»9á1»0)|)+','+Æ(-âz/¾+1)*([555,À0,8Á,999,140,151][âg]%10|ÊÂRect(|ë0,0äÈ*1)Û#|else|=funcÄ(u,v,w,x,y,z){|};|Óx.addÖStop(0.0|xåyåã/100*(1»9)+1|ÇÜ_,ÈÜ$,|*Írandom(á|ÊshadowBlur=|,(âr+1.0)*2|Ûrgba(|'ÊÂText('|)'ë|c.getË0,|(sÃ.z*8)|É({x:v|Êfont=|+'px x|*.5)/|È*.À+|".split("|");for(A=69;A--;)for(Q=99;Q--;)T=T.replace(String.fromCharCode(187+A),V[A]);eval(T);

ZT1hdG9iKCdCVGdPTm5ZQk9BODJWaFUxYUJCV0lqWUVzQk1pT3dRQUV5SlFvN0VDSWhBanV3STFUamd3RWpST09URVNRMTAzTXdGRFBUY3pBVkV2dUZJQ1VYOEd1UUlpYlRoSUVpSU5tRVFTY0V3NE9CSmtZeXR3SW1RVXJHRWlaRnd0VVNKa0RaeGJJZz09Jyk7VD0iaj1sPcK+O2s9W8OPcj1bw49hLm9ubW91c2Vtb3Zlw65qw6BYw5Nsw6BZw5PDr23DrmlmKHUlMinDqD4+NMOTw63DqCYxNcOTw6/DlDDDnjzDgMOAMMOeKyspcsOmw41zaW4oeCouMDHDgCnDk27Drmg9wr/DjC12wrx6w496PcK/XSt2wrx6w4w7dcOYw4wtaMK8ecOPdsOYXStowrx5w4w7aMOZw4wtdcK8eMOPd8OZXSt1wrx4w4w7w7sseTpoLHo6d33Dk8OvcMOuw7srw594LHo6w596K3gscjp5LGc6eix5OsOfeSt3fcOTfcO8NTbDvSfDtDHDinNoYWRvd8OWPSdyZWQnO8OSKGk9w4E7acORw5sjMDAwJ8OsZjAww7fOts+C16nQlM64fuS4quOEqSdbMcK7MSldLDAsNDXDk2Y9w7kwLMOALMOAKS5kYXRhO8OSKHk9w4A7ecORw5TDgMOew5FpZijDoz7DgSlrw6fDscOhw6nDoXAobijDsSkqLTEsw6kpw5PDr319c8OQw4A7w5Vzw6Z7eDrDh8OzeTrDiMOzejrDjXJhbmRvbSgpKi44Ky4yfcOTw6/DtDA7Zz3CvjtzZXRJbnRlcnZhbChBw65fw51qLcOHw77Dhyo0MCoxw5Mkw51sLcOIw77DiCrCvcOTeD1jLmNyZWF0ZVJhZGlhbEdyYWRpZW50KMOyw4Asw7LDh8OwMiwnI2VlZSfDsDPDjjUnw5N4LmFkZMOWU3RvcCgwMcOOMicpw4rDgsOXPXjDrGVlZSc7aT3DgDvDlcO8w7rDvcO34piFJyxzw4MueC1fLyjDusOhc8ODLnktJC/DusOTw69vw5BrLmxlbmd0aDvDlWY9bihrw4MueCxrw4MueSxrw4Mueiwrw4YkKjIrwr7DoSvDhjExMC1fKjPDoTDDk2Yucj1rw4MucjtmLmc9a8ODLmc7b8OmZsOTw69vLnNvcnQoaMOuw4nDn3otdi56O33Dk8OVw7YnK8OGKC3Donovwr4rMSkqKFs1NTUsw4AwLDjDgSw5OTksMTQwLDE1MV1bw6JnXSkvNMOqMCkqMi41w6opKjI1KSsnLDHDuMOHKi42K8OieCzDiCouwr4rw6J5w7XDtcOTw69pPcK+O8OVYy5wdXTDi8O5w4gqLsOALXgqMityWyhnKsOBK3gpJcK+XSrDgcOkMcOhKHJbeCrDgStnKjE3XSooNSt4L8OBKcOhw794KyQvNcOTw69pZighLS1nKWc9wr7DtjDDmiwwLjUww7gwLDArw78kLzXDpMOIKjHDk30sMjXDkyI7Vj0iKm0ofCpyW3wzMHwzNjB8dcK8enw3NnwyMHxmaWxsfFt4XXx0aW9ufMK9wrt8fn4ofGEud2lkdGh8YS5oZWlnaHR8cmV0dXJuIHw7Yy58SW1hZ2VEYXRhKHwrOTBdfE1hdGgufCwnIzExfF07fD1bw49pPXwtLTspe3xmb3J8KTt8w5IoeD18w5RpO3jDkXxDb2xvcnxTdHlsZXw9d8K8eXw9esK8eHwsMCwwfMOKw4LDlz0nfCouw4EtfD3Dhih8O3h8dS58PSjDn3BhZ2V8KSx8b8ODLnxmWyh5KsOAK3gpKjRdfCzDhyoxLHzCuzgpLcOFOMOhfC5wdXNoKHzDpnAobih8IMOJKGUuY2hhckNvZGVBdChpKjUrw4Z1LzIpKXzDhTXDocOFNsOhw4U3KcOhwr0qKDHCuzIpLTfDoSgxwrs0KS02KSrDgSwoMcK7MyktMykqw4EsMcK7OcOhMcK7MCl8KSsnLCcrw4YoLcOiei/CvisxKSooWzU1NSzDgDAsOMOBLDk5OSwxNDAsMTUxXVvDomddJTEwfMOKw4JSZWN0KHzDqzAsMMOkw4gqMSnDmyN8ZWxzZXw9ZnVuY8OEKHUsdix3LHgseSx6KXt8fTt8w5N4LmFkZMOWU3RvcCgwLjB8eMOlecOlw6MvMTAwKigxwrs5KSsxfMOHw5xfLMOIw5wkLHwqw41yYW5kb20ow6F8w4pzaGFkb3dCbHVyPXwsKMOicisxLjApKjJ8w5tyZ2JhKHwnw4rDglRleHQoJ3wpJ8OrfGMuZ2V0w4swLHwoc8ODLnoqOCl8w4koe3g6dnzDimZvbnQ9fCsncHggeHwqLjUpL3zDiCouw4ArfCIuc3BsaXQoInwiKTtmb3IoQT02OTtBLS07KWZvcihRPTk5O1EtLTspVD1ULnJlcGxhY2UoU3RyaW5nLmZyb21DaGFyQ29kZSgxODcrQSksVltBXSk7ZXZhbChUKTs=

e=atob('BTgONnYBOA82VhU1aBBWIjYEsBMiOwQAEyJQo7ECIhAjuwI1TjgwEjROOTESQ103MwFDPTczAVEvuFICUX8GuQIibThIEiINmEQScEw4OBJkYytwImQUrGEiZFwtUSJkDZxbIg=='); 
js1k = function(){
	j=l=360;
	k=[];
	r=[];
	a.onmousemove=function(u,v,w,x,y,z){
		j=(u.pageX);
		l=(u.pageY);
	};
	m=function(u,v,w,x,y,z){
		if(u%2) 
			return (e.charCodeAt(i*5+~~(u/2))>>4);
		else 
			return (e.charCodeAt(i*5+~~(u/2))&15);
	};
	for(x=0;x<76760;x++)
		r.push(Math.sin(x*.0176));
	n=function(u,v,w,x,y,z){
		h=u*r[z+90]-v*r[z];
		z=u*r[z]+v*r[z+90];
		u=w*r[y+90]-h*r[y];
		v=w*r[y]+h*r[y+90];
		h=z*r[x+90]-u*r[x];
		w=z*r[x]+u*r[x+90];
		return ({x:v,y:h,z:w});
	};
	p=function(u,v,w,x,y,z){
		return ({x:v+u.x,z:u.z+x,r:y,g:z,y:u.y+w});
	};
	c.font=56+'px x';
	c.shadowBlur=1;
	c.shadowColor='red';
	for(i=20;i--;){;
		c.fillStyle='#000';c.fillRect(0,0,a.width*1,a.height*1);
		c.fillStyle='#f00';
		c.fillText('ζςשДθ~个ㄩ'[1*m(1)],0,45);
		f=c.getImageData(0,0,76,76).data;
		for(y=76;y--;){
			for(x=76;x--;){
				if(f[(y*76+x)*4]>20)
					k.push(
						p(n(x*m(8)-30*m(8),y*m(8)-30*m(8),f[(y*76+x)*4]/100*(1*m(9)+1),		30*m(5),30*m(6),30*m(7)),
						30*(1*m(2)-7),(1*m(4)-6)*20,(1*m(3)-3)*20,1*m(9),1*m(0)),
						p(n(x*m(8)-30*m(8),y*m(8)-30*m(8),f[(y*76+x)*4]/100*(1*m(9)+1)*-1,	30*m(5),30*m(6),30*m(7)),
						30*(1*m(2)-7),(1*m(4)-6)*20,(1*m(3)-3)*20,1*m(9),1*m(0))
					);
			};
		}
	}
	
	s=[];
	i=76;for(x=i;x--;){
		s.push({
			x:a.width*Math.random(),
			y:a.height*Math.random(),
			z:Math.random()*.8+.2
		});
	};;
	c.shadowBlur=0;
	g=360;
	setInterval(A=function(u,v,w,x,y,z){
		_=~~((j-a.width*.5)/a.width*40*1);
		$=~~((l-a.height*.5)/a.height*30);
		
		x=c.createRadialGradient(
			a.width*.20-_,
			a.height*.20-$,
			76,
			a.width*.20-_,
			a.height*.20-$,
			a.width
		);
		x.addColorStop(0.02,'#eee');
		x.addColorStop(0.03,'#115');
		x.addColorStop(01,'#112');
		c.fillStyle=x;
		c.fillRect(0,0,a.width*1,a.height*1);
		
		c.fillStyle='#eee';
		i=76;for(x=i;x--;){;
			c.font=(s[x].z*8)+'px x';
			c.fillText('★',s[x].x-_/((s[x].z*8)),s[x].y-$/(s[x].z*8));
		};
		
		o=[];
		i=k.length;for(x=i;x--;){
			f=n(k[x].x,k[x].y,k[x].z,+~~($*2+360),+~~(110-_*3),0);
			f.r=k[x].r;
			f.g=k[x].g;
			o.push(f);
		};
		o.sort(h=function(u,v,w,x,y,z){
			return u.z-v.z;
		});
		
		for(x=i;x--;){;
			c.fillStyle='rgba('+
				~~((-o[x].z/360+1)*([555,760,820,999,140,151][o[x].g])/4)+','+
				~~((-o[x].z/360+1)*([555,760,820,999,140,151][o[x].g]%100)*2.5)+','+
				~~((-o[x].z/360+1)*([555,760,820,999,140,151][o[x].g]%10)*25)+
			',1)';
			c.fillRect(
				a.width*.6+o[x].x,
				a.height*.360+o[x].y,
				(o[x].r+1.0)*2,
				(o[x].r+1.0)*2
			);
		};
		
		i=360;for(x=i;x--;){
			c.putImageData(
				c.getImageData(
					0,
					a.height*.76-x*2+r[(g*20+x)%360]*20,
					a.width*1,
					1
				),
				(r[x*20+g*17]*(5+x/20)),
				a.height*.76+x+$/5
			);
		};
		if(!--g)
			g=360;
		
		c.fillStyle='rgba(0,0,0,0.50)';
		c.fillRect(0,0+a.height*.76+$/5,
			a.width*1,
			a.height*1
		);
		
	},25);
	
};

js1k();