JS1k: The JavaScript code golfing competition

_='c.width=c.height=r=1E3;ts=[Vi19>i;iZs[i]=[+*i,475+175,0V setInterval(function(d,e,b){t++;g=Y4.7l=Y3.2m=*sin(3.2n=-l;o=-m;a(D0"+g+"%,.5)";
0,0,r,r);^b<r;bKzr;jKj>700+125*b-01N-G	:j>X0+Y~0N+Gkj>300+Y5*~5* g)Gkx*x+pW*p?L80HbJU2*QJ+75UQJ+1):Xl#*l#+m-W*m-?kXn#*n#+o-W*o-&&90	;^19>b;bZ{if((2]+= )>33+)2]z2VjZC,!(j%)&&X0>P&&(C);d=0Ve=1Vvar f=b;(099_;C121Q)$), e;BX-D*f)%D0G$30+F$-F+-F_-+F_}^b<t;bKb>t-?@L60:b>t-?@L:@Hb,8+b)O355, ,)O2A3A4A5A6A3`4`5`4D},);
TRect(*cos("hsl,,)3Q),80%,0Os[b][	Hb,j)(BN|+"0,r-Math.H0]+W,P50*Q+;1050(D**random()*Q?(B%)"25for(=0;1*>sqrt(;
d+YfTStyle=+W)#-b)$,e-@"hsl(0A4B("+(C(0D20Fm/5G+"H,
J%r,jK+=)L,%,N+bO;
r-P1]-*jQt)Ta.fillU,
(b+V];Wj)X40YZ++)^b_$D`3k	:p(-3*x(t%r#zjj<~b050.';for(Y in $='~zxpk`_^ZYXWVUTQPONLKJHGFDCBA@$#	
')with(_.split($[Y]))_=join(pop());eval(_)

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

c.width=c.height=r=1e3;t=0;
s=[];//bamboo
for(i=0;i<19;i++){
  s[i]=[Math.random()*50+i*50,475+Math.random()*175,0];
}
setInterval(function(x,y,i){
  t++;
  g=Math.cos(4.75+t*.025)*25+25;// we use a different sync for bg color
  l=Math.cos(3.25+t*.025)*25+25;// l:0 => midnight // l:50 => noon
  m=Math.sin(3.25+t*.025)*25+25;// l:50 => midnight // l:0 => noon
  n=50-l;     // l:0 => midnight // l:50 => noon
  o=50-m;     // l:50 => midnight // l:0 => noon
  a.fillStyle='hsla(200,80%,'+g+'%,.5)';
  a.fillRect(0,0,r,r);
  for(i=0;i<r;i+=10){
    for(j=0;j<r;j+=10){
      if(j>700+12*Math.cos(i*5-t*.01)){                            // brown cave
        a.fillStyle='hsl('+(25+10*Math.cos(i-j))+',80%,25%)';
        a.fillRect(i,j,10,10)
      }else if(j>400+25*Math.cos(i+t*.05)){                        // green herb
        a.fillStyle='hsl('+(100+10*Math.cos(i+j))+',80%,50%)';
        a.fillRect(i,j,10,10)
      }else if(j>300+25*Math.cos(i*5+t*.05)){                      // red mountain
        a.fillStyle='hsl('+(25+.5*g)+',80%,50%)';
        a.fillRect(i,j,10,10)
      }else if(Math.sqrt((t%r-i)*(t%r-i)+(50-j*3)*(50-j*3))<50){ // greyish clouds
        a.fillStyle='hsl('+(50+10*Math.cos(i|j))+',50%,80%)';
        a.fillRect(i%r,j,10,10);
        a.fillRect((i+2*t)%r,j+75,10,10);
        a.fillRect((i+t)%r,j+150,10,10)
      }else if(Math.sqrt((l*20-i)*(l*20-i)+(m*20-j)*(m*20-j))<40){ // yellow sun
        a.fillStyle='hsl('+(50+10*Math.cos(i|j))+',80%,50%)';
        a.fillRect(i,j,10,10)
      }else if(Math.sqrt((n*20-i)*(n*20-i)+(o*20-j)*(o*20-j))<40){ // white moon
        a.fillStyle='hsl('+(50+10*Math.cos(i|j))+',80%,90%)';
        a.fillRect(i,j,10,10)
      }
    }
  }
  for(i=0;i<19;i++){ // bamboo
    if((s[i][2]+=.25)>33+Math.random()*50)s[i][2]=0;
    for(j=0;j<s[i][2];j++){
      a.fillStyle='hsl(100,80%,50%)';
      a.fillRect(s[i][0]+10*Math.cos(j*.1),s[i][1]-j*10,10,10);
      if(!(j%10)&&s[i][1]-j*10<400){ // Green dots
        a.fillStyle='hsl(100,80%,25%)';
        a.fillRect(s[i][0]+10*Math.cos(j*.1),s[i][1]-j*10,10,10);
      }
    }
    z(s[i][0],s[i][1],i);
  }
  w(850);v();
},25);
function z(x,y,i){
    //white
    a.fillStyle='hsl(0,80%,99%)';
    a.fillRect(x+Math.cos(i+.3*Math.cos(t*.1))*25,y-20,10,10);
    
    //trunk
    a.fillStyle='hsl(100,80%,12%)';
    a.fillRect(x+Math.cos(i+.1*Math.cos(t*.1))*25,y-10,10,10);
    a.fillRect(x+Math.cos(i)*25,y,10,10);
    
    //petals
    a.fillStyle='hsl('+(40-i*20)%200+',80%,50%)';
    a.fillRect(x+Math.cos(i+.3*Math.cos(t*.1))*25,y-30+m/5,10,10);
    a.fillRect(x+Math.cos(i+.3*Math.cos(t*.1))*25,y-10-m/5,10,10);
    a.fillRect(x+Math.cos(i+.3*Math.cos(t*.1))*25+10-m/5,y-20,10,10);
    a.fillRect(x+Math.cos(i+.3*Math.cos(t*.1))*25-10+m/5,y-20,10,10);
}
function w(x,y,i){
  for(i=0;i<t;i+=10) {
    if(i>t-10){
      a.fillStyle='hsl(0,50%,60%)';//worm
    }else if(i>t-50) {
      a.fillStyle='hsl(0,50%,50%)';//worm
    }else {
      a.fillStyle='hsl(0,80%,10%)';//hole
    }
    a.fillRect(i,x+Math.cos(i*.1)*10,10,10);
  }
}
function v(x,y,z){ // heart
  a.fillRect(r-30,r-50,10,10);
  a.fillRect(r-50,r-50,10,10);
  
  a.fillRect(r-20,r-40,10,10);
  a.fillRect(r-30,r-40,10,10);
  a.fillRect(r-40,r-40,10,10);
  a.fillRect(r-50,r-40,10,10);
  a.fillRect(r-60,r-40,10,10);
  
  a.fillRect(r-30,r-30,10,10);
  a.fillRect(r-40,r-30,10,10);
  a.fillRect(r-50,r-30,10,10);
  
  a.fillRect(r-40,r-20,10,10);
}