Top dweets of all time

function u(t) {

c.width=1920 // clear the canvas
for(i=0;i<9;i++)
x.fillRect(400+i*100+S(t)*300,400,50,200) // draw 50x200 rects

} // 122/140

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    u(t) is called 60 times per second.
    t: Elapsed time in seconds.
    S: Shorthand for Math.sin.
    C: Shorthand for Math.cos.
    T: Shorthand for Math.tan.
    R: Function that generates rgba-strings, usage ex.: R(255, 255, 255, 0.5)
    c: A 1920x1080 canvas.
    x: A 2D context for that canvas.

Try the new frontend: beta.dwitter.net
Current theme challenge: #Food

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gullyngames

function u(t) {

c.width=800;x.beginPath();for(i=0;i<50;){a=S(i+t)*100+400,b=C(i+t)*100*C(i++)+300;x.lineTo(a,b);x.fillRect(a,b,2,2);}x.stroke();

Jul 8 2020 11:05 PM UTC

}// 129/140

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u/electric-skeptic

a bit golfed: c.width=800;for(i=0;i<50;)x.lineTo(a=S(i+t)*100+400,b=C(t+i)*C(i++)*100+300),x.fillRect(a,b,1,1),x.stroke()

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btc@codebro.com

function u(t) {

for(c.width|=X=i=0;i++<2e2;x.font="5em'",x.fillText((z=i%4)?'':'happy birthday!',z?2e3*S(i):915+905*X,555+485*Y))Y=X,X=S(X+S(i)*(1e9+t/2))

Jul 7 2020 2:55 AM UTC

}// 138/140

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taupelink

remix of d/19320 by u/taupelink

function u(t) {

f=(X,Y,s,r)=>{if(s>2)f(X+2*s*C(r),Y-s*S(r),s*s/400,r+3*S(2*r)-5*C(3*r))
else x.fillRect(X,Y,r%.5,r%4)}
for(i=1e5;i-=100;)f(960,540,250,t*i)

Jul 5 2020 9:05 PM UTC

}// 139/140

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d/19327

u/taupelink

another squiggly remix of d/19295

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katkip

function u(t) {

f=(X,Y,s,r)=>{if(s>.3)f(X+s*S(r%2?r:-r),Y+s*C(r%2?r:-r),s/2,r*4)
else x.fillRect(X,Y,1,1)}
for(i=9999;i--;)f(960,540,666,t*i)

Jul 1 2020 11:15 AM UTC

}// 125/140

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#fractal

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geb

remix of d/14331 by u/pavel

function u(t) {

r=(t&&2+r)**.5;throw p=t?2*p/r:4

Jun 28 2020 7:12 PM UTC

}// 32/140

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happy τ day

u/DaSpider

Nice continued fraction! I would spend 4 characters more to have it displayed correctly, though. r=(t&&2+r)**.5;throw(p=t?2*p/r:4)/2

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geb

remix of d/14655 by u/taupelink

function u(t) {

t||(a=[[]],r=k=0)
a[r][k]=k%r?((a[r-1][k-1]+a[r-1][k])%2):1
r<17&&x.fillRect(930-60*r+120*k,60*r+60, a[r][k]*59,59)
++k>r&&(a[++r]=[],k=0)

Jun 28 2020 12:24 PM UTC

}// 138/140

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pascals triangle modulo 2 #sierpinski

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katkip

function u(t) {

t||x.translate(960,540)
x.fillStyle=`hsla(${100/t},99%,60%)`
x.fillRect(0,0,-300/t,200/t)
x.drawImage(c,-100,0,750,550),x.rotate(3.14)

Jun 26 2020 8:00 AM UTC

}// 134/140

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katkip

function u(t) {

STRING = "iwDetti rg saert!"
x.font='12em"'
x.fillText(q=STRING.replace(/(.)(.)(.)/g,'$3$2$1'),9,540)
throw q

Jun 25 2020 7:48 PM UTC

}// 109/140

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#cipher, #tool; encode and decode text by changing the STRING var

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Xen

remix of d/18555 by u/myro

function u(t) {

for(w=r=1888;r--;x.fillRect(w/2+u,w/4+v,r/6,r/6))u=r*C(a=r-t*w%w),v=r*S(a),x.fillStyle=`hsl(${a*t},69%,50%,.1)`

Jun 25 2020 5:00 PM UTC

}// 111/140

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-Enjoy The Trip-

u/Xen

are you to watch for the entire length of any EDM track (Bassline/Dubstep/DnB)
u/Xen

#hypno #xweet #rainbow #waitforit

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Irratix

function u(t) {

rowAmt = 10
c=(n,k)=>k?n*c(n-1,k-1)/k:1
if(t){n=[];for(i=-1;i++<rowAmt;n[i].push("\n"))for(n[i]=[],j=-1;j++-i;n[i][j]=c(i,j)+" ");throw(n)}

Jun 23 2020 8:49 PM UTC

}// 139/140

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Pascal's Triangle. Could easily be shorter (probably)

u/Irratix

Still had a lot of room left, so I made an easily visible rowAmt variable for you to tweak :D
u/tomxor

I used this same little function recently for the intensities in simulated NMR multiplets. Pretty sure this is the shortest math.