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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danny@hille.dk

remix of d/19217 by u/bandaloo

function u(t) {

for(i=540;i;x.fillStyle=`hsl(${i*C(t/i--)},99%,${88*(T(S(t*C(t/9)+C(t-i/33))))}%`)x.fillRect(1912,i,8,i<<1);x.drawImage(c,-8,0)

Jul 13 2020 6:28 PM UTC

}// 127/140

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rainbow squiggles

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danny@hille.dk

remix of d/19377 by u/danny@hille.dk

function u(t) {

for(j=36;j--;)for(i=64;i--;)k=255,m=30,x.fillStyle=R(255-i*8,i*4,((i+S(t/9)*k+k)|(S(t)*i+j+C(t/8)*k+k))%k),x.fillRect(i*m,j*m,m,m)

Jul 12 2020 11:49 AM UTC

}// 130/140

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pow(2) - 1 ~ sierpinski triangle, now it might not be news you, but it kinda blew my mind!

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Xen

remix of d/19364 by u/Xen

function u(t) {

throw t?(c=a+b,a=b,b=c):a=b=1

Jul 10 2020 4:54 PM UTC

}// 29/140

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29byte quick play, could be lower

u/CaptainMeat

how does any of this work
u/pavel

throw[a,b]=t?[b,a+b]:[1,1] is shorter and easier to read but throws both numbers :/
u/Xen

nice! 26bytes!

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GreenBeans

function u(t) {

x.fillRect(0,0,2e3,2e3)
x.fillStyle=R(0,0,0,.04)
for(i=1;i<999;i++){x.clearRect(950+i*C(i),550+i*C(i-t),9,9)}

Jul 9 2020 6:10 PM UTC

}// 109/140

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b e a n s :D

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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