Dweets awesomed by u/joeytwiddle

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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joeytwiddle

remix of d/33930 by u/joeytwiddle

function u(t) {

  for(c.width=800,X=Y=i=2e4;i--;x.fillRect(400+X*99,225+Y*99,2,2))j=i>>8,X=C(a=Y+j)+C(b=X+t+j*9),Y=S(a)+S(b),x.fillStyle=`hsl(${i},99%,50%)`

Jun 6 2025 4:34 PM UTC

}// 140/140

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Bubble universe colour redux (detailed)

u/cantelope

impressive

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joeytwiddle

remix of d/33917 by u/rodrigo.siqueira

function u(t) {

for(c.width=800,X=Y=i=2e3;i--;x.fillRect(400+X*99,225+Y*99,4,4))j=i>>7,X=C(a=Y+j)+C(b=X+t/6+j*9),Y=S(a)+S(b),x.fillStyle=`hsl(${i},99%,50%)`

Jun 6 2025 4:17 PM UTC

}// 140/140

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Bubble universe colour redux

u/joeytwiddle

This has fewer start points and slower motion than other bubble universes, so we can see how the galaxies transition
u/joeytwiddle

I golfed it down to 134: for(c.width=X=Y=i=850;i--;x.fillRect(425+X*99,240+Y*99,5,5))j=i>>6,X=C(a=Y+j)+C(b=X+t+j*9),Y=S(a)+S(b),x.fillStyle='hsl(${i},99%,50%)'

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joeytwiddle

function u(t) {

eval(unescape(escape`睩瑨⡸⥦潲⡷㵣⹷楤瑨簽椽〻椫⬼㤻晩汬⡡牣⡘ⱙⰹ⨨㤫椩ⰰⰷ⤩⥔㴴㠭匨㈪⡩⼳⵴⨲⤩⼲⭩ⱥ㴨ㄫ䌨㈪⡩⼳⵴⨲⤩⤪⨳⨹ⱘ㵷⼲⬹⩃⡔⼵⤪听夽㘲〭攫椪㈹Ɫ敧楮偡瑨⠩ⱦ楬汓瑹汥㵩┲㼧⍡愰✺✣㘲〧`.replace(/u([^D].)/g,'$1%')))

Jun 6 2025 3:50 PM UTC

}// 140/140

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A little murder #caterpillar I made for Nova party 2018

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dee-gomma

function u(t) {

with(x)for(c.width=w=384,n=94,t%=i=7;i++<n;fillStyle=R(w*S(i)))beginPath(b=i/n),arc(n+C(4*t+8*b)*i,n*t+w*b-w,(n-5*S(i))*S(3*b)*b,0,7),fill()

Jun 6 2025 9:47 AM UTC

}// 140/140

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Kind of #caterpillar #worm #snake #larva

u/joeytwiddle

Cute but I would not stroke it

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tomxor

remix of d/33915 by u/KilledByAPixel

function u(t) {

for(X=Y=i=3e4;i--;x.fillRect(~x.clearRect(960+240*X,540+240*Y,1,.3),i,2e3,!t||.04))j=i>>i/2e3,X=C(a=Y+j)+C(b=X+j*(t/999+9)),Y=S(a)+S(b)

Jun 5 2025 9:29 PM UTC

}// 135/140

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Evolving Bubble Universe

u/magna

So cool!
u/aaaaaz

#moon

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rodrigo.siqueira

remix of d/33908 by u/KilledByAPixel

function u(t) {

with(x)for(K=b=29;b--;fill())for(A=b%9*240,B=K*b,stroke(),beginPath(strokeStyle=R(A,B/2)),i=6;i--;lineWidth=6)arc(A,A,3*B,a=i*8.8+t-1/t,a)

Jun 5 2025 9:00 PM UTC

}// 138/140

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Star rotation

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rodrigo.siqueira

remix of d/33915 by u/KilledByAPixel

function u(t) {

eval(unescape(escape`𮀮𩡩𫁬𤡥𨱴𚀰𛀰𛀲𩐳𛀲𩐳𚐻𮀮𩱬𫱢𨑬𠑬𬁨𨐽𛠳𞱦𫱲𚁘👙👩🐱𩐴𞱩𛐭𞱸𛡦𪑬𫁒𩑣𭀨𞐶𜀫𦀪𜠰𜀬𝐴𜀫𦐪𜠰𜀬𜰬𜰩𚑪👩🠾𞀬𦀽𠰨𨐽𦐫𪠩𚱃𚁢👘𚱪𚠨𭀯𪠫𞐩𚐬𦐽𤰨𨐩𚱓𚁢𚐬𮀮𩡩𫁬𤱴𮑬𩐽𤠨𨐪𞀹𚱓𚁢𚱴𚐪𞀸𞀬𪠪𝐬𨐪𪐥𞐹)`.replace(/u../g,"")))

Jun 5 2025 1:10 PM UTC

}// 135/140

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Trying to add some colors to the Crystal Ball 🔮

u/cantelope

lolwut
u/alien

oh wow

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KilledByAPixel

remix of d/33910 by u/rodrigo.siqueira

function u(t) {

for(X=Y=i=1e4;i--;x.fillRect(i,~x.clearRect(960+X*250,540+Y*250,3,3),!t||.1,2e3))j=i>>8,X=C(a=Y+j)+C(b=X+j*(t/99+9)),Y=S(a)+S(b)

Jun 4 2025 7:33 PM UTC

}// 128/140

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Crystal Ball 🔮

u/KilledByAPixel

https://x.com/yuruyurau/status/1226846058728…
u/magna

WOW
u/cantelope

#unbelievable
u/joeytwiddle

123 chars if you are happy to do black-on-white

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384.cz

function u(t) {

h=_=>{for(l=i=m=10;l--;){for(x of _)m^=x.charCodeAt()**(++i%9);_+=S+m};return m}
throw h("Text to hash")

Jun 4 2025 5:32 PM UTC

}// 104/140

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Simple hash function

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rodrigo.siqueira

remix of d/33897 by u/alien

function u(t) {

x.fillRect(u=v=r=t/90-5,0,2e3,2e3)
for(i=90;i--;)for(j=90;j--;x.clearRect(980+u*140,540+v*140,2,2))u=C(P=i+v)+C(Q=r*i+u),v=S(P)+S(Q)

Jun 4 2025 1:29 PM UTC

}// 132/140

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Orb of Orbits

u/Axioplase

Incredible!

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