Random dweets | Dwitter

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.

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yonatan

function u(t) {

c.innerHTML=`<svg><filter id=f><feTurbulence baseFrequency=.01 /><feDisplacementMap scale=${t*99}>`;x.filter="url(#f)";x.fillRect(0,0,0,1)

Oct 26 2018 12:11 PM UTC

}// 138/140

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brighter on firefox

u/joeytwiddle

dude... #plasma #oil #oil_spill
u/Xen

i'm stealing this dweet and having it as an animated desktop background :-P
u/tomxor

Nice. Ahh svg filters... I have good memories, but then they were all destroyed by browser regressions.

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metamero

function u(t) {

eval(unescape(escape`景爨稽㜲Ᵽ⹷楤瑨簽欽〻欼㈵㔻欫⬩漽⡲ⱳⱡ⤽㹸⹲散琨爬猬愬愩Ⱪ㵫☱㔬樽款㸴ⱪ☽ㄵⱰ㴴㈰⭺⩩ⱱ㵺⩪Ⱪ㰱㔿⠨椫権┲㼰㩯⡰ⱱⱺ⤬漨瀫⡫┲㼴㠺㐩ⱱ⬨欦㈿㐸㨴⤬㈰⤩㨰㭸⹦楬氨❥癥湯摤✩`.replace(/u(..)/g,"$1%")))

Nov 30 2018 5:59 PM UTC

}// 134/140

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#OpticalIllusion

u/katkip

#illusion cool
u/metamero

for(z=72,c.width|=k=0;k<255;k++)o=(r,s,a)=>x.rect(r,s,a,a),i=k&15,j=k>>4,j&=15,p=420+z*i,q=z*j,i<15?((i+j)%2?0:o(p,q,z),o(p+(k%2?48:4),q+(k&2?48:4),20)):0;x.fill('evenodd')
u/ceaga

kanji chester!

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rodrigo.siqueira

remix of d/27286 by u/rodrigo.siqueira

function u(t) {

for(v=360;v--;)for(a=b=0,i=9;i--;x.fillStyle=R(a/b*v,b*a))f=a*b,a=a*a-b*b-3+t/5,b=2*S(f)+v/90-2.01,x.fillRect(t*80,3*v,b,b)

Mar 29 2023 12:30 PM UTC

}// 123/140

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Neuro-vascular structure of the Mandelbrot Set #fractal #mandelbrot

u/jdspugh

Wow
u/cantelope

Wild!

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robbyg

remix of d/21608 by u/DataMeta

function u(t) {

x.fillRect(a=0,0,z=2e3,z);for(i=w=1e3;i>w/3;a=w/--i)x.clearRect(960+w*S(a*z+t/9),1080*(i+a*t/3)%z,a*3,a*3)

Feb 8 2021 3:59 PM UTC

}// 106/140

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We've had a lot more #snow than stars around here lately.

u/DataMeta

Nice :) I believe this is the shortest dweet of snowfall, well done!
u/danny@hille.dk

not pretty but 90 b =>for(x.fillRect(a=0,0,z=2e3,i=w=1e3);i>w/9;)x.clearRect(2*w*S(--i+t/9),1e3*(a+t)%z,a=w/i,a)

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rodrigo.siqueira

remix of d/33275 by u/rodrigo.siqueira

function u(t) {

for(N=i=2e4;i--;x.fillRect(960+X*320/Z,540+Y*320/Z,w=.5+T(3*X^Y*3)%1,w*(t<2)))X=(S(i*N)*N+S(t*i*i)*2)%9,Y=(i*N/t)%10-5,Z=3-8/(3+X*X+Y*Y)

Feb 10 2025 2:23 AM UTC

}// 136/140

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Pixelated Distortion

u/joeytwiddle

#stochastic

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mxfh

remix of d/23489 by u/mxfh

function u(t) {

for(d=new ImageData(c.width=w=710,h=452),m=w*h;A=m/2%w/h,B=m/6*w+t,m--;)
d.data.set([C=(S(A*B+t*5)+S(t))*h,,-C,h],m*4)
x.putImageData(d,0,0)

Aug 6 2021 7:22 PM UTC

}// 140/140

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weird what that single factor can do.

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cantelope

function u(t) {

eval(unescape(escape`𩡯𬠨𨰮𭱩𩁴𪁼👪🐳𞀻𪠭🐲𞰩𩡯𬠨𭰽𪐽𜐱𞀻𪐭🐲𞱸𛡢𩑧𪑮𤁡𭁨𚁸𛡳𭁲𫱫𩐨𚐩𚑛𩀽𚁶👩𙐴𚐿𪠺𪐬𩀫𜡝𛡭𨑰𚁫🐾𮀮𫁩𫡥𥁯𚀹𝠰𚱓𚁰🐨𭠿𪐺𪰩𛰹𛠲𜰫𭀩𚠨𩠽𭠿𪰺𪠫𭀪𞐥𜠩𛰨𦠽𭰫𠰨𬀩𚡦𚠳𚐪𜡥𜰬𚀵𞀭𩠩𚠪𜰯𦠭𭰬𮀮𫁩𫡥𥱩𩁴𪀽𝐱𜠯𦠩𚐻`.replace(/u../g,'')))

Apr 4 2020 10:31 AM UTC

}// 140/140

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#vortex #d3

u/rodrigo.siqueira

#spacetime

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tomxor

remix of d/35077 by u/tomxor

function u(t) {

eval(unescape(escape`𩠽𚁳𛁩𚐽🡸𛡦𪑬𫁒𩑣𭀨𦀫𚁪👩🠾𜐩𛁙𚱪𛁗𛑩𛁈𛑩𛁸𛡦𪑬𫁓𭁹𫁥🐧𘰧𚱳𚱳𚱳𚐬𭀿𩀽𭀼🀴𞡣𛡷𪑤𭁨🐴𞀰𛁛𛠮𛠧𜁢𝱦𨠧𧐮𫑡𬀨𩠬𥰽𜠴𜀬𢀽𜐲𜀬𦀽𚁈𚱤𚐥𥰬𦐽𚀸𜀫𩀩𙑈𚐬𩠨𭀥𜐾𛠹🰸𞠴𛀶𛁈🐲𝀩𛁛𛠮𛠧𜁦𝱢𙱝𛡭𨑰𚁦𛁘𚰽𥰽𞀰𛁙𚰽𥰩`.replace(/u../g,'')))

Mar 17 2026 6:44 AM UTC

}// 139/140

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#win95 #dialog infinite loop

u/ximavus

#lag
u/magna

NOOOO

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Xen

remix of d/21378 by u/Pascal

function u(t) {

for(c.width=444,f=i=t|0;i--;)f=1+1/f
for(x.fillText(f,76,i=239),p=129;i--;x.fillRect(p-p*d*C(a=2*Math.PI*f*i),99-p*d*S(a),2,2))d=(i/399)**.5

Jan 23 2021 3:08 PM UTC

}// 140/140

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golfed to fit

u/Pascal

nice
u/danny@hille.dk

Nice
u/Xen

i can golf but not code lol
u/ciaccodavide

Nice!

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joeytwiddle

remix of d/35276 by u/NiVZ

function u(t) {

f=['🍟','🍔'],k=t%1,t+=999
x.font=`${99+99*k}px Arial`
x.fillText(f[t&1],t*t%1920,t**3%1080)

Apr 24 2026 11:13 PM UTC

}// 90/140

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When you're starting a healthy diet ... next week