Dwitter - javascript demos in 140 characters

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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SockTaters

function u(t) {

eval(unescape(escape`堽❾✻琿潮捬楣欽欽㸨椽欮砯㡼欮礦縷ⱃℽ堿⡢孩崽䌬䌽堩㨨䌽扛楝Ɫ孩崽堩⤺戽嬮⸮堮牥灥慴⠶㐩崻景爨挮睩摴栽樽楮湥牗楤瑨㭪ⴭ㭢孪⬷㉝㵓瑲楮朮晲潭䍯摥偯楮琨㤸ㄲ⭪⤩砮晩汬呥硴⡢孪崬樥㠪㠬橼㜩`.replace(/u(..)/g,"$1%")))

Jun 22 2026 7:29 AM UTC

}// 139/140

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#interactive #chess (instructions in comments)

u/SockTaters

Set up the board by clicking any piece then click the square you want to move it to. The first piece must be clicked twice. Capturing pieces works similarly.

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lewdev

function u(t) {

eval(unescape(escape`󭽩󭍨󚍸󚝦󫽲󚍲󩝳󩝴󚍩󟜸󚜻󪜭󛜻󩭩󫍬󚌩󚝢󩝧󪝮󤍡󭍨󚍪󟝩󙜴󚜬󩝬󫍩󬍳󩜨󪜼󝌿󝼰󜌺󜜲󜬰󛍛󜬵󝜬󜼵󜌬󝌰󜌬󝌰󜍝󦽪󧜬󦼴󜌬󝼰󛌶󜌬󝼰󧝛󪭝󛍛󝬰󛌱󝼰󛌲󜌰󛌲󜬰󧝛󪭝󛌰󛌰󛌶󛬳󚜬󩭩󫍬󤽴󮝬󩜽󦼢󘽆󡭆󘬬󘬣󜼳󜼢󛌢󘼳󜽆󘬬󘬣󜼳󜼢󧝛󪭝`.replace(/u../g,'')))

Jun 22 2026 5:52 AM UTC

}// 133/140

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Kirby Eyes <(˶ᵔᵕᵔ˶)> (inspried by playing Forgotten Land w/daughter)

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taupelink

remix of d/35670 by u/taupelink

function u(t) {

a=z=>z*z*.28;f=u=>a(a(a(u%10-5)-3+i%3)-4-w);for(i=k=1e4;i--;x.fillRect(960+r*C(h=i/k*6.3),540+r*S(h),w=t/6,!(f(2*t)+f(t+h*9.55)&7)*w))r=60*t

Jun 22 2026 5:35 AM UTC

}// 140/140

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d/35678

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joeytwiddle

remix of d/3633 by u/joeytwiddle

function u(t) {

for(r=Math.random,w=200,i=4e3;i--;x.fillRect(520+400*m+a*C(p),i&1?575+w*m+(2-2*m)*a+a/5*S(p):275+S(p)*a,S(2/t),.1))a=w*r()**.4,p=w*r(),m=i&2

Jun 21 2026 10:05 AM UTC

}// 140/140

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Norma and Normman from "What is Normal?" https://youtu.be/Zz0Xcneakeg

u/joeytwiddle

The S(N/t) trick is new, to shrink the dots when enough time has passed

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taupelink

remix of d/35622 by u/taupelink

function u(t) {

eval(unescape(escape`愽砽㸨砪砭⸹ⵘ⼸〰⤪⨲⼨㌲⸵⭙⼸〩㭦㵵㴾愨愨愨甥㠭㐩ⴴ⤭㐩㭧㵮㴾昨堯温⭦⡙⼨湞㐩⤦ㄻ景爨椽ㅥ㐻椭⴦♴㰸㭸⹦楬汒散琨㈴〫㤪堬ㄸ〫㤪夬木ㄩⱧ⠵⤩⥘㵩⨪㌪琥ㄶ〬夽堪椥㠰`.replace(/u([^D].)/g,'$1%')))

Jun 21 2026 3:51 PM UTC

}// 132/140

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d/35672

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taupelink

remix of d/35666 by u/taupelink

function u(t) {

for(i=z=1080;i--;x.fillRect(480*t,i,9,z/=.7-C(i/r*3)/e))q=z%.4+.9,x.fillStyle=R(r=1+(z=z%2+z/3|0)*++z,r*q,r/q,.5),z+=5+7*C(i/r*2*C(e=z+t/z))

Jun 20 2026 4:37 PM UTC

}// 140/140

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d/35667

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rodrigo.siqueira

remix of d/35656 by u/rodrigo.siqueira

function u(t) {

for(X=Y=i=2e4;i--;x.fillRect(X*120+960,Y*140+540,t<2,.1))u=S(X)*3+.4,
r=(u*u+Y*Y)**.5,s=T(i*i/t)<0||-1,X=s*(r),
Y=s*(r-u)**.7*(Y<0?-1:1)

Jun 21 2026 2:22 AM UTC

}// 136/140

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#butterfly #attractor

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taupelink

remix of d/35664 by u/taupelink

function u(t) {

for(i=z=1080;i--;x.fillRect(480*t,i,9,z/=.8-S(i/r)/e))q=z%2,x.fillStyle=R(r=1+(z=z%4+z*.4|0)**3/8,r*q,r**q,.5),z+=3+3*C(i/r*C(e=++z+t/.7/z))

Jun 20 2026 12:10 AM UTC

}// 140/140

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d/35666

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taupelink

remix of d/35630 by u/taupelink

function u(t) {

for(i=z=1080;i--;x.fillRect(400*t,i,20,6))x.fillStyle=`hsl(${(z>>2)**(w=z&3)},${15+(z&=13)*5}%,${z=(w+=5-S(i**.3-(z+=6-C(w*t-z))))*z+w}%,.3`

Jun 21 2026 2:31 AM UTC

}// 140/140

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d/35669

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KilledByAPixel

remix of d/23099 by u/pavel

function u(t) {

eval(unescape(escape`󭽩󭍨󚍸󚝦󫽲󚍧󫍯󨭡󫍃󫽭󬍯󬽩󭍥󣽰󩝲󨝴󪝯󫬠󟜧󫍩󩽨󭍥󫬧󛍩󟜳󜌬󤼽󛝾󤼻󪜭󛜻󨭥󩽩󫭐󨝴󪌨󩭩󫍬󚌩󚜩󬼽󝜴󜌯󥍛󜭝󛍳󟬰󟽡󬭣󚌹󝬰󚽔󦼰󧜪󬼬󝜴󜌫󥍛󜝝󚭳󛍳󚬲󛌰󛌹󚜺󥌽󦼹󛌹󛌹󞝝󛍔󦽓󚬪󜬮󞜥󜽼󜍝󚼽󜝼󠼨󤼪󚬵󛬲󚜭󜜬󩭩󫍬󤽴󮝬󩜽󤬨󬼪󟜶󛍳󚬲󛍳󚜻`.replace(/u../g,'')))

Jun 19 2026 1:07 AM UTC

}// 140/140

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Pipes 3D 🔧

u/lewdev

Going back a few remixes is this gold: d/23087 It retains its shape with a moving camera without compression!
u/KilledByAPixel

every pavel is gold! the trick with this version is the occlusion.
u/lewdev

Yup, this remix chain is definitely one of great improvements and worth looking into.