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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taupelink

remix of d/35692 by u/taupelink

function u(t) {

for(i=z=3240;i--;x.fillRect(240*t,i/3,4,-3))x.fillStyle=R(r=264-(z=9+7*C((z^i/z/4)/8))*z*2,r,r),z+=9+6*C(z*C(e=z+t/z*4)+i/r),z/=1-S(i/r/e)/e

Jun 26 2026 2:10 AM UTC

}// 140/140

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d/35696

u/SockTaters

the remix chain reads like a timeline of a city that ends in disaster
u/taupelink

Hah--it's not deliberate!
u/tomxor

To me it look like a rough sea with a bunch of frozen mountainous on the horizon, Greenland maybe.

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taupelink

remix of d/35676 by u/taupelink

function u(t) {

for(i=z=1080;i--;x.fillRect(t*320,i,z/=.8+S(i/r)/e,3))x.fillStyle=R(r=264-(z=8-8*S((5*z^i/9)/9|0))**3/9,r,r,.5),z+=9+7*S(i**.2-C(e=z+t*z/9))

Jun 25 2026 5:31 PM UTC

}// 140/140

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d/35692

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LiLa2365

function u(t) {

x.fillStyle=`hsl{$10*t} 20%12%`
x.fillRect(t%1.3*200-12,321+32*C(12*t),102,13)
x.fillRect(t%2*3-1,3+5*C(9*t),66,12)

Jun 26 2026 12:23 PM UTC

}// 115/140

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u/SockTaters

welcome to dwitter!

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KilledByAPixel

remix of d/35673 by u/KilledByAPixel

function u(t) {

eval(unescape(escape`󣼽󦽩󟜱󩜴󧜊󩭯󬬨󨼮󭽩󩍴󪍼󟝁󟝛󛝩󛌹󛌹󧜻󪜭󛜻󣽛󪝝󟝛󛬮󛭁󧜩󠝛󚍪󟝴󚽩󛼴󜭼󜌩󚬪󝼥󜽝󚼽󠼨󪬪󚬵󚜊󩭯󬬨󦽚󛍘󛍙󧝯󩬠󣼮󬽯󬭴󚌩󚝚󚼽󜝥󝌬󮌮󩭩󫍬󤽴󮝬󩜽󨍨󬽬󚌤󮽚󚬲󯜠󝜰󙜤󮽚󛼲󯜥󨌬󦬽󝜴󜌯󦬬󦬾󜌦󙭸󛭦󪝬󫍒󩝣󭌨󞜶󜌫󦌪󦬬󝜴󜌫󦜪󦬬󦬪󟜶󛍚󚜻`.replace(/u../g,'')))

Jun 23 2026 7:33 PM UTC

}// 140/140

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Pipe Dream 😴

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rodrigo.siqueira

remix of d/35686 by u/rodrigo.siqueira

function u(t) {

for(X=Y=i=3e4;i--;x.fillRect(X*230+790,Y*105+11,t<2,.1))u=X*2-3,r=(u*u+Y*Y)**.5,s=T(i*i/t)<.9||-1,X=s*(r+u)/3+S(X),Y=s*(r-u)**.7*(Y<0||-1)

Jun 25 2026 7:05 PM UTC

}// 138/140

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Flea

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mark1626

remix of d/35687 by u/taupelink

function u(t) {

a=z=>(z*z)**(.4+i%8%29/19);f=u=>a(a(u%8-4)-4-w);for(i=k=1e4;i--;x.fillRect(960+r*C(h=i/k*6.3),540+r*S(h),w=t/8,!(f(5*t)+f(h*14)&7)*w))r=80*t

Jun 25 2026 6:50 AM UTC

}// 140/140

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taupelink

remix of d/35670 by u/taupelink

function u(t) {

a=z=>(z*z)**(.4+i%8%3/5);f=u=>a(a(u%8-4)-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(5*t)+f(t+h*14)&7)*w))r=80*t

Jun 23 2026 11:12 PM UTC

}// 140/140

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d/35687

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mark1626

remix of d/35689 by u/mark1626

function u(t) {

a=z=>(z*z)**(i%8&113);f=u=>a(a(u%4-2)-4-w);for(i=k=1e4;i--;x.fillRect(960+r*C(h=i/k*6.3),540+r*S(h),w=t/8,!(f(.75*t)+f(h*4)&7)*w))r=1e2*t

Jun 25 2026 7:03 AM UTC

}// 137/140

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taupelink

remix of d/35669 by u/taupelink

function u(t) {

for(i=z=4e3;i--;x.fillRect(i/2,270*t,w,z/2))x.fillStyle=`hsl(${6**(w=z&3)},${(z&=15)*6}%,${z=(w+=2+t/9-C(i**.35+C(z+=9-7*C(t-z))*w))*z}%,.4`

Jun 23 2026 4:22 AM UTC

}// 140/140

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d/35684 Inspired by the Abstract Expressionists

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rodrigo.siqueira

remix of d/35656 by u/rodrigo.siqueira

function u(t) {

for(X=Y=i=4e4;i--;x.fillRect(Y*730+960,X*1200,t<3,.1))r=(X*X+Y*Y)**.5-X,s=T(i*i/t)<2.3||-1,X=s*(r+X*2)/3+S(X)**3*1.2,Y=s*r**.6*(Y<0||-1)

Jun 24 2026 1:13 PM UTC

}// 136/140

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Cthulhu spiral