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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Current theme challenge: #Food

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pavel

function u(t) {

eval(unescape(escape`𩡯𬠨𨰮𭱩𩁴𪁼👩🐳𝠻𪐭𛐻𮀮𩡩𫁬𤡥𨱴𚀭𞐹𛀰𛀱𞐸𛀱𞐸𚐩𪰽𚁩🠾𜐩𛐸𛑴𙐱𛁢👃𚁁👍𨑴𪀮𤁉𚠨𪐭𜐯𝀫𜐯𚀱𚰱𩐴𚠪𪰩𚐩𛁸𛡦𪑬𫁓𭁹𫁥👩𙐲🰧𘱄𡁄𙰺𙰣𝠶𝠧𛁸𛡳𩑴𥁲𨑮𬱦𫱲𫐨𨐽𤰨𠐩𛁢𛰲𛀭𨠬𨐯𜠬𞐶𜀫𪰪𜐳𜠬𝐴𜀭𪰪𝠶𛐱𞐸𛰨𜐫𪰪𚠴𚐩`.replace(/u../g,'')))

Jul 9 2019 4:35 AM UTC

}// 140/140

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The fit (https://www.reddit.com/r/perfectloops/commen…)

u/pavel

Simplified. Seems too hard to fit even into 194 chars.
u/pavel

194 for(c.width|=i=36;i--;x.fillRect(-99,0,198,198))k=(i>>1)-8-t%1,b=C(A=Math.PI*(i-1/4+1/(1+1e4**k))),x.fillStyle=i%2?'#DDD':'#666',x.setTransform(a=S(A),b/2,-b,a/2,960+k*132,540-k*66-198/(1+k**4))
u/aleamb

love it!
u/katkip

Love it too

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Agnes

function u(t) {

for(c.width|=i=9,f=t>1.4,x.scale(m=100,m);i--;)with(x)fillRect(e=4+i+S(f?1.4:t)*3,4,.5,2),font=i+'px A',fillText(f?"ゴ":'',e,6+i)

Mar 5 2018 2:26 PM UTC

}// 128/140

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The joke was going to be that everything turned sepia (#7F462C) after it stops but I couldn't find any way to get that below 152 characters. I'd be really impressed if someone found a way.

u/katkip

#jojo

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KilledByAPixel

function u(t) {

eval(unescape(escape`󭽩󭍨󚍸󚝦󫽲󚍩󟝣󛭷󪝤󭍨󯌽󨼮󬽴󮝬󩜮󩭩󫍴󩝲󟜧󪝮󭭥󬭴󚌧󛍴󩝸󭍁󫍩󩽮󟜧󨽥󫭴󩝲󙼬󩽬󫽢󨝬󠽯󫝰󫽳󪝴󩝏󬍥󬭡󭍩󫽮󟜧󮍯󬬧󛍦󫽮󭌽󙼸󝝥󫜠󪝭󬍡󨽴󙼻󪜭󛜻󩭩󫍬󥍥󮍴󚌧󢽔󤭁󤽐󜜳󙽛󪜥󞍝󛌨󪜭󜼭󭌩󚬵󜌰󛌱󜌸󜌩󚝦󪝬󫍓󭍹󫍥󟝠󪍳󫌨󙍻󪜪󝌵󯜬󞜹󙜬󝜰󙝠`.replace(/u../g,'')))

Sep 14 2026 8:53 PM UTC

}// 140/140

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SP13KTRA 🟥🟧🟨🟩🟦🟪 https://js13kgames.com/2026/games/sp13ktra

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Xen

remix of d/20566 by u/ashish9b

function u(t) {

for(i=3e3,c.width|=f=g=>(1+i%5+i/t)*g(a=(i/(t|0)&14)*t)-1e3*S(i/9-i%297+t)*g(a+t|0);i--;)x.fillRect(960+f(C),540+f(S),s=9+9*S(i/1e3),s)

Nov 11 2020 5:28 PM UTC

}// 135/140

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play and golf and happy with this

u/Xen

#waitforit

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katkip

remix of d/12241 by u/katkip

function u(t) {

s=123456;c.width*=1;{f=(X,Y,p)=>{S((X&Y)+s*C(s*s))<0?x.fillRect(X,Y+25,30,5):x.fillRect(X,Y,5,25)};for(i=77;i--;)for(j=43;j--;)f(i*25,j*25)}

Feb 8 2019 4:44 PM UTC

}// 140/140

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Seeded maze! 6 digits seed! change the s constant!

u/robbyg

#maze

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pavel

remix of d/20267 by u/yonatan

function u(t) {

for(m=[i=c.width|=X=Y=0];j=i--/69;)m[i]=[j/5,X-=C(a=j+t<<j+t),Y+=S(a),R(i/8)];for([d,X,Y,x.fillStyle]of m)x.fillRect(960+X*d,540+Y*d,d*=9,d)

Oct 15 2020 7:02 PM UTC

}// 140/140

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#improved with color and depth

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larzuk

function u(t) {

k=24,g=80|0;for(i=0;i<g*45;i++){j=i%g,h=i/g|0,m=Math.sqrt((j-40)**2+(h-k)**2)/2+S(h-t*k);x.fillStyle=R(m,k-m<<3,);x.fillRect(j*k,h*k,k,k);}

Oct 10 2019 2:56 PM UTC

}// 139/140

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VintageTerminal

u/aleamb

love it!
u/metamero

ultra cool
u/aleamb

I have no idea what tags can i put
u/metamero

#retro #crt
u/larzuk

:D

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wackytman

function u(t) {

c.width=1920 // clear the canvas
for(y=0;y<10;y++)
for(i=0;i<20;i++)
x.fillRect(i*100+Math.random(),y*100,10,10) // draw 50x200 rects

Jan 9 2018 1:32 PM UTC

}// 133/140

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Shakey Boi

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taupelink

remix of d/18845 by u/taupelink

function u(t) {

for(f=.5,i=d=e=k=1200;i--;x.fillRect(k+d*d*C(e),k+d*d*S(e),f,f))r=55+Math.random(z=150)*z|0,d=r/4+f*C(e),e=r%6.3+d*f*S(e)/r,f=r%2.8+.2/f**.5

May 19 2020 12:25 AM UTC

}// 140/140

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Maybe a #cavern scene

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rep_movsd

function u(t) {

eval(unescape(escape`𪑦𚁦𬡡𫑥𙐶𜀽🐰𚑻𨰮𭱩𩁴𪁼🐱𛁋👍𨑴𪀮𬡡𫡤𫱭𚀩𒡦𫱲𚁸𛡢𩑧𪑮𤁡𭁨𚀩𛁡🐰𞱡🀶𛠲𞀻𨐫🐮𜀱𛁸𛡬𪑮𩑔𫰨𦀬𦐩𚐊𩡯𬠨𦀽𞐶𜀬𦐽𝐴𜀬𤠽𝀰𜀬𪐽𜐵𞱩𛐭🠲𞰩𦀫👓𚁢👡𚡩𚐪𠰨𢰪𭀪𪐩𚠨𣀽𤠯𪐩𛁙𚰽𠰨𨠩𚡓𚁴𚠪𪐩𚡌𞱸𛡦𪑬𫀨𚑽`.replace(/u../g,'')))

Jul 29 2021 1:27 PM UTC

}// 135/140

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Xenobiology picture book #alien

u/taupelink

wow!
u/rep_movsd

It's just a sum of random fourier co-efficients - never expected this weird effect!
u/TGY

this is like so amazing, you could build game out of it
u/rep_movsd

Yeah - something like pokemon - people collect random creatures and pit them against each other, and some way to combine them