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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Xen

remix of d/6898 by u/loni_art

function u(t) {

t?a=i=44:x.fillRect(0,0,2e3,2e3);
for(;i--;x.fillRect(i*a,(9+T(i+t))*a,a,a))
x.fillStyle=R(...[1,9,i].map(d=>127*(C(d+i*2+t))))

Jan 10 2019 4:29 PM UTC

}// 127/140

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KilledByAPixel

function u(t) {

eval(unescape(escape`󭽩󭍨󚍸󚝦󫽲󚍣󛭷󪝤󭍨󯌽󪜽󜌻󪜼󭌻󩭩󫍬󥍥󮍴󚌧󧍵󡌸󜽄󧍵󡍄󜭁󙼬󛜹󞜬󞜹󚜩󬌽󭌥󜜬󬜽󪜼󭌭󜜬󦌽󚍱󟼱󞭰󚜪󜭥󜼭󜜰󞜭󪜪󚬵󙜹󞜬󬽡󭭥󚍲󩝳󭍯󬭥󚍥󟝱󟼱󞭴󙜱󚜩󛍴󬭡󫭳󫍡󭍥󚍘󛌵󝌰󚽓󚌫󚽩󚭩󚜪󜜹󞜪󩜩󛍲󫽴󨝴󩜨󤼨󪜪󚬴󚜯󜬭󜜫󩜪󜜹󚜬󩭯󫭴󟜧󜭩󫬢󙼻`.replace(/u../g,'')))

Dec 19 2024 4:40 AM UTC

}// 140/140

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Knives Out 🔪

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Xen

remix of d/13337 by u/vinca

function u(t) {

for(i=1e3;i--;x.fillRect(i*2,0,3,9))x.fillStyle=`hsl(${1e3*S(t+i/4+C(2*t/9)/9)+i+t*1e3},80%,80%,.1`;x.drawImage(c,0,9)

Apr 21 2019 8:39 PM UTC

}// 118/140

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Enjoy the trip

u/Xen

#trippy #rainbow

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DataMeta

function u(t) {

c=400;for(i=512;i--;)x.fillStyle=R(o=i/2,o,o,.55),
x.fillRect(960+c*S(t+i/22*7.111),540+c*C(t-i),8,8)

Mar 14 2019 3:05 AM UTC

}// 101/140

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u/Xen

love it!
u/UEZ

#Lissajous

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_nderscore

function u(t) {

x.font='28px a';for(i=96;i--;)for(j=54;j--;x.fillText('~!@#$&;'[z-10]||z,20*i,20*j))x.fillStyle=`#0${(z=Math.random()*16|0).toString(16)}0`

Jul 25 2017 6:08 PM UTC

}// 139/140

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u/sigveseb

Cool
u/jick

Neat!

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tomxor

remix of d/23968 by u/KilledByAPixel

function u(t) {

for(X=t?X+r*50:0,i=h=11+6*C(t*4+X%1)<<5;--i;x.fillRect(...t?[X-r*i/4,600+(r*8&3?i-h:h-i),i/4,2]:[i*8,r*999,h,r]))r=Math.random()

Oct 2 2021 12:56 PM UTC

}// 128/140

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Smolr Tree Lake

Show more comments…
u/tomxor

A nice round 2**7 chars. A bit of bitwise, ternary trimming and coefficient concessions
u/KilledByAPixel

nice! I'm surprised you didn't get rid of the Math.random()!
u/yonatan

nice golf, r=(t+i)**3.9%1 works too
u/tomxor

Yeah I was surprised to, I think this one is a bit more sensitive to bad distributions. Yonatan's is pretty good though.
u/pavel

X=t?X+r*50:0 -> X=t&&X+r*50
u/pavel

r=++t**3.9%1 saves 3 chars
u/pavel

Ah, no, it kills the sky/water.
u/KilledByAPixel

i feel it is possible to somehow golf the random part by at least a byte but I still haven't found a way without major issues
u/pavel

for(X=t&&X+r*25,i=h=11+6*C(t*4+X%1)<<5;--i;x.fillRect(...t?[X-r*i/8,600+(r*8&3?i-h:h-i),i/4,2]:[i*8,r*600,h,r]))r=1+S(i^X)
u/pavel

122
u/KilledByAPixel

I knew you could do it pavel!
u/aleamb

beautiful!!

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tzador

function u(t) {

eval(unescape(escape`𪀽𘠢𒡦𫱲𚁩🐹𞐹𞰭𛑩𞰩𪀽𘠼𩁩𭠾𘠫𪀫𘠼𛱤𪑶🠢𒡤𫱣𭑭𩑮𭀮𨡯𩁹𛡩𫡮𩑲𢁔𣑌👨𚰢🁳𭁹𫁥🡤𪑶𮱨𩑩𩱨𭀺𜰰𜁰𮀻𨡯𬡤𩑲𞠱𬁸𘁳𫱬𪑤𘁢𫁡𨱫𞱴𬡡𫡳𩡯𬡭𞡲𫱴𨑴𩐨𘠫𭀫𘡲𨑤𚑳𨱡𫁥𚀰𛠹𝐩𯐢`.replace(/uD./g,'')))

Feb 2 2025 7:15 PM UTC

}// 120/140

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it is basically some CSS:

u/tzador

h="" for(i=999;--i;)h="<div>"+h+"</div>" document.body.innerHTML=h+"<style>div{height:300px;border:1px solid black;transform:rotate("+t+"rad)scale(0.95)}"

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username

remix of d/14651 by u/Xen

function u(t) {

t?x.rotate(i=M=(6-T(t))*85):x.translate(960,540)
for(x.drawImage(c,1,1);i-->0;x.fillRect(i,i,M,t))x.fillStyle=`hsl(${t},99%,${41+50/M*i}%)`

Jun 19 2019 9:19 PM UTC

}// 139/140

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added some T() and drawImage() u/joeytwiddle

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taupelink

remix of d/15167 by u/taupelink

function u(t) {

for(i=1e4,d=e=0;i--;)x.fillRect(960+(q=d*3e3)*S(p=e*6.283),135+q*C(p),1,1),d+=(((r=Math.random()*4)&1)-d)*(l=.6+S(i)**2/5),e+=((r&2)/2-e)*l

Jul 28 2019 3:04 AM UTC

}// 139/140

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Funny, if you replace the polar coordinates with rectangular coordinates 1920*d,1080*e, it doesn't look anthropomorphic at all

u/rep_movsd

The elder god of pixels
u/katkip

THIS IS KOROSENSEI!
u/taupelink

d/15168

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tomxor

remix of d/19547 by u/tomxor

function u(t) {

for(c.width=w=127,i=8e3;i--;t?p&T[r=t&2?i-w-r%3:i+w+r%3]<1&&--T[i]&++T[r]:T[i]=r%3)p=T[i],x.fillRect(X=i&w,Y=i>>7,1,p/3),r=i*t^Y/6&X/6

Jul 29 2020 11:41 AM UTC

}// 134/140

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#Serpinski #Hourglass v2

Show more comments…
u/tomxor

Removed the pseudo random left bias and made 1 bit, more sandy :)
u/tomxor

#sand #electric
u/magna

This is epic.
u/KilledByAPixel

amazing!
u/13thptr

incredible
u/13thptr

incredible
u/DataMeta

phenomenal #physics
u/Xen

lovejit
u/tomxor

Thanks u/KilledByAPixel for the original idea and implementation!
u/IV

ooh, you do the best stuff!
u/andrea270872

Wow!
u/donbright

these are incredible
u/joeytwiddle

Impossible! 🤩
u/vain

cool