Dweets awesomed by u/CalSch

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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rodrigo.siqueira

remix of d/21453 by u/rodrigo.siqueira

function u(t) {

for(i=2e3,f=(X,Y,n=99)=>T(X-S(Y))<9?f(X*X-Y*Y,2*X*Y+.7,n-1):x.fillStyle=`hsl(${i/8},80%,${C(n)*n}%`;i--;x.fillRect(i,t*60,1,1))f(i/3e3,t/50)

Jan 26 2021 4:11 PM UTC

}// 140/140

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Shaky lines #fractal

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u/danny@hille.dk

Love it!! reminds me of a Salvador Dali painting
u/aaaaaz

crazy !
u/DataMeta

woww this is beautiful!
u/DataMeta

my new lock screen wallpaper :) #abstract #art
u/rodrigo.siqueira

I created an animated version here: https://www.shadertoy.com/view/wtGcWc it's super fast and hypnotic. View in full screen!
u/danny@hille.dk

I just saw your "Super Julia Fractal" on shadertoy it is very cool!

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danny@hille.dk

remix of d/18518 by u/ntsutae

function u(t) {

for(x.fillRect(0,x.globalAlpha=.1,w=i=1920,w);i--;x.clearRect(y,S(i*i-t)*333+540,9,9))y=(t*333-i)%w

Jan 21 2021 8:22 PM UTC

}// 99/140

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golf and play

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danny@hille.dk

remix of d/18804 by u/yonatan

function u(t) {

for(i=c.width=99;i--;)for(j=56;j--;x.fillRect(i,j,1,S(S(v-j)-j)*S(C(u-i)-i)/2+.5))m=S(t),n=C(t),q=m*n,u=(a=i-50)*m+(b=j-26)*q,v=b*m-a*q

Jan 20 2021 6:38 PM UTC

}// 135/140

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u/Xen

smooth
u/danny@hille.dk

#rotozoom

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Qwitter

function u(t) {

eval(unescape(escape`𨴮𬵴𮕬𩔮𩥩𫅴𩕲🔧𨥬𭕲𚄳𬅸𚕣𫵮𭅲𨕳𭄨𞔩𙴻𫔽𞔶𜄻𮄮𩥩𫅬𤵴𮕬𩔽𙴣𜄰𝔱𙴻𮄮𩥩𫅬𤥥𨵴𚄰𛄰𛄲𩔳𛄲𩔳𚔻𮄮𩥩𫅬𤵴𮕬𩔽𙴣𨔰𩤧𞵦𫵲𚅫🕭𞵫𛔭𞵒🕫𚤪𛤴𚥓𚅴𚔩𮄮𩥩𫅬𤥥𨵴𚅭𚤨𜔫𠴨𤤪𭄫𜴪𪴪𚤲𚔯𤤩𛅭𛴲𚤨𜔫𤴨𤤪𭄫𜴪𪴪𚤲𚔯𤤩𛄹𛄹𚔻`.replace(/u../g,'')))

Jan 13 2021 9:46 PM UTC

}// 140/140

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Cosmic Breath

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Xen

remix of d/21250 by u/rodrigo.siqueira

function u(t) {

for(i=2e3,f=g=>(1+t)*i*g(i*i)*g(i+t/19);i--;x.fillRect(950+f(C),540+f(S),8/t,9/t))x.fillStyle=`hsl(${t*9},80%,${S(i/1e5+t)*99}%,.2`

Jan 13 2021 7:19 PM UTC

}// 131/140

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quick test

u/Qwitter

wow
u/iverjo

Very nice! #coralreef
u/joeytwiddle

An attractive Xen dweet? Must be 2021. Nice one!

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rodrigo.siqueira

remix of d/21204 by u/rodrigo.siqueira

function u(t) {

c.style.filter='blur(2px)contrast(11)invert('
for(c.width|=i=999;i--;x.fillRect(999+S(i*i+t/35)*i,i*T(t/9+i)/4,25,45))x.fillStyle=R(i/4,i/8)

Jan 13 2021 4:52 PM UTC

}// 140/140

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Melting ice #water (mobile version). For better results on desktop, change blur from 2px to 4px.

u/Xen

nice!
u/magna

ice!
u/joeytwiddle

#metaballs #drop #droplet #raindrop

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tomxor

remix of d/20405 by u/tomxor

function u(t) {

eval(unescape(escape`𨰮𬱴𮑬𩐽𙱦𪑬𭁥𬠺𪑮𭡥𬡴𚀧𞱦𫱲𚁬𩑴𘁺𛁁𛁂𛁮𛁘𛁙𛁩🐲𝀻𪐻𦀫👁𛁙𚰽𠠩𚀴𜀫𦀯𝀸𧠱𝠫𦐯𝀸𚐥𜐵🠱🱸𛡦𪑬𫁒𩑣𭀨𦀬𦐬𫠯𚰫𮠪𚠮𝐬𜐯𞀩𞠨𮠽𜐬𬠽𚁮𚰷𚐪𚡩𚡴𛁁🐲𚡓𚁲𚐬𠠽𜠪𠰨𬠩𛀭𛑮𚑼𯀨𫠽𞀬𦀽𜐲𞀰𚱩𚡓𚁴𚐬𦐽𝰲𜀫𪐪𠰨𭀩𛀭𛑩𚐻`.replace(/u../g,'')))

Jan 10 2021 12:15 AM UTC

}// 140/140

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2D #raymarching #globalillumination

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u/KilledByAPixel

very cool 👍
u/Xen

Love it!
u/Qwitter

cool, i wish i could follow the js. what does the code look like unpacked?
u/Qwitter

Sometimes Im amazed at how stupid I am: 'filter:invert(';for(let z,A,B,n,X,Y,i=24;i;X+=A,Y+=B)(40+X/48^16+Y/48)%15>1?x.fillRect(X,Y,n/++z**.5,1/8):(z=1,r=(n+7)**i*t,A=2*S(r),B=2*C(r),--n)||(n=8,X=1280+i*S(t),Y=720+i*C(t),--i);
u/jellyedwards

Wow!
u/Pascal

damn
u/aleamb

fucking awesome
u/sigveseb

I let it sit for a while and took a screenshot https://imgur.com/a/MokWulC
u/magna

wow
u/DataMeta

absolutely amazing
u/iverjo

Very nice. Writeup please?
u/joeytwiddle

Great! #lighting #shadow
u/vain

great raycast

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ciaccodavide

remix of d/14505 by u/simonmkwii

function u(t) {

for(x.fillRect(0,0,i=640,i);z=--i**.3;x.fillStyle=R(0,500/--z))x.setTransform(s=20/z+S(t),0,0,s,0,0),x.fillText('*',i%z*99-C(t),t++%z*60)

Dec 30 2020 3:42 PM UTC

}// 137/140

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command line #snowflake

u/andrea270872

Matrix Xmas :D Very cool!

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pavel

function u(t) {

with(x)for(fillRect(i=-710,i,i*=-2,i);i--;clearRect(20+9*S(a=i+t),2,w=C(a),w>0))setTransform(16,0,0,16,960,540),rotate(i/226)

Dec 15 2020 11:04 PM UTC

}// 125/140

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Torus Study #1

u/magna

WOW!
u/vovanmozg

fantastic!

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Pascal

function u(t) {

eval(unescape(escape`𩡯𬠨𨰮𭱩𩁴𪁞👪🐰𞱪𚰫🀱𜠻𚑦𫱲𚁫🐰𞱫𚰫🀶𞰩𮱸𛡢𩑧𪑮𤁡𭁨𚀩𞱦𫱲𚁩🐰𞱩𚰫🀷𞰩𮀮𫁩𫡥𥁯𚀭𚁰🐹𞐩𚱰𚠨𮠽𛠶𚰮𝀪𤰨𭀫𪠩𚡃𚀲𚡴𚱫𚐩𚡃𚁬👩𚠱𛠰𝀷𚐫𬀪𚀵𛰳𚡪𚐬𛑰𚱰𚡺𚡓𚁬𚐭𬀪𚁪𙐲𚐫𜠪𬀪𪰩𛁸𛡦𪑬𫀨𚑽𮀮𨱬𫱳𩑐𨑴𪀨𚐠`.replace(/u../g,'')))

Dec 14 2020 7:54 PM UTC

}// 137/140

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#hexagon

u/Pascal

Got inspired by https://www.dwitter.net/d/20460 and tried to do it myself but failed to make it in less than 140
u/Pascal

original:
u/Pascal

for(c.width^=j=0;j++<12;)for(k=0;k++<6;){x.beginPath();for(i=0;i++<7;)x.lineTo(-(p=99)+p*(z=.6+.4*S(t+j)*C(2*t+k))*C(l=i*1.047)+p*(5/3*j),-p+p*z*S(l)-p*(j%2)+2*p*k),x.fill()}x.closePath()
u/danny@hille.dk

broken hexagon golf -> for(c.width|=j=16,p=99;j--;)for(k=7;k--;x.beginPath(x.fill()))for(i=6,z=S(j)*C(k+t);i--;)x.lineTo(p*z*C(i)+p*1.3*j,p*z*S(i)+j%2*p+170*k)

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