Dweets awesomed by u/rnbw

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: #Opposites

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rodrigo.siqueira

remix of d/21421 by u/rodrigo.siqueira

function u(t) {

M=(a,r=0,i=0,n=40)=>r*T(i*t)<n?M(a,r*r-i*i+a,2*r*i-t/5+1.2,n-=3):-n/9;for(i=2e3;i--;)x.fillRect(i,t*90,M(i/520-2.5)+1,2)

Jan 24 2021 5:12 PM UTC

}// 120/140

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Dramatic spider web effect inside the #mandelbrot set #noise

u/Qwitter

Its easy to like noises that sound like that
u/magna

Stylish!

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KilledByAPixel

function u(t) {

eval(unescape(escape`𭱩𭁨𚁸𚑦𫱲𚁣𛡷𪑤𭁨𯀽𪠽𝐻𪠭𛐻𩡩𫁬𤱴𮑬𩐽𤠨𭠽𜠵𝐬𭠭𪠪𜰹𛁶𛑪𚠱𞐹𚐬𩡩𫁬𚀩𚑦𫱲𚁢𩑧𪑮𤁡𭁨𚁩🐵𝰩𞱩𛐭𞱬𪑮𩑔𫰨𞐶𜀫𬠪𚀲𞀭𪐩𚠪𜠪𤰨𨐽𪐯𞐩𛰵𜀰𚱓𚁃𚁡𚐪𞐫𭀪𞐩𚠱𞐬𞐰𜀫𬠪𠰨𨐩𛑲𚠮𞐩𚑲👪𛐴🱪𚠹𞐫𞐹𚱓𚁩𚡩𚱴𚠹𚐪𜐹𞠱𩐴`.replace(/u../g,'')))

Feb 29 2020 4:22 AM UTC

}// 140/140

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#Flame 🔥 - inspired by https://codepen.io/FelixLuciano/full/ZEGpqdM

u/DataMeta

🔥
u/sigveseb

This is on #fire !
u/katkip

Nice!

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iznax

function u(t) {

for(c.width|=i=8,x.font="80em i",k=850;i--;x.fillText((""+1/0)[i],k+S(t+i/2)*k,k+C(t+i)*99))c.style.filter=`blur(13px)contrast(300)invert(1`

Feb 17 2020 6:06 AM UTC

}// 140/140

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Blurfinity

u/rodrigo.siqueira

1/0

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pavel

function u(t) {

for(i=c.width|=f=g=>22/7/(1+1e3**g(2*t+i%32/16));i--;x.fillText('dn',-6,3))x.setTransform(6,0,0,6,6*i+i%2*96,i%32*96-f(S)*61),x.rotate(f(C))

Feb 13 2020 8:21 AM UTC

}// 140/140

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up / dn #beesandbombs

u/pavel

https://beesandbombs.tumblr.com/post/1674924…
u/pavel

Not quite the same due to golfing but still looks good I think
u/andrea270872

Amazing. I could swear that the letters are bending... which is impossible! Wow!
u/eduft15

Amazing!

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New_Core

function u(t) {

c.style.filter=`blur(17px)contrast(2e3%)`
for(c.width|=i=11;i--;)x.fillRect(960+600*S(t+i),440+400*C(t+i/.6),200,200)

Feb 12 2020 4:46 PM UTC

}// 117/140

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Aha.. so thats how the metabals was done ;)

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u/New_Core

*metaballs
u/New_Core

probably better use arc.. didnt check fullscreen before posting....
u/New_Core

about 60 px blur was ok for fullscreen here
u/KilledByAPixel

nice technique!
u/corruptio

you can just do c.filter right?
u/corruptio

oh nope, nevermind
u/joeytwiddle

#metaballs good job!
u/sigveseb

Contrast filter, that's clever!

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rnbw

remix of d/17581 by u/rodrigo.siqueira

function u(t) {

c.style.filter=`blur(8vh)sepia()invert(`
for(c.width=k=99;k--;x.arc(50,28,k**3/99/k,a=k*(11+S(t+k/9)/99),a));x.stroke()

Feb 12 2020 3:53 PM UTC

}// 119/140

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never knew about style.filter... all this time and i still don't have much of a grasp :p

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jylikangas

function u(t) {

eval(unescape(escape`𨰮𬱴𮑬𩐮𩡩𫁴𩑲🐢𨡬𭑲𚀱𭡨𚑳𩑰𪑡𚀩𪑮𭡥𬡴𚀮𞐢𒡦𫱲𚁣𛡷𪑤𭁨👩🐭𞐻𚰫𪐼𞐻𤠽𨐽🡸𛡬𪑮𩑔𫰨𜐵𜀫𨐪𝰰𛰨𮠽𪠭𭀪𝐥𜐩𚱃𚁴𚐪𜠰𛀹𜀫𚀹𜀫𤰨𪠫𭀪𝐦𨑼𞐩𚠴𜀭𨐪𚠴𚐯𮠩𚑦𫱲𚁪🐲𜀻𮀮𨡥𩱩𫡐𨑴𪀨𮀮𬱴𬡯𪱥𚀩𚐬𤠨𪐩𛀭𛑪𞱒𚁩𚰱𚐩𤠨𪐩`.replace(/u../g,'')))

Feb 10 2020 3:57 PM UTC

}// 140/140

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To celebrate the launch of devaja.fi

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u/KilledByAPixel

😲
u/rodrigo.siqueira

This is a scene from Dragon's Lair game, where balls were rolling on this grid.
u/sigveseb

no way! daaaamn
u/tomxor

Woaaah! O_O
u/lionleaf

Holy ...! :O
u/katkip

Wow
u/hoplite

Reminded me a bit of https://www.youtube.com/watch?v=6juR6rzAolU :)

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KilledByAPixel

function u(t) {

for(z=k=2e3;k--;x.fillRect(i*9+S(z*t)*z|0,j*9+t*420,t?9:z,9))i=k%9,j=k/9|0,x.fillStyle=R(q=t?i*j%2*400*S(k*k*t):k/3+C(k*k)*39,q-99,t?q-k:99)

Feb 7 2020 5:50 PM UTC

}// 140/140

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City Sunset V2

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u/KilledByAPixel

#city
u/DataMeta

I really like this one
u/KilledByAPixel

thanks! me too
u/magna

WOOW@
u/lionleaf

Wonderful dweet!
u/katkip

#sunset
u/aleamb

wow! amazing! #landscape
u/souldzin

Beautiful! Great job!
u/KilledByAPixel

thank you everyone, this is one of my best! check out the remix chain to a few works leading up to it
u/KilledByAPixel

Full explanation: https://frankforce.com/dissecting-a-dweet-9-…
u/KilledByAPixel

Video explanation: https://www.youtube.com/watch?v=vnx8kI4EcVc

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rodrigo.siqueira

remix of d/12354 by u/rodrigo.siqueira

function u(t) {

for(a=b=i=2e4;i--;x.fillRect(960+99*a,540+99*b,.1,1))r=Math.random(),[a,b]=r>.5?[S(b)*8,C(a*b+t)*5]:[S(b/3)*5,a/3]
x.fillStyle=R(b*60*(i%3))

Feb 5 2020 12:33 PM UTC

}// 140/140

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Into the abyss of rectangles #recursive

u/DaSpider

Where is the recursion?
u/rodrigo.siqueira

Each [a,b] is defined by the previous state of [a,b], so it's actually iterative.. It's based on IFS (Iterated Function System) with transformations are based on a probability.
u/sigveseb

That shading ends up looking really nice!
u/tomxor

Yeah, really nice texture!
u/lulasz

Looks like pencil drawing 🤔

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rnbw

function u(t) {

for(c.width+=i=0;++i<3e3;x.fillStyle=`#5`+i/10)x.fillRect(940+i*S(t*2+i/99*S(t/3+i/400))/i*300,540+i*C(t*2+i/99*S(t/3-i/400))/i*300,7,7)

Jan 27 2020 3:44 PM UTC

}// 136/140

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implicit boundaries

u/rnbw

i just realized that i could have cut down on this a little, there are a few unnecessary operations (like i/i spread across functions a few times)

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