Dweets awesomed by u/DataMeta

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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magna

remix of d/24493 by u/magna

function u(t) {

c.width|=0
for(i=6800;i--;X/10&1||x.fillRect(400+X*5+S(t)*300+C(t+Math.PI)**1*(Math.hypot(X-85,Y-20))*3,400+Y*5,6,6))X=i%170,Y=i/170|0

Dec 13 2021 5:48 AM UTC

}// 134/140

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draggable #default

u/magna

Or rather, "stretchy"
u/magna

LOL that vestigial **1
u/andrea270872

very cool!

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magna

function u(t) {

c.width|=0
for(i=6800;i--;p&&x.fillRect(400+X*5+S(t+S(t/2.3)**9*(C(Math.atan2(85-X,20-Y)*99)))*300,400+Y*5,5,5))X=i%170,Y=i/170|0,p=X/10&1^1

Dec 13 2021 5:20 AM UTC

}// 140/140

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Protomolecule #default

u/neimad

extremely cool
u/andrea270872

quantum-mechanic default!
u/DataMeta

niiiice
u/stephanegeorget

The expanse yay
u/lewdev

"I need guns. Lots of guns"

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rodrigo.siqueira

function u(t) {

for(j=9;j--;)for(i=2e3;i--;x.fillRect(X,Y,85,2))x.fillStyle=R(k=i%2*180,k,k),k?(X=i/5+j*170+49,Y=i):(X=j*170+377-i/22,Y=i/5+360)

Dec 12 2021 4:03 PM UTC

}// 128/140

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Spatial Contradiction (#art reproduction) #default artwork from 1958 by Waldemar Cordeiro, a pioneer in the use of computer in the arts in Brazil and Latin America. He was the precursor, theorist and leader of the concrete movement in Brazil. Original name: "Contradição Espacial".

u/magna

Awesome! :)
u/magna

Scrolling up and down, this creates the optical illusion that the bars are shifting left and right
u/neimad

that's a neat trick!

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magna

function u(t) {

c.width|=0
for(i=32*5;i--;x.fillRect(X*100+S(t)*300-300-25+p*50,Y*250-100+p*100,50-p*50,200-p*200))X=i%32,Y=i>>5,p=(X<7|X>15|Y!=2)*S(t/2)**2

Dec 11 2021 5:44 AM UTC

}// 140/140

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#default

u/ciaccodavide

nice one!
u/vain

Awesome code!
u/aleamb

love it!
u/magna

136: c.width|=0;for(i=160;i--;x.fillRect(X*100+S(t)*300-325+p*50,Y*250-100+p*100,50-p*50,200-p*200))X=i%32,Y=i>>5,p=(X<7|X>15|Y!=2)*S(t/2)**2
u/4ce

u/magna 136=>135 c.width|=0;x.scale(25,25);for(i=160;i--;x.fillRect(X*4+S(t)*12-13+p*2,Y*10-4+p*4,2-p*2,8-p*8))X=i%32,Y=i>>5,p=(X<7|X>15|Y!=2)*S(t/2)**2

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robotman_

function u(t) {

for(i=d=0;i<1920;i++)x.fillRect(i,540+(d+=Math.random()-.5)*10,1,1)

Dec 7 2021 11:36 PM UTC

}// 67/140

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Random Walks

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BriSeven

remix of d/24454 by u/BriSeven

function u(t) {

c.width*=1
for(i=4e2;i--;x.setTransform(C(n=t+C(t)*i/9)*2,-S(n),S(n)*2,C(n),960,300+i),x.font='5cm a')x.fillText([...'🟥🟧🟨🟩🟦🟪🟫'][i/57|0],0,0)

Dec 6 2021 7:31 AM UTC

}// 140/140

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rainbow slinky

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taupelink

remix of d/24370 by u/taupelink

function u(t) {

eval(unescape(escape`景爨洽ㅥ㌻堽䌨洩ⱙ㵓⡭⩭ⴭ⤻砮晩汬剥捴⠹㘰⨫⭘ⰵ㐰⨫⭙Ⱪ⽴⽴ⱱ⽴⤩椽津㈵㘬焽洯㐬砮晩汬却祬攽刨楞㵱Ⱪ⨽⸸⭃⡘⩙⨶⤯㐬椪㴱⭓⡘⩘⨵ⵙ⩙⨳⤯㐬焯椯㤯⠱ⵙ⤩`.replace(/u([^D].)/g,'$1%')))

Dec 5 2021 10:35 PM UTC

}// 126/140

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d/24452

u/magna

This is fantastic!
u/KilledByAPixel

feels very 3d

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KilledByAPixel

remix of d/24446 by u/KilledByAPixel

function u(t) {

r=r=>Math.random()*r|0
X=r(4e3)-2e3
Y=r(4e3)-2e3
v=r(w=r(h=r(500)))
x.rotate(t*w?0:X)
for(i=w*h;i--;)x.fillRect(X+i%w,Y+i/w,S(t),S(i%v)/t/t)

Dec 5 2021 9:26 PM UTC

}// 140/140

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Generative Grayscale Study #2

u/KilledByAPixel

Different every time, give it about 10 seconds to draw.
u/KilledByAPixel

https://www.fxhash.xyz/generative/2370 #fxhash

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KilledByAPixel

function u(t) {

r=(r=4e3)=>Math.random()*r
X=r()-2e3
Y=r()-2e3
w=r()/9
x.rotate(r()<29?X:0)
for(i=r()/9;i-->0;)for(j=w;j-->0;)x.fillRect(X+i,Y+j,1,r(1)/t/t)

Dec 5 2021 3:22 PM UTC

}// 140/140

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Generative Grayscale Study

u/KilledByAPixel

Different every time, takes about 10 seconds to draw

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tomxor

remix of d/24387 by u/pavel

function u(t) {

s=R>15?16:(R|=0,X=R%4*8,Y=R/4<<3,b=32)
b&1?X+=b%4-2:Y+=b%4-1;b+=473545>>R/8%21&!(R++%8)
x.fillRect(450+s*X+s/.3,s*Y+s/.3,s,s)

Nov 28 2021 11:10 PM UTC

}// 125/140

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Smolr Pen Pattern v2

u/tomxor

Slower and no loops :)
u/pavel

Very nice golfing. Let's see if we can fit a bigger pattern in a dweet.

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