Dweets awesomed by u/MAxSaL

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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contone

remix of d/22584 by u/contone

function u(t) {

c.width|=0
for(i=2e3;i--;)
x.fillStyle=`hsl(${i*99},99%,50%)`,
x.fillRect(960+S(u=i/23.8)*900,(C(u)+S(4*t-i/4))*20+i*2*245.06%1e3,52,40)

Apr 21 2021 9:48 PM UTC

}// 136/140

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rodrigo.siqueira

remix of d/22574 by u/rodrigo.siqueira

function u(t) {

c.width=880
for(β=300;β--;c.style.filter='invert()')𝛾=(S(β)*(β-360))/C(β*β+t*3),x.lineTo(β*3,220*(K=.7+frame%2)+S(β/𝛾)*80*S(𝛾)/K)
x.stroke()

Apr 21 2021 2:59 PM UTC

}// 140/140

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Gamma (𝛾) and Beta (β) brain waves while composing a Dweet.

u/EliteDaMyth

you can save 2 chars by removing the brackets around the multiplication/division. for(c.width=880,β=300;β--;c.style.filter="invert()")𝛾=S(β)*(β-360)/C(β*β+3*t),x.lineTo(3*β,220*(K=.7+frame%2)+80*S(β/𝛾)*S(𝛾)/K);x.stroke()

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BackendForth

function u(t) {

x.globalCompositeOperation="xor"
if(!t)a=b=9,d=0
x.fillRect(a-d/2,b-d/2,d,d)
d+=t
if(d>t*9)d=0,a=Math.random()*1920,b=Math.random()*1080

Apr 21 2021 12:31 PM UTC

}// 136/140

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What my phone sees when I try to scan a QR code

u/lars-erik

Nice. Could you the other "don't xor", I wonder. Could make for a less chaotic effect when it grows.
u/DataMeta

#waitforit #keepsongiving

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rodrigo.siqueira

function u(t) {

K=3.5
if(!t){for(b=-K;b<=K;b++)for(C=-K;C<=K;C++)for(a=-K;a<0;a++)for(X=680;X--;x.fillRect(X*1.7+380,540+Y,2,2))Y=(C*120+a*(X-340))/b*1.5}

Apr 19 2021 4:20 PM UTC

}// 138/140

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Cover of "Computers And Automation And People" magazine, January, 1973. I was able to recreate the image based on a small description (in page 5): "Front Cover Picture: The front cover drawing, called "Phropase", was produced by an Algol 60 program, drawing straight lines ax + by + c = 0, where a, b and c were "stepped arithmetically in nested loops". The computer used was an ICL 1904A, driving a Calcomp 1934/6 plotter. The programmer artist is Nihan Lloyd-Thurston.

u/rodrigo.siqueira

Here is the full journal with it's cover artwork and description: https://archive.org/details/bitsavers_comput… "Computers And Automation And People", Jan., 1973
u/smtsjhr

thats so cool and well done! I find this kind of exercise to be very inspiring : )

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contone

remix of d/22432 by u/contone

function u(t) {

x.transform(105,0,0,120,960,9)
x.fill(p=new Path2D([...'M15Q3355H4Q3625M05H1L06L18L07M03L40L89L99L90L00'].join` `))
x.scale(-1,1);x.fill(p)

Apr 13 2021 7:09 PM UTC

}// 139/140

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contone

function u(t) {

x.transform(90,0,0,99,600,210)
x.lineCap='round'
x.stroke(p=new Path2D([...'M00Q2240C440400zM21V7M43V7M63V7M70Q8081V7M23H8M24H8'].join` `))

Apr 13 2021 4:26 PM UTC

}// 139/140

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u/danny@hille.dk

Love it :-)
u/Volfegan

bad #cat

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veubeke

function u(t) {

for(X=151;X--;)for(i=2;i--;x.fillRect(60+(X/9|0)*120-W,60+X%9*120-W,W*=2,W))W=X%2?t%1+i:1-t%1+i,W=W<1?W*60:60,x.fillStyle=t+i&1?'#fff':'tan'

Apr 13 2021 10:13 AM UTC

}// 140/140

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u/Xen

nice!
u/erin

so cool!!
u/danny@hille.dk

#perfectloop
u/magna

Whoa!
u/andrea270872

for some reason it makes me want to play chess! very nice

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rodrigo.siqueira

remix of d/22450 by u/Xen

function u(t) {

for(x.fillRect(0,0,z=i=2e3,i);i--;x.font="2in'")x.fillStyle=R(i,i/3,x.fillText(String.fromCharCode(12449+i%99),480*(t%4),(i*i+t*i)%z),i+.1)

Apr 12 2021 9:22 PM UTC

}// 139/140

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Samurai's fire log #fire

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Xen

remix of d/22443 by u/DataMeta

function u(t) {

for(x.fillRect(0,0,z=i=2e3,i);i--;)x.fillStyle=R(0,i,x.fillText(String.fromCharCode(0x30a1+i%99),97*i%z,(i*i+t*i)%z),i+.1)

Apr 12 2021 2:31 PM UTC

}// 122/140

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The #matrix fullscreen remix

Show more comments…
u/KilledByAPixel

You could do String.fromCharCode(i)
u/danny@hille.dk

AMAIZING!
u/danny@hille.dk

There is even room for a bigger font: for(x.fillRect(0,0,z=i=2e3,i);i--;x.font='1cm o')x.fillStyle=R(0,i,x.fillText(String.fromCharCode(0x30a1+i%99),97*i%z,(i*i+t*i)%z),i+.1)
u/DaSpider

cool d/21177
u/roboeor

b ad lol esy to make
u/mrfoogles

yeesh its cool
u/DataMeta

dope

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jakobbnt

function u(t) {

x.beginPath()
x.arc(624*S(t)+920,-300*C(t)+540,30*t,0,2*Math.PI)
x.stroke()

Mar 24 2021 3:18 PM UTC

}// 75/140

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Endless consumption

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