Dweets awesomed by u/robotman_

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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Xor

function u(t) {

x.fillRect(960,r=540,C(t)*r,S(t)*r)

Apr 29 2021 9:38 PM UTC

}// 35/140

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Drawing a circle in 33 bytes

u/KilledByAPixel

#circlechallenge
u/New_Core

👍 the real challenge would be to beat the size of normal way to do it ( <30 bytes, same size centerd).
u/Xor

What's the normal way?
u/New_Core

well, I was thinking of arc as normal way. x.fill(x.arc(960,540,540,1,7)) (using arc is not the challenge,)

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KilledByAPixel

remix of d/13487 by u/KilledByAPixel

function u(t) {

eval(unescape(escape`𭀿𠰽𧰽🡵𦱇🐨𦀯𦡼𜀩𚰨𦐯𦡼𜀩𚡅𧐽𛐡𭑛𡱝𯀱𞠨𦠽𜰴𛁅🐵𝰬𦀽𞐴𜀬𦐽𝐳𜀬𠐽𝰬𠠽𜰩𒡦𫱲𚁸𛡦𪑬𫁒𩑣𭀨𜀬𜀬𪐽𫠽𜡥𜰬𫠩𞱩𞰩𮀮𨱬𩑡𬡒𩑣𭀨𛠮𛡩𛐭🡮𛑴🱛𦀫👁𚠽𠰨𦀫👁𚐬𦐫👂𚠽𠰨𦐫👂𚐬𞐬𞑝𞡛𪐥𡐪𦠬𚁩𛱅𯀰𚐪𦠬𘑵𦱩𧐪𦠬𦡝𚐻`.replace(/u../g,'')))

Apr 29 2021 9:27 PM UTC

}// 138/140

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Breaking Ever Faster

u/DonKarlssonSan

Super cool!

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Xen

function u(t) {

t?x.globalCompositeOperation='xor':z=1
x.fillRect(0,!x.drawImage(c,z/=-1,1),7,7)
throw "My 999th, I'm still here,, Just preparing the next!"

Apr 29 2021 3:25 PM UTC

}// 140/140

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#ThousandApproaches

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Agnes

function u(t) {

for(c.width|=i=0,x.scale(50,50);i<9;x.stroke(),x.beginPath(),i++)for(y=50;--y;x.lineTo(8+2*i+S(t+y/50)*6,8+2*y/25));

Apr 26 2021 12:40 PM UTC

}// 116/140

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Bendy default

u/Agnes

#default
u/sigveseb

nice and stretchy

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aemkei

function u(t) {

for(W=256,L=i=2;i<4e4;i+=1)i%W||(i+=W),!(i%2)||i<W||i%W&&(i^L*L)%5?I=i:(I=L-2*Math.round((L-i)/4)-W+1,L=i),x.fillRect(I%W*9,9*(0|I/W),9,9)

Apr 25 2021 9:16 PM UTC

}// 138/140

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Fake Perfect Maze

u/aemkei

Build using the "Sidewinder" algorithm. A "perfect" maze has no loops and no isolation. I cheated a bit and the edges are not 100% right. But it fits into 140 chars!
u/aemkei

https://twitter.com/aemkei/status/1386429989…
u/aemkei

#maze
u/Xen

nicely done!
u/aemkei

golfed scaled up a bit: https://www.dwitter.net/d/22641

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Toshiya-Marukubo

function u(t) {

l=c.width=1920;t/=10;for(i=1080;i-=30;)for(j=l;j-=30;){k=i*l+j;x.globalAlpha=T(k-t);x.fillRect(j,T(j+t)*i+1080/2,T(k-t)*20,T(k*i+t)*20)}

Apr 23 2021 1:13 AM UTC

}// 136/140

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Initial post.

Show more comments…
u/taupelink

Welcome to Dwitter!
u/Toshiya-Marukubo

Nice to meet you : ) I'm grad to join here.
u/andrea270872

Well done. Makes me think of some 60's cover/animation art... very cool
u/Toshiya-Marukubo

Thank you so much!!!
u/Xen

Welcome to the dwitter family!
u/danny@hille.dk

Super cool first dweet! love it
u/DataMeta

Cool! #keepsongiving
u/Toshiya-Marukubo

Thank you so much!

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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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BackendForth

function u(t) {

c.width|=0
f=(n)=>960+99*C(n/9)+99*C(n)
g=(n)=>540+99*S(n/9)+99*S(n)
for(i=19;i--;x.stroke())x.moveTo(f(b=t*i),g(b)),x.lineTo(f(a=b+t),g(a))

Apr 20 2021 7:15 PM UTC

}// 140/140

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u/lars-erik

All the beautiful patterns in one. :D Love it!

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nicolas

function u(t) {

l=(w,h)=>x.lineTo(w,h)
r=Math.random()
a=1920
b=1080
x.strokeStyle="ff6781"
S(t/r)<0?(l(a*r,0),l(a,b*r)):(l(0,b*r),l(a*r,b))
t<5&&x.stroke()

Apr 20 2021 4:16 PM UTC

}// 140/140

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inspired by adidas FUTURECRAFT.STRUNG

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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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