Random dweets | Dwitter

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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Xen

remix of d/27303 by u/Xen

function u(t) {

with(x)for(i=721;i--;beginPath(fill()))arc((i*t*t+C(t+i)*i)%3e3-i,(i*t*i+S(i)*i)%1e3,69,0,9),fillStyle=`hsl(${i&i*t},69%,69%,.0069`,stroke()

Mar 30 2023 8:28 PM UTC

}// 140/140

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play 4

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travisdoesmath

function u(t) {

_=(a,n)=>(a>>n)%2
for(i=0;i<213;i++)for(j=0;j<120;j++)(_(i,3)||_(j,3))&&_(i+j,2)^_(i,3)||_(i,3)*_(j,3)==1?x.fillRect(i*9,j*9,9,9):0

Jan 3 2018 7:33 AM UTC

}// 131/140

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I spent about a full day trying to figure out a bitmappy way to make a houndstooth pattern, but I couldn't get it under 140 characters! Decided to go the boolean logic route instead.

u/travisdoesmath

previous attempt (158 chars): p=[8,4,2,1,9,13,15,16,273,2321,3345,3857,4113,2065,1041,529].map(_=>_*15) for(i=0;i<213;i++)for(j=0;j<120;j++)(p[j%16]>>(i%16))%2==0?x.fillRect(i*9,j*9,9,9):0
u/trupples

Nice one!
u/RomanW

I just posted remix #5365. I've been experimenting with converting UTF characters to binary data. See also my other dweets :)

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samagram

function u(t) {

c.style.background=`hsl(${t*9},60%,50%`

Feb 15 2019 11:41 AM UTC

}// 39/140

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took another shot at d/12361, apparently 56 chars is a lot

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aemkei

function u(t) {

c.width^=0;for(i=-30;i<30;i+=0.01+t/2e3)x.fillRect(960+T*C(T=i*40),540+T*S(T),w=4+i*S(t),w)

Feb 23 2017 10:30 AM UTC

}// 91/140

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magna

remix of d/1323 by u/magna

function u(t) {

e=1e3;(i=new Image).src=c.toDataURL('image/jpeg').replace(eval(`/(.{${t%e+e}})./`),'$1');x.filter='sepia(.02)';x.drawImage(i,0,0,1920,1100);

Mar 1 2017 4:00 AM UTC

}// 140/140

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Candy Falls - Requires Chrome

u/magna

Starting off with a blank canvas, I introduce some artifacts by damaging the JPEG export. And then the rest comes through an interesting interplay of JPEG artifacts and sepia filter artifacts, and stretching the image while pasting it back.
u/magna

Seems to be broken on latest version on Chrome.

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danny@hille.dk

remix of d/20689 by u/yonatan

function u(t) {

q=c.width=99;for(m=28;m--;x.fillStyle=R(q,q,m*9))for(n=i=q;i--;x.fillRect(i,a*(25-m),2,q))for(a=j=3;j--;a+=S((t/m*q+i)*S(m*k)*k/9)/k)k=4**j

Nov 18 2020 7:38 PM UTC

}// 140/140

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better?

u/danny@hille.dk

-2 bytes ->q=c.width=99;for(m=28;m--;x.fillStyle=R(q,q,m*9))for(i=q;i--;x.fillRect(i,a*(25-m),2,q))for(a=j=3;j--;a+=S((t/m*q+i)*S(m*k)*k/9)/k)k=4**j

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tomxor

remix of d/15316 by u/taupelink

function u(t) {

for(a=b=0,i=1e4*(t<8);i--;x.fillRect(a*640-160,b*640+240,1,.05)) 
r=0|4*Math.random(),
a+=.3*(r-a+b*S(a*3.14)),
b+=.3*(1-a*b+C(a*3.14))

Aug 8 2019 10:10 PM UTC

}// 135/140

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Chaos Photographer, Pic 1

u/DataMeta

#organic
u/magna

#waitforit
u/iverjo

#art
u/yonatan

animated version: https://twitter.com/zozuar/status/1218899130…

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Leodude123

remix of d/21769 by u/Leodude123

function u(t) {

c.width=b=255
a=T(t)*85
for (var i = 0; i < 55; i++) {x.fillText('timeeeeeeeeeeeeeeeeeeeeeeeeeeeeeee',a-50,i,a),x.fillText('timeee',a,99)

}

Jul 29 2021 1:00 PM UTC

}// 140/140

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ketolli

function u(t) {

c.width=a=1920;for(i=0;i<a;i++)x.fillRect((C(i)+0.5)*a,C(t+i*10)*200+i,i/90,i/3)

Apr 26 2021 8:30 AM UTC

}// 81/140

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Interlaced Tentacles

u/Xen

nice style
u/ketolli

Thanks!

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ellisk1

function u(t) {

T=t%6*4;if(T<.2)c.width+=0;for(i=T;i<19;i++)x.fillStyle=R(0,0,0,(T+19)/3e3),w=250*(2+C(i/3))*C(T/8+i/12),x.fillRect(960-w/2,30+50*i,w,50)

Jan 3 2018 7:58 PM UTC

}// 137/140

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u/sigveseb

woooow hourglass!