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.

Try the new frontend: beta.dwitter.net
Current theme challenge: #Food

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joeytwiddle

remix of d/13782 by u/KilledByAPixel

function u(t) {

c.width=240,k=300;x.shadowBlur=9;x.shadowColor='#'+k;for(i=0;i<k;x.fillRect((i**4+t*i)%k-30,i%k+9*C(t+i)-9,w=i++?i%14:k,w))x.fillStyle='red'

Nov 5 2025 12:57 PM UTC

}// 140/140

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Red Blood Cells redux

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BuRRak

function u(t) {

eval(unescape(escape`漽季㴢≝㭲㵁牲慹⠹㤩⹦楬氨椽〩㭦潲⡪⁯映焩挫㴢牛楝⬫㬬牛楝ⴭ㬬睨楬攨牛楝⥻ⱽⱩ⬫㬬椭ⴻⱯ⹰畳栨牛楝⤻∮獰汩瑠Ⱡ嬢⬭孝㸼⸢⹩湤數佦⡪⥝㭥癡氨挩㭴桲潷⁓瑲楮朮晲潭䍨慲䍯摥⠮⸮漩`.replace(/u(..)/g,"$1%",q='')))

May 10 2021 9:50 PM UTC

}// 139/140

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Brainfuck interpreter, code goes inside the q variable. Everything but input is supported.

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KilledByAPixel

function u(t) {

for(i=1024;i--;)"؀0Ā@Ā@鲀섀AրÐﲀꢀçཀŸ樂ᵏ詣挨琙䰗鴇灜ᄌᡄヰކᄀDGg＀ﾀÿ羀ÿ㼀~⇀ǂ぀Ćྀø".charCodeAt(i/16)&1<<i%16&&x.fillRect(i%C*C,(i>>5)*C,C=32,C)

Jul 24 2019 7:00 PM UTC

}// 138/140

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Undertale ~ Sans

u/magna

Shave 3 chars: (i>>5)*C -> i&-31
u/KilledByAPixel

you can also do i>>5*C, but both ways distort the image
u/aleamb

#pixelart
u/Jasper

I don't rightly know why, but i&-32 seems to work without distortion as far as I can tell
u/KilledByAPixel

Oh wow, nice!

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username

remix of d/11703 by u/stellartux

function u(t) {

with(x){c.width^=0
font=`1in'`
translate(z=999,v=99)
for(i=0;i<z;i+=v)for(j=v;j<z;j+=v)rotate(C(z)),fillText('hi dwitter'+i,i,j+v*S(t+i*v))}

Sep 2 2019 11:11 PM UTC

}// 140/140

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look at the dweet smh

u/username

#randomremix no 25
u/username

#randomremix no 26

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Xen

remix of d/4136 by u/Exca

function u(t) {

for(i=2e3;i--;x.fillRect(S(t*3+i)*456*S(C(t*7)+i%89)+1e3*(i==0?-1:1),i,s=i==0?2920:9-d*8,s))d=C(t*i),x.fillStyle=R(i,0,i*t%i,.2)

May 24 2018 6:16 PM UTC

}// 128/140

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katkip

function u(t) {

eval(unescape(escape`挮睩摴栽ㄹ㈰㭦潲⡩㴰㭩㰳㠵㭩⬫⥻砮晩汬却祬攽∣〰〢㭸⹦楬汒散琨椪㈰ⱬ㴱〸〬㈰Ɱ㴭䵡瑨⹡扳⡃⡩⭴⼵⵴⽩⤪匨椪椩⨱攳⭴⤩㭸⹦楬汓瑹汥㴧⍦晦✻砮晩汬剥捴⡩⨲〬氬㈰Ɱ⬲〩紻`.replace(/u(..)/g,"$1%")))

Aug 24 2018 3:45 PM UTC

}// 130/140

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The first one annoys me. #bounce #gravity

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rodrigo.siqueira

remix of d/16086 by u/KilledByAPixel

function u(t) {

f=2e3;for(i=0;i<f;x.fillRect(i+T(t+i)*9-40,(i*i%5e5+!!i*t*99-t*5)%1089-9,Z=i?5+i%7:f,i++?Z:1089-t*5))x.fillStyle=i?'#fff6':'#2355'

Oct 15 2019 1:35 PM UTC

}// 130/140

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Snow storm

u/KilledByAPixel

☃️
u/aleamb

beautiful #landscape #snow #storm

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vinca

function u(t) {

eval(unescape(escape`景爨挮睩摴桼㵷㴱攳ⱸ⹦楬汒散琨〬〬㉥㌬㉥㌩ⱡ㴭㤻愼ㄵ㭡⬽⸲⥦潲⡩㴷㭩㸰㭩ⴽ⸲⥸⹣汥慲剥捴⡷⬨⡘㴨搽㘫匨愫琪㌩⤪䌨吨椩⭡⼹⤩⬨娽ⵘ⼳⭡⤯㌩⼨娭㴲〩⩷⼲ⰵ〰⭤⩓⡔⡩⤫愯㤩⽚⩷⼲ⰲ⭓⡴⭡⤬㈩`.replace(/u(..)/g,"$1%")))

Apr 17 2019 10:54 PM UTC

}// 140/140

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bokoskokos

function u(t) {

for(c.width|=0,i=0;i++<30;)for(p=9*i,d=-110,x.fillStyle=R(p,p,p),j=0;j++<40;)d+=w=50+9*i*C(d),x.fillRect(5*C(t/i)+d,40*i+30*C(j),w/2,1e3)

Jan 3 2018 2:28 PM UTC

}// 137/140

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u/sigveseb

It's like a city!

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magna

remix of d/2604 by u/magna

function u(t) {

for(i=c.width=w=192;i--;)for(j=w;j--;!!('ưưƠƀÃÇÏÏ'.charCodeAt(j&7^f*7)-w&1<<(i%8^(X+Y&1)*7))^f&&x.fillRect(i,j,1,1))X=i>>3,Y=j>>3,f=t*X/Y&1

Apr 26 2017 10:17 PM UTC

}// 139/140

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Filled truchet tiles, now animated thanks to shaving by @donbright

u/donbright

the thing that strikes me is the black and white balls never move, only their connections.... but it looks like the whole plane is aliv
u/magna

@donbright To achieve that: Starting with a single tile, every other tile is flipped on the X axis. And then to flip a tile, I need to both invert the tile's pixels and also to flip it on the Y axis. Lots of XOR was needed :)
u/sigveseb

Excellent
u/iverjo

#dots
u/magna

#truchet