Top dweets by u/BriSeven

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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BriSeven

remix of d/291 by u/iverjo

function u(t) {

t=t%4;if(t<.1)r=X=Y=0,W=c.width=960,H=540;for(i=W*4;i--;)x.fillRect(X=(X+S(r+=C(t*i*r))%W+W)%W,Y=(Y+C(r)%H+H)%H,A=5/(1+t*9),A)

Jan 1 2017 12:01 AM UTC

}// 126/140

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u/donbright

the gray scale is what makes this awesome

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BriSeven

remix of d/33661 by u/BriSeven

function u(t) {

eval(unescape(escape`挮獴祬攽❦楬瑥爺楮癥牴⠧ੲ㵴㽲㩘㵙㴸〰ⱗ㴲攳ⱈ㴱攳ⱸ⹦楬汓瑹汥㵠桳氨⑻㤹⩴素㤹┵〥怬砮晩汬剥捴⡘⬽㔪匨爫㵓⠨琫堩⩲⤯㈩ⱙ⬽㔪䌨爩ⱔ㴹⩓⡴⤬吩ⱘ㴨堥圫圩╗ⱙ㴨夥䠫䠩╈`.replace(/u([^D].)/g,'$1%')))

Apr 28 2025 4:06 AM UTC

}// 133/140

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Light painting

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BriSeven

function u(t) {

eval(unescape(escape`挮睩摴桼㵮㴶㐻景爨樽渻樭ⴻ⥦潲⡩㵮㭩ⴭ㭸⹦楬汒散琨ⴲ㔬㠰⭃⡡⨴⵴⨴〩⨳〭䌨㌪樯渫㤩⨵〬㈰ⰲ〩⥸⹦楬汓瑹汥㵒⠲㔵⵪⨳ⱪ⤬砮獥瑔牡湳景牭⡃⡡㴶⸲㠪椯渫琩⨲ⱓ⡡⤬ⵓ⡡⤪㈬䌨愩ⰹ㔰ⰵ〰⭪⨷⤠`.replace(/u(..)/g,"$1%")))

Apr 14 2020 11:28 AM UTC

}// 139/140

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A tasty bella pepper.

u/sigveseb

Mmm makes me hungry
u/BriSeven

Ages ago I had a super long dweet that I couldn't post, that was something like 3d lighted aliens made from randomized particles. The trickiest thing about them was the z-sorting. But, you kinda get that for free if you carefully draw in layers along the axis you're rotating on. Painter's algorithm in essence, but the data is structured so you don't have to run a sort.
u/BriSeven

one of these days I'll understand the BSP algorithm

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BriSeven

function u(t) {

c.width*=1
for(i=64;i--;)x.setTransform(C(n=t+C(t)*i/40)*2,S(n),-S(n)*2,C(n),950,400+i*5),x.font='5cm A',x.fillText([...'🤚'][i%1],-60,40)

Apr 6 2020 2:45 AM UTC

}// 137/140

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Jelly Hand

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BriSeven

function u(t) {

if(!t)d=[];c.width=1920;X=Y=0; for(i=0;i<1e4;i++) D=(d[i]||1),d[i]=D+S(D*t*i)/9, x.fillRect(X+=C(d[i])*5, Y+=S(d[i])*5, 5, 5)

Nov 23 2017 8:16 AM UTC

}// 125/140

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A mutating (pseudo)random walk.

u/magna

Awesome!
u/donbright

brilliant

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BriSeven

function u(t) {

eval(unescape(escape`吽㘰⩴簰㭃㵔┵㭒㵔⼵簰㭚㵒┲㭩昨ⅴ⥡㵛崻䄽䌪㈫娻䈽䌪㈫⅚㭡孁崽㄰㐹㔾㸨慛䈭㉝㰼㍼慛䉝㰼㉼慛䄭㉝㰼ㅼ⡍慴栮牡湤潭⠩⨲簰⤩☱㭸⹦楬汒散琨㉥㌭別㔵⨹Ⱘ㔭䌩⨹⬨刯㔵簰⤪㔵ⰹ⩡孁崬㤩㬠`.replace(/u([^D].)/g,'$1%')))

Apr 20 2025 3:14 PM UTC

}// 138/140

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Right to left square kufic-like

u/BriSeven

10495 is a magic number containing the rules; no diagonals, no solid 2x2 blocks

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BriSeven

remix of d/17784 by u/BriSeven

function u(t) {

with(x){for(beginPath(t||scale(9,9)),fillText('TARFS',160,99),i=2;i--;lineTo(6*j,11+j*j+11*S(4*j)))j=~~t+i;rect(1,-1,222,111);stroke()}

Apr 7 2025 12:03 PM UTC

}// 135/140

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Here we go again

u/magna

LOL. Awesome execution.
u/lewdev

Nice!

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BriSeven

remix of d/24454 by u/BriSeven

function u(t) {

c.width*=1
for(i=99;i--;x.setTransform(C(n=t+C(t)*i/9)*2,-S(n),S(n)*2,C(n),960,200+i*6),x.font='5cm a')x.fillText('😨',-C(i/3)*20,70)

Dec 7 2021 2:24 AM UTC

}// 132/140

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Getting put through the wringer

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BriSeven

remix of d/18155 by u/BriSeven

function u(t) {

c.width*=1
for(i=64;i--;)x.setTransform(C(n=t+C(t)*i/40)*2,S(n),S(n)*2,C(n),950,400+i*5),x.font='5cm A',x.fillText([...'🏳️‍⚧️'][i%1],-60,40)

Dec 4 2021 3:35 AM UTC

}// 140/140

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heisentrans

u/BriSeven

Canvas seems to… inconsistently support this emoji.

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BriSeven

remix of d/2351 by u/nonce

function u(t) {

c.width=600
x.font='9em a'
x.fillText(['🥃','🥛','🍷','🍸','🍹','🍺'][(_=~~(t/2))%6],620-(t*512&1023),250)
c.style.filter=`hue-rotate(${_*10}deg`

Mar 11 2020 5:54 AM UTC

}// 139/140

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#glass

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