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/18368 by u/veubeke

function u(t) {

x.fillStyle="#0001"
x.fillRect(960,540,C(100*t|0)*300,S(100*t|0)*300)

Apr 21 2020 7:17 AM UTC

}// 69/140

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u/sigveseb

#circlechallenge

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BriSeven

remix of d/18189 by u/BriSeven

function u(t) {

c.width*=1
for(i=t*20|0;i--;x.fillStyle=R(i/t*20))
x.fillRect(500+((m=i%2?65535:i/2)&(C(o=i/12.7/t+t)*t)+t)*(p=500/t),(m&(S(o)*t)+t)*p,p,p)

Apr 9 2020 1:35 AM UTC

}// 139/140

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fire brAND

u/BriSeven

plot a short segment of a circular arc, and also plot the coordinates after binary AND.

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BriSeven

remix of d/17963 by u/BriSeven

function u(t) {

c.width*=1
for(d=i=t|0;i--;)with(x)save(),translate(960,0),scale(C(a=6*i/d+t)*48,S(a)*2+48),fillStyle='#88A2',fillText('t',-3,15),restore()

Mar 16 2020 1:56 PM UTC

}// 139/140

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cup of t? #glass

u/sigveseb

Now that's cool
u/tomxor

Hehe, cheeky
u/pavel

Nice! (Check out setTransform to shorten this a bunch)
u/BriSeven

thanks for the tipo pavel

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BriSeven

remix of d/17751 by u/BriSeven

function u(t) {

if(!t)a=Array(1e4).fill(1);c.width*=1;x.stroke(new Path2D(`M900 600l${a.map((x)=>[C(x),S(x)])}`));a=a.map((x,i)=>x+S(t*i*x)/9)

Mar 2 2020 5:03 AM UTC

}// 126/140

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Mutating random walk as SVG Path data.

u/Odog8

protein folding?

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BriSeven

remix of d/17745 by u/veubeke

function u(t) {

c.width^=0,x.scale(30,30);x.fill(new Path2D(`M24 8c-2-2.2-6-2-8.2.2l-.4.4-.4-.4C13 6 9 6 7 8c-2 2-2.1 5.9.2 8l8 8 8.4-8.4c2-2 2-6 .2-8z`))

Feb 26 2020 12:54 AM UTC

}// 138/140

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SVG Path Tester

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BriSeven

remix of d/3498 by u/Xen

function u(t) {

t?x.fillStyle=R(t*9%X,t*9%Y):X=Y=255
for(i=9;i--;x.fillRect(X+i*250,Y%1e3,5,5))
X+=S(C(t)*11)/3
Y-=C(S(t)*11)*3
x.drawImage(c,C(t)/9,S(t)/9)

Nov 21 2017 4:56 AM UTC

}// 140/140

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u/Xen

nice effect

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BriSeven

remix of d/570 by u/BriSeven

function u(t) {

t=t%5;if(t<.1)r=X=Y=0,W=c.width=960,H=540;for(i=W*4;i--;)for(j=-1;j<2;j+=2)x.fillRect((X=(X+S(r+=C(t*i*r)/2))%W)*j+W/2,Y=(Y+C(r))%H,1,90/i)

Jan 1 2017 12:39 AM UTC

}// 139/140

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Rorschach with drips courtesy of 90/i

u/donbright

dude i love this...

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BriSeven

remix of d/17808 by u/BriSeven

function u(t) {

eval(unescape(escape`楦⠡琩愽䅲牡礨ㅥ㐩⹦楬氨ㄩ㭸⹳瑲潫攨湥眠偡瑨㉄⡠䴹〰‶〰氤筡⹭慰⠨砩㴾孃⡸⭴⤬匨砫琩崩絠⤩㭡㵡⹭慰⠨砬椩㴾砫匨琪椪砩⼹⤬砮汩湥坩摴栽㈰ⱸ⹳瑲潫敓瑹汥㵠桳氨⑻㤹⩴素㤹┵〥怠`.replace(/u([^D].)/g,'$1%')))

Apr 29 2025 3:53 AM UTC

}// 136/140

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Random walk rainbow windmill. Interesting things happen ias corner caps increase.

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BriSeven

remix of d/33625 by u/BriSeven

function u(t) {

eval(unescape(escape`吽晲慭攊䌽吥㔊刽启㕼《䄽䌪㈫㐊楦⠡琩愽《楦⠡䌩愽愾㸱ੌ㵍慴栮牡湤潭⠩⨲㰼㍼愾㹁ⴳ☷੖㴳㈰㠵㸾䰦ㄊ愽愦縨ㄼ㱁⥼嘼㱁੸⹦楬汒散琨ㄹ㈰ⵒ┲㔵⨹Ⱘ㔭䌩⨹⬨刯㈵㕼〩⨵㐬㤪嘬㤩`.replace(/u([^D].)/g,'$1%')))

Apr 23 2025 8:46 AM UTC

}// 133/140

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Kufic-esque Redux

u/BriSeven

Brought it down from 177 to 164 characters by switching the memory from an array to an int, and using bit shifting instead. Got rid of a lot of array operations by making my lookup index into 3 consecutive bits on the int. I saved enough bytes to be able to rearrange the offsets to fill the screen.
u/BriSeven

The dark underline on the previous go was a bug, a nice one. but unfortunately I ended up fixing it.
u/BriSeven

Oh, but you can recreate the bug by changing A=C*2+4 to A=C*2+2`
u/BriSeven

146.. so close! a=t?a:0 T=255 for(C=5;C--;x.fillRect(T*8-t*60%T*8,(5-C)*8+(t*60/T|0)*60,8*V,8))C||(a>>=1),A=C*2+2,V=32085>>(a*t&1<<3|a>>A-3&7)&1,a=a&~(1<<A)|V<<A;
u/warbino

@u/BriSeven 👍

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BriSeven

remix of d/24437 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('🏳️‍⚧️',-60,40)

Apr 3 2025 11:08 AM UTC

}// 130/140

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TDoV

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