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/33985 by u/BriSeven

function u(t) {

a=(T=t*500)%6280/100
X=.5+(r=T/9e4%1)*C(a)
Y=.5+r*S(a)
H=43758.5453*S(1e3*X+1e4*Y)
D=1-Y+.5*(H-(H|0))-.25
x.fillRect(2e3*X,2e3*Y,t*D,t*D)

Jun 12 2025 6:06 AM UTC

}// 137/140

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Mosaic Dawn

u/cantelope

#slowdraw

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BriSeven

remix of d/33984 by u/BriSeven

function u(t) {

X=Math.random()
Y=Math.random()
H=Math.sin(1e3*X+1e4*Y)*43758.5453;D=1-Y+(H-Math.floor(H))*.5-.25;x.fillRect(X*120*16,Y*68*16,D*16,D*16)

Jun 12 2025 4:21 AM UTC

}// 136/140

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spatternoise

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BriSeven

remix of d/33983 by u/BriSeven

function u(t) {

T=t*60;for(i=0;i<120;i++){X=i/120;Y=T/68;H=Math.sin(1e3*X+1e4*Y)*43758.5453;D=1-Y+(H-Math.floor(H))*.5-.25;x.fillRect(i*16,T*16,D*16,D*16)}

Jun 12 2025 4:11 AM UTC

}// 139/140

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cubonoise

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BriSeven

function u(t) {

T=t*60;for(i=0;i<1920;i++){X=i/1920;Y=T/1080;H=Math.sin(1e3*X+1e4*Y)*43758.5453;D=1-Y+(H-Math.floor(H))*.5-.25;x.fillRect(i,T,D,1)}

Jun 12 2025 4:09 AM UTC

}// 131/140

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pseudonoise

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BriSeven

function u(t) {

[T,i]=t[0]?t:[t,0,c.width|=0]
x.fillRect(400+i*100+S(T)*300,400,50,200) 
if(i<9)u([T,i+1])

May 27 2025 5:39 AM UTC

}// 91/140

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Recursive #default

u/cantelope

#recursion
u/BriSeven

slightly tighter version
u/BriSeven

[t,i]=t[0]?t:[t,0,c.width|=0];x.fillRect(400+i*100+S(t)*300,400,50,200);i<9&&u([t,i+1])

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BriSeven

remix of d/33822 by u/rodrigo.siqueira

function u(t) {

x.fillRect(0,0,i=1e4,i)
for(s="M960 250";i--;s+=`l${C(a=S(i/250)*i+C(i/112-t/2))*4} ${S(a)*4}`)x.strokeStyle="white"
x.stroke(new Path2D(s))

May 22 2025 4:17 AM UTC

}// 140/140

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Smooth Lines

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BriSeven

remix of d/33822 by u/rodrigo.siqueira

function u(t) {

eval(unescape(escape`景爨砮晩汬剥捴⡶㵴┲簰Ⱳ㵳㵰㵱㴰Ⱪ㵶㼵攳㨱攴Ⱪ⤻椭ⴻ砮捬敡牒散琨㤶〫爪⡷㵴┸簰⤬⡶⬱⤪㈵〫焪眬琥㐫ㄬ琥㐫ㄩ⥲⬽䌨愽瘿匨椫琯椯㈩⩩⭓⡩⼱ㄲ⭴⼳㈯椩㩓⡩⼲㔰⤪椫䌨椯ㄱ㈭琯㈩⤬焫㵓⡡⤠`.replace(/u([^D].)/g,'$1%')))

May 22 2025 3:40 AM UTC

}// 140/140

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french surrealist film editing

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BriSeven

remix of d/33772 by u/marquisdegeek

function u(t) {

for(J=c.width|=I=2e3;I--;"πῸ㿼㦜㿼๰ᦘరπῸ㿼㦜㿼٠ධ「".charCodeAt(8*(3*t&1)+(P=I/(T=16))/T)&1<<P%T&&x.fillRect(J+J*S(t+V)+P%T*T,120*t-99*V+P,9,9))V=I%T

May 12 2025 8:46 AM UTC

}// 140/140

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Golfed to fit

u/marquisdegeek

Storing the gfx data like that is sweet! So nice to see if without obfuscation!
u/BriSeven

if you deduplicate the symmetry, rotate it (so that it is 8 rows of 16 pixels), and prune out the two rows that then are just zeros... we can shave the graphics data all the way down to 鰜鹞廾皶㜷彟
u/BriSeven

which would be worth it if you can find a way to undo all that which isn't more code than the characters we save

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BriSeven

remix of d/33722 by u/warbino

function u(t) {

eval(unescape(escape`挮獴祬攽≦楬瑥爺扬畲⠸灸⥩湶敲琨∊景爨爽〬樽㐰㭪ⴭ㭸⹦楬汓瑹汥㴢⌢⬢䙆う䘢⹳畢獴爨樥㌬㌩⥦潲⡩㴹〻椭ⴻ砮晩汬剥捴⡪⨵〬椪㤰ⴶ〰ⱛ爬爬牝孪┳崥㠰ⰵ〩⥲⬽⡩⭪⤪⨳⩓⡩⭴⭪⤻`.replace(/u([^D].)/g,'$1%')))

May 7 2025 6:23 AM UTC

}// 135/140

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Broken CRT

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BriSeven

remix of d/33687 by u/BriSeven

function u(t) {

eval(unescape(escape`景爨挮睩摴桼㴰ⱴ籼⡤㵢㵘㵙㴱㘰ⱡ㵛崩ⱙ㰨慛ぼ塝㼿搩㼨夫⬬堽⡘⭓⡢㵴⭢⭘ⵙ⤫搩╤⤺⡡嬰籘崽⡡嬰籘嵼籤⤭ㄬ夽〩Ⱪ㵤㭩ⴭ㬩砮晩汬剥捴⠱㈪⡩籼堩ⰶ⨨椿慛楝㩙ⴱ⤬ㄲⰶ⤠`.replace(/u([^D].)/g,'$1%')))

May 2 2025 5:06 AM UTC

}// 130/140

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Improved snowfall

u/BriSeven

c.style="filter:invert(" for(c.width|=0,t||(d=b=X=Y=160,a=[]),Y<(a[0|X]??d)?(Y++,X=(X+S(b=t+b+X-Y)+d)%d):(a[0|X]=(a[0|X]||d)-1,Y=0),i=d;i--;)x.fillRect(12*(i||X),g=6*(i?a[i]:Y-1),12,i?d*6-g:6) inverted

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