Top dweets of all time

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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lewdev

function u(t) {

for(c.width|=0,x.font="200px s",i=0;i<99;i++)
y=i%4,m=t%2e3%5,x.fillText("🏃",m>1.6&&m<1.9?-(t*100)+i*100:500*-t%2e3+(i*100),120+y*300)

Oct 18 2021 11:59 PM UTC

}// 134/140

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🦑🎮 Red light, Green light. I'm having trouble making them pause. Does this count as #ScaryMovie ?

u/pavel

Nice idea. Play around with this for(c.width|=i=32,x.font="5cm'";q=i*i--;)x.fillText("🏃",2e3-(i+177*(C(a=C(b=t/2+S(q)/5)+b)+a+q))%300*9,1e3-32*i)
u/lewdev

OMG, you're a genius! Thanks!

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FireFly

remix of d/24124 by u/FireFly

function u(t) {

Z='♜♞♝♚♛♝♞♜♟♟♟♟♟♟♟♟',eval(unescape(escape`𭱩𭁨𚁸𚑦𫱲𚁩👷🐱𜠸𞱩𛐭𞱦𪑬𫁓𭁹𫁥👒𚁩𙐲🱦𪑬𫁒𩑣𭀨𦀽𪐥𜐶𚠶𝀬𦐽𪐪𞀦𛑷𛁭👘𚱙𙡷𛁭𚑼𭰺𩡩𫁬𥁥𮁴𚁚𦱩𛰲𧠨𪐾𝠴𚐪𝠳𧑼𯀧𙰬𦀬𦐫𭰩𚐩𩡯𫡴🐧𝁣𫐢𙰊`.replace(/u../g,'')))

Oct 18 2021 10:13 PM UTC

}// 129/140

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#chess board

u/FireFly

I've stared at this for too long... don't think I can get it below 146 decompressed (with Z inlined). Would be rad if we could squeeze those last characters out though and get it down to 140 without compression :)
u/tomxor

I have an imperfect 142
u/Agnes

This is 145 but I don't remember if the new indexing is actually shorter or not than yours: for(i=w=128;i--;x.fillStyle=R(i%2?x.fillRect(X=i%16*64,Y=i*8&-w,m=X+Y&w,m)|w:x.fillText('♜♞♝♚♛♝♞♜♟ '[Y++%7?++Y%5?9:8:i/2%8],X,Y+w)))x.font="4cm'"

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rep_movsd

function u(t) {

E='◜◝◞◟'
eval(unescape(escape`𦠽𢰽🡸𛡦𪑬𫁔𩑸𭀨𡑛𢱝𛁘𚱛𛐳𛀭𡀬𛑄𛀭𜱝𦱋𧐬𦐫𦱎𛁎𛀳𛀳𧑛𢱝𚐊𭁼𯀨𦀽𦐽𜀩𒡸𛡦𫱮𭀽𨀶𩑭𙱠𛁄🐳𝠬𮀮𨱬𩑡𬡒𩑣𭀨𦀭𡀬𦐭𜠴𛁎🐷𜠬𣠩𒡃𚁴𚡘𚐾𜀿𦠨𜰩𯁚𚀱𚐺𦠨𜠩𯁚𚀰𚐊𦀾𜡥𜰦𙠨𦐽𚁙𚱎𚐥𜐰𞀰𛁘🐰𚐊𦀫👎`.replace(/u../g,'')))

Oct 18 2021 7:39 PM UTC

}// 139/140

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#tessellation #unicode

u/magna

#truchet

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wwickedwicked

function u(t) {

e=12
a=.1/t^2
r=1/(e/1920)
for(Y=0;Y<r*9/16;Y++)for(X=0;X<r;X++){u=X*a
v=Y*a
x.fillStyle=R(((u^v)*t)%256)
x.fillRect(X*e,Y*e,e,e)}

Oct 15 2021 10:39 PM UTC

}// 130/140

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Eroding walls of Aliasing

u/wwickedwicked

Got carried away and added a resolution variable.

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ciaccodavide

remix of d/24049 by u/ciaccodavide

function u(t) {

for(m=Math,w=1920,h=1080,i=3e4;i--;)r=m.random,X=r(),Y=r(),d=m.hypot(j=.5-X,k=.3-Y),x.fillRect(w*X,w*Y,(9+m.atan2(j,k))%.3<.2|d<.1?d:9,t<9)

Oct 8 2021 12:28 PM UTC

}// 139/140

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Surrounded, casting shadows (or pillars, looking at the sky)

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rodrigo.siqueira

remix of d/24005 by u/rodrigo.siqueira

function u(t) {

for(i=k=680;--i;x.fillRect(k+S(i)*Y*i,v*i*9,q*Y,Y*i*v))f=i*t,X=f%3-1,Y=X*f%7-2,x.fillStyle=R(q=i*X,q*=X,q*=Y**2*t*q/i/X,i/q/q),v=.2**t

Oct 7 2021 6:42 PM UTC

}// 134/140

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Falling rectangles

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ArthurThuczsec

remix of d/24020 by u/magna

function u(t) {

Z=S(t/7)+3
for(i=w=c.width|=h=2e3;--i;x.fillRect(i-w/2,-h/3,A&Z,S(i+Z-A)**2*h))x.setTransform(k=C(A=S(t)+2)*Z,z=S(A)*Z,-z,k,w,h)

Oct 7 2021 5:37 PM UTC

}// 128/140

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magna

function u(t) {

w=c.width|=0
t||(a=Array(w).fill(i=0).map(Math.random))
for(j=w;--j;a[i]>a[j]&&(R=a[i],a[i]=a[j],a[j]=R))x.fillRect(j,0,1,a[j]*1080)
i++

Oct 6 2021 11:57 PM UTC

}// 136/140

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Unbelievable Sort https://twitter.com/petarv_93/status/1445743…

u/ciaccodavide

#sort
u/magna

My implementation allegedly has a flaw that doesn't match the cursed behaviour of the original algo, but I wasn't able to immediately see it.

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theonewhostands

remix of d/24013 by u/theonewhostands

function u(t) {

for(i=c.width|=0;i--;)x.arc(960-S(i/40-t*1),540+C(i/40-t*1)*40,i,6+S(t*1)*9,9-S(i/49-t*3)*9)
x.stroke()

Oct 6 2021 9:28 PM UTC

}// 103/140

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BackendForth

function u(t) {

c.width|=0
v=(p,q)=>x.lineTo(p*C(q-t)+960,p*S(q-t)+540)
x.beginPath()
for(i=-596;i<599;i+=.1)v((i<0)?-t*(-i)**.5:i**.5*t,(i*i)**.5)
x.fill()

Oct 6 2021 6:32 PM UTC

}// 140/140

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Fermat spiral

u/andrea270872

I love what that is doing to my eyes! :D