Dweets awesomed by u/tomxor

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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robbyg

function u(t) {

for(s=24,H=80;H--;)for(V=45;V--;x.fillRect(H*s,V*s,s,s))x.fillStyle=C(V-t*9)>C(V*H)?'#7be':'#36c'

Jun 24 2020 6:33 PM UTC

}// 97/140

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Reminds me of an 8-bit waterfall.

u/Xen

love it!
u/aleamb

#waterfall

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Irratix

function u(t) {

rowAmt = 10
c=(n,k)=>k?n*c(n-1,k-1)/k:1
if(t){n=[];for(i=-1;i++<rowAmt;n[i].push("\n"))for(n[i]=[],j=-1;j++-i;n[i][j]=c(i,j)+" ");throw(n)}

Jun 23 2020 8:49 PM UTC

}// 139/140

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Pascal's Triangle. Could easily be shorter (probably)

u/Irratix

Still had a lot of room left, so I made an easily visible rowAmt variable for you to tweak :D
u/tomxor

I used this same little function recently for the intensities in simulated NMR multiplets. Pretty sure this is the shortest math.

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tomxor

function u(t) {

for(c.width=128,i=1e4;i--;x.fillRect(X=i&127,Y=i>>7,1,C(u[i]=(u[i]||0)+(T&&(K=16-Math.hypot(T.x/4-X,T.y/4-Y))>0?K/64:0))))onmousemove=e=>T=e

Jun 19 2020 3:33 PM UTC

}// 140/140

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Spooky #paint O_o

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katkip

function u(t) {

eval(unescape(escape`𩠽𚁸𛁹𛁮🐹𚐽🡮🠰🱦𚀲𚡸𚡹𛑓𚁸𚐪𠰨𜰪𮐩𛁸𚡸𚱹𚡹𚰮𜰬𫠭𜐩𞡓𚁸𚡹𚐾𜀊𬐽𮀽🡍𨑴𪀮𬡡𫡤𫱭𚀩𛐮𝐻𩡯𬠨𪐽𞐹𞐻𪐭𛐻𚑦𚁘👱𚀩𛁙👱𚀩𚐿𮀮𩡩𫁬𤡥𨱴𚁘𚠱𩐳𚰹𝠰𛁙𚠱𩐳𚰵𝀰𛀴𛀴𚐺𜀠`.replace(/uD./g,``)))

Jun 19 2020 1:16 PM UTC

}// 119/140

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rocket f=(x,y,n=9)=>n>0?f(2*x*y-S(x)*C(3*y),x*x+y*y+.3,n-1):S(x*y)>0 q=x=>Math.random()-.5;for(i=999;i--;)f(X=q(),Y=q())?x.fillRect(X*1e3+960,Y*1e3+540,4,4):0

u/Xen

nice!
u/aleamb

yeah!
u/sigveseb

Cool!

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ntsutae

function u(t) {

c.style.filter=`invert(`
for(c.width|=X=Y=0,i=2e3;X=C(a=(i/99^0)*6-Y+t)-S(b=X-t+a/40),Y=S(a)-C(b),--i;)x.fillRect(X*480+960,Y*270+540,5,5)

Jun 17 2020 9:31 PM UTC

}// 139/140

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inspired by https://twitter.com/yuruyurau/status/1227244…

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tomxor

remix of d/19162 by u/katkip

function u(t) {

f=(x,y,n)=>n?f(S(x*2+t)-C(y*2-t),C(x*2-t)-C(y*2+t),n-1):S(x+y)
for(c.width=160,i=24e3;i--;)
x.fillRect(X=i&255,Y=i>>8,1,f(Y/64,X/64,5))

Jun 17 2020 3:48 PM UTC

}// 135/140

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Liquid Metal

u/tomxor

I wanted to see it move O_O this function is pretty cool katkip
u/katkip

Thx :)

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tomxor

remix of d/19162 by u/katkip

function u(t) {

f=(x,y,n)=>n?f(S(x*2+1)-C(y*2),C(x*2-1)-C(y*2),n-1):S(x+y)
for(n=8,i=n*1920;i--;)
x.fillRect(X=i%1920,Y=i/1920+n*t*60,1,f(Y/640,X/640,5))

Jun 17 2020 3:47 PM UTC

}// 137/140

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u/13thptr

nice and polished

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katkip

remix of d/19177 by u/katkip

function u(t) {

eval(unescape(escape`𩠽𚁸𛁹𛁮🐹𚐽🡮🠰🱦𚁹𛑓𚁸𚱹𛰹𚱴𚐬𮀭𠰨𮐭𮀯𞐭𭀩𛁮𛐲𛑃𚁴𛰳𚐩𞠨𤰨𮀩𚱃𚁹𚐩𚠱𜠸𚰱𜠸𒡦𫱲𚁩🐳𞀵𞱩𛐭𞰩𮀮𩡩𫁬𤱴𮑬𩐽𤠨𩠨𪐯𞐬𭀪𝐩𛁦𚁩𛰹𛁴𚠵𛀸𚐬𩠨𪐯𞐬𭀪𝐬𝰩𚐬𮀮𩡩𫁬𤡥𨱴𚁩𚠵𛀰𛀵𛀵𚐻𮀮𩁲𨑷𢑭𨑧𩐨𨰬𜀬𝐩`.replace(/uD./g,'')))

Jun 17 2020 9:27 AM UTC

}// 135/140

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glitched fluid

u/tomxor

Now that's some funky shit!
u/katkip

hehe, thanks

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katkip

remix of d/19176 by u/katkip

function u(t) {

f=(x,y)=>S(y/4)*S(x/4)<0?S(x*4):C(y*4)
for(i=385;i--;)x.fillStyle=R(z=f(i/4,t*15)*120+128,z,z),x.fillRect(i*5,0,5,5)
x.drawImage(c,0,5)

Jun 17 2020 8:06 AM UTC

}// 135/140

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Anechoic chamber #katkweet

u/tomxor

WHAAAT? 👂

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dull_pixel

remix of d/18440 by u/rodrigo.siqueira

function u(t) {

for(i=2e3,f=(X,Y,n=6)=>Y<20?f(X*X-Y*Y-.8,2*X*Y+.2,n+.16):x.fillStyle=`hsl(${i/7},100%,${n*n}%`;i--;x.fillRect(i,t*60,1,999))f(i/480-2,1-t/9)

Jun 17 2020 7:58 AM UTC

}// 140/140

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Just a spiky rainbowww

u/dull_pixel

d/1

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