Dweets awesomed by u/DataMeta

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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KilledByAPixel

function u(t) {

r=X=>S((X|0)**(Y|0))
l=_=>r(X)*(1-X%1)+X%1*r(X+1)
f=_=>(1-Y%1)*l()+Y%1*l(Y++)
for(i=1920;i--;x.fillRect(i,Y=frame,q=2*f(X=i/29+1,Y/=29),q));

Jun 27 2019 4:22 PM UTC

}// 140/140

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Noise Maze

u/katkip

wow

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KilledByAPixel

remix of d/14763 by u/KilledByAPixel

function u(t) {

c.width|=0
with(x)for(j=50;j--;)for(beginPath(i=99);i--||stroke();)arc(j%10*192+96,50+96+(j/10|0)*192,96,q=i*.0641,(q*j+t)%(Math.PI*2))

Jun 25 2019 9:46 PM UTC

}// 135/140

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Iris Variations

Show more comments…
u/loktar

Awesome!
u/Xen

LOVE IT!
u/donbright

ok thats it. Internet is now complete. no need for anything else
u/magna

#multidweet
u/KilledByAPixel

Mathologer video about this: https://www.youtube.com/watch?v=qhbuKbxJsk8
u/KilledByAPixel

https://www.fxhash.xyz/generative/2216 #fxhash

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KilledByAPixel

remix of d/14751 by u/KilledByAPixel

function u(t) {

with(x)for(i=219;i--;fill())for(beginPath(j=3);j--;arc(960,540,i*9,a=j/.477+S(i/2+t)/2+.52,a))fillStyle=`hsl(${i-t*19} 99%${30+S(i)*30}%`

Jun 25 2019 4:39 PM UTC

}// 137/140

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▲Triangle Twister▼

u/loktar

Love it!
u/magna

Pretty!
u/aleamb

love it!

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KilledByAPixel

function u(t) {

with(x)beginPath(save(restore(font="9em'"))),translate(960,540),rotate(-t),moveTo(0,0),clip(arc(0,0,3e3,1.56,1.58)),fillText(u,-t*12*t,t*20)

Jun 24 2019 7:42 PM UTC

}// 140/140

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Spiral #quine #slowdraw

Show more comments…
u/Xen

very clever!
u/jylikangas

And creative!
u/katkip

#genius
u/KilledByAPixel

Thank you, this one came to me in a dream.
u/katkip

#slowrender
u/iverjo

#waitforit
u/KilledByAPixel

Full explanation on my blog: http://frankforce.com/?p=6232
u/magna

This is great!

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KilledByAPixel

remix of d/14627 by u/KilledByAPixel

function u(t) {

x.fillRect(0,0,c.width|=0,2e3)
x.fillStyle="#5CF"
for(i=8;i--;x.arc(960+250*C(b),540+250*S(b),250,z=t+b,z+3.142))b=i*.7854
x.fill('evenodd')

Jun 22 2019 6:05 PM UTC

}// 140/140

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Half Circle Pinwheel

u/katkip

#flower

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taupelink

function u(t) {

c.width|=0,x.font="300pt sans",z="ACT I",p='🔫',s=(t%22/3)|0,s>5&&(s=5)
x.fillText([z,p,z+'I',p,z+"II",'💥'+p][s],99*[4,9,4,9,3,5][s],650)

Jun 22 2019 4:24 AM UTC

}// 137/140

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Chekhov's water pistol emoji. #silly

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loktar

function u(t) {

eval(unescape(escape`𩡯𬠨𮐽𘑴𙠦𦰰𧑼𯁹𛁷🐲𩐳𛁨🐱𜀸𜀬𪐽𜐬𮀮𩁲𨑷𢑭𨑧𩐨𨰬𜀬𜀬𭰬𪀬𜀬𛐱𛁷𛁨𚐻𪐼𭰻𚑹𦱩𧐽𭀦𙠨𮑛𪑝𚰹𚡍𨑴𪀮𬡡𫡤𫱭𚀩𚱹𦱩𛐱𧐩𛰭𜡼𯀭𮑛𪐭𜑝𛁌🐲𜀪𮑛𪑝𛁸𛡦𪑬𫁓𭁹𫁥👠𬡧𨠨𜀬𙁻𣁽𛀤𮱌𯐩𨀬𮀮𩡩𫁬𤡥𨱴𚁩𛁨𛀱𛀭𮑛𪑝𚐬𪐫𚰻`.replace(/uD./g,'')))

Jun 19 2019 11:09 PM UTC

}// 138/140

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Just a random scroller original vs is from 2013, https://codepen.io/loktar00/details/BCEvp

u/KilledByAPixel

good texture
u/Xen

very nice!
u/katkip

looks like #waves
u/magna

#texture

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veubeke

function u(t) {

V=t?[Math.random()*48|0,...V.slice(0,c.width=480)]:[]
for(i=48;i--;x.fillRect(i*10,260,9,-S*9))S=0,V.map(v=>S+=v==i),x.fillStyle=R(99+S*9)

Jun 19 2019 8:30 PM UTC

}// 138/140

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Random number distribution

u/username

seems flawed
u/veubeke

Because it’s showing the last 480 numbers. If you accumulate more data it eventually evens out.
u/joeytwiddle

#random numbers are more likely to coincide than fall evenly. Coincidences are almost guaranteed! https://en.wikipedia.org/wiki/Birthday_probl…

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taupelink

function u(t) {

f=j=>x.fillRect(448+(j&255)*4,(j>>8)*4,4,4)
t||(p=Array(N=4**8).fill(n=1),f(0),f(1))
if(p[++n])for(i=1;(q=++i*n)<N;)p[q]=0,f(q),M=n;throw M

Jun 19 2019 2:39 AM UTC

}// 139/140

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Sieve of Eratosthenes. Throws primes less than 65536. Row Y Column X stays unfilled if 256*Y+X is prime. #math

u/Xen

clever
u/donbright

#primes #numbertheory
u/taupelink

maybe #sieve is a worthwhile hashtag too!

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Xen

remix of d/14649 by u/veubeke

function u(t) {

t?x.rotate(i=M=(6+Math.random()-t/4)*99):x.translate(960,540)
for(;i-->0;x.fillRect(i,i,M/9,t))x.fillStyle=`hsl(${t},99%,${M/9+50/M*i}%)`

Jun 18 2019 12:04 AM UTC

}// 137/140

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🐌 [V] ❤️

u/Xen

#waitforit
u/joeytwiddle

Waiting for the T() and drawImage(). Is this beautiful thing really a Xen dweet?
u/veubeke

<3
u/magna

#flower
u/username

d/14685 is what you probably expected u/joeytwiddle

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