Dweets awesomed by u/joeytwiddle

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.

Try the new frontend: beta.dwitter.net
Current theme challenge: #Food

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Blacklink

remix of d/14877 by u/Blacklink

function u(t) {

eval(unescape(escape`挮睩摴桼㴰㭦潲⡩㴰㭩㰱㤻椫⬩景爨樽〻樼㄰㭪⬫⥻砮晩汬却祬攽恨獬⠤筪⨳㕽ⰹ〥ⰵ〥总焽匨琫椪⸲⤻猽⸸⬮㈪焻瀽⡲㴱〰⤪猻砮晩汬剥捴⡲⩩⬵〪⠱⵳⤬㔰⭲⩪⬵〪⠱⵳⤫焪㈰ⱰⱰ⥽㬻`.replace(/u(..)/g,"$1%")))

Jul 1 2019 10:21 PM UTC

}// 131/140

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don't know why I made the first one's colours horizontal, brain didn't quite click :P

u/Xen

theres no rules lol, do whatever fits/(feels good)
u/joeytwiddle

Tweak: c.width|=r=100;for(k=200;k--;x.fillRect(r*(k%20),50+r*j+q*20,p,p))j=k/20|0,x.fillStyle=hsl(${j*35},90%,50%,q=S(t+k*.31),p=80+20*q
u/Blacklink

Well that's the thing Xen it didn't feel that good haha, also Joey nice tweak I'm still a bit of a novice when it comes to all the handy tricks in getting things more compact!

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username

remix of d/10914 by u/rodrigo.siqueira

function u(t) {

for(c.width=840,s=300;s--;)for(t+=.15,Q=t%4,i=(t^0)%6;i--;)x.arc(400+s*S(A=(Q*(Q<1)+i)*1.57),25+s/2*(C(A)+2),4,0,7)
x.stroke()

Jul 1 2019 9:16 PM UTC

}// 126/140

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#randomremix no 16 - it's a pyramid with circles swirling about it.. isn't that obvious?

u/Xen

looks like a sprite from some Egypt 2300 simulation game :-o
u/katkip

#pyramid

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veubeke

function u(t) {

with(x)t?(fillStyle='#fff',A=(Y,R,X=0)=>beginPath(arc(99+X,45+Y,R,0,7),fill(),stroke())||A,A(0,5)(1,5,10)(0,.5)(1,.5,9)(22,20)):scale(9,9)

Jul 1 2019 7:57 PM UTC

}// 138/140

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http://www.hurriyetdailynews.com/argentine-c…

u/joeytwiddle

#tribute
u/magna

:(

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taupelink

function u(t) {

t||(c.width=162,r=X=4567,s=Y=89,h=l=n=1,i=k=0)
r&&x.fillText(h+`x${X}+(${k})x${Y}=`+r,0,n++*9),q=r/s|0,[h,k,r,i,l,s]=[i,l,s,h-q*i,k-q*l,r%s]

Jul 1 2019 4:45 AM UTC

}// 140/140

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Extended Euclidean algorithm, to find h, k such that hX+kY=gcd(X,Y) #math #numbertheory

u/durian-favored-monster

i remember this in high school it was very cool! good job! this is the best text one i've seen
u/geb

EEA is so cool!

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taupelink

function u(t) {

c.width=500;p=37;a=2+t|0;for(n=0,m=a;++n<=p;)x.fillStyle=R((n-1)%(p-1)?0:255),x.fillText(n,270+(k=40+n)*C(z=m*6.28/p),140-k*S(z)),m*=a,m%=p

Jul 1 2019 1:21 AM UTC

}// 139/140

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Demonstration of Fermat's little theorem. Powers of 2, 3, 4..., modulo 37, arranged around a circle broken up into 37 equal arcs. #math #numbertheory https://en.wikipedia.org/wiki/Fermat%27s_lit…

u/donbright

p is 37?
u/taupelink

Yep, I picked an arbitrary prime number for demonstration purposes
u/donbright

awesp,e

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pavel

remix of d/14840 by u/pavel

function u(t) {

x.beginPath(x.lineWidth=FPS=p=Math.PI)
k=frame
k%2?n=99:(n=2+k/2,r/=C(p/n))
for(j=n+1;j--;)x.arc(960,540,t?r:r=60,a=2*p*j/n+11,a)
x.stroke()

Jun 30 2019 10:28 PM UTC

}// 140/140

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u/katkip

Wow! Perfect geometry

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pavel

function u(t) {

for(c.width=960,p=Math.PI,r=270,k=64;k--;)for(r*=k%2||C(d),n=j=k%2?7+k>>1:99;j--;x.arc(480,270,r,a=2*d*j-p/2,a))d=p/(n-1)
x.fill`evenodd`

Jun 29 2019 11:20 PM UTC

}// 137/140

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Vertex sphere

u/pavel

Based on Mathologers shirt: https://www.youtube.com/watch?v=O1sPvUr0YC0
u/KilledByAPixel

👍
u/Xen

oooooo nice
u/pavel

With more layers the middle circle does not shrink to nothing, it asymptotically approaches about 11% of the radius

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username

remix of d/14830 by u/pavel

function u(t) {

for(w=j=c.width|=f=o=>500*C(q=22/7/(3+-~o*5%8))/C((a+t)%(2*q)-q);a=44/7*--j/w;x.arc(960,540,f(t+1)*e+f(t)*(1-e),a,a))e=(t%1)**9
x.fill()

Jun 29 2019 7:01 PM UTC

}// 136/140

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find out what I changed. I mean you could use some diff software , but that is lame

u/username

here is the difference (if you can resist checking it out, you are a real ninja): https://jsfiddle.net/xbg7duzn/
u/joeytwiddle

I see it! Thanks to paste (undo redo) x N
u/username

wow, I tried to do it as well, but without knowing what it is, seems tricky

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katkip

remix of d/14831 by u/katkip

function u(t) {

for(c.width|=k=9;k--;)for(j=11;j--;){x.beginPath();for(i=4;i--;)x.fill(x.arc(160*j*1.2+C(i*1.6-t)*89,140*k+S(i*1.6-t)*89*C(j+k-t),0,0,0))}

Jun 29 2019 7:38 AM UTC

}// 138/140

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u/donbright

it would be hard to walk on this floor

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pavel

remix of d/14826 by u/KilledByAPixel

function u(t) {

for(w=j=c.width|=f=o=>500*C(q=22/7/(3+~~o*5%8))/C((a+t)%(2*q)-q);a=44/7*--j/w;x.arc(960,540,f(t+1)*e+f(t)*(1-e),a,a))e=(t%1)**9
x.fill()

Jun 29 2019 7:03 AM UTC

}// 136/140

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u/13thptr

smooth
u/katkip

wooow
u/KilledByAPixel

I knew pavel would make it better. ;)
u/KilledByAPixel

https://imgur.com/MDGvSaU
u/donbright

amazing

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