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.

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

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rodrigo.siqueira

remix of d/14654 by u/rodrigo.siqueira

function u(t) {

if(t<14)for(X=Y=S(t*3)*950,x.fillStyle=R(C(Y)*220,Y/9,S(Y)*Y/4),i=1e4;--i;x.fillRect(960+X+Y,380-Y+X,1,1))X=10+Y+Math.abs(Y=-X)/1.08

Jun 19 2019 7:35 PM UTC

}// 132/140

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The Gingerbreadman map is a discrete-timedynamical system. #gingerbreadman

u/joeytwiddle

Vitruvian man 🤚 Gingerbrad man ☝

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username

remix of d/13577 by u/vinca

function u(t) {

with(c.width|=0,x)font='30em"',translate(1e3,540),(a=(()=>fillText("Dwitter",-800,0)))(),transform(1,0,C(t)/5,-.7,0,3),fillStyle="#223",a()

Jun 19 2019 12:37 PM UTC

}// 139/140

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#randomremix no 13 - it was way too hectic. what about serenity?

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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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rodrigo.siqueira

remix of d/14639 by u/rodrigo.siqueira

function u(t) {

if(t<2){A=Z=a=b=-.1+t/15;s=90
for(i=1e4;--i;)x.fillStyle=R(a*50,b*30,S(b)*s),x.fillRect(800+a*s,310+b*s,.7,.6),
a=1-b+Math.abs(a),
b=A,A=a}

Jun 17 2019 1:59 PM UTC

}// 139/140

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The Gingerbread Man #attractor from dynamical systems theory. "The Gingerbreadman Map is chaotic in the filled region and stable in the six hexagonal regions."

u/katkip

#chaos
u/rodrigo.siqueira

"Even the simplest mathe-matical expressions, when interpreted as dynamical systems, yield fractals." (Robert L. Devaney) #gingerbreadman

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katkip

function u(t) {

eval(unescape(escape`𨰮𭱩𩁴𪀪🐱𞱴𯁼𚁱🐰𚐻𩠽𚁡𛁢𛁣𛁤𚐽🡻𨐫👃𚁣𚐪𩀬𨠫👓𚁣𚐪𩀬𞐬𞐻𩀾𜐿𩠨𨐬𨠬𨐪𨠪𨰯𜑥𞐫𨰪𜠬𩀯𜠩𞡸𛡦𪑬𫁒𩑣𭀨𨐬𨠬𜰬𜰩𯐻𩡯𬠨𪐽𝀹𞐹𞱩𛐭𞰩𩠨𞐶𜀬𝐴𜀬𬐬𜠵𜀩𛁱𚰽𛠰𜀴`.replace(/uD./g,'')))

Jun 15 2019 12:46 PM UTC

}// 117/140

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Chaotic movement spirograph fractal #fractal #spirograph #chaos

u/magna

Awesome!
u/joeytwiddle

Pretty cool. Has an alien #organic feel to it.

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katkip

function u(t) {

eval(unescape(escape`𨰮𭱩𩁴𪀪🐱𞱩𩠨𘑴𚑻𮠽𦱝𞱦𫱲𚁩🐹𞐻𪐭𛐻𚑦𫱲𚁪🐹𞐻𪠭𛐻𚑺𛡰𭑳𪀨𮱸𞡩𛁹𞡪𛁺𞠱𯐩𯐊𩡯𬠨𬐠𫱦𘁺𚑸𛡦𪑬𫁒𩑣𭀨𝐰𜀫𚁱𛡸𚰽𤰨𬐮𮠩𚐪𞐬𜐰𜀫𚁱𛡹𚰽𠰨𬐮𮠩𚐪𞐬𝠬𝠩𛁱𛡺𚰽𠰨𬐮𮀪𬐮𮐯𝀹𞐹𚐠`.replace(/uD./g,'')))

Jun 15 2019 10:16 AM UTC

}// 124/140

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#chaos

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taupelink

function u(t) {

f=(a,b,n)=>b?(a>=b?
(x.fillStyle=R(25*n),
x.fillRect(X,Y,b,b),X+=d?0:b,Y+=d?b:0,f(a-b,b,n+1))
:(d=!d,f(b,a,n+1))
):0
d=X=Y=0;f(1920,1080,0)

Jun 13 2019 1:58 AM UTC

}// 139/140

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GCD(1920,1080)=120, the size of the smallest reddest square. Demonstration of Euclidean algorithm by subtraction, cf. https://en.wikipedia.org/wiki/Euclidean_algo… #math

u/taupelink

#recursive #recursion
u/taupelink

(120 is the side length, not the size)
u/donbright

#numbertheory
u/donbright

this is super interesting

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username

remix of d/13071 by u/Jezza

function u(t) {

c.width|=i=2e3;j=(t%5)**8
for(i;i--;x.rotate(t/64))x.transform(1,0,0,1,1e3/j,530/j),x.fillStyle=`hsl(${i*S(t)},99%,50%`,x.fillRect(i,i,i,i)

Jun 12 2019 5:06 PM UTC

}// 139/140

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#randomremix no 9 - random remix inception

u/magna

FUNKY!

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keithclark

remix of d/14463 by u/keithclark

function u(t) {

for(o=[c.width=i=480];i--;o[i]=[C(t+=w=140)*C(i),S(t)*C(i),S(i)]);for([Z,X,Y]of o.sort())Z-=1.5,x.fillText('🔵',240+w*X/Z,w+w*Y/Z,14-Z*Z*2)

Jun 12 2019 4:47 PM UTC

}// 138/140

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rodrigo.siqueira

remix of d/11562 by u/echo85

function u(t) {

for(I=1e3;I--;){for(X=I/250-3,Y=t/2-1.5,T=12;T=T-1;)U=X,X=X*X-Y*Y+I/250-3,Y=2*U*Y+t/2-1.5
X>1&&(x.fillRect(I*1.6,t*180,3,3))}

Jun 10 2019 3:01 AM UTC

}// 125/140

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Mandelbrot set with different border #mandelbrot #fractal

u/Xen

Love it!