Dweets awesomed by u/f8f82804

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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loktar

function u(t) {

eval(unescape(escape`𘑴𙠦𚁚👙🐵𝀰𚐬𮀮𬱨𨑤𫱷𠱯𫁯𬠽𨁲𩱢𨐨𜠵𛀱𝀬𜀬𛠶𚑠𛁸𛡳𪁡𩁯𭱂𫁵𬠽𝐬𮀮𩡩𫁬𤱴𮑬𩐽𨁲𩱢𚀱𜰹𛀶𞐬𜐴𚑠𛁸𛡢𩑧𪑮𤁡𭁨𚀩𛁸𛡡𬡣𚁚𚰽𠰨𜠪𭀫𜠪𣑡𭁨𛡲𨑮𩁯𫐨𚐩𛁙𚰽𤰨𜠪𭀩𛀵𝀰𛐶𜀪𭀬𜀬𜠪𣑡𭁨𛡐𢐩𛁸𛡦𪑬𫀨𚐻`.replace(/uD./g,'')))

Jun 20 2019 2:18 PM UTC

}// 132/140

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A bit crappy.

u/Xen

nice!
u/tactical_retard

#poop

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username

remix of d/12918 by u/vinca

function u(t) {

for(c.width|=i=5e2;i--;x.fillRect(1e3+A*S(j),535+A*C(j),D=i/37,D))j=i/9,A=(9*S(t*j/20)+C(20*j)+6)*30,x.fillStyle=R(i%99+156,(q=123)-i%q,q)

Jun 19 2019 1:00 PM UTC

}// 138/140

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#randomremix no 14 - did someone say golf?

u/katkip

not really but... #uncompressed nice

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pavel

function u(t) {

eval(unescape(escape`𩡯𬠨𨰮𭱩𩁴𪁼👦👧🐾𚁫𙐱𝠦𙠱𚱫𙐲𚠮𝀱𝀩𚡧𚁡🐮𝰸𝐴𚠨𪰫𜠯𚀱𚰱𩐳𚠪𚁴𙐱𚠴𛑩𚐩𚐩𛁫🐵𝰻𪐽𛐭𪰾🠴𞱸𛡦𪑬𫁒𩑣𭀨𞐶𜀫𝰰𜀪𦀯𮠭𬰬𝐴𜀫𝰰𜀪𦐯𮠭𬰬𬰪🐲𛁳𚐩𦱘𛁙𛁚𧐽𦱘👦𚁃𚐬𪐭𜠬𩠨𤰩𛁘𛁩𛐲𧐮𬱬𪑣𩐨𭀥𜰩𛁺🐳𚱚𛁳🐹𞐯𮠯𮠻`.replace(/u../g,'')))

Jun 19 2019 3:43 AM UTC

}// 139/140

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Rubik's Cube Movement

Show more comments…
u/pavel

191 for(c.width|=f=g=>(k%16&&1+k%2*.414)*g(a=.7854*(k+2/(1+1e3**(t%1*4-i)))),k=57;i=--k>>4;x.fillRect(960+700*X/z-s,540+700*Y/z-s,s*=2,s))[X,Y,Z]=[X=f(C),i-2,f(S),X,i-2].slice(t%3),z=3+Z,s=99/z/z
u/katkip

too good.
u/username

Rubik's Cubes cannot move the middle layer
u/pavel

If you hold the sides the middle moves, no? How could it not!
u/pavel

Here are notation-only moves for(c.width|=f=g=>(k%16&&1+k%2*.414)*g(a=.7854*(k+y*2/(1+1e3**(t%1*4-i)))),k=57;i=--k>>4;x.fillRect(960+700*X/z-s,540+700*Y/z-s,s*=2,s))[X,Y,Z]=[y=i-2,X=f(C),f(S),y,X].slice(t%3),z=3+Z,s=99/z/z
u/username

Technically you are moving both sides at the same time in that case instead of moving the middle layer.
u/katkip

^
u/pavel

That's not what technically means. You have a mental model that only permits sides to move, and you have that model because adding middle rotations would be notationally redundant in that model. This does not mean middle rotations are somehow impossible or that they definitely consists of two side rotations.
u/username

Erm, the middle layer is attached to the core, that is what I mean. It is about the construction of a Rubik's Cube.
u/username

http://www.madehow.com/images/hpm_0000_0007_…
u/pavel

Still seems like this is a matter of perspective. You are chosing a perspective in which the core is always fixed, even though the motion I am describing specifically involves holding the two sides fixed and rotating the core... In my reference frame the core is rotating. So what if the core contains more parts than the side pieces when you take the cube apart?
u/13thptr

that escalated quickly
u/donbright

maybe they dont actually move like this... but they should!

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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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KilledByAPixel

remix of d/14570 by u/KilledByAPixel

function u(t) {

eval(unescape(escape`𮀮𩡩𫁬𤡥𨱴𚀰𛀰𛀲𩐳𛀲𩐳𚐻𭱩𭁨𚁸𚑦𫱲𚁩🐱𜠰𞱩𛐭𞱲𩑳𭁯𬡥𚁦𪑬𫁓𭁹𫁥👠𪁳𫀨𙁻𪐪𜰭𜰰𯐠𞐹𙐵𜀥𨀬𩡩𫁬𥁥𮁴𚀢𤁲𪑤𩐢𛀳𞐫𜠹𚡓𚁩𛰹𚱴𚠹𚐯𜠬𜑥𜰬𜐸𜰰𚐩𚑢𩑧𪑮𤁡𭁨𚁳𨑶𩐨𩡯𫡴🐢𝰲𩑭𘁩𫑰𨑣𭀢𚐩𛁣𫁩𬀨𬡥𨱴𚀰𛁩𚠹𛀲𩐳𛀹𚐩`.replace(/u../g,'')))

Jun 18 2019 9:36 PM UTC

}// 139/140

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Happy Pride Month!

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Xen

remix of d/14525 by u/rodrigo.siqueira

function u(t) {

for(I=1e3;I;x.fillRect(I--,t*199,X>1,3))for(W=X=I/250-3,Z=Y=t-1.5,T=9;T--;Y=2*U*Y+Z)U=X,X=X*X-Y*Y+W

Jun 17 2019 6:28 PM UTC

}// 99/140

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99byte dwitter #mandelbrot #fractal

u/13thptr

!
u/Xen

massive shoutz to rodrigo, nice clean code, couldn't of golfed this without him!
u/katkip

97 for(I=1e3;I;x.fillRect(I--,t*199,X>1,3))for(W=X=I/250-3,Z=Y=t-2,T=9;T--;Y=2*U*Y+Z)U=X,X=X*X-Y*Y+W

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KilledByAPixel

function u(t) {

c.width|=F=W=>250*W(b=i*.785)
for(i=8;i--;)
for(j=0;j<4;)
x[j++?'arc':'moveTo'](960+F(C),540+F(S),250,z=t/3+j/.637+b,z)
x.fill('evenodd')

Jun 16 2019 6:23 PM UTC

}// 137/140

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#beesandbombs 🐝 💣

u/katkip

perfection

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katkip

function u(t) {

q=4;for(i=212;i--;)x.beginPath(),x.fillStyle=['#DD1',R(),"#06D","#fff"][i%4],x.arc(260+C(i*q)*i+(t|0)*600,540+S(i*q)*i*2,i,0,7),x.fill();

Jun 16 2019 7:28 AM UTC

}// 137/140

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Move your eyes randomly to see them move #opticalillusion #illusion

u/joeytwiddle

I was not here

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KilledByAPixel

remix of d/14618 by u/KilledByAPixel

function u(t) {

eval(unescape(escape`𩠽𩡲𨑭𩐻𭱩𭁨𚁸𚑦𫱲𚁢𩑧𪑮𤁡𭁨𚁦𪑬𫁓𭁹𫁥🐢𘱃𠱃𘠩𛁦𪑬𫀨𨑲𨰨𩠪𜠷𜀭𝠵𞐬𝐴𜀫𜰵𜀪𤰨𩠪𜐮𝠩𛀱𜰰𛀰𛀷𚐩𛁩🐹𞐻𪐭𛐻𭀦𙡩𙐳𘐽𩠥𜱼𯁦𪑬𫁒𩑣𭀨𩠪𜠷𜀭𞀰𜀬𪐪𜐶𛁴🰴𞀰𞠴𩐳𛀱𝠩𚑦𪑬𫁓𭁹𫁥👩𙐳🱩𙐳🐽𜐿𘠣𜀰𡠢𞠢𘰰𡠰𘠺𘠣𡠰𜀢`.replace(/u../g,'')))

Jun 15 2019 7:07 PM UTC

}// 140/140

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3 Color Munker Illusion ~ All circles are same shade of grey #OpticalIllusion

u/joeytwiddle

fillStyle='#'+'00F00'.substr(i%3,3) although substr is deprecated
u/joeytwiddle

I think this one works better than the one on Twitter!
u/katkip

#illusion

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taupelink

function u(t) {

w=1920;h=1080;for(i=99;i--;){X=(r=Math.random)()*w,Y=r()*h
x.fillStyle=`hsl(${X/6-99*t%360},90%,${Y/12}%,.1)`
x.fillRect(X,h-Y,s=r()*99,s)}

Jun 15 2019 6:11 PM UTC

}// 139/140

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hsl color rotation with random rectangles

u/joeytwiddle

Stains: w=1920;h=1080;r=Math.random;for(i=99;i--;)X=r()*w,Y=r()*h,x.fillStyle=hsl(${X/6+999*t},90%,${Y/21+20}%,.013),x.fillRect(X,h-Y,s=r()*300,s)

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