Dweets awesomed by u/neimad

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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pavel

function u(t) {

c.width|=f=k=>(1-3/(4+9e9**(i-.5-t%4)))*w*(-2/(i+k&3)|1)-w/2
for(i=5;i--;x.rect(960+f(2),540+f(1),w,w))w=2**(i?7+t/4%1:12)
x.fill`evenodd`

Jul 18 2019 4:05 AM UTC

}// 138/140

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St[a]ck (https://www.reddit.com/r/perfectloops/commen…)

u/KilledByAPixel

👍
u/Xen

love it
u/metamero

omg so satisfying
u/iverjo

#perfectloop
u/katkip

Awesome!

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pavel

function u(t) {

eval(unescape(escape`𩡯𬠨𫀽𨰮𭱩𩁴𪁼👴𙐽𝀻𫀭𛐻𮀮𩡩𫁬𤡥𨱴𚀰𛀰𛀵𜀬𫰿𝐰𞠱𩐳𚐩𪐽𫀥𜰬𪠽𫀯𜰦𜐵𛁫👬𛰴𞀦𜐵𛁸𛡦𪑬𫁓𭁹𫁥👒𚁩𚰱🀼𝠩𛁸𛡳𩑴𥁲𨑮𬱦𫱲𫐨𪐭𜑼𜐬𛐮𝐬𫰽𛑩𙐲𛀱𚱯𚠱𛠵𛀵𜀪𚀱𞐫𪰭𪠩𛀲𝐪𚀳𞀫𜠪𭀭𪰭𪠭𞀯𚀱𚰲𚠪𚀴𝐭𪰭𪠭𭀪𜐵𚐩𚐩`.replace(/u../g,'')))

Jul 13 2019 3:37 AM UTC

}// 138/140

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Blocks (https://dribbble.com/shots/1783699-Blocks)

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u/pavel

190 for(l=c.width|=t%=4;l--;x.fillRect(0,0,50,o?50:1e3))i=l%3,j=l/3&15,k=l/48&15,x.fillStyle=R(i+1<<6),x.setTransform(i-1|1,-.5,o=-i%2,1+o*1.5,50*(19+k-j),25*(38+2*t-k-j-8/(1+2**(45-k-j-t*15))))
u/KilledByAPixel

👍
u/aleamb

wow!!
u/username

actual f
u/katkip

awesome #compressed
u/katkip

#d3 #loop

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KilledByAPixel

remix of d/14765 by u/KilledByAPixel

function u(t) {

eval(unescape(escape`𬀽𣑡𭁨𛡐𢐪𜠻𭱩𭁨𚁸𚑦𫱲𚁦𪑬𫁓𭁹𫁥🐢𘰰𜀰𝐢𛁦𪑬𫁒𩑣𭀨𜀬𜀬𜡥𜰬𜡥𜰩𛁪🐴𝐻𪠭𛐻𚑦𫱲𚁢𩑧𪑮𤁡𭁨𚁩🐹𞐩𞱩𛐭𯁼𬱴𬡯𪱥𚀩𞱳𭁲𫱫𩑓𭁹𫁥👠𪁳𫀨𙁻𪠪𝡽𛀹𞐥𛀷𜀥𨀩𨑲𨰨𪠥𞐪𜐹𜠫𜐹𜠬𜐵𝠫𚁪𛰹𯀰𚐪𜐹𜠬𞀸𛁱👩𚡰𛰹𞀬𚁱𚡪𚱴𚐥𬀩`.replace(/u../g,'')))

Jun 26 2019 5:48 PM UTC

}// 140/140

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Iris Variations 2

u/KilledByAPixel

I thought this one deserved a slightly better version. #compressed #multidweet
u/Xen

perfection
u/donbright

please tell me this is a bumper sticker or t shirt or coffee mug or somerthing

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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

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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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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𯐩𯐊𩡯𬠨𬐠𫱦𘁺𚑸𛡦𪑬𫁒𩑣𭀨𜠰𜀫𚁱𛡸𚰽𤰨𬐮𮐯𜠹𚡴𚐩𚠹𛀱𜀰𚰨𬐮𮐫👓𚁱𛡸𛰲𞐪𭀩𚐪𝰬𝠬𝠩`.replace(/uD./g,'')));

Jun 15 2019 10:14 AM UTC

}// 117/140

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It is beautiful.

u/katkip

#chaos

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pavel

remix of d/13601 by u/pavel

function u(t) {

c.width|=f=(X,Y,Z,d,o=d<7&&5)=>{for(x.fillRect(960+1e3*X/Z,1e3*Y/Z,s=6/Z/Z,s);o--;f(X+R*S(a=t+11*o),Y+R,Z+R*C(a),d+1))R=o&&2**-d}
f(0,0,1,2)

May 8 2019 6:02 AM UTC

}// 140/140

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#sierpinski #pyramid

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u/KilledByAPixel

Wow!
u/Jezza

So great!
u/iverjo

Impressive! #d3
u/katkip

cute
u/rodrigo.siqueira

They said it was impossible. But Pavel did it anyway and here it is.
u/KilledByAPixel

This one was worth of an awesome gif... https://imgur.com/gallery/oHiQizL
u/f8f82804

#perspective
u/KilledByAPixel

reddit says hi https://www.reddit.com/r/perfectloops/commen…
u/katkip

Top of the month
u/yukulele

shouldn't it have a triangular base?
u/pavel

That would be a tetrahedron. Pyramids usually have a square base.
u/vain

So wonderful! Amazing work!

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pavel

function u(t) {

for(c.width=i=1944,w=960;i--;x.fillRect(w+w*S(a)*S(b)/z,540+w*C(b)/z,s=13/z/z,s))j=i%72,z=2+C(a=2.7+S(t)+(j&4?0:j)/72)*S(b=1.5+(i/72|0)/120)

Apr 11 2019 6:03 AM UTC

}// 140/140

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#default on a sphere

u/f8f82804

#d3 #sphere #perspective
u/katkip

how lol
u/pavel

I draw #default one pixel at a time and treat (x,y) of the pixels as angles (a,b) in spherical coordinates. Spherical to 3d cartesian is x=r*sin(a)*sin(b), y=r*cos(a)*sin(b), z=r*cos(b). Projecting 3d to 2d cartesian is x'=x/(2+y/r), y'=z/(2+y/r), and scaling pixel size by 1/(2+y/r)**2 so stuff in the back is smaller.

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pavel

function u(t) {

for(a=b=u=c.width|=i=0;i++<99*t;x.fillRect(960+800*C(a+t)*S(b)/z,540+800*C(b)/z,s=20/z/z,s))a+=C(u+=i**.9%1-.5)/69,z=2+S(a+t)*S(b+=S(u)/69)

Apr 10 2019 1:23 AM UTC

}// 139/140

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Wiggly boy

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u/magna

Awesome!
u/DataMeta

Cool!!
u/joeytwiddle

Bloody brilliant #sphere #perspective
u/katkip

this will get to the top
u/katkip

#d3
u/iverjo

Wow!
u/donbright

#randomwalk

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tomxor

function u(t) {

eval(unescape(escape`挮睩摴栽㐸〻挮獴祬攽❦楬瑥爺楮癥牴⠱⥳数楡⠱✻景爨椽㉥㐻椭ⴻ⥸⹦楬汒散琨㈴〫㤹⩓⡘㵩┱㈰⼳㤩⩃⡙㵩⼶攳⤭䌨夫琩⨨娽匨匨太㐩⽃⡘⨱㘯天⤪⨵⨸⤬ㄳ㔫㤹⩃⡘⤭䌨堫琩⩚ⱓ⡘⤬䌨夫娯ㄶ⭴⤪⨷⨳⤻`.replace(/u(..)/g,"$1%")))

Mar 18 2019 11:00 PM UTC

}// 140/140

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Super Dune #planet #space

u/tomxor

A tumultuous and dusty planet trapped in the middle of a binary star system (my excuse for lighting both sides :D). prepend t/=6; if you have a crazy fast GPU
u/lionleaf

Wow, this one is simply amazing!
u/aleamb

wow! superb! amazing!
u/iverjo

Very good!
u/vain

Unbelievable great bump map like fx

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marc8

function u(t) {

c.width|=r=300
with(x){lineWidth=9
for(i=0;i<9;i++)fillRect(z=400+i*100+C(t)*r,400,50,200)
arc(z,h=500,10,0,7)
arc(310,h,r,t,t+6)
stroke()}

Mar 16 2019 2:48 PM UTC

}// 139/140

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#default engine

u/katkip

WOW
u/katkip

Genius idea
u/katkip

This deserves an awesome
u/f8f82804

#mechanism

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