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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travisdoesmath

function u(t) {

a=256;b=8
for(i=1;i<128;i++) {
  x.fillStyle = R(60*t%a,120*t%a,180*t%a)
  x.fillRect(((60*t^i)%128)*b+448, 28+i*b, b, b)
}

Jan 2 2018 2:35 AM UTC

}// 124/140

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u/nickd3000

This is really cool, nice magic to find the x Coordinate
u/Xen

love it

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nystrand

function u(t) {

for(i=c.width+=0;i--;x.fillRect(a*w+1e3,b*w+540,m=w/9-9,m))[a,b,z,w=(z+9+T(t))*19]=t?x[i/3|0]:[S(i),C(i),6*i%8-3],x[i/3|0]=[b+a/77,z,a-b/77]

Aug 19 2017 1:34 PM UTC

}// 140/140

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u/iverjo

Respect!
u/joeytwiddle

Wow!
u/cantelope

unreal!
u/n0va

Impressive!
u/FireFly

This one is really cool! Keep it up! :)
u/p01

👍
u/donbright

oh man!!!
u/nystrand

thanks for all the nice comments!
u/13thptr

#d3 #perspective

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iverjo

function u(t) {

c.width=384;for(i=20;i--;)for(j=9;j--;)if(!i||(i^j)%2){x.fillStyle=R(a=i?0:240),x.fillRect(i*20+j%2*4*S(t)-25+9*S(j),j*20,i?20:420,i?20:2)}

Mar 2 2017 6:29 PM UTC

}// 139/140

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Optical illusion thingy. It's supposed to look like the red lines are not really straight and parallel. #bartjs

u/sfz

it works, trippy!
u/iverjo

Fun fact: This was actually the first idea I ever had for a dweet, back in december 2015 when sigve made https://github.com/sigvef/arktis-tweet-demo/
u/donbright

great illusion
u/SpecialAgent

Expecting a gorilla and some barrels to come hurtling down. Love it.
u/iverjo

#opticalillusion

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New_Core

remix of d/630 by u/New_Core

function u(t) {

for(a=i=629;i--;)s=99/(b=-a+(i+t*60)%a),X=a*S(i*99)*s+1e3,Y=a*C(i)*s+500,i<628?b+=a:(X=Y=0,s=a),x.fillStyle=R(b,b,b),x.fillRect(X,Y,s*9,s*9)

Jan 20 2017 9:28 AM UTC

}// 140/140

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for a smoother start

u/donbright

bravo
u/iverjo

#stars #starfield

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tomxor

remix of d/25759 by u/tomxor

function u(t) {

eval(unescape(escape`𩡯𬠨𭀿𭰽𨰮𭱩𩁴𪀦👩🐸𜰲𜀺𠐽𠠽𥐽𥠽𜀻𪐭𛐻𥀽𤰨𜠪𭀫𜠪𣑡𭁨𛡡𭁡𫠲𚁃𚁘𛰸𚐬𤰨𭀫𦐯𞀩𚐩🠰𚑸𛡦𪑬𫁒𩑣𭀨𦀽𪐥𭰬𦐽𪐯𭰬𜐬𥁼𤠼𜀩𛁡👘𛑁𛁢👙𛑂𛁒👡𚡡𚱢𚡢𛐲𝐬𥀦𤠼𜐦𙠨𥐭👡𛁖𛐽𨠩𞱁𚰽𥐯𝀸𚱷𛁁𙐽𭰬𠠫👖𛰲𝀫𭰬𠠥👷𛁖𚰽𞀭𥠯𞀻`.replace(/u../g,'')))

Oct 10 2022 2:14 PM UTC

}// 140/140

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Infinite Falling Marble #Physics

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u/tomxor

This sh**'s chess, it ain't checkers
u/magna

Crazy!
u/vain

Holy sh*t... 😮 that's incredibly impressive! 👍 Really enjoying watching it. Great work!
u/lonestar108

blows my mind every time
u/neimad

wizardry
u/mrperson59

Delete the last 4 chars in the compressed string and watch the ball wobble around like mad
u/tomxor

Yeah -V/8 is for velocity damping on Y. Which is necessary with velocity based collision resolution. An alternative that doesn't require this is verlet integration, but that requires far more characters.
u/Qwitter

Cool
u/nix

r u effin kiddin me?

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nystrand

function u(t) {

eval(unescape(escape`𩡯𬠨𨰮𭱩𩁴𪀦👩🐶𩐳𞱱🐭𛑩𛰳𯀰𞱸𛡦𪑬𫁒𩑣𭀨𨐯𚁺👺𛰹𞐹𚰮𜀴𚐫𞐰𜀬𨠯𮠫𝐰𜀬𦠽𛠰𜐯𮠯𮠬𦠩𚑛𨐬𨠬𮡝👸𦱱𧑼𯁛𜀬𜀬𝠮𜱝𛁁👺𚡱𙐳𯀰𛁂👱𛱺𙐳𯀰𛁸𦱱𧐽𭀿𦱢𚱡𛰹𞐬𮠬𨐭𨠯𞐹𧐺𛐭𠑼𛐭𠠿𦱡𚱁𚡺𛁢𚱂𚡺𛁩𙐳🱺𛰳𞠹𛐨𬐦𜠩𚠹𧐺𦱝`.replace(/u../g,'')))

Mar 5 2021 3:49 PM UTC

}// 139/140

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Hollow and somewhat damaged Menger sponge

u/New_Core

"You will be assimilated. Resistance is futile." (comes up in my mind when I see it)
u/UEZ

Well done. Looks very nice. Can somebody explain me what this is about: [a,b,z]=x[q]||[0,0,6.3]. I assume it has something to do with arrays... Thx :-)
u/tomxor

It's called destructuring. The right hand side simply evaluates to an array (x[q] or [0,0,6.3] is x[q] is falsey). Then the elements of this array are assigned to variable names based on positions on the left, e.g a=0, b=0, z=6.3. Note that the left hand side is syntactic sugar, it's not an array literal.
u/UEZ

@tomxor: thx for your explanation. :-)
u/aleamb

#p3d #cube #menger #fractal

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rnbw

function u(t) {

for(c.width^=i=0;i++<210;)for(j=0;j++<7;x.fillStyle=`#f`+j*15)x.fillRect(i*9,540-S(a=t-i/80*C(t+i/69)+j*.89)*230,9,Math.max(210*S(a-1.1),0))

Nov 25 2019 7:18 PM UTC

}// 140/140

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an attempt at something like a twister

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u/Xen

mmmmm tasty!
u/tomxor

my exact thoughts #marshmallow
u/katkip

twisted icecream
u/Xen

#flump
u/joeytwiddle

That's a very juicy #twister!
u/cyhawk

I teach 9-year-olds programming and used a tidied up version of this to show them how to figure out how something works. They loved it! Thanks! I've added a bit of gap between the strands to make it easier to understand, and I think it looks good. Like Math.max(180*S(a-1.2),0).
u/rnbw

wow, i would have never thought that my recreational programming would be used for educational purposes. glad i was able to help those kids out on their journeys!
u/danny@hille.dk

Just saw this, nice code man! Save 11 b like this: for(c.width=i=300;i--;)for(j=8;j--;x.fillStyle=#f+j*15)x.fillRect(i,99-S(a=t-i/80*C(t+i/99)+j*.9)*40,1,Math.max(40*S(a-1.1),0))

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pavel

remix of d/10653 by u/anotherkitten

function u(t) {

with(x)for(c.width=-1,translate(150,i=84);--i;rotate(t),t=2.1,fill(new Path2D('M67 28 9-72-9-72 37 11-19 11-28 25')))fillStyle=R(a=50*i,a,a)

Oct 24 2018 8:24 PM UTC

}// 140/140

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u/yonatan

hah! - works as a separator
u/anotherkitten

dang, well done. wasn't sure if it was doable.
u/lionleaf

Nicely done!
u/aleamb

cool!
u/magna

damn.
u/joeytwiddle

Very good
u/katkip

Awesome!
u/katkip

#path2d
u/pavel

#uncompressed in black and white

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veubeke

function u(t) {

c.width^=0
for(i=190;i--;)with(x)restore(save(),translate(120*(i/11|0),i%11*120),rotate((1-i%2*2)*S(t-i/100)/2),fillRect(-45,-45,90,90))

Oct 11 2018 6:47 PM UTC

}// 136/140

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Inspired by beesandbombs but had to switch to squares. See https://twitter.com/beesandbombs/status/1050…

u/Xen

i've been watching ;-) amazing work V x
u/vain

what for a great optical illusion

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snydej

remix of d/6990 by u/snydej

function u(t) {

c.width|=p=2.0943;[0,1,2].map(d=>x.fillRect(0,0,h=540,h,x.setTransform(s=S(q=d*p+t),C(q),S(q+=p),C(q),960,h),x.fillStyle=R(l=140+80*s,l,l)))

Feb 18 2018 7:10 PM UTC

}// 140/140

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u/aleamb

cooooooooool
u/magna

WAAAAAA
u/zanella

Niiiiiiiiiice!
u/joeytwiddle

#cube #lighting #renderer
u/S.T.L.K.R.

wtf very nice
u/vain

amazing lightsources cube