New #Waitforit dweets

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.

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katkip

function u(t) {

for(i=0;i++<360;)S(i)<T(t*S(i)*t*t/i)?x.fillRect(t*100,i*3,2,9):0;

Oct 27 2018 5:24 PM UTC

}// 66/140

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#abstract #art #waitforit It is actually a street, and to right is the flower field! Short 66

u/sigveseb

Woow so little code for all that?! Epic
u/sigveseb

Even smaller for(i=360;i--;)S(i)<T(t**3*S(i)/i)&&x.fillRect(t*99,i*3,2,9)

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yonatan

remix of d/10704 by u/yonatan

function u(t) {

eval(unescape(escape`挮楮湥版呍䰽怼獶朾㱦楬瑥爠楤㵦㸼晥呵牢畬敮捥⁢慳敆牥煵敮捹㴮〰ㄠ湵浏捴慶敳㴵 㸼晥䑩獰污捥浥湴䵡瀠獣慬攽⑻匨琩⨹㤹紾总砮晩汬呥硴⡸⹦楬瑥爽≵牬⠣昩∬〬〩`.replace(/u(..)/g,"$1%")))

Oct 26 2018 12:31 PM UTC

}// 124/140

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#waitforit (unless you just see a blank canvas, then it's broken)

u/joeytwiddle

Wow that's beautiful! But #heavy on some machines #plasma #cloud #oil #oil_spill

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yonatan

remix of d/10690 by u/yonatan

function u(t) {

eval(unescape(escape`挮楮湥版呍䰽怼獶朾㱦楬瑥爠楤㵦㸼晥呵牢畬敮捥⁢慳敆牥煵敮捹㴤笱⽴素牥獵汴㴢∯㸼晥䑩獰污捥浥湴䵡瀠楮㵓潵牣敇牡灨楣⁳捡汥㴤筴紾总砮景湴㴧㥩渠砧㭸⹦楬汔數琨挮獴祬攽≦楬瑥爺畲氨⍦⤢ⰰⰱ攳⤻`.replace(/u(..)/g,"$1%")))

Oct 25 2018 10:31 PM UTC

}// 140/140

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#waitforit

u/yonatan

c.innerHTML=<svg><filter id=f><feTurbulence baseFrequency=${1/t} result=""/><feDisplacementMap in=SourceGraphic scale=${t}>;x.font='9in x';x.fillText(c.style="filter:url(#f)",0,1e3);
u/yonatan

Judging by the sound of my fan, I'm guessing filters use SIMD
u/yonatan

or maybe just if they can't find a working GPU
u/yonatan

firefox seems to handle this one better than chrome

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MudkipGuy

function u(t) {

eval(unescape(escape`景爨爽䵡瑨⹲慮摯洬樽〻樫⬼㤹㬩筦潲⡡㴳⩲⠩Ɫ㴲⩲⠩Ⱪ㵣㵤㴰Ɒ㴱㔻椼瀦♣⩣㰴㭩⬫⥥㵣Ᵽ㵣⩣ⵤ⩤⭡ⴲⱤ㴲⩤⩥⭢ⴱ㭸⹦楬汓瑹汥㴢桳氨∫椪瀫∬㔰┬㔰┩∬砮晩汬剥捴⠶㐰⩡ⰵ㐰⩢ⱰⱰ⥽`.replace(/u(..)/g,"$1%")))

Oct 24 2018 10:26 AM UTC

}// 134/140

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Mandelbrot Set

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u/MudkipGuy

uncompressed source:
u/MudkipGuy

for(r=Math.random,j=0;j++<99;){for(a=3*r(),b=2*r(),i=c=d=0,p=15;i<p&&c*c<4;i++)e=c,c=c*c-d*d+a-2,d=2*d*e+b-1;x.fillStyle="hsl("+i*p+",50%,50%)",x.fillRect(640*a,540*b,p,p)}
u/yonatan

for(j=99;j--;x.fillStyle=hsl(${i*9} 50%50%,x.fillRect(640*a,540*b,9,9))for(b=(z=j*t)**3%2,a=z**5%3,i=c=d=0;i<15&c*c<4;i++)e=c,c=c*c-d*d+a-2,d=2*d*e+b-1
u/yonatan

Nice one!
u/katkip

#mandelbrot #fractal
u/magna

#waitforit
u/joeytwiddle

Novel!
u/iverjo

Nice! Now make the rectangles progressively smaller, so that the image becomes more and more detailed over time
u/MudkipGuy

heh! I was already playing around with that... for(r=Math.random,j=99;j--;){for(a=3*r(),b=2*r(),i=c=d=0;i<30&&c*c<4;i++)e=c,c=c*c-d*d+a-2,d=2*d*e+b-1;x.fillStyle="hsl("+i*8+",50%,50%)",x.fillRect(640*a,540*b,p=30/t**.5,p)}
u/katkip

Awesome!

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tomxor

remix of d/10534 by u/tomxor

function u(t) {

k=160,i=1e3,w=.04
for(t+=32;p=i&1,m=k/C(t/i)+p*(k/2+i%k),i--;)x.fillRect(
960+m*S(n=t/16+i*i)*C(!p*i/t),
540+m*C(n+p*2),s=w-C(n)*w,s)

Oct 20 2018 1:58 PM UTC

}// 133/140

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#space #saturn #drawing

u/katkip

oh wow
u/joeytwiddle

Very nice. Set w=.2 if you don't want to #waitforit
u/tomxor

Oops, this doesn't seem to work at all in some browsers... showing up the aignificant subpixel interpolation differences between canvas implementations. Works in chrome - soz

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katkip

remix of d/10534 by u/tomxor

function u(t) {

x.fillRect(0,0,i=2e3,i);for(t+=t*10;p=i&1,m=t/C(t/i)+p*(t/i*i+i%t),i--;)x.clearRect(960+m*S(n=i*i+t/9+t*i/8769)/C(1/t+p),540+m*C(n+p/t),5,5)

Oct 19 2018 6:10 PM UTC

}// 140/140

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#waitforit to see how does it look in a black hole!

u/tomxor

OMG it's a stargate :P

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prplz

function u(t) {

for(c.width|=i=9;i--;)x.fillRect(400+i*100+S(t)*300,400,50,200)















x.font='60em a',t&8&&x.fillText('👻',350+t**4%33,900+t**4%29)

Oct 11 2018 3:22 AM UTC

}// 139/140

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#default

Show more comments…
u/firegodjr

I WAS UNPREPARED
u/SuperFromND

ABSOLUTELY SPOOPED
u/Purpzie

WHEEZE
u/katkip

haha genius #scary
u/f8f82804

#halloween #trick
u/aleamb

lol
u/donbright

hahaa
u/iverjo

xD
u/joeytwiddle

#waitforit

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f8f82804

remix of d/10293 by u/f8f82804

function u(t) {

for(i=768;i--;x.globalCompositeOperation=i?'source-over':'xor')x.fillRect(1920*Math.random(),1080*Math.random(),8,8);

Oct 10 2018 4:52 PM UTC

}// 117/140

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#twinkle #stars #waitforit

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Xen

remix of d/10269 by u/katkip

function u(t) {

for(c.width|=i=99,x.translate(Z=960,540);i--;x.rotate(S(t/Z)*99))x.lineTo(i*9,0)
x.fill("evenodd")

Oct 9 2018 5:06 PM UTC

}// 98/140

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u/f8f82804

it just keeps getting better! #waitforit
u/f8f82804

#perfectloop

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katkip

function u(t) {

c.style.background='#0af';c.width*=1;for(a=(2+t*t)|0;a--;x.lineTo(C(a+b*b+t)*S(b+a*a+t)*960+960,S(b)*540+540,i=b/40-5,i))b=4*a*a;x.fill()

Oct 1 2018 12:35 PM UTC

}// 137/140

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#waitforit to see the electric waves simulation

u/loni_art

crystalline!
u/donbright

ok now this is something that is extremely unique

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