Top dweets by u/anotherkitten

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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anotherkitten

remix of d/10600 by u/anotherkitten

function u(t) {

for(t+=i=17;i--;x.beginPath(x.fill()))p=i+t%1,x.fillStyle=`hsl(${(p-t)*9} 50%${i-t&1?40:60}%`,x.arc(960+C(p+t)*p*p,540+S(p+t)*p*p,5*p*p,0,7)

Oct 22 2018 4:11 AM UTC

}// 140/140

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odd spiral

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u/veubeke

wow
u/joeytwiddle

I really like these colours
u/pavel

groovy!
u/DataMeta

Niiice!
u/aleamb

yeah! cool!
u/pavel

You use a trick that does not work on iPhone. In the HSL call you need a space between S and L.
u/veubeke

@pavel: here’s a version that works in Safari d/10641

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anotherkitten

function u(t) {

c.width|=0
x.scale(100,100)
f=40-t*10
for(j of[1,-1])for(i=t*5|0;i--;)x.fillRect(z=i+(t*5%1),5+j*(z>f)*(z-f)/5,-.5,j)
x.fillRect(f,4.9,1,.2)

Aug 31 2020 3:12 PM UTC

}// 140/140

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shooting some #default blocks

u/KilledByAPixel

Satisfying!
u/Xen

nice!
u/aleamb

cool!
u/katkip

O_O
u/danny@hille.dk

looped version =>c.width|=0,x.scale(100,100) for(i=(t%=6)*5|0;i--;x.fillRect(T=40-t*13,4.9,1,.2))for(j of[1,-1])x.fillRect(z=i+t*5%1,5+j*(z>T)*(z-T)/5,-.4,j)

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anotherkitten

function u(t) {

eval(unescape(escape`挮睩摴桼㴰㭸⹴牡湳污瑥⠹㘰ⰵ㐰⤻砮牯瑡瑥⡴⤻景爨椽㐻ⴭ椻砮牯瑡瑥⠶⸲㠯㌩ⱸ⹦楬氨湥眠偡瑨㉄⡠䴴〴‱㜰‶㘠ⴴ㌳‭㔵‭㐳㌠㈲㈠㘴‭ㄱ㌠㘴‭ㄷ〠ㄶ㑚怩⤩砮晩汬却祬攽恨獬⠤筴⨶ぽ‶〥․筩⨹紥总`.replace(/u(..)/g,"$1%")))

Oct 24 2018 5:08 PM UTC

}// 140/140

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rotating penrose

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u/anotherkitten

source code: https://pastebin.com/wnqGPycP
u/yonatan

cool!
u/tomxor

#Impossibleobject
u/tomxor

I challenge anyone to add rotation :P
u/BirdsTweetCodersDweet

There already is rotation?
u/anotherkitten

i think he means on a different axis that would make the object look 3d
u/tomxor

Yup an axis that is not parallel to the camera plane... i'm half joking because it's an impossible object, a trick of 3d projection, that said their may be a way to maintain the illusion while rotating on one of the fictitious planes.
u/danny@hille.dk

AWESOME!

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anotherkitten

remix of d/20280 by u/anotherkitten

function u(t) {

x.beginPath(c.width|=X=Y=Z=0.004)
for(i=2e3;i--;x.lineTo(960+(Z*S(t)+X*C(t))*i*99,540+Y*i*49))X+=Y*Z+Y,Y+=Y*Y-X*X-Z-X,Z+=-Z*Y*X+Y
x.stroke()

Oct 16 2020 10:09 PM UTC

}// 140/140

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mind melter orbit

u/MAxSaL

Damn, Dwitter is on fire! Cool dweet after cool dweet!

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anotherkitten

function u(t) {

for(K=i=79;i--;x.fillRect(i*25+S(K=i**4+t)*60-W,540-H,W+W,H+H))x.fillStyle=R(180-t*24,150-t*20,60-t*8,M=1-t/11),W=33/t-t/3,H=S(K)*599*M

Nov 29 2021 7:59 PM UTC

}// 135/140

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jagged #cavern

u/tomxor

Wow, kinda spooky looking!
u/andrea270872

cool cave!
u/vain

very cool procedureal cave image
u/BriSeven

Cheese Pizza!

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anotherkitten

function u(t) {

t=S(t)*1.7;for(c.width|=j=0;j++<9;)for(h=5;h-->-4;)for(i=5;i-->-4;x.fillRect(958+h*m*t-j*4,538+i*m*t-j*4,m+4,m+4))m=8*j,x.fillStyle=R(m,m*2)

Nov 13 2018 4:10 AM UTC

}// 140/140

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diced

u/aleamb

amazing!
u/joeytwiddle

Nice! Small tweak, just swinging left and right: for(c.width|=j=0;j++<9;)for(h=5;h-->-4;)for(i=5;i-->-4;x.fillRect(958+h*m*2-j*4+m*9*S(t),538+i*m*2-j*4,m+9,m+9))m=8*j,x.fillStyle=R(m,m*2)

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anotherkitten

remix of d/9931 by u/Xen

function u(t) {

c.style.background=R();if(t<34)with(x){shadowColor=`hsl(${t*99} 76%66%`
shadowBlur=19
fillRect(9,9,9,9)
translate(25,8)
rotate(t*2.10587)}

Sep 19 2018 12:03 AM UTC

}// 138/140

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spiral of spirals

u/donbright

id love a shirt like this
u/katkip

that's indeed awesome
u/magna

Neat!

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anotherkitten

function u(t) {

eval(unescape(escape`睩瑨⡸⥦潲⡩㴴㤬挮獴祬攮扡捫杲潵湤㵒⡸⹫㵦楬汒散琩㭩ⴭ㭰㴶〪椪⨮㐬欨㤶〭瀬㌰〫椪㐬瀪㈬㈩⥦潲⡪㴸ㄻ樭ⴻ欨椪㜰⵪⩃⡩⼹⤪㔬㔰〫横㤬樥㤿㌺㤹ⰹ⤩晩汬却祬攽恨獬⠤筪㼳〰㨶㔭楽‹㤥⑻橼簸〭楽╠`.replace(/u(..)/g,"$1%")))

Nov 16 2018 1:36 AM UTC

}// 140/140

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vaporwave sunset

u/anotherkitten

src: https://pastebin.com/V4y4ejsC

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anotherkitten

function u(t) {

e=(a,b)=>a/b&1?b-a%b:a%b;x.fillRect(0,0,j=2e3,j);x.globalAlpha=.1;for(;j--;x.clearRect(e(t*360*S(b),1911),e(t*360*C(b),1071),9,9))b=j/1200

Nov 9 2018 6:36 PM UTC

}// 138/140

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faster and cleaner version of linear ripple

u/katkip

I love this one!
u/iverjo

#waitforit

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anotherkitten

function u(t) {

for(d=19;d--;x.beginPath(x.fill())){p=d+t%1;x.fillStyle=`hsl(${140+t*2} 66%${80-S(p/4)*40}%`;x.arc(960,540,p*60,o=p/2+t/2,++o)}

Oct 21 2018 3:06 AM UTC

}// 127/140

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cute spiral

u/Agnes

Consider using properly formatted HSL if you have the characters to spare - these all show up as 100% black on iOS Safari!
u/anotherkitten

true, should have done, just habit to use the broken one

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