Dweets awesomed by u/CalSch

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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Current theme challenge: #Food

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Piggo

function u(t) {

x.fillStyle=`hsl(${t*150},95%,45%)`;var Z=Math.abs(T(t/3))
for(var X=90;X-=1;)for(var Y=90;Y-=1;)x.fillRect(X*10*Z-50,Z*Y*10-50,9,9)

Dec 19 2019 3:18 AM UTC

}// 132/140

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My first dweet! Tips for working in javascript would be appreciated since I've never used it before

u/jellyedwards

Hey Piggo, to reduce a few chars you don't need var, you can do -- instead of -=1 and you can put some statements in the last term of the from expression, have a look at this that does the same in 116 bytes: Z=Math.abs(T(t/3));for(X=90;X--;)for(Y=90;Y--;x.fillRect(X*10*Z-50,Z*Y*10-50,9,9))x.fillStyle=hsl(${t*150},95%,45%
u/jellyedwards

Hmm the back quotes for removed from the hsl but you get the idea!
u/Piggo

Awesome, thanks for the tips!

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pavel

function u(t) {

for(c.width|=f=o=>4/(1+99**(o-(t+i)%3*8)),x.scale(i=60,i);i--;x.strokeRect(17-X,6+Y,2+X-f(8)+f(19),2+f(1)-f(14)-Y))X=f(7)-f(20),Y=f(2)-f(13)

Dec 18 2019 10:45 PM UTC

}// 140/140

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Oleg Frolov | Dribbble (sped up due to golfing)

Show more comments…
u/pavel

https://dribbble.com/shots/5836300-Loader-XL…
u/KilledByAPixel

👍
u/katkip

wow
u/katkip

good #loading
u/iverjo

This is cute
u/sigveseb

looks better sped up, too!
u/Leodude123

can i use this as a loading animation?
u/vain

Wonderfull animation !! <3

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katkip

function u(t) {

/*‮*/eval(atob`dGhyb3cgIk1vdGl2YXRpb25FcnJvcjogRXhwZWN0ZWQgbW9yZSBsaWtlcyI=`)///////////////////////////////////////////////////////////////

Dec 1 2019 6:08 PM UTC

}// 140/140

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u/tomxor

I'm so torn, should I click awesome?
u/katkip

yes. #obfuscated
u/CalSch

What is this, why is "eval" backwards? Why is the text after the opening comment highlighted like a string instead of a comment? So confusing...

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adroitwhiz

function u(t) {

eval(unescape(escape(`挮睩摴栽愽㜶㠻䐽娽㹸⹭潶敔漨䄫娬䈩⭸⹡牣呯⡁ⱂⱁⱂ⭚ⱓ⡴⨸⭩⤪ㄲ⬱㈩⭸⹬楮敔漨䄬䈫娩㭦潲⡩㴳㐰㭩ⴭ㭁㴨椥㌴⤪㐸ⱂ㴨椯㌴簰⤪㐸ⱄ⠲㐩ⱄ⠭㈴⤩㭸⹳瑲潫攨⤠`).replace(/u(..)/g,"$1%")))

Nov 27 2019 12:04 PM UTC

}// 125/140

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u/Xen

nice smooth
u/katkip

Smoooooth

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username

remix of d/9690 by u/donbright

function u(t) {

for(c.width|=i=0;i<5e3;i++)Φ=Math.acos(1-2*i/99/99),Θ=10.1664*i,x.fillRect(500*(2+C(Θ)*S(Φ)*S(t)+C(Φ)*C(t)),500*(1+S(Θ)*S(Φ)),9,9)

Nov 26 2019 3:53 PM UTC

}// 130/140

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half a sphere

u/username

#randomremix no 38
u/f8f82804

#d3 #sphere #model
u/fourier.space

If I blink, it rotates both ways
u/username

u/fourier.space actual f, I see it too
u/username

u/fourier.space I missed to mention you on d/16759

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DataMeta

function u(t) {

x.beginPath(x.fill());for(i=9;i--;)t<2?x.arc(960+270*S(t*3)+i*3,540-240*C(t*3)-i*3,64*C(t*.8),0,7):0

Nov 26 2019 4:27 AM UTC

}// 100/140

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Ensō

u/katkip

you did it backwards but ok
u/DataMeta

There is no right or wrong way to draw one
u/DataMeta

It is an act of meditation and an expression of the mind and body's state in the moment

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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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New_Core

function u(t) {

c.width=1920
for(i=0;i<9;i++)
x.fillRect(400+i*100+S(t)*300,400+300*C(t),50,200)
x.drawImage(c,5*S(t)/10*100,-600*C(t))

Nov 10 2019 6:31 PM UTC

}// 119/140

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heh there is some calculations left over from a test with Math.ceil.. (can be lot shorter anyway..)

u/magna

#default
u/joeytwiddle

Just a golf to 112: c.width=1920;for(j=2;j--;)for(i=0;i<9;i++)k=j*2-1,x.fillRect(400+i*100+S(t)*300+k*25*S(t),400+k*300*C(t),52,200)

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katkip

remix of d/16527 by u/katkip

function u(t) {

x.fillRect(0,0,2e3,2e3);for(i=43;i--;)for(j=71;j--;)x.clearRect(j*30+S(S(i/4+t)*2-t)*90-99,i*30+C(S(j/4+t)*2-t)*90-99,9,9);x.globalAlpha=.22

Nov 4 2019 5:13 PM UTC

}// 140/140

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u/Xen

sexy pattern but laggs here

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username

remix of d/16336 by u/username

function u(t) {

for(c.width*=j=1;j<11;j+=9)for(a=2.7**(t/2%2.3),i=-45;++i<46;)x[f=`fillRect`](d=i*20*j*a+960,0,b=5-5/a/j,1e4),x[f](0,d,1e4,b)

Oct 30 2019 2:52 PM UTC

}// 125/140

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infinity

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