Dweets awesomed by u/lowpoly

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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rodrigo.siqueira

remix of d/29151 by u/rodrigo.siqueira

function u(t) {

for(t?Y++:Y=0,X=3e3;X--;x.fillRect(X,Y-1,1,f(X/506-1.9,Y/420-1.3)))
f=(a,b,n=0)=>a?f(a*a-b*b+.28,a*b+a*b+.01,n+1):(x.fillStyle=R(n/2,n,n),Y)

Dec 22 2023 5:40 PM UTC

}// 140/140

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Turquoise #julia #fractal

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rodrigo.siqueira

remix of d/29171 by u/rodrigo.siqueira

function u(t) {

x.fillRect(0,0,k=1e4,k)
for(i=k;i--;x.clearRect(960+Y*S(a)/2,220+Y+Y*T(a*a)/20,W,W))Y=8*i**(t<3?t/5:.6),a=i+S(t/1e7),W=9*S(a*C(i*i))*C(a)

Dec 20 2023 3:52 PM UTC

}// 137/140

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#christmas #snow #tree (with introduction animation)

u/UEZ

nice

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rodrigo.siqueira

remix of d/18597 by u/pavel

function u(t) {

with(x)for(i=999;i--;fillRect(~setTransform(s=2e4/i,0,0,s,940+7*s*C(F=i+t/4),380+i+3*s*S(F+S(t+i)/3)),~rotate(i/5),2,2))fillStyle=R(i/2,i/6)

Feb 8 2022 7:21 PM UTC

}// 140/140

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Melting lava #cavern

u/ciaccodavide

nice!
u/Xen

love it!
u/aleamb

amazing

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lowpoly

function u(t) {

s=10;for(i=0;i<60;i++)x.fillRect(S(t+0.1*i)*1e3+1e3,0,s,s,x.fillStyle=`hsla(${i*10},100%,50%,0.5)`);x.drawImage(c,0,s)

Jan 5 2021 10:33 PM UTC

}// 118/140

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u/Xen

love it

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bandaloo

remix of d/19215 by u/bandaloo

function u(t) {

for(i=2e3;i--;x.fillStyle=`hsl(${i/9+99*C(t)},90%,${20*~~(1+S(i/20)+T(t+S(t+i/99)))}%`)x.fillRect(i,0,1,1);x.drawImage(c,0,1)

Jun 23 2020 1:06 AM UTC

}// 125/140

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goo hills

u/Xen

love you style!!!
u/joeytwiddle

#paint
u/magna

Neat!

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pavel

remix of d/10873 by u/yonatan

function u(t) {

for(i=0;Y=i>>5,Y<35;x[o?'clearRect':'fillRect'](0,!x.setTransform(4>>o,-o,2*o,2-o,j%T-Y%2<<6,Y*T+T*S(j*j+9*t)*S(t)**9),T=32,T))o=i%2,j=i++-o

Jun 16 2020 9:14 PM UTC

}// 140/140

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#beesandbombs #uncompressed

u/BuRRak

I love it
u/aleamb

LOVE IT!!!

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KilledByAPixel

function u(t) {

eval(unescape(escape`𩡯𬠨𪰽𪐽𝰴𜀻𛐭𪐻𮀮𩡩𫁬𤡥𨱴𚁫𛑩𚡓𚁴𛰳𚐫𚁲🐱𩐵𛱩𚐪𤰨𚁺🐨𫐽𪐫𭀪𪰯𜡞𪰩𙐹𚐿𫐺𫐽𜀩𚠲𛁩𛐨𩀽𛑃𚁭𚐩𚡲𛁲𚠽𛠶𛀨𬐽𩀼𛠹𯁤🠮𞐱𯀨𩠽𫐥𜠹🀱𚐩🱲𞠱𩐵𛁸𛡦𪑬𫁓𭁹𫁥👠𪁳𫀨𙁻𪐯𞐭𩠪𫑽𘀤𮱺𚡱🱦🱫𞠴𞐺𜁽𙐠𙁻𝐵𛐡𩠪𪐯𜐳𯐥𨀩𚐻`.replace(/u../g,'')))

May 8 2020 6:26 AM UTC

}// 140/140

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Crystal #Cavern 💎

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u/katkip

i like the details!
u/joeytwiddle

So many minerals. What's next? Crafting!
u/KilledByAPixel

I packed a lot into this one!
u/sigveseb

Rules!
u/sigveseb

Haha damn autocorrect, meant to type rulez!
u/SockTaters

My favorite cavern! Although Tunnel of Love is a close second

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KilledByAPixel

remix of d/18610 by u/KilledByAPixel

function u(t) {

with(x)for(k=i=700;--i;m=i+t*k/2|0,fill(arc(k-i+(r=(S(t*4+m/k)/2+1)*(m%39?1e5:3e4)/i)*S(m*=m),k+C(m)*r,r/2,0,7)))beginPath(fillStyle=R(i/2))

May 7 2020 4:28 PM UTC

}// 140/140

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Blood #Cavern 🩸 #uncompressed

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u/joeytwiddle

Sweet!
u/KilledByAPixel

#blood
u/katkip

racing inside venes
u/DataMeta

Whoa
u/sigveseb

Smaller and looks better! Nice!
u/joeytwiddle

This is probably the best #tunnel on Dwitter!
u/Ohead

wow, this dweet sent me down a "with" keyword rabbit hole. I've never seen it before!

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pavel

function u(t) {

with(x)for(i=999;i--;fillRect(~setTransform(s=24e3/i,0,0,4*s,960-i+9*s*C(a=i+60*t),540+8*s*S(a)),~rotate(T(a*a)),2,2))fillStyle=R(9,i/4,i/3)

May 4 2020 7:34 PM UTC

}// 140/140

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Underwater #cavern

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u/KilledByAPixel

sick
u/KilledByAPixel

looped https://twitter.com/KilledByAPixel/status/12…
u/pavel

One trick here is f();g();h(-1,-1) is the same as h(~f(),~g()) when f and g return a falsy value, undefined in this case.
u/pavel

Notice how none of the distance variables are based on time, only angles are, yet the distances are changing and nothing is rotating...
u/pavel

Try making the moving a little faster :)
u/pavel

After I wrote this I looked for other dweets using a similar technique and this is the earliest one I've found, and it includes an explanation d/10212
u/KilledByAPixel

Amazing work! I have not seen the ~ before, will be using it a lot now. I tried to explain the 60*t trick in one of my blog posts, https://frankforce.com/?p=7160
u/pavel

That is an amazingly detailed explanation with great visual aids.
u/pavel

To clarify your explanation, any integer time works. 60*t is naturally an integer (ish). frame is one char longer without numerical errors. In general, (n*t|0) works for any n.
u/AndrewK

privet
u/katkip

masterpiece
u/joeytwiddle

I think this also counts as a #tunnel
u/Qwitter

Awesome!

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pavel

remix of d/11930 by u/pavel

function u(t) {

with(x)for(i=-6*t%1;i++<66;fill())for(beginPath(fillStyle=R(8*i,4*i),j=36);--j;arc(960,h+h*S(3*t)**2/i,h/i*(9+C(~~i+6*t^j)),b=9+j/9,b))h=777

May 2 2020 4:35 AM UTC

}// 140/140

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Walking through a #cavern

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u/KilledByAPixel

🤯 genius
u/KilledByAPixel

Looped! https://twitter.com/KilledByAPixel/status/12…
u/sigveseb

Wooow sweet!
u/aleamb

yeah!
u/sigveseb

Really nice colors
u/jick

Holy cow, wow!
u/Xen

sexy!
u/katkip

aannd we have a winner!
u/KilledByAPixel

https://www.reddit.com/r/perfectloops/commen…
u/pavel

the gif is very blurry
u/KilledByAPixel

HD gif for you - https://www.dropbox.com/s/u3wbakb6e4sm00y/pa…
u/Qwitter

Wow!
u/vain

Who needs longer shaders? ;-) Real DemoScene feeling

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