Dweets awesomed by u/Odog8

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: #ScaryMovies

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384.cz

function u(t) {

for(x.rotate(.5-t%1),frame%9||(c.width|=0),i=2e3;i--;8<i||x.rect(400+99*i+300*S(t),400,50,200))x.lineTo(2e3&i|i+9*t,t+i-9*t);x.fill`evenodd`

Dec 28 2023 5:25 PM UTC

}// 140/140

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Glitchy #default

u/magna

#glitch

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384.cz

function u(t) {

c.style.filter="invert(";for(c.width=i=99;i--;)x.fillText('.*'[+!(i%9)],50+S(i+t/i)*50,i*t%67)

Dec 18 2023 9:07 AM UTC

}// 94/140

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#snow

u/rodrigo.siqueira

For a moment, I thought there were Space Invaders characters in the background.
u/384.cz

:-)

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rodrigo.siqueira

remix of d/29133 by u/rodrigo.siqueira

function u(t) {

for(t?Y++:Y=0,X=3e3;X--;x.fillRect(X,Y,1,f(X/680-1.4,Y/500-1.1)))f=(x,y,n=0)=>y+x?f(x*x-y*y*C(x),T(.73*x*y)*3+.66,n+1):C(n/5+T(X|Y)/3)+.5

Dec 15 2023 12:50 PM UTC

}// 137/140

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Sierpinski Spiral Structure #fractal

u/danny@hille.dk

YES! SOO COOL!
u/KilledByAPixel

sick

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baon

remix of d/28940 by u/baon

function u(t) {

for(c.width|=0,i=1e4;i--;x.fillRect(960+X,540+Y,10,10))
X=400*C(i) * S( 0.1*S(t*12)+t + i/2 ), Y=400*S(i + 3**S(i/2+C(i)))

Nov 24 2023 10:02 AM UTC

}// 123/140

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closed 3d curve

u/baon

#curve
u/flexelektro

very nice.

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Xen

remix of d/28883 by u/Odog8

function u(t) {

t?e+=[-1,c.width=S,1,-S,d+=(a[e]^=1)?1:3][d%4]:a=Array(d=e=S=19)
for(i in a)x.fillRect(i%S,i/S,1,a[i])

Nov 21 2023 5:50 PM UTC

}// 102/140

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2 bytes less Vs lower quality

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Odog8

function u(t) {

t?e+=[-1,c.width=S=99,1,-S,d+=(a[e]^=1)?1:3][d%4]:a=Array(d=e=2e3)
for(i in a)x.fillRect(i%S,i/S,1,a[i])

Nov 21 2023 4:24 AM UTC

}// 104/140

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Langton's ant in 2 lines

u/Xen

nicely done!

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rodrigo.siqueira

remix of d/28867 by u/rodrigo.siqueira

function u(t) {

eval(unescape(escape`󨼮󬽴󮝬󩜽󨍦󪝬󭍥󬬺󪝮󭭥󬭴󚍠󒭣󟝛󝜰󜌬󜌬󜌬󨜽󨬽󞌰󜌬󜝥󜼬󨭝󞽦󫽲󚍩󟝡󞽩󛜭󞽸󛭦󪝬󫍒󩝣󭌨󥌨󨬩󚭩󛼵󚽡󚼴󝬰󛍓󚍩󚜪󨜯󭌯󞜫󨬫󜜵󜌬󭌼󞜬󜜯󭌫󛬳󚜩󩬽󯭾󚍃󚍡󚽴󚜪󚬲󚬳󚜪󜬬󨜽󨽛󩭝󛼲󚽡󛼲󛍢󟝣󦽦󚼱󧜯󜬫󨬯󜬬󮌮󩭩󫍬󤽴󮝬󩜽󤬨󪜯󝌯󭌬󨬯󝜬󨜯󝌩`.replace(/u../g,'')))

Nov 17 2023 1:54 PM UTC

}// 140/140

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Sierpinski wave interference #sierpinski

u/Xen

love it!
u/danny@hille.dk

It kinda reminds me of both Slimer from Ghostbusters, and Pizza the hutt from Spaceballs
u/Odog8

That is so cool!
u/DataMeta

whoa, fan of this one

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rodrigo.siqueira

remix of d/28841 by u/rodrigo.siqueira

function u(t) {

for(X=Y=t,i=4e4;i--;x.fillRect(X*4.5+Y*8+600,Y*8-X*3+780,.1,t<3))
Y=(r=i/Y&8)*5+Y/2-X/4+S(Y/9),x.fillStyle=R(11*r,0,50),X+=Y*2

Nov 12 2023 7:52 PM UTC

}// 126/140

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Twin Dragon Fractal variation #spiral

u/Joachim

Oooo!
u/cantelope

beautiful
u/rodrigo.siqueira

"In the intricate dance of art, science, and math, the twin dragon double fractal unveils the hidden symphony of the universe, where chaos and order intertwine, whispering the secrets of existence that no mind has yet dared to fathom" (ChatGPT)

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rodrigo.siqueira

remix of d/28827 by u/rodrigo.siqueira

function u(t) {

x.fillStyle=R(0,9,60)
for(A=0,X=Y=t,i=6e4;i--;x.fillRect(X*15+550,Y*13+540,.1,t<2))Y=(i/Y&1)*27+(Y-X)/2+.25/Y+S(X/9)*2,X=X+Y

Nov 8 2023 1:00 PM UTC

}// 124/140

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Roads on the Rodragon Curve #fractal

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tomxor

remix of d/28068 by u/tomxor

function u(t) {

for(w=c.width&=i=10368;i;T=(2*X&3*t+T)%7<3&Y*Y<2?R-T?T+.1:R+=.1:R!=T?R&=x.fillRect(--i%w,i>>7,(X+Y+5)/9,1):T+.2)X=i%w/64*R-T,Y=i/4e3*R-T

Nov 7 2023 9:40 PM UTC

}// 136/140

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Pseudo Global Illumination - Sans-Textures

u/cantelope

wat
u/joeytwiddle

#d3 #lighting #uncompressed #hiddengem
u/DataMeta

wow
u/aleamb

wtf.... amazing!
u/pavel

Holy crap!

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