Dweets awesomed by u/neimad

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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rrait1

remix of d/26431 by u/rrait1

function u(t) {

c.width+=0
x.globalCompositeOperation='xor'
x.translate(960,540)
for(j=4;j--;){
for(i=30;i--;){
x.fillRect(0,0,i*13,i*13)
}x.rotate(t/j)
}

Nov 2 2022 4:14 PM UTC

}// 138/140

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u/Odog8

Trippy!
u/vain

interesting interference fx

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rrait1

function u(t) {

c.width+=0
x.globalCompositeOperation='xor'
x.translate(960,540)
for(j=8;j--;){
for(i=30;i--;){
x.fillRect(0,0,i*13,i*13)
}x.rotate(t/j/2)
}

Nov 2 2022 4:12 PM UTC

}// 140/140

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Odog8

function u(t) {

x.moveTo(1000,500-500*C(t))
x.lineTo(1000+500*S(t),300)
x.stroke()

Nov 1 2022 8:17 PM UTC

}// 66/140

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Moiree Diamond

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ArthurThuczsec

remix of d/26425 by u/Odog8

function u(t) {

for(c.width|=i=126,x.translate(1e3,500),x.globalCompositeOperation='xor',x.rotate(t);i--;x.rotate(t/i*7))x.fillRect(0,0,i*9,i)

Nov 1 2022 5:38 PM UTC

}// 126/140

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DazeWare

function u(t) {

c.width|=0;x.scale(100+t,t*9);for(i=96;i--;)for(j=54;j--;)if(t*(g=1))x.fillRect(i+S(t*4+j/g)-1,j+S(t*4+i/g)-1,z=.9,z)

Oct 28 2022 10:10 PM UTC

}// 117/140

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u/joeytwiddle

square dance

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DazeWare

function u(t) {

c.style.filter="blur(1vh)"
c.width|=0;x.scale(23,23);for(i=96;i--;)for(j=54;j--;)if(t*(g=.1))x.fillRect(i+S(j/g),j+S(t*j/i/g),z=.9,z)

Oct 28 2022 10:05 PM UTC

}// 133/140

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DazeWare

remix of d/26413 by u/DazeWare

function u(t) {

c.style.filter="blur(1vh)"
c.width|=0;x.scale(23,23);for(i=96;i--;)for(j=54;j--;)if(t*(g=.1))x.fillRect(i+S(j/g),j+S(t*4+i/g),z=.9,z)

Oct 28 2022 10:05 PM UTC

}// 133/140

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danny@hille.dk

remix of d/26384 by u/danny@hille.dk

function u(t) {

for(w=i=c.width|=r=60;i--;x.beginPath())x.fill(x.arc(960+C(i)*i,540+S(i)*i,(t*19+i&15),0,7))

Oct 27 2022 6:25 PM UTC

}// 92/140

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Optical illusion, are the dots moving towards the center or away from the center? static or swirling?

u/joeytwiddle

sometimes i see/imagine white dots eating the black ones

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Odog8

function u(t) {

t?x.fillStyle=R(r=Math.random,150*r(X=r(Y=r()*99)*500)):c.width=500
for(i=4e4;i--;x.fillRect(X+=6*r()-3,Y+=6*r()-3,t<3,3-t));

Oct 27 2022 12:54 AM UTC

}// 125/140

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A Fractal Forest

u/Odog8

aghhh little white gaps still appear occasionally

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KilledByAPixel

function u(t) {

eval(unescape(escape`󩭯󬬨󨼮󭽩󩍴󪍼󟝘󟝩󟜱󝜰󞽩󛜭󞼩󩭯󬬨󦌫󟝃󚍩󚭩󚜪󝌬󪬽󜬵󞽪󛜭󞼩󮌮󩭩󫍬󤭥󨽴󚌮󛬮󪜾󜜳󞌿󦼳󜌰󚼨󪜭󜜳󞌩󚬹󞜫󤼨󭌩󚬳󜌰󛌴󜌰󛌵󜌬󜬰󜍝󞭛󦌫󪬪󞌫󝼰󜍼󜌬󪜪󞌬󞌬󞌬󮌮󩭩󫍬󤽴󮝬󩜽󨍨󬽬󚌤󮽪󚬳󚽴󚬳󜍞󪜪󜼫󭌪󞜹󯜠󞜹󙜤󮼲󞌭󠼨󪬯󝌩󚬲󜭽󙝠󧜩`.replace(/u../g,'')))

Oct 26 2022 7:59 PM UTC

}// 138/140

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Torn Default - Revealing what is hidden behind #default

u/cantelope

hate to be critical, but it would be better with the inner shadow only on one side. very cool still!
u/KilledByAPixel

i could see that, was thinking of the shadow as ambient occlusion from the paper above
u/4ce

u/cantelope "shadow only on one side" => d/26406 .split("C(j/4)").join("C(j/5)"); //(or simple language: change "C(j/4)" to "C(j/5)") ^_^(?)
u/cantelope

cool. works \o/
u/cantelope

I mean looks bad

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