Dweets awesomed by u/DataMeta

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: #Opposites

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tomxor

remix of d/21704 by u/tomxor

function u(t) {

eval(unescape(escape`𩡯𬠨𮁛𩠽𙱦𪑬𫁒𩑣𭀧𧐨𜀬𜀬𨰮𭱩𩁴𪀽𜐸𜀬𪐽𫀽𜐵𜰰𚐻𪐭𛐻𮁛𩡝𚁘𚠶𛁙𚠶𛀱𚱋𛀵𚐩𦀽𪐥𞐰𛰳𛁙👩𛰹𜀬𡠽𭀪𝐸𛑩𛱬𛁁👘𚰸𚡓𚁾𡠯𞐫𦐯𞐩𛁋👆𙐱𛰴𚰡𘐨𠐯𜐷𛐱𝠯𜐸𯁙𛰴𛐱𜀯𝑼𠐫𜠦𜠩𛰲𛁸𛡦𪑬𫁓𭁹𫁥👠𪁳𫀨𙁻𪐪𜐲𜁽𘀹𞐥𙁻𢰪𞐹𯐥𨀻`.replace(/u../g,'')))

Feb 18 2021 2:32 PM UTC

}// 140/140

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#retro #crt #default @60Hz-ish

u/Odog8

Beautifulllll
u/Qwitter

cool!
u/neimad

This is amazing.
u/aleamb

superb!
u/magna

YES!!

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Xen

remix of d/8535 by u/pythech

function u(t) {

with(x)for(i=99;i--;fill())arc(960-1e3*S(i-t*2),540+540*C(i+t*3),i,!beginPath(fillStyle=`hsla(${i*t},70%,50%,.01)`),t)

Feb 16 2021 9:54 PM UTC

}// 118/140

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Psychedelic Tartan Remix

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rodrigo.siqueira

remix of d/21669 by u/Pascal

function u(t) {

c.style.filter=`blur(2vw)contrast(99`
for(c.width|=i=244;i--;x.fill(x.arc((X=i%18)*120,T(t-X)*i,z=99+99*C(t/6+i/2),4+z/9,z/9)))x.beginPath()

Feb 16 2021 1:39 AM UTC

}// 140/140

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Liquid dripping

u/tomxor

looks like #mud
u/joeytwiddle

#metaballs

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DaSpider

function u(t) {

eval(unescape(escape`𨰮𭱩𩁴𪀽𞐹𒡰🐱𝠊𪠽𜐊𨰮𬱴𮑬𩐮𩡩𫁴𩑲🐧𨡬𭑲𚀱𝑰𮀩𨱯𫡴𬡡𬱴𚀳𚑩𫡶𩑲𭀨𙰊𮀮𩡩𫁬𤱴𮑬𩐽𤠨𜀬𜐳𜀬𜠵𝐩𒡦𫱲𚁩🐲𞱩🠰𞱩𛐽𛠳𛰨𬀫𭀩𚑸𛡦𪑬𫁒𩑣𭀨𬀪𚀳𚰨𪠽𛑪𚐪𪐩𛁰𚠨𜠫𚁩𚠪𛠰𜐪𚁃𚁩𚐪𚠮𝐪𠰨𜠰𜀪𪐫𭀩𛑩𚠪𛠳𚐩𚐬𝀬𝀩`.replace(/u../g,'')))

Feb 14 2021 8:51 PM UTC

}// 137/140

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#Valentines #Heart

u/neimad

So cool in so many ways.
u/ciaccodavide

Clever!
u/magna

Lovely!
u/sigveseb

very nice!
u/aleamb

amazing!

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tomxor

function u(t) {

// Xorshift 32
R ^= R << 13
R ^= R >>> 17
R ^= R << 5

// U(0,1)
f = (R>>>0)*2**-32
// Plot
x.fillRect(f*2e6%2e3,f*1e3,9,9)
// Seed
R = R||1

Feb 13 2021 12:31 PM UTC

}// 140/140

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#Xorshift 32 #PRNG

u/tomxor

I felt that there are too many extremely unecessarily long examples of xorshift32 implementations out there, with lots of fluff around the outside. It's a very nice and simple little PRNG and this is all the code you need to turn it into a unit interval (i.e the type and range you get from Math.random()): (x>>>0) * 2**-32. This conversion method is far from perfect and results in some bias, but so does the PRNG itself...

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katkip

remix of d/21662 by u/Pascal

function u(t) {

c.style.filter=`invert(`
for(c.width|=0,i=244;i--;x.fill(x.arc((X=i%18)*120,(i-X)*7.5+60,z=80+S(t+i*19+t)*50,3.9+z/7,7+z/7)))x.beginPath()

Feb 13 2021 11:12 AM UTC

}// 138/140

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d/21666

u/joeytwiddle

I see scurrying insects

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Pascal

function u(t) {

eval(unescape(escape`⡦ꑯ⡲ꐨ⡣ꐮ⡷ꑩ⡤ꑴ⡨ꑼ⠽ꑩ⠽ꐰ⠻ꑩ⠫ꐫ⠼ꐹ⠻ꐩ⡸ꐮ⡦ꑩ⡬ꑬ⡒ꑥ⡣ꑴ⠨ꐴ⠰ꐰ⠫ꑩ⠪ꐹ⠹ꐫ⡓ꐨ⡴ꐩ⠪ꐳ⠰ꐰ⠬ꐴ⠰ꐰ⠬ꐵ⠰ꐬ⠲ꐰ⠰ꐩ`.replace(/u../g,'')))

Feb 12 2021 10:22 PM UTC

}// 107/140

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cool obfuscation characters

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Pascal

function u(t) {

for(c.width|=0,i=144;i--;x.fill(x.arc((X=i%16)*120+60,(i-X)*7.5+60,(.5+S(t)/2)*(8*C(i*i+t*2)+S(i*i/5+t))**2,a=2*S(i+t),2+a)))x.beginPath()

Feb 12 2021 7:57 PM UTC

}// 138/140

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Odog8

function u(t) {

t?0:c.width=40
y=frame
x.fillRect(y%16+1,~~(y/16)+1,1,'êᠵ珔ᇠ팈龏㯡ꅰ骃ᛈȷ赇缴䱬꽌࠘駂蝫ᛢࡒ'.charCodeAt(y/10).toString(3).split``.reverse()[y%10]/2)

Feb 12 2021 7:19 PM UTC

}// 137/140

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Mario! Took forever to golf

u/Odog8

#pixelart #mario
u/Odog8

If you change some of the parameters, you could set it to 4 colors, but i didnt need to lol
u/rodrigo.siqueira

You can save 2 characters if you remove 2 first lines of code and start with: t?x.fillRect(y++%16..... and end with: .../2):(y=0,c.width=40)
u/Odog8

oh sick, i didnt think of that! thanks man

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taupelink

remix of d/21652 by u/taupelink

function u(t) {

for(i=k=270;i--;x.fillRect(k*X,k*Y,p/t,q/t))f=97*i*t,X=f*f%8,Y=X*f%4,h=i*C(Y*C(p=64*Y*C(X/i))^X*S(q=36*X*C(Y/i))),x.fillStyle=R(h&q,h&p,2*h)

Feb 11 2021 11:57 PM UTC

}// 140/140

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d/21653

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