Dweets awesomed by u/donbright

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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ntsutae

remix of d/20532 by u/ntsutae

function u(t) {

c.width|=X=1e3,Y=X/2
for(i=2e3;i--;x.fillRect(X+=C(d*=Math.PI/3),Y+=S(d),9,9),x.fillRect(2e3-X,1e3-Y,9,9))d=S(i/84+t-C(i/99-t))*4^0

Nov 10 2020 3:51 AM UTC

}// 132/140

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#symmetry

u/donbright

wild
u/SockTaters

Brilliant! Looks like one of those animations of the inner workings of a cell -- DNA polymerase or something like that #underrated

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KilledByAPixel

function u(t) {

with(x)for(c.width|=i=2;i--;clearRect(0,0,2e3,2e3))scale(i?30:1,i?30:-1),fillText('SYMMETRY',2,(i?20:-16)-1.7*C(t)),clip(rect(0,18,2e3,18))

Nov 10 2020 1:23 AM UTC

}// 139/140

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EXOOOOEIBX #SYMMETRY

u/donbright

haha... cool

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pavel

function u(t) {

for(c.width=960,j=8;j--;)for(i=20;i--;)x.arc(480,270,2**((i>>1)+i%2/2-j%2/2+t/3%1),a=(j+i%2)*Math.PI/4,a);x.fill()

Nov 10 2020 12:47 AM UTC

}// 114/140

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Infinite Triangles by MDWoolls

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geb

remix of d/20532 by u/ntsutae

function u(t) {

X=1e3,Y=X/2
for(c.width|=i=2e3;i--;x.fillRect(X+=C(d*=11/7),Y+=S(d),5,5),x.fillRect(2e3-X,1e3-Y,5,5))d=S(S(i/120+t-i/99))*3

Nov 9 2020 5:29 PM UTC

}// 124/140

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Billedluh

remix of d/19581 by u/Billedluh

function u(t) {

eval(unescape(escape`𨰮𭱩𩁴𪁼👷🐸𜀰𒡩𩠨𭀽🐰𚑹👛𧐬𭠽𦱝𒡦𫱲𚁩🐰𞱩🁷𞱩𚰽𝐩𒡻𫰽𪐫𭰻𪑦𚁴🀮𜐩𮑛𪑝👩𛁹𦱯𧐽𚁩𙐴𜀩𛁶𦱩𧐽𭡛𫱝🐲𒡡🐨𚁤👷𛑹𦱩𧐩𚡤𚰨𩠽𭰭𮑛𫱝𚐪𩠩𚠪𛠵𒡸𛡦𪑬𫁒𩑣𭀨𮑛𫱝𚰽𭡛𫱝𚰽𩠪𚁱🐲𩐴𛰨𨐪𨐪𨐩𚐬𮑛𪑝𛐽𭡛𪑝𛐽𩀪𬐬𞐬𞐩𯐻`.replace(/u../g,'')))

Aug 3 2020 1:17 AM UTC

}// 140/140

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Orderly Gravity

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Odog8

function u(t) {

for(i=n=~~(t*120)+1;n%--i;);if(i==1)C=n;throw C

Aug 3 2020 12:09 AM UTC

}// 47/140

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fast primes

u/Odog8

hits every prime, too

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taupelink

function u(t) {

for(i=1e3;i--;x.fillRect(X*320,Y*180,Y%C(d=a[X|0])*X%S(e=a[Y|0]),C(d+e*e)*S(e/d)))X=(r=Math.random)()*6,Y=r()*6,a=[p=X*X,X,q=Y*Y,p+q,Y,p-q]

Aug 2 2020 7:00 PM UTC

}// 139/140

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d/19588

u/taupelink

looks like all-grey on iOS...not sure what's going on
u/taupelink

I think it has to do with the fillRect function and fractional widths. I wonder whether tiny widths get rounded up in iOS, filling in blanks that appear on other systems

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rodrigo.siqueira

remix of d/19564 by u/rodrigo.siqueira

function u(t) {

x.fillRect(0,0,2e3,2e3)
for(var i=5e3;i--;x.clearRect(160*X+950,1e3-Y*99-460,4,4))
var X=(U=S(K=i+t)+3)*S(i*i)+S(t)+C(K),Y=U*C(S(X)+C(t)*4)

Aug 2 2020 4:32 PM UTC

}// 139/140

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living wavy thing

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henrosaurus

function u(t) {

c.width|=f=S(t)* S(t);p=600
for(i=0;i<20;i++)x.arc(960,540,Math.abs(300*T(i)),t+i*S(t),t)
x.lineWidth=9
x.stroke()

Aug 2 2020 3:38 PM UTC

}// 115/140

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the clock-makers nightmare

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henrosaurus

function u(t) {

c.width|=0
with(x)for(i=99;i--;fill())fillStyle=R(255*T(i)*S(i),0,t),beginPath(),arc(960+C(i/t),540+C(i)*i,t*i+Math.abs(T(t)*C(i)),0,6)

Aug 2 2020 3:18 PM UTC

}// 135/140

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fire focus

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