Dweets awesomed by u/bandaloo

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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TommyVelz

remix of d/21836 by u/TommyVelz

function u(t) {

c.width=2e2
A=Math.abs
x.R=x.fillRect
y=80*A(1-t*.789%2)
X=A(1-t%2)
x.R(4+182*X,y+9,4,4)
x.R(0,(1-X)*y+X*45,4,25)
x.R(190,X*y+(1-X)*35,4,25)

Mar 6 2021 3:10 PM UTC

}// 140/140

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Mash-up with https://www.dwitter.net/d/135

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nystrand

function u(t) {

eval(unescape(escape`𩡯𬠨𨰮𭱩𩁴𪀦👩🐶𩐳𞱱🐭𛑩𛰳𯀰𞱸𛡦𪑬𫁒𩑣𭀨𨐯𚁺👺𛰹𞐹𚰮𜀴𚐫𞐰𜀬𨠯𮠫𝐰𜀬𦠽𛠰𜐯𮠯𮠬𦠩𚑛𨐬𨠬𮡝👸𦱱𧑼𯁛𜀬𜀬𝠮𜱝𛁁👺𚡱𙐳𯀰𛁂👱𛱺𙐳𯀰𛁸𦱱𧐽𭀿𦱢𚱡𛰹𞐬𮠬𨐭𨠯𞐹𧐺𛐭𠑼𛐭𠠿𦱡𚱁𚡺𛁢𚱂𚡺𛁩𙐳🱺𛰳𞠹𛐨𬐦𜠩𚠹𧐺𦱝`.replace(/u../g,'')))

Mar 5 2021 3:49 PM UTC

}// 139/140

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Hollow and somewhat damaged Menger sponge

u/New_Core

"You will be assimilated. Resistance is futile." (comes up in my mind when I see it)
u/UEZ

Well done. Looks very nice. Can somebody explain me what this is about: [a,b,z]=x[q]||[0,0,6.3]. I assume it has something to do with arrays... Thx :-)
u/tomxor

It's called destructuring. The right hand side simply evaluates to an array (x[q] or [0,0,6.3] is x[q] is falsey). Then the elements of this array are assigned to variable names based on positions on the left, e.g a=0, b=0, z=6.3. Note that the left hand side is syntactic sugar, it's not an array literal.
u/UEZ

@tomxor: thx for your explanation. :-)
u/aleamb

#p3d #cube #menger #fractal

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BackendForth

remix of d/21811 by u/BackendForth

function u(t) {

c.width=1920
for(k=9;k--;)
for(i=10;i--;)for(j=25;j--;)x.fillRect(400+i*5+300/(1+2**(-39*S(t+k/9*t)+j))+k*100,540+j*8,5,8)

Mar 4 2021 2:48 AM UTC

}// 122/140

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tomxor

remix of d/21734 by u/tomxor

function u(t) {

b='氀氀氀氀氀氀渀渀渀渀漀漀澀柀柠揸懿惿怿怏';eval(unescape(escape`𩡯𬠨𪐽𝠷𜠻𪐭𛐻𮀮𩡩𫁬𤱴𮑬𩐽𨁨𬱬𚀤𮱴𚠸𜀫𦐪𝱽𘀹𞐥𝐰𙑠𚑢𛡣𪁡𬡃𫱤𩑁𭀨𦐽𪐾🠵𚐾🠨𦀽𪐦𜐵𚐦𜐦𙡸𛡦𪑬𫁒𩑣𭀨𚁩𙠱𝠿𝀵𚱘𞠷𜰭𦀩🀼𝀬𜠴𚱙🀼𝀬𜐶𛀱𝠩`.replace(/u../g,'')))

Feb 21 2021 5:43 PM UTC

}// 133/140

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#retro #atari #GEM "Rainbow" #TOS 1.04 logo

u/tomxor

#pixelart
u/tomxor

Traced from a real TOS ROM running on Hatari to get the pixels right.
u/magna

Lovely!
u/New_Core

nice

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bandaloo

remix of d/18708 by u/bandaloo

function u(t) {

c.style.filter="blur(4px)contrast(9";i=(t*60)%240;for(j=135;j--;)x.fillStyle=R(x.fillRect(i*8,j*8,8,8),(i&j)*t/4,j^i)

Feb 21 2021 7:11 AM UTC

}// 117/140

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u/Xen

#waitforit #sierpinski

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danny@hille.dk

remix of d/16528 by u/katkip

function u(t) {

x.fillStyle='#0001'
x.fillRect(0,0,2e3,2e3)
for(i=24;i--;)for(p=j=50;j--;)
x.clearRect(j*p+S(S(i/6+t)*6)*p-p,i*p+S(S(j/9+t)*S(t)*6)*p-p,9,9)

Feb 20 2021 6:47 PM UTC

}// 140/140

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random remix

u/Qwitter

nice!

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Xen

remix of d/21719 by u/Mikk990a

function u(t) {

for(c.width=i=1e3;i--;x.arc(450,300,i,i/t,i/frame*9));x.stroke()

Feb 20 2021 5:50 PM UTC

}// 64/140

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golf and play

u/danny@hille.dk

love it
u/Qwitter

cool && stylish
u/magna

WOW!

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anotherkitten

function u(t) {

for(i=99;i--;)x.fillStyle=R(255,180+S(t-i/4)*20,220+C(i/4+t*6.73)*30),x.fill(p=new Path2D(),p.arc(960+S(t)*5*(99-i),540,i*15,i/4+t,i/4+t+2))

Feb 20 2021 7:05 AM UTC

}// 140/140

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spiraling walls

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Pascal

function u(t) {

for(c.width|=i=0;i<9;i++)x.rotate(S(i*i+t)/80),x.fillRect(510+i*100+C(t)*300+9*S(i*i+2*t)-3*C(t),440-5*S(t*3+i),50+5*C(t),200+9*S(t*3+i))

Feb 19 2021 6:50 PM UTC

}// 137/140

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drunk #default

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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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