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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.

Try the new frontend: beta.dwitter.net
Current theme challenge: #Food

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KilledByAPixel

remix of d/24073 by u/pavel

function u(t) {

eval(unescape(escape`󭽩󭍨󚍸󚝦󫽲󚍩󟝃󟝴󟽾󠼪󝼦󝜱󜜺󜜶󛍳󭍲󫽫󩝓󭍹󫍥󟜧󬭥󩌧󛍳󭍲󫽫󩜨󚜻󭼽󪜭󛜯󝬻󫍩󫭥󥽩󩍴󪌽󜬵󚝴󟽦󪝬󫍒󩝣󭌨󭌪󝬰󜌭󠼪󥌥󭼬󥌽󜬰󜌫󤼨󭌩󚬲󜌰󚼨󪜥󜬿󪜭󠼺󜌩󛍴󟽷󞭃󛍩󙜲󟼳󞬲󩜳󚜺󨝲󨼨󞜶󜌬󚍱󟝩󟬶󚜿󞌰󜌺󝬶󜌬󪜦󜜿󜜺󜬰󜌬󨜽󚍩󚽱󚜪󛬷󞜬󨜩`.replace(/u../g,'')))

Oct 14 2021 3:16 PM UTC

}// 139/140

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The Blair Witch Project 📹 #ScaryMovies

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yonatan

remix of d/24073 by u/pavel

function u(t) {

u=h=511;for(c.width|=k=0;k<2;k+=.02)for(i=u=u*5&h;w=i--/4;)x.fillRect(((k||S(i))+t/4)%1*h*5-h-u*T%w,T=h+(i&5?i-u:u-i),k?w:u,2+S(T>h&&w+t*9))

Oct 11 2021 8:36 PM UTC

}// 140/140

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Show more comments…
u/KilledByAPixel

nice!
u/yonatan

Thanks. A little too fast, should have been t/8 instead of t/4...
u/aemkei

Thought the same. t/8 is really a calm beauty!
u/yonatan

Yeah, my screen does 30Hz so I only notice it when exporting to a gif.
u/Joachim

I like the animated #water
u/magna

t/h/9*u for parallax
u/magna

Here we go: d/24088

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rep_movsd

function u(t) {

eval(unescape(escape`𤐽𜰴𜀬𦠽𤐯𜠊𤀽𤠽🡑𚱃𚁡𛁙👓𚁡𚐪𚁲𚠳𛑲𚡲𛱚𚐩𚡲𛐨𡀽𚁙𚡙𚐪𚠮𝐩𚱓𚁄𛰱𞀩𚠱𜀪𚁙🠰𚐊𭱩𭁨𚁸𚑦𫱲𚁦👦𬡡𫑥𛐱𛁡👦𛰹𞑼𯁲𫱴𨑴𩐨𛐷𚐬𢀽𩠥𤐭𞐹𛁲👈🱚𚰱𜀺𦠭𞐹𞱲𛐭🠨𢀿𩠥𝐲🱚𞡚𛐵𜀺𜀩𞰩𨐼𝰦𙡦𪑬𫁒𩑣𭀨𤀨𚐬𦐫𤐪𜠬𢀿𝀺𞐬𝀩`.replace(/u../g,'')))

Jun 28 2021 10:56 PM UTC

}// 140/140

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Dali's Melting Clock #time #art

u/DataMeta

wow! #art
u/DataMeta

so #surreal I duplicated a tag!
u/jellyedwards

Amazing!
u/aleamb

wow!!!
u/KilledByAPixel

nice

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rep_movsd

function u(t) {

eval(unescape(escape`𨰮𭱩𩁴𪁼👱🐱𝐰𒡋👆🐾𚁃𚁩𚡩𚐫𜠩𚡆𒡦𫱲𚁂🐴𞱂𛐭𞰩𩡯𬠨𪠽𜠰𛁰🐹𝠰𛁚👂𚰲𞱪𛐭𞱚𛐽𜐯𬐩𩡯𬠨𣰽𪠿𜐺𝐬𦀽𛑴𚡰𛁩👱𞱩𛐭𞱘𚰽𥰫𢰨𬐩𚑈👋𚁰𛰲𚐬𥰽𢰨𬐩𛁸𛡦𪑬𫁓𭁹𫁥👒𚁍👏𚠴𜀬𣐬𣐩𛁸𛡦𪑬𫁒𩑣𭀨𬀫𦀯𦠫𣰬𬀬𥰯𦠭𣰪𜠬𛑈𛱚𚱏𚐻`.replace(/u../g,'')))

Jun 24 2021 10:32 PM UTC

}// 140/140

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Parallax Buildings #3d #scroller

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u/taupelink

cool!
u/donbright

:)
u/rep_movsd

I made a mistake of repeating the same sequence in each layer.
u/DataMeta

nice one! didn't notice that until you mentioned it ;)
u/aleamb

amazing!
u/katkip

#parallax

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KilledByAPixel

remix of d/22907 by u/KilledByAPixel

function u(t) {

for(w=c.width&=i=10368;i--;S[i]=S[i]+T[i]/4||0)x.fillRect(i%w,i/w,1,T[i]=C(i**3)+T[i]*.9-(4*S[i]-S[i-1]-S[i+1]-S[i-w]-S[i+w])/5||0)

May 31 2021 4:02 PM UTC

}// 131/140

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Plasma

u/KilledByAPixel

#plasma

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New_Core

function u(t) {

for(c.width|=i=a=540;i--;x.fillRect(960+a*S(v=i>>2)*Z,a+a*C(v)*Z,b=Z*50,b))Z=99/((i-t*99)%a+a),x.fillStyle=`hsl(${i},99%,${(a/Z/20)-i%4*9}%`

May 20 2021 6:26 PM UTC

}// 140/140

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u/miratcan

what is $ for?
u/magna

x.fillCube()
u/rep_movsd

${x} surrounded by backticks is ES6 javascript syntax - it puts the value of x in the string
u/Agnes

${} is usually more characters than string concatenation, but if you're doing mathematics in the expression (like "(a/Z/20)-i%4*9" here) you end up needing to surround it with so many parentheses if you're doing string concatenation that template strings are handier.
u/Agnes

${} is usually more characters than string concatenation, but if you're doing mathematics in the expression (like "(a/Z/20)-i%4*9" here) you end up needing to surround it with so many parentheses if you're doing string concatenation that template strings are handier.

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New_Core

function u(t) {

eval(unescape(escape`𮀮𩡯𫡴🐧𜡥𫐠𨐧𛁸𛡦𪑬𫁔𩑸𭀨𙱜𭐲𝠲𜀠𙰬𜰬𜠵𚐊𭀿𜀺𩀽𮀮𩱥𭁉𫑡𩱥𡁡𭁡𚀰𛀰𛁶🐳𝠬𭠩𛡤𨑴𨐊𩡯𬠨𨰮𭱩𩁴𪁼👷👩🐹𜰶𞱩𛐭𞰩𩐽𪐥𭠪𝠬𩁛𪐪𝀫𜱝🠵𜁼𯁸𛡦𪑬𫁒𩑣𭀨𦀽𩐫𩐯𜠪𤰨𭀭𪐯𭰩𚱷𛁩𛰳𛑥𚡃𚁴𛑘𛰹𞐩𚱥𚰵𜀬𞐬𪐼𜐿𭰺𞐩`.replace(/u../g,'')))

Apr 6 2021 5:55 PM UTC

}// 137/140

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i combined two tricks and made a pirate flag =)

u/Xen

nice!
u/aleamb

#flag #pirateflag

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rodrigo.siqueira

remix of d/21726 by u/rodrigo.siqueira

function u(t) {

c.width=1e3
x.lineWidth=.2
for(i=2e3;i--;x.arc(500+300*C(t),282+88*S(t),i,K=i**(1.13+t/1e5)-t/9,K));x.stroke()

Mar 1 2021 1:18 PM UTC

}// 110/140

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Rotating sketch ball with inside triangle

u/danny@hille.dk

Illuminati confirmed! 😮
u/Qwitter

that is good.
u/Qwitter

smell th e flower

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nystrand

function u(t) {

eval(unescape(escape`𩡯𬠨𪐽𭰽𜡥𜰬𩰽𚁯𛁡𛁢𛁺🐶𙑢𚱩𙐳𚠷𛁚👺𛰸𞀸𚰮𜀳𛁖👩𙐳𚠸𞐩🐾𫠭𛐿𩰨𭀯𫠭𥠬𨠪𠰨𫰩𛑡𚡓𚁯𚐬𮠬𨐪𠰨𫰩𚱢𚡓𚁯𚐩𞡸𛡦𪑬𫁒𩑣𭀨𨐯𦠫𞐶𜀭𭰬𨠯𦠫𝐲𜀭𭰬𠠽𜠪𭰯𦠬𠠬𮀮𩡩𫁬𤱴𮑬𩐽𤠨𥠭𭰬𜠯𦠭𭰬𜐳𞐭𥠬𭰽𛠲𚐩𞱩𛐭𞰩𩰨𪐬𫠽𝠬𪐥𝰩`.replace(/u../g,'')))

Feb 26 2021 5:52 PM UTC

}// 140/140

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u/rodrigo.siqueira

Amazing! Welcome back, Nystrand. I still remember the B&W version of this one (/d/14899). And your dweet d/4388 (Sierpinski witchcraft) is one of the most amazing I've ever seen. Thanks.
u/nystrand

Thank you Rodrigo!
u/vain

hot stuff. like the colors and motion blur

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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!