New #disco dweets

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: #Opposites

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danny@hille.dk

remix of d/23526 by u/danny@hille.dk

function u(t) {

eval(unescape(escape`󨼮󭽩󩍴󪌽󭼽󞜹󞽦󫽲󚍭󟜶󩜳󞽭󛜭󞽸󛭦󪝬󫍓󭍹󫍥󟝒󚍲󟝢󚬹󚽓󚍡󛼹󚜪󤼨󨬯󞌫󭌪󞜫󪼩󚭷󛍲󚬮󝜩󚝸󛭦󪝬󫍒󩝣󭌨󨜽󫜥󭼬󨬽󫜯󭽼󜌬󜬬󜜭󚌨󦜽󛜱󚼲󚭡󛽷󚜪󚍯󟜨󜼭󚌴󛜵󚬨󩜽󚍘󟜱󛜨󪼽󤼨󭌥󜼮󜬩󚜭󜬪󨬯󭼩󚭘󚽙󚭙󚜩󚬪󛬵󚜯󚼫󩜩󚭷󚽴󚭷󙭷󧭘󚭯󚭷󙭷󚜯󭼩`.replace(/u../g,'')))

Aug 16 2021 6:39 PM UTC

}// 140/140

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bug fix & tweek remix

u/danny@hille.dk

#fire #ball #disco #inferno

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danny@hille.dk

remix of d/23514 by u/danny@hille.dk

function u(t) {

eval(unescape(escape`󨼮󭽩󩍴󪌽󭼽󞜹󞽦󫽲󚍭󟝷󚭷󞽭󛜭󞽸󛭦󪝬󫍓󭍹󫍥󟝒󚍲󟝭󛼸󚽓󚍡󛼹󚜪󤼨󨬯󝬫󭌪󞜫󤼨󨜯󞌭󭌪󜼩󚜪󭼬󬬪󛬶󚜩󩜽󚍘󟜱󛜴󚭭󛽷󛽷󚜪󦌫󚍙󟜭󜬫󝌪󚍭󙝷󚜯󭼩󚭙󛍸󛭦󪝬󫍒󩝣󭌨󨜽󫜥󭼬󨬽󫜯󭼬󜜬󜜭󚍙󚬨󫼽󚌳󛜨󝌭󝜪󩜩󚬪󛬵󚜯󚼫󩜩󚭷󚽴󚭷󙭷󧭘󚭯󚭷󙭷󚜯󭼩`.replace(/u../g,'')))

Aug 9 2021 9:05 PM UTC

}// 140/140

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disco inferno remix - #disco #ball #spere #fire

Show more comments…
u/danny@hille.dk

uncompressed: c.width=w=99;for(m=w*w;m--;x.fillStyle=R(r=m/8+S(a/9)*S(b/6+t*9+S(a/8-t*3))*w,r*.6))e=(X=1-4*m/w/w)*X+(Y=-2+4*(m%w)/w)*Y,x.fillRect(a=m%w,b=m/w,1,1-(Y*(o=(3-(4-5*e)**.5)/++e)*w+t*w&w^X*o*w&w)/w)
u/danny@hille.dk

2 more variants:
u/danny@hille.dk

c.width=w=99;for(m=w*w;m--;x.fillStyle=R(r=m/8+S(a/9)*S(b/6+t*9+S(a/8-t*3))*w,r*.6))e=(X=1-4*m/w/w)*X+(Y=-2+4*(m%w)/w)*Y,x.fillRect(a=m%w,b=m/w,1,1+(Y*(o=(3-(4-5*e)**.5)/++e)*w+t*w&w^X*o*w&w)/w)
u/danny@hille.dk

and
u/danny@hille.dk

c.width=w=99;for(m=w*w;m--;x.fillStyle=R(r=m/8+S(a/9)*S(b/6+t*9+S(a/8-t*3))*w,r*.6))e=(X=1-4*m/w/w)*X+(Y=-2+4*(m%w)/w)*Y,x.fillRect(a=m%w,b=m/w,1,(Y*(o=(3-(4-5*e)**.5)/++e)*w+t*w&w^X*o*w&w)/w)
u/danny@hille.dk

I think this is my favorite:
u/danny@hille.dk

c.width=w=127;for(m=w*w;m--;x.fillStyle=R(r=m/8+S(a/9)*S(b/6+t*9+S(a/8-t*3))*w,r*.6))e=(X=1-4*m/w/w)*X+(Y=-2+4*(m%w)/w)*Y,x.fillRect(a=m%w,b=m/w,1,(Y*(o=(3-(4-5*e)**.5)/++e)*w+t*w&w^X*o*w&w)/w*2)
u/neimad

wtffffffff
u/magna

constraints stoke fire
u/ullo

good

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danny@hille.dk

remix of d/23513 by u/KilledByAPixel

function u(t) {

c.width=w=98;for(m=w*w;m--;x.fillRect(m%w,m/w,1,(Y*(o=(3-(4-5*e)**.5)/++e)*w+t*w&w^X*o*w+t*w&w)/w))e=(X=1-4*m/w/w)*X+(Y=-2+4*(m%w)/w)*Y

Aug 8 2021 3:43 PM UTC

}// 135/140

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lores #disco #ball #spere remix

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danny@hille.dk

remix of d/23472 by u/danny@hille.dk

function u(t) {

eval(unescape(escape`񩡯𬤨񨰮󭱩󩍴𪌽񭰽𜨵񝘬𩀽𫥥𭸠򢙭򨑧󩝄󨑴𨐨񭸬󭴩񛁭🕷󚭷򛍩😭񜘻򫔭񛔻𩀮񩉡򭅡󦱩𚴽񝉝🐭𦐪򚍯🔳𛔨󝌭򝔪󩐩򚨪𛠵𚔯𚍥󚴱񚔪򭰭򭄪𞐹󙥷񧭘𚥯򛸨𩔫𜘩񚩷򚽴򚨹󙥷𚝥🐨𚉘🐭򜜫󜤪𚉭󛹷󯀰򚜯𭰩򚡘򚼨񦔽򛘱𚴲󚨨󫜥󭴩񛹷󚘪𦘩𚬪󜬊𮌮󬁵𭍉󫕡񩱥𡉡򭉡񚉤󛄰򛄰񚜻`.replace(/u../g,'')))

Aug 6 2021 2:10 AM UTC

}// 138/140

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#disco remix

u/danny@hille.dk

#sphere

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KilledByAPixel

function u(t) {

eval(unescape(escape`𩡯𬠨𮀮𩡩𫁬𤡥𨱴𚀰𛀰𛁺🐱𩐴𛁺𚐬𪐽𜠰𞱩𛐭𞰩𩡯𬠨𪠽𬠽𚁩𚠱𞐭𪐪𪐫𞐩𚠪𛠵𚠴𯀰𞱪𛐭𞱸𛡦𪑬𫁒𩑣𭀨𞐶𜀫𚁪🡲𛰲🱔🐹𞐺𜐲𚐪𬠪𠰨𨐪🐶𛱲𚐬𪐪𝐰𛁔𚡓𚁡𚐬𝐰𚐩𮀮𩡩𫁬𤱴𮑬𩐽𤠨𭠽𪐿𜐴𜀭𠰨𤰨𪐩𚡔𚠨𚁡👪𚱴𙐱𚐯𮠫𥀩𚠪𜠩𚡔𞠰𛁶𚡩𛰹𛁶𚐻`.replace(/u../g,'')))

Apr 1 2020 3:25 PM UTC

}// 140/140

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#Disco #Dancing

u/tomxor

nooice
u/sigveseb

Oh damn this looks great

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katkip

function u(t) {

t/=9;for(i=20;i--;)for(j=20;j--;)x.fillStyle=`hsl(${C(i*i-t)*C(j*j+t)*360} 99%50%)`,x.fillRect(96*i,54*j,86,44)

Jan 29 2019 5:56 PM UTC

}// 111/140

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#disco #color

u/SMON

Uhm...how does one get started making things on this site? :)

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katkip

function u(t) {

c.style.background=R(t*25%256,t*50%256,t*75%256);c.width=50;x.fillText(t*25%256*100/256|0,20,15)

Aug 30 2018 8:19 AM UTC

}// 96/140

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#disco

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PietPtr

function u(t) {

c.width=700
for(i=0;i<390;i++){
x.fillStyle=`hsl(${S(t+i)*255},50%,50%)`
x.fillRect(i%30*30,Math.floor(i/30)*30,28,28)
}

Feb 7 2018 11:03 PM UTC

}// 120/140

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u/magna

Nice!
u/katkip

#disco

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FireFly

function u(t) {

for(c.width|=M=Math,i=2e4;i--;x.fillRect(A*8,B*8,W=9+M.atan2(M.sqrt(1-X*X-Y*Y),X)*3-t*4&7^4-M.asin(Y)*3,W))X=(A=i%135)/67-1,Y=(B=i/135)/67-1

Mar 4 2017 6:26 PM UTC

}// 140/140

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Raycasted rotating sphere with UV-mapping!

Show more comments…
u/sfz

... ??? !!!
u/iverjo

Impressive! I like the c.width|=M=Math hack. Apparently Math is evaluated to NaN in the process.
u/iverjo

http://stackoverflow.com/a/11037887/2319697
u/alien

god... i can't understand this yet but is awesome...
u/sigveseb

So good!
u/donbright

standing ovation
u/tomkh

great job! some tricks here really opens new possibilities
u/mxfh

you can do M.sqrt() with ES6 power operator as **.5 should yield a net gain of 2 chars
u/FireFly

Oh right! I haven't gotten used to it yet since I'm on Fx51, which doesn't seem to support ** yet. Thanks!
u/FireFly

Oh, and also thanks for all the positive responses, everyone :)
u/iverjo

#sphere
u/lionleaf

#disco
u/f8f82804

#halftone #dithering #shading

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