Top dweets of all time

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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rodrigo.siqueira

remix of d/28101 by u/rodrigo.siqueira

function u(t) {

for(c.width<<=i=2e4;i--;x.fillRect(960+C(K=i+t/4+1/a)*740*a,540+S(K)*490*a,30*a,30*a))a=(i/C(i*2)+t/6)%2-2

Jul 7 2023 9:46 PM UTC

}// 106/140

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The double spiral vortex #vortex #spiral

u/UEZ

looks great, maybe inverted colors would be nicer.
u/UEZ

no, inverted doesn't look better imho ^^
u/NoName

very fun

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taupelink

remix of d/28081 by u/taupelink

function u(t) {

eval(unescape(escape`景爨椽㘰〻椭ⴻ砮晩汬⠩⥢㵩┱㔬焽椯㐫琯㌬樽焭戥⸷⩴ⱸ⹢敧楮偡瑨⡸⹦楬汓瑹汥㵢㽒⠰Ɫ⨳Ⱪ⼵Ⱪ⼱攴⤺刨椬椪⸹Ⱪ⨮㠬椥㜯㤩⤬砮慲挨⡱⨲⴨椥㘰⤪⨲⼳攳⩴⤥㤪㈴〬焯㈥㄰⨱㈰Ⱪ⼲〫截戬樬樭ㄩ`.replace(/u([^D].)/g,'$1%')))

Jul 2 2023 7:58 PM UTC

}// 140/140

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d/28082

u/tomxor

The colours in this one are remeniscent of a painting... can't remember

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taupelink

remix of d/28074 by u/taupelink

function u(t) {

eval(unescape(escape`景爨椽㘰〻椭ⴻ砮晩汬⠩⥬㴨渽椫㤩┱㔬樽椫琯㌬夽椯㘥㄰⨱㔬砮扥杩湐慴栨砮晩汬却祬攽氿刨夬椯㤰⨫⭬Ⱪ⼳ⱬ⼳〰⤺刨渥ㄶ⨱㠬椥㈷⨹ⰴ攴⽮⤩ⱸ⹡牣⡘㵩⼲┹⨲㐰ⱙ⨽㠬ㄸ〬樬樭㐩ⱸ⹬楮敔漨堬天`.replace(/u([^D].)/g,'$1%')))

Jun 30 2023 12:43 PM UTC

}// 140/140

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d/28075

u/Xen

love it!

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rodrigo.siqueira

function u(t) {

for(i=8e3;i--;x.fillRect(960+q*S(u=i*i*t)/K*800,540-S(i/t)/K*3e3,t<6,S(K/99+3)*9))q=9|C(i),K=q*S(u)+9

Jun 30 2023 4:02 AM UTC

}// 101/140

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Construction #1

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redactedhoptional

function u(t) {

for(c.width=X=213;X>0;X--)for(h=0;h<7;h++)x.fillStyle=`hsl(${"0012479"[h]*31},99%,50%)`,x.fillRect(X,h*20+h*S((X+99*t)/(S(h+t)+10))-20,1,40)

Jun 28 2023 12:35 AM UTC

}// 140/140

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Quick thing I made to celebrate #pride month!

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rodrigo.siqueira

function u(t) {

w='';for(i=120*S(t/C(t/4))**2;i-->0;window.scrollTo(0,B.scrollHeight))w+=" "
document.write(w+`dwitter<br><body bgcolor=0 text=#0c5 id=B>`)

Jun 26 2023 9:17 PM UTC

}// 139/140

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Dwitter Scroll at 60 lines per second. #text

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taupelink

function u(t) {

for(i=1e4;i--&&t<5;x.fillRect(60*X,60*Y,1,1))f=3+(S(X=i**3*t%32)+S(Y=i *i*t%18))**2,x.fillStyle=R(9*f,9*(f+=X/2%f),7*(f+=Y%f),.2/f+f**8/1e9)

Jun 19 2023 10:46 PM UTC

}// 140/140

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d/28019

u/Joachim

#shading
u/UEZ

Some look like "Nazar boncuğu" aka "Evil eye bead" - nice

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rodrigo.siqueira

remix of d/27961 by u/taupelink

function u(t) {

for(i=1e4;i--&&t<5;x.fillRect(80*X,60*Y,(Y/f&1)%2,(X^f))%1)X=i*t%26+1,Y=i/t%18,f=1+(T(X)-C(Y+S(X/9)))**2,f+=C(X)**-7/f,x.globalAlpha=f/8

Jun 12 2023 1:42 PM UTC

}// 136/140

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u/Xen

nice style!

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@noel

function u(t) {

eval(unescape(escape`󩭯󬬨󮌮󨽬󩝡󬭒󩝣󭌨󜌬󜌬󜜹󜬰󛌱󜌸󜌩󛍪󟜭󜜻󪬼󚍷󟜲󝜵󚜻󪜫󚼩󩭯󬬨󮜽󜬪󪬫󚼯󭼭󜜬󪜽󛜱󞽩󟍷󞽩󚼫󚝫󟜲󚭩󛽷󛜱󛍤󟝍󨝴󪌮󬽱󬭴󚍫󚭫󚽹󚭹󚜬󨜽󣝡󭍨󛭡󭍡󫬲󚍹󛍫󚜬󮬽󭼪󠼨󨜩󛽤󚽴󚭷󧭷󚭓󚍡󚜯󩌫󭌪󭼬󮌮󩭩󫍬󤭥󨽴󚌴󜬰󚼴󚭩󛌴󚭪󛍮󟜨󮬦󭼩󛽷󚬴󛍮󚜻`.replace(/u../g,'')))

Jun 3 2023 1:02 PM UTC

}// 140/140

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Remix of d/27866 Stereographic Projection

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u/@noel

I don't know why I couldn't post this in the 'change code box'. Maybe compressed code isn't allowed there?
u/@noel

I changed the code following a suggestion by u/KilledByAPixel who indicated that using fillStyle in a big loop slows the code a lot. And indeed, the framerate doubled. Though I had to use clearRect now. Maybe there is another solution for that? for(x.clearRect(0,0,1920,1080),j=-1;j<(w=255);i++)for(y=2*j++/w-1,i=-1;i<w;i++)k=2*i/w-1,d=Math.sqrt(k*k+y*y),a=Math.atan2(y,k),z=w*C(a)/d+t*w^w*S(a)/d+t*w,x.fillRect(420+4*i,4*j,n=(z&w)/w*4,n);
u/danny@hille.dk

Setting the width or height of the canvas will reset the canvas. c.width+=0 will do the trick, and besides being a great golfing trick, it is also faster than clearRect
u/danny@hille.dk

Math.sqrt(x) can be golfed to x**.5 '**' is an Exponentiation assignment operator: https://developer.mozilla.org/en-US/docs/Web…
u/danny@hille.dk

What you do here Math.sqrt(k*k+y*y) is how you calculate the length of the hypotunusis. javascript math class got you covered with: Math.hypot(x,y)
u/danny@hille.dk

Keep up the good work!
u/@noel

u/danny@hille.dk Thank you so much!
u/@noel

Dear @danny@hille.dk Since you answered so kindly and are obviously skilled in 'golfing' I dare to ask you one more question. I am struggeling to dweet to minify my next dweet. The original code would be: for(h=1080,b=540,c=420,d=950,g=x.createRadialGradient(d,b,0,d,b,c),g[a="addColorStop"](0,"#4BB"),g[a](1,"#005"),x.fillStyle=g,x.fillRect(c,0,h,h),i=6e3;i--;)k=d+S(i+t)*S(i*i)*c,y=b+c*C(i*i),x.fillText("◻️",k,y) But with 210 characters far to big, even compressed (149). So I tried to create the gradient drawing circles like; for(d=950,b=540,s=0,c=420,c.width+=0,i=40;i--;)x.beginPath(s+=2),x.arc(960,540,40*i,0,7),x.fillStyle=hsl(231,${s}%,${s/2}%),x.fill();for(i=6e3;i--;)k=d+S(i+t)*S(i*i)*c,y=b+c*C(i*i),x.fillText("◻️",k,y) But that only saved 7 characters and compressed still has 147. Is there still something possible?
u/danny@hille.dk

Hi @Noel, When making a Dweet, think of best practice and do the opposite: only use variables when you need them, and wait until you need to use them the first time to initialize them. 194b, but I'm sure it can be golfed even further: for(g=x.createRadialGradient(d=950,b=540,0,d,b,e=420),g[a="addColorStop"](0,"#4BB"),(x.fillStyle=g)[a](1,"#005"),x.fillRect(e,0,h=1080,h),i=3e3;i--;)x.fillText("◻️",d+S(i+t)*S(i*i)*e,b+e*C(i*i))
u/danny@hille.dk

Cool effect!
u/danny@hille.dk

eval(unescape(escape\`󩭯󬬨󩼽󮌮󨽲󩝡󭍥󤭡󩍩󨝬󡽲󨝤󪝥󫭴󚍤󟜹󝜰󛍢󟜵󝌰󛌰󛍤󛍢󛍥󟜴󜬰󚜬󩽛󨜽󘭡󩍤󠽯󫍯󬭓󭍯󬌢󧜨󜌬󘬣󝍦󩬢󚜬󚍸󛭦󪝬󫍓󭍹󫍥󟝧󚝛󨝝󚌱󛌢󘼰󜌵󘬩󛍸󛭦󪝬󫍒󩝣󭌨󩜬󜌬󪌽󜜰󞌰󛍨󚜬󪜽󜽥󜼻󪜭󛜻󚝸󛭣󫍥󨝲󤭥󨽴󚍤󚽓󚍩󚽴󚜪󤼨󪜪󪜩󚭥󛍢󚽥󚭃󚍩󚭩󚜬󝜬󝜩\`.replace(/u../g,'')))
u/danny@hille.dk

remove \

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@noel

function u(t) {

eval(unescape(escape`󩭯󬬨󪬽󛜱󞽪󟌨󭼽󜬵󝜩󞽩󚼫󚝦󫽲󚍹󟜭󜜫󜬪󪬫󚼯󭼬󪜽󛜱󞽩󟍷󞽩󚼫󚝻󪼽󛜱󚼲󚭩󛽷󒭤󟝍󨝴󪌮󬽱󬭴󚍫󚭫󚽹󚭹󚜊󨜽󣝡󭍨󛭡󭍡󫬲󚍹󛍫󚜊󮬽󭼪󠼨󨜩󛽤󚽴󚭷󧬨󭼪󤼨󨜩󛽤󚽴󚭷󚜊󮌮󩭩󫍬󤽴󮝬󩜽󤬨󩌬󮬦󭼬󮬦󭼩󒭸󛭦󪝬󫍒󩝣󭌨󪜬󪬬󜜬󜜩󯜻`.replace(/u../g,'')))

Jun 1 2023 6:02 PM UTC

}// 133/140

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Stereographic Projection

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u/@noel

My first dwitter. I reduced the drawn area, but it still runs very slow
u/@noel

for(j=-1;j<(w=255);i++)for(y=-1+2*j++/w,i=-1;i<w;i++){k=-1+2*i/w d=Math.sqrt(k*k+y*y) a=Math.atan2(y,k) z=w*C(a)/d+t*w^(w*S(a)/d+t*w) x.fillStyle=R(d,z&w,z&w) x.fillRect(i,j,1,1)}
u/@noel

In java this runs smoothly.
u/@noel

A bit of a disappointment. I am going to try to do this with bigger rectangles now.
u/Xen

nicely done! welcome to the dwitter family
u/KilledByAPixel

fillStyle can be slow when called this often (60,000+ times per frame), you can make a faster/smaller version in grayscale by removing the fillStyle and doing this x.fillRect(i,j,1,(z&w)/w)
u/danny@hille.dk

uncompressed using grayscale and some other golfing tricks ->c.width=w=255;for(m=4e4;m--;x.fillRect(i,j,((C(a=Math.atan2(y,k))*w/d+t*w^S(a)*w/d+t*w)&w)/w,1))i=m%w,j=m/w,d=Math.hypot(k=i/w-.5,y=j/w-.3)
u/danny@hille.dk

Great first Dweet, by the way :-)
u/@noel

u/danny@hille.dk Thank you. Your solution is really nice. I am playing right now with it.