New #circle 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.

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Current theme challenge: #Food

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PotatoImaginator

function u(t) {

eval(unescape(escape`𨰮𭱩𩁴𪁞🐰𞱸𛡦𪑬𫀨𮀮𨑲𨰨𨐽𞐶𜀬𨠽𝐴𜀬𨠬𜀬𝰩𚐊𭱩𭁨𚁸𚑦𫱲𚁩🐱𜰻𪐭𛐻𩡩𫁬𤱴𮑬𩐽𘡲𩑤𘠩𮱢𩑧𪑮𤁡𭁨𚁦𪑬𫀨𨑲𨰨𨐫𚁦🐴𝠵𚡃𚁧🐮𝐲𜰪𪐩𚡃𚁴𚱧𚐩𛁢𚱦𚡔𚁧𚐬𝰵𛀰𛀷𚐩𚐊𩡯𬠨𪠽𨠻𪠭𛐻𚑦𪑬𫁒𩑣𭀨𨐫𪠪𠰨𩰩𛁢𚱪𚡓𚁧𚐬𞐬𞐩𯐻`.replace(/u../g,'')))

Jul 30 2026 11:44 AM UTC

}// 140/140

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#circle #illusion

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PotatoImaginator

function u(t) {

eval(unescape(escape`𨰮𭱩𩁴𪁞🐰𞱦𫱲𚁩🐰𞱩🀸𞱩𚰫𚑻𩡯𬠨𪠽𜀻𪠼𞀻𪠫𚰩𮱸𛡢𩑧𪑮𤁡𭁨𚁸𛡦𪑬𫀨𚐩𒡸𛡦𪑬𫁓𭁹𫁥👒𚁶🐨𪐫𪠩𙐲𚠲𝐶𛀱𜠸𛀲𝐶𛑶𚐊𮀮𨑲𨰨𜐲𜀫𜠴𜀪𪐬𝠰𚰲𝀰𚡪𛀱𜠰𚰱𜠰𚠨𜠪𚠮𝐭𜐩𚡓𚁴𚰨𪐫𪠩𚡍𨑴𪀮𤁉𚐬𜀬𝰩𯑽`.replace(/u../g,'')))

Jul 25 2026 9:14 AM UTC

}// 130/140

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sin(x)^2+cos(x)^2=1 #circle #trigonometry

u/PotatoImaginator

Code is
u/PotatoImaginator

c.width^=0;for(i=0;i<8;i++){for(j=0;j<8;j++){x.beginPath(x.fill()) x.fillStyle=R(v=(i+j)%2*256,128,256-v) x.arc(120+240*i,60+240*j,120+120*(2**.5-1)*S(t+(i+j)*Math.PI),0,7)}}

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PotatoImaginator

function u(t) {

eval(unescape(escape`挮睩摴桞㴰㭸⹡牣⠹㘰ⱶ㴵㐰ⱶⰰⰷ⤻砮晩汬⠩㭦潲⡩㴲㭩ⴭ㭸⹦楬氨⤩砮扥杩湐慴栨砮晩汬却祬攽椿❢汵攧㨧牥搧⤬吽琫椪ㄮ㔷ⱋ㵃⡔⤪⨲ⱸ⹡牣⠹㘰⵶⩓⠲⩔⤪䬬瘭瘪䌨㈪吩⩋ⱶ⨨ㄭ䬩ⰰⰷ⤻`.replace(/u(..)/g,"$1%")))

Jul 25 2026 4:09 AM UTC

}// 134/140

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#circle Balance

u/PotatoImaginator

code is:
u/PotatoImaginator

c.width^=0; x.arc(960,540,540,0,7);x.fillStyle='';x.fill() x.beginPath();x.fillStyle='red'; x.arc(960-540*S(2*t)*(C(t)**2),540-540*C(2*t)*(C(t)**2),(540*(S(t)**2)),0,7);x.fill(); x.beginPath();x.fillStyle='blue'; x.arc(960+540*S(2*t)*(S(t)**2),540+540*C(2*t)*(S(t)**2),(540*(C(t)**2)),0,7);x.fill();
u/PotatoImaginator

c.width^=0;x.arc(960,v=540,v,0,7);x.fill();for(i=2;i--;x.fill())x.beginPath(x.fillStyle=i?'blue':'red'),T=t+i*1.57,K=C(T)**2,x.arc(960-v*S(2*T)*K,v-v*C(2*T)*K,v*(1-K),0,7);

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ximavus

function u(t) {

c.width=1920
x.fillRect(0,0,2e3,1e3)
for(i=500;i;i--)x.clearRect(960+(S(i+t)*500)%(t*40),500+(C(i+t)*500)%(t*40),9,9)

Oct 2 2025 4:06 PM UTC

}// 117/140

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Awesome circle thingy #circle

u/ximavus

And yes I did write it on my own its not a copy of @KilledByAPixel's mod circle
u/lewdev

tbh, I was initially suspicious. I suppose you're referring to this: d/34354
u/ximavus

yes the mod idea was from d/34354 but I didn't copy paste or smth

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Axioplase

function u(t) {

for(i=3e4;i--;){Y=Math.floor((i-2e4)/(t*t));X=i%960-480;Z=10;if((X*X/Z)+(Y*Y/Z)<100*100)x.fillRect(960+Y,540+X,10,10)}

Apr 23 2025 1:17 PM UTC

}// 118/140

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u/joeytwiddle

Satisfying #circle

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NiekvD

remix of d/26695 by u/NiekvD

function u(t) {

s=20
for(i=96;i--;){
  for(j=54;j--;){
      a=i-48
      b=j-27
      if(eval(a*a+b*b<300))x.fillRect(i*s,j*s,s,s)
  }
}

Dec 25 2022 1:23 PM UTC

}// 121/140

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graphing calculator. If anyone knows how to add an input field please let me know

u/KilledByAPixel

good start, check out d/15083
u/joeytwiddle

#circlechallenge

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pavel

function u(t) {

for(c.width&=i=4992;i--;x.beginPath(x.stroke()))[a=C(i%64)*t,b=C(i>>6)*t].map(o=>x.arc(448,252,252,o,o)),x.globalAlpha=1/77**(1-C(a-b))**.5

Jun 26 2022 8:58 PM UTC

}// 139/140

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Ripple

u/BriSeven

#circleChallenge #circle
u/magna

Love it!
u/DaSpider

Dethroned from the h/circlechallenge/top by u/pavel

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erin

remix of d/21637 by u/erin

function u(t) {

eval(unescape(escape`𨰮𭱩𩁴𪁼👷🐹𝠰𒡦𫱲𚁩🐴𩐳𞱩𛐭𞰩𮰊𦀽𜠪𠰨𥐽𪐩𚱃𚁖👴𚱩𚡩𚐬𒡙👓𚁕𚱴𚐪𠰨𥠩𛐲𛀊𦠽𤰨𥐩𛐵𒡸𛡦𪑬𫁓𭁹𫁥👠𪁳𫀨𙁻𤰨𭀩𚠹𞑽𛀶𞐥𛀤𮱓𚀱𜀪𭀫𥠯𥐩𚠹𞑽𙐩𨀊𮀮𩡩𫁬𤡥𨱴𚁷𚱷𚡘𛱚𛁷𛑙𛱚𚡷𛁳👷𛱚𛱚𛱚𛁳𚑽`.replace(/u../g,'')))

Feb 11 2021 10:29 PM UTC

}// 130/140

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intertwined circles

u/erin

this is by far my best dweet
u/erin

#laser #circle #d3

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katkip

function u(t) {

s=600;X=(r=Math.random)()*s+660;Y=r()*s+240;Z=r()*30;if(((X-960)**2+(Y-540)**2)**.5<300-Z)x.beginPath(),x.fill(x.arc(X,Y,Z,0,7))

Jan 10 2020 2:49 PM UTC

}// 128/140

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Circles that create a #circle

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katkip

function u(t) {

eval(unescape(escape`𨰮𭱩𩁴𪀪🐱𞱩𩠨𘑴𚑻𬰽𦱝𞱦𫱲𚁩🐹𞐹𞱩𛐭𞰩𬰮𬁵𬱨𚁛𤰨𪐩𛁃𚁩𚑝𚑽𞱦𫱲𚁯𘁯𩠠𬰩𮀮𩡩𫁬𤡥𨱴𚀹𝠰𚱯𦰰𧐪𜐰𜀬𝐴𜀫𫱛𜑝𚠱𜀰𛀱𜀬𜐰𚐬𫱛𜁝𚰽𠰨𫱛𜑝𛑯𦰰𧐩𛰹𞐬𫱛𜑝𚰽𤰨𫱛𜁝𚱯𦰱𧐩𛰹𞐠`.replace(/uD./g,'')))

Aug 22 2019 5:43 PM UTC

}// 122/140

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#circle that gets self-absorbed #chaos

dwitter.net | #circle