Random dweets | Dwitter

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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iverjo

remix of d/397 by u/iverjo

function u(t) {

for(i=960;i--;)x.fillRect(960+530*S(d=i/42)*S(b=63*i+t),(540+530*C(d)),s=5/(S(d)*C(b)+1.2),s)

Apr 24 2020 12:12 PM UTC

}// 93/140

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#circlechallenge

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cantelope

function u(t) {

eval(unescape(escape`𩡯𬠨𪐽𫠽𝀴𞱩𛐭𞱐👴🱛𛠮𛡐𛁛𪐪𫠥𭰬𛑮𧑝𛡦𪑬𭁥𬠨𭠽🡶𦰱𧐼𭰩𞡛𧐩𭰽𨰮𭱩𩁴𪁼🐰𞱐𛡭𨑰𚁶🐾𮱦𫱲𚁘👶𦰰𧐬𦐽𭡛𜑝𚰽𫐽𞀻𫐭🐲𞰩𭡛𜑝𚠽𚀹𝠰𚱃𚁰👭𚱃𚁴𚐪𜠩𚠸𜀰𛑘𚐪𚠲𚰨𜰵𜀭𤰨𬀪𜠩𚠳𜀰𛑙𚐪𚠲🁷🱷𞠱𞱸𛡦𪑬𫁒𩑣𭀨𦀬𦐬𫠬𫠩𯐩`.replace(/u../g,'')))

Mar 11 2026 8:03 PM UTC

}// 140/140

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braided 2

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rodrigo.siqueira

remix of d/17748 by u/katkip

function u(t) {

c.style.filter=`sepia(`
P=(θ,R)=>x.fillRect(S(θ/5)*R+960,C(θ/5)*R+540,.6,1)
for(q=z=i=3e3;i--;)P(S(q)*9,C(z/3)*485),q+=C(z+t/z),z+=S(q*15-z)

Feb 26 2020 3:03 PM UTC

}// 140/140

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Chaotic flower #mandala

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rodrigo.siqueira

function u(t) {

eval(unescape(escape`󨼮󬽴󮝬󩜮󪍥󪝧󪍴󟜧󞝩󫬧󒭤󫽣󭝭󩝮󭌮󩍯󨽵󫝥󫭴󡝬󩝭󩝮󭌮󬽴󮝬󩜮󫽶󩝲󩭬󫽷󘌽󙽡󭝴󫼧󒭦󫽲󚍡󟝢󟝴󛍩󟜲󩜴󞽩󛜭󞽢󚼽󠼨󨜪󜼩󛼴󛝢󛼴󛍡󚼽󬬯󝌫󨬪󤼨󨜪󜬩󛼳󛝡󛼶󚝩󙬸󙬦󚍲󟝩󛽢󙬱󚜬󮌮󩭩󫍬󤭥󨽴󚍢󚬲󩜳󚼶󜌰󛍡󚬲󩜳󛜳󞌰󛌮󜜬󭌼󝬩`.replace(/u../g,'')))

Jun 11 2024 6:22 PM UTC

}// 133/140

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Spiral below the vertical scrollbar. #hack when the screen space is not enough.

u/KilledByAPixel

ha nice!

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chet

function u(t) {

z=C(t);q=S(t);c.width=w=h=2e3;while(--h){a=z*q*C(t+h*(q)*.01)*320+460;x.fillStyle=R(a*z*.2,a*q*.2,a*.1);x.fillRect(w/2-a,h,2*a,1);}

Jul 19 2016 7:23 PM UTC

}// 131/140

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u/iverjo

Best squiggle I've seen on dwitter so far!
u/iverjo

Related dweet: http://dweet.dwitter.net/id/54?autoplay=1
u/lionleaf

Reminds me of the vase/face illusion :) And welcome to dwitter! :D

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ximavus

function u(t) {

x.fillRect(x.globalAlpha=.001/t,0,2e3,1080)
for(i=2e3;i--;)x.clearRect(i,C(t+i)**S(t+i)*t,9,9)

Dec 14 2025 7:27 PM UTC

}// 94/140

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Demonstration of a bug I found with x.globalAlpha. Breaking the .001961 limit. As long as it is more than .001961 at some point if will be valid

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StarStep

remix of d/7327 by u/magna

function u(t) {

c.width=465;x.font='150px a';x.fillText('Dwitter',0,180);for(i=240;i--;)x.drawImage(c,i*3,3,3,260,i*3,+S(i+t*12)*1,3,263)

Mar 18 2018 10:26 PM UTC

}// 121/140

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hcon

function u(t) {

c.width=1920 // clear the canvas
for(i=0;i<10*t*10;i++)
x.fillRect(960+(C(i+t/i)*i),540+(S(i+t)*i),i/50,i/50) // draw 50x200 rects

Apr 4 2022 12:00 AM UTC

}// 130/140

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DazeWare

remix of d/28913 by u/baon

function u(t) {

c.width=999
for(i=0;i<250;i++) for(j=0;j<150;j++) a = C(i^j+i**2+60*t)<0.5,
x.fillStyle=R(0,0,0,1-a),x.fillRect(i*4,j*4,t,t)

Nov 22 2023 9:15 PM UTC

}// 124/140

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ciaccodavide

function u(t) {

A='NOSE'
p=(k,F)=>k>0&&F(t)+F(t+p(k-1,F)/111)*((A.charCodeAt(k))+p(k-1,F))
x.lineTo(960+p(a=A.length-1,C),540-p(a,S))
x.stroke()

Oct 21 2021 1:17 PM UTC

}// 128/140

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A NOSE