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.

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Current theme challenge: #Food

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KilledByAPixel

remix of d/23121 by u/KilledByAPixel

function u(t) {

eval(unescape(escape`󭽩󭍨󚍸󚝦󫽲󚍫󟝙󟜵󝌰󞽫󛜭󞽢󩝧󪝮󤍡󭍨󚍦󪝬󫌨󨝲󨼨󦌬󦜬󦼳󜌬󜼱󛌴󞜬󝜰󛍙󧝛󪭝󚬸󛍰󟝫󛼱󝜬󪬿󬌫󛬱󝜺󞜩󚜩󚝩󟝫󙜲󛍪󟝫󛼹󝍼󫝯󭭥󥍯󚍘󟝙󚽩󚬹󜌰󛍙󚜬󩭩󫍬󤽴󮝬󩜽󨍨󬽬󚌤󮽪󚬳󜌭󜼰󚼳󛬸󜼪󪼫󭌪󝼲󜌪󚍩󛜮󝜩󯜠󙍻󪬥󝌦󙬹󜍽󙜵󜌥󨌻`.replace(/u../g,'')))

Nov 4 2025 4:29 PM UTC

}// 134/140

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Growing/Shrinking Wheel 🌈 #Illusion

u/joeytwiddle

Effective!
u/ximavus

looks actually very good

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jgierer12

function u(t) {

c.width=2e3;v='Salt';for(i=0;i<4;i++)v+=v;;for(i=v.length;i--;)x.font=70+S(t*5)*20+'px Arial',x.fillText(v[i],i*69,540+S(t*9+i)*20)

Dec 28 2017 9:39 PM UTC

}// 131/140

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Xen

remix of d/17600 by u/Cloud

function u(t) {

x.fillText(x.font="5em'",3e3**t%2e3-99,t*9)

Feb 13 2020 3:28 PM UTC

}// 43/140

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Space

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prplz

remix of d/10060 by u/prplz

function u(t) {

for(let X,Y=16,A=S(t),B=C(t);16+Y--;)for(X=32;32+X--;x.fillRect(X+32<<5,Y+16<<5,32,32))x.fillStyle=R(r=(X*B*A-Y*A*A^X*A*A+Y*B*A)<<4&255,0,r)

Sep 26 2018 1:04 AM UTC

}// 140/140

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#rotozoom

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breakster

function u(t) {

c.width=1920
x.translate(960,540)
for(i=0;i<9;i++){
x.rotate(t/2)
x.fillRect(-400+i*100+S(t*10)*300,0,50,200)
}

Jan 11 2018 9:16 PM UTC

}// 111/140

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u/trupples

woah
u/whackashoe

this is super weird haha i love it

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rodrigo.siqueira

function u(t) {

for(i=470;i--;c.style.filter=`invert(`)
f=t/3%6.28,
X=S(f-4)*i,
Y=C(f-4)*i,
x.fillRect(960+X,540+Y,1,1),
x.fillStyle=R(k=f*45+S(X*Y)*99,k,k)

Feb 14 2022 1:04 AM UTC

}// 140/140

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Noise over the gradient circle. Based on the cover art of the book "Imaginários Tecnocientíficos" (design by Carol Ohashi). Moiré patterns can be seen in the first circle. Wait for the second round to complete.

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satinxs

function u(t) {

f=frame;
s=v=>f<<v&255;
x.fillStyle=R(s(0),s(2),s(4),255);
for(i=0;i<t;i+=.1)
x.fillRect(960+t*8*C(f*i),540+t*8*S(f*i),S(t)*8,C(t)*8);

Jan 2 2018 4:03 AM UTC

}// 134/140

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Xen

remix of d/14315 by u/vinca

function u(t) {

x.beginPath(x.fillStyle="#"+frame)
x.fill(x.arc(960+9*t*S(t),540+9*t*C(t),199+t*S(9*t/9*S(t)),t,-t))
x.stroke()

May 31 2019 6:18 PM UTC

}// 111/140

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#waitforit

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lionleaf

remix of d/16791 by u/lionleaf

function u(t) {

c.width|=i=0
x.font='21em monospace'
'I think it is safe now'.split('').map(c=>x.fillText(c,9+(I=i%13)*145,420+S(I+t)*99+399*(i++/13|0)))

Dec 4 2019 3:59 AM UTC

}// 137/140

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HellMood

function u(t) {

for(i=64;i--;){l=5000/(i-32);for(k=128;k--;)m=l*(k-64)/35,n=l+t*500,x.fillStyle=R(0,(n^m)&255),x.fillRect(k*12,i*12,12,12)}

May 6 2020 4:57 PM UTC

}// 123/140

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Floorcast - (1st dweet, tips welcome =)

u/jylikangas

Welcome! Some Dwitter tips in this version... for(i=64;i--;)for(l=5000/(i-32),k=128;k--;x.fillRect(k*12,i*12,12,12))x.fillStyle=R(0,(l+t*500^l*(k-64)/35)&255)
u/HellMood

Thank you =)
u/sigveseb

Welcome!