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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Virgill

function u(t) {

c.width=1920;for(i=0;i<9;i++){x.fillRect(400+i*100+S(t)*300,200+200*C(t),40,40)} // hello world

Jul 16 2016 9:34 PM UTC

}// 95/140

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u/lionleaf

Hello Virgill :)
u/Virgill

dwitter.. what a nice idea :-D
u/lionleaf

Thanks :D I'll keep building on it

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Xen

remix of d/17401 by u/username

function u(t) {

c.width|=s=t*t%5;x.translate(950,540);for(i=99;i--;x.rotate(t*s^s/i))x.strokeRect(-i*s,-i*s,i*s*2,i*s*2)

Jan 29 2020 8:46 PM UTC

}// 104/140

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[T]established

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thepiepeloi12

function u(t) {

r=100;w=20;s=t*60;m=0;if(Math.random() > 0.5)m=r;i=(s%w)*r+m;j=Math.floor(s/w)*r;k=i+r-2*m;l=r+j;x.moveTo(i,j);x.lineTo(k,l);x.stroke()

Jan 4 2019 5:54 PM UTC

}// 135/140

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classic #maze

u/metamero

d/11644 d/11640 d/11637 d/11633 collection of different implementations

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katkip

function u(t) {

function p(n){return n**2-n+41}
c.width=25
x.fillText(p(~~t),2,10)

Aug 23 2018 1:56 PM UTC

}// 66/140

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#prime #counter

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ArthurThuczsec

function u(t) {

for(i=c.width=1e3;i--;x.lineWidth=.1)x.strokeRect(200+i/2+S(t+i/250)*300,0,50,1e3)

Jun 23 2021 6:16 PM UTC

}// 82/140

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My first dweet.

u/Xen

welcome to the dwitter family!
u/ArthurThuczsec

Thank you
u/donbright

nice work
u/ArthurThuczsec

Thank you this is nice place

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rodrigo.siqueira

remix of d/34043 by u/rodrigo.siqueira

function u(t) {

for(i=2e3;i--;x.fillRect(i,t*60,1,C(z)),x.fillStyle=`hsl(${X*2+t*9},70%,${z*9}%)`)for(z=0,j=9;--j;)z-=S(X=i/15/j)*S(Y=C(t+j+z)*z-t/9)-z*S(z)

Jun 25 2025 6:04 PM UTC

}// 140/140

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Color structure

u/cantelope

neat

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vinca

function u(t) {

for(t||0(X=Y=.1,b=.86,r=280),i=1e3;i--;)x.fillStyle=R(9),x.fillRect((i%9?1e3:0)+r*X,r*Y+99,1,1),V=(1+1.02*b)*X-b*X*Y,W=(1-b)*Y+b*X*X,X=V,Y=W

Apr 7 2019 8:43 AM UTC

}// 140/140

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u/katkip

This is beautiful

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KilledByAPixel

remix of d/27268 by u/KilledByAPixel

function u(t) {

eval(unescape(escape`󭽩󭍨󚍸󚝱󟝴󚽄󨝴󩜮󫭯󭼨󨭥󩽩󫭐󨝴󪌨󤬽󭌿󜬲󜬺󜜩󚜬󮬽󬜥󝜰󜌬󦌽󞜶󜌫󤼨󬜪󚬸󚜪󮬬󦜽󝜴󜌫󠼨󬜪󚬸󚜪󮬬󭌿󠜮󫝡󬌨󨜽󟬨󢌽󣝡󭍨󛭨󮝰󫽴󚍡󛭘󛝘󛍡󛭙󛝙󚜩󟍡󛭒󚽒󙬦󫝯󭭥󥍯󚍡󛭘󛍡󛭙󛍒󟝈󛝡󛭒󚜩󞭁󟝛󧜬󫍩󫭥󥍯󚍘󛍙󚜬󬽴󬭯󪽥󚌩󛍁󛭰󭝳󪌨󮽘󛍙󛍒󯜩`.replace(/u../g,'')))

Dec 15 2024 3:21 AM UTC

}// 140/140

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Petri 🦠

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JuliSC

remix of d/3697 by u/Citiral

function u(t) {

w=1920;for(c.width=i=w;i>=0;i-=30)for(j=0;j<1080;j+=30){i2=i-w/2;j2=j-1080/2
d=Math.sqrt(i2*i2+j2*j2)*1
o=C(d-t*2)*50
x.fillRect(i,j,o,o)}

Mar 24 2021 12:59 PM UTC

}// 138/140

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f8f82804

remix of d/9163 by u/f8f82804

function u(t) {

X=frame%240;for(Y=64;Y--;)x.fillStyle=`hsl(${90*S(t)*Y/(k=Y-72)} 90%${50*((X-120)/k+9+(frame/240|0)&1^Y/k&1)}%`,x.fillRect(X*8,1080-Y*8,8,8)

Aug 8 2018 11:39 PM UTC

}// 140/140

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#rainbow #checkerboard -- #d3 #raytrace #scanline #smooth

u/katkip

This is less laggy