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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DataMeta

remix of d/8910 by u/DataMeta

function u(t) {

for(i=192;i--;)j=C(t-i)*7*i,k=i*9,x.setTransform(k,0,0,k,960,540),
x.rotate(i/(2+t/99)),x.fillStyle=R(j*2,i,i-j,.8),x.fillRect(g=.01,g,.7,g)

Jan 5 2019 9:08 PM UTC

}// 140/140

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fullscreen recommended

u/joeytwiddle

hypnotic
u/joeytwiddle

#colors

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fons

function u(t) {

c.width|=0
x.translate(950,70)
x.lineWidth=500
x.arc(S(t)*00,S(t)*400,t/100,80,9)
x.stroke()

Feb 8 2018 9:38 PM UTC

}// 92/140

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Tic tac

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remix of d/1934 by u/Niklas

function u(t) {

a=600,M=Math,x.lineTo(960+a*C(t)-a*M.pow(S(t),8)/M.sqrt(2),540+a*C(t)*S(t)),x.stroke();

Feb 8 2024 11:38 AM UTC

}// 87/140

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u/KilledByAPixel

hey ms, welcome to dwitter! i noticed your second dweet was just showing an error so i removed it. please try to avoid posting broken dweets

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Xen

remix of d/17803 by u/Xen

function u(t) {

with(x)t?fillRect(C(S(t*8))*90-99,t*199,699,9,fillStyle=R(z)):fillRect(!fillRect(0,0,z=2e3,z,fillStyle="#00a"),800,z,z,fillStyle="#ff0")

Mar 3 2020 4:46 PM UTC

}// 136/140

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#Sonic Level Transition: Sonic2

u/RealPeha

It would seem, what does Ukraine have to do with it?
u/cowberry

Ukrainr -> Belarus 30%
u/cowberry

*Ukraine

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yokljo

remix of d/3111 by u/yokljo

function u(t) {

h=800;c.width*=1;for(i=64;i--;x.fillRect(h+i*6,y=200+o*25,6,i>2?y:h))x.fillStyle=`hsl(${~t*h^i*2},90%,${i>2?(o=S(t*2+i/6)*i/130+.7)*50:0}%`

Aug 28 2017 6:37 PM UTC

}// 139/140

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u/donbright

wow
u/joeytwiddle

Yes, very clever
u/joeytwiddle

I really liked the idea of shading the flag, but my remix didn't fit on dwitter: https://codegolf.tk/a/168
u/yokljo

#flag

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ciaccodavide

remix of d/20426 by u/ciaccodavide

function u(t) {

for(c.width|=p=15,w=200;p--;)0x24f7fbef924fef3fce7c9edf3cfcf9e4927b6fn&1n<<BigInt(~~t%10*15+p)&&x.fillRect(p%3*w,~~p/3*w,w,w)

Oct 29 2020 7:30 PM UTC

}// 125/140

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Down to 125

Show more comments…
u/pavel

121 for(c.width|=p=15;p--;)0x24f7fbef924fef3fce7c9edf3cfcf9e4927b6fn&1n<<BigInt(~~t%10*15+p)&&x.fillRect(p%3*T,p/3*T,T,T=200)
u/tomxor

Also 121 but with neater output for(c.width|=p=15;p--;)0x24f7fbef924fef3fce7c9edf3cfcf9e4927b6fn&1n<<BigInt(~~t%10*15+p)&&x.fillRect(p%3<<6,p/3<<6,64,64)
u/ciaccodavide

Nice!
u/ciaccodavide

pushed to 118 for(c.width|=p=15;p--;)0x24f7fbef924fef3fce7c9edf3cfcf9e4927b6fn&1n<<BigInt(~~t%9*15+p)&&x.fillRect(p%3<<6,p/3<<6,9,9)
u/ciaccodavide

:P
u/ciaccodavide

still readable but not synced with seconds

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ciaccodavide

function u(t) {

n=10
y=f=>150+40*f(t)
for(X=192;X--;)x.fillStyle=R(y(S),y(C),255),x.fillRect(X*n,0,n,n)
x.drawImage(c,0,n)

Oct 28 2020 9:07 PM UTC

}// 106/140

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G r a d i e n t

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jpthinker

function u(t) {

for(k=94,i=99;i>-99;x.fillRect(960+S((i/k)*3)*300,540+C(((j=i--/k)+2*j*(j>>31))*4)*300,9,9))
x.fillStyle=R(255,0,99)

Aug 18 2025 12:35 PM UTC

}// 116/140

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Heart

u/jpthinker

#static

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Xen

remix of d/27228 by u/Xen

function u(t) {

x.drawImage(c,0,7)
for(i=2e3;i--;x.fillRect(i,2,1,9))x.fillStyle=`hsl(${-i/5+C(t+i)*99} 70%40%`

Mar 20 2023 12:00 PM UTC

}// 95/140

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u/Jezza

#shutupandtakemymoney

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WasifBoomz

function u(t) {

c.width=1920
for(i=0;i<20;i++)
x.fillRect(400+i*100+S(t)*300-600,0,50,Math.random()*1080)

May 23 2019 4:01 PM UTC

}// 89/140

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#default #soundwave