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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rodrigo.siqueira

remix of d/28106 by u/rodrigo.siqueira

function u(t) {

for(c.width<<=i=2e4;i--;x.fillRect(960+C(K=i-1/C(i*2)+1/a)*640*a,540+S(K)*490*a,12*a,25*a))a=(i/C(i*2)+t/4)%2-2

Jul 8 2023 10:06 PM UTC

}// 111/140

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Double vortex #vortex #spiral

u/NoName

woh

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New_Core

remix of d/10639 by u/yonatan

function u(t) {

s=c.style;s.backgroundBlendMode='difference';for(b=[i=9];i--;s.background=b)b[i]=`linear-gradient(${t*i*5}deg,#012,#350,#dff,#910)`

Oct 26 2018 6:50 PM UTC

}// 131/140

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was fun mixing =)

u/geb

#background
u/13thptr

#oil

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oddbar

function u(t) {

c.width=2e3;l=50;s=t%2.5;for(i=0;i<l;i++){for(j=0;j<l;j++)k=-2E3+100*j+40*s,x.fillRect(100*i,k,l,l),x.fillStyle=R(l*i);x.rotate(3.14/90*l)};

Feb 12 2024 3:20 AM UTC

}// 140/140

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u/Aeholbrook

this is really cool!

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Xaviaro

function u(t) {

t||x.translate(960,540)
x.font="180px A"
x.fillText('🔮🌸🔮',S(t)*600-300,C(t)*333)
x.drawImage(c,-960,-540,1880,1040)
x.rotate(C(t/3)/333)

Jan 6 2018 9:27 PM UTC

}// 136/140

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u/magna

Nice!
u/katkip

Awesome
u/ximavus

Very good and cursed to play with the emojis

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LimeLaser

function u(t) {

r=Math.random
u=r()*32|0
v=r()*18|0
d=[0,2,3,1][(u%2)+2*(v%2)]/2-1
x.fillStyle=R(51*(u/5+d|0),51*(v/3+d|0))
x.fillRect(60*u,60*v,60,60)

Apr 28 2019 2:39 AM UTC

}// 135/140

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Ordered Dithering Of Red-Green Gradient

u/LimeLaser

Simulates a 6-bit-per-channel color scheme. The "d" variable represents an entry in a Bayer matrix; setting d=0 will show non-dithered 6-bit-per-channel gradient.

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yonatan

remix of d/17703 by u/yonatan

function u(t) {

for(c.width|=k=i=960;i--;x.strokeRect(k-i,540-i,i*2,i*2))x.setLineDash([t+k/i&1?i/5:i])

Feb 23 2020 2:07 PM UTC

}// 87/140

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87 bytes

u/katkip

awesome

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magna

remix of d/32105 by u/magna

function u(t) {

eval(unescape(escape`󩭯󬬨󪜽󜌬󥼽󜭥󜼻󪜼󥼻󪜫󚼩󬼽󠼨󪜪󪜩󚬴󚼵󛍙󟝩󙬦󚍓󚍩󚭩󚜪󠼨󪜩󚭗󚽳󚭴󚬹󚜥󥼬󮌮󩭩󫍬󤽴󮝬󩜽󤬨󬬽󪜦󙭓󚍩󚽩󙜸󚭴󚜪󜬳󜌬󬬭󠼨󪜩󚬵󜌬󪜿󞜹󞬳󜌩󛍸󛭦󪝬󫍒󩝣󭌨󪜬󦜬󪜿󬼺󥼬󪜿󬼪󬬯󜜹󞜺󥼩`.replace(/u../g,'')))

Jul 10 2024 6:38 AM UTC

}// 118/140

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#confetti

u/joeytwiddle

Beautiful

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KilledByAPixel

remix of d/23889 by u/KilledByAPixel

function u(t) {

for(c.width=w=170,Y=j=9;j--;)for(i=1e3,
x.fillStyle=R(a=j*j*5,a-a%99,a/2);i--;x.fillRect(i,Y-j*9+99,1,w))Y+=C(j*(t*(9-j)**3+i|0)**3)-Y/w

Aug 25 2022 3:47 AM UTC

}// 136/140

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Parallax Mountains

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initramfs

remix of d/14902 by u/Xen

function u(t) {

t?x.stroke():x.lineWidth=a=1;if(t>a/36)x.arc(960,540,t*2500,0,a++)

Jun 22 2021 2:30 AM UTC

}// 66/140

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ntsutae

function u(t) {

t/=3,N=99
for(c.width|=X=Y=i=0;++i<N*16;){
a=~~(i/N)*t+Y
b=X+t+111
X=S(b)-C(a)
Y=C(b)-S(a)
x.fillRect(X*N*5+960,Y*N*3+540,6,6)
}

May 13 2020 7:15 AM UTC

}// 128/140

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Fireworks

u/ntsutae

Inspired by https://twitter.com/yuruyurau/status/1226846…
u/katkip

chaotic