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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KilledByAPixel

remix of d/31670 by u/KilledByAPixel

function u(t) {

eval(unescape(escape`󭽩󭍨󚍸󚝻󨼮󭽩󩍴󪍼󟝩󟜰󞽲󫽴󨝴󩜨󚍴󛼳󯍴󬭡󫭳󫍡󭍥󚌹󝬰󛌵󝌰󚜩󙜴󚬶󞜹󚜻󩭯󬬨󬜽󚍥󟝴󙜳󚜥󜜻󪜼󜼻󚼫󪜩󩜾󪜦󙭴󬭡󫭳󩭯󬭭󚌱󛌮󛬮󪜿󪜼󜬿󦽥󟬲󯍼󬜬󜍝󞭛󜌬󛝱󧜺󦼰󛌭󚍥󟬱󯍼󬜩󧜬󜜬󜌬󜌩󞽦󫽮󭌽󙼴󪝮󘬧󛍦󪝬󫍔󩝸󭌨󙽜󭝄󞌳󡍜󭝄󠼱󝜧󛌭󜬸󜌬󞜹󚝽`.replace(/u../g,'')))

Aug 12 2025 6:07 PM UTC

}// 140/140

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Skew Rotate 🐕

u/cantelope

you dog ok mang?

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katkip

function u(t) {

f=x=>S(x)*C(x/2)*3
d=(q,t)=>(q(t+1/1e9)-q(t))*1e9

x.fillRect(t?t*100:0,t?540-f(t)*100:540,t?9:2e3,9)
x.fillRect(t*100,540-d(f,t)*100,5,5)

Feb 22 2020 4:59 PM UTC

}// 138/140

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derivative calculator! d(function, location) will calculate the derivative at function(location)! #math

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rodrigo.siqueira

remix of d/21331 by u/danny@hille.dk

function u(t) {

for(i=w=c.width|=m=20;i--;x.lineWidth=m/s)(1+i)%m||x.beginPath(x.stroke()),s=i/m,x.lineTo(960+(i%m-9)/s*w,1e4/s+S(S(s/9+t*9)+i%m)/s*w)

Jan 21 2021 12:06 PM UTC

}// 134/140

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A small remix to test the forward movement illusion

u/danny@hille.dk

Now imagne: You are the pickup, this is your view, the record is your world
u/Xen

love it

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rodrigo.siqueira

remix of d/32300 by u/plmrry

function u(t) {

for(i=130;i--;x.fill())x.fillStyle=R(r=C(i*t/9)*i*4,r/3*S(i*t/99)),x.beginPath(),x.arc(960+C(i)*i*t*2,540+S(i*i)*i*t*2,t<2?60-t*28:1/t,0,7)

Aug 28 2024 8:40 PM UTC

}// 139/140

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Star growth

u/cantelope

kinda looks like a sea anemone

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nickd3000

function u(t) {

v=160,s=20;for(i=0;i<60*v;i++)l=(i%v),m=((i/v)|0), k=v*(1+S((C(l/15)/C(m/17))+(t*4))),x.fillStyle=R(n=k+m*2,n+m,n+k),x.fillRect(l*s,m*s,s,s)

Feb 1 2018 9:02 PM UTC

}// 140/140

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field work

u/41407

Awesome! I managed to shorten it down to 129 if you want to add something to it: v=160;s=20;for(i=60*v;i--;l=(i%v))m=(i/v)|0,k=1+S(C(l/15)/C(m/17)+t*4),x.fillStyle=R(n=k*v+m*2,n+m,n+k*v),x.fillRect(l*s,m*s,s,s)

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Unum

remix of d/18366 by u/Unum

function u(t) {

c.width=1920
for(i=0;i<1296;i++)x.fillRect((i%48)*40,i/48*40,S(t+i/8)*40,S(t+i/9)*40)

Apr 21 2020 2:06 AM UTC

}// 85/140

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ersagun

function u(t) {

t*=60;i=j=0;for(s=8;u=1&(t/2),v=1&(t^u),(s*=2)<513;t/=4){if(!v){if(u==1)i=s-16-i,j=s-16-j;z=i;i=j;j=z}i+=s*u,j+=s*v}x.lineTo(i,j),x.stroke()

Oct 21 2018 10:36 PM UTC

}// 140/140

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Hilbert curve

u/aleamb

love it!
u/aleamb

#hilbert #fractal
u/pavel

Shaved off 16 chars: for(t*=60,i=j=0,s=8;u=t&2?1:0,s*=2,s<513;t/=4,i+=s*u)1&t^u?j+=s:(u&&(i=s-16-i,j=s-16-j),i+=j-(j=i));x.lineTo(i,j);x.stroke()

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yukulele

function u(t) {

x.stroke(new Path2D([[500,3e4],[400,18e5],[200,216e5]].map(([e,b])=>`M960,540l${S(n=Date.now(c.width+=0)/b*Math.PI)*e} `+-C(n)*e).join("")))

Jan 23 2020 9:54 PM UTC

}// 140/140

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🕒

u/katkip

#clock #time

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DirtyDan

function u(t) {

for(c.width+=i=0;i++<99;x.globalCompositeOperation='xor')x.beginPath(x.fill()),x.arc(960+i*T(a=3*S(t)),540+3*C(T(i/120+(a<0?t:-t))),i*5,0,7)

Mar 25 2018 6:22 PM UTC

}// 140/140

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If you want to remix, for extra space delete "a=" and replace "(a<0?t:-t)" with t. That stuff just reverses the direction of the ripple depending on what side it's on.

u/magna

Awesome!
u/DirtyDan

check out d/6724
u/DirtyDan

* d/6812

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DataMeta

remix of d/16813 by u/Xen

function u(t) {

x.fillRect(0,0,c.width|=j=560,2e3);for(r=Math.random;j--;)x.clearRect(64*(j%32),64*(i=j/32|0),r()*S(i^t)*1e3-j,r())

Dec 7 2019 11:40 PM UTC

}// 115/140

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degraded VHS tape

u/DataMeta

Friendly reminder - convert your memories on VHS to digital to safeguard them