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

Please log in (or register) to post a dweet (copy-paste the code somewhere safe to save it meanwhile)


    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.

Try the new frontend: beta.dwitter.net
Current theme challenge: #Food

show FPS hide FPS share 1 remix fullscreen

magna

remix of d/7478 by u/magna

function u(t) {

c.width=960
for(j=60;j--;)for(i=240;i--;x.fillRect(i*4,j*9,4,9))x.fillStyle=`hsl(${120*i},99%,${S((i/3|0)+t*j)*50}%)`

Mar 29 2018 1:03 AM UTC

}// 117/140

Please log in (or register) to post as a new dweet (copy-paste code somewhere safe to save it meanwhile).

#crt

u/magna

#rgb

show FPS hide FPS share 1 remix fullscreen

BackendForth

function u(t) {

c.width=1920
x.lineWidth=4
for(i=48;i--;)for(j=14;j--;x.stroke())x.beginPath(),x.moveTo(i*40,j*80),x.lineTo(i*40+160*S(t)*(j%2-.5),j*80+40)

Jan 27 2018 12:56 AM UTC

}// 139/140

Please log in (or register) to post as a new dweet (copy-paste code somewhere safe to save it meanwhile).

Does the space between rows look constant to you?

u/Qwitter

No but i know it is. Cool
u/joeytwiddle

very illusion. much optical

show FPS hide FPS share 2 remixes fullscreen

taupelink

remix of d/26857 by u/taupelink

function u(t) {

eval(unescape(escape`景爨椽㘰〻椭⴦♴㰱㭸⹦楬氨⤩砮扥杩湐慴栨砮晩汬却祬攽刨椪琬椯㈬椦椯琬琯㔰⤩ⱸ⹡牣⡘㴨椾㸳⤥ㄷ⨱㈰ⱙ㵩┱〪ㄲ〬椯㈬樽椫琬樭㘫琩ⱬ㴲攳⩴㸾㐬砮獴牯步剥捴⡘ⴶ〫氬夭㘰⭬ⱷ㴱㈰ⴲ⩬ⱷ⤻`.replace(/u([^D].)/g,'$1%')))

Feb 4 2023 10:09 PM UTC

}// 139/140

Please log in (or register) to post as a new dweet (copy-paste code somewhere safe to save it meanwhile).

d/27001

u/Joachim

#dramatic
u/danny@hille.dk

for(i=600;i--&&t<1;x.fill())x.beginPath(x.fillStyle=R(i/2,i/3,i&i*9,t/9)),x.arc(X=(i>>5)%20*120,Y=i%10*120,i/2,j=i,j-6+t),l=1e3*t>>4,x.strokeRect(X-60+l,Y-60+l,w=120-2*l,w)

show FPS hide FPS share fullscreen

MrRaviex

function u(t) {

c=+s[t*60|0];c>2&&(e=a+S(θ)*5,f=b+C(θ)*5,x.fillRect(a,b,5,5),a=e,b=f)||(θ+=c-1)}{a=b=θ=997;s="3";for(i=0;i<6;i++)s=s.replace(/3/g,32300323);

Apr 8 2018 11:39 AM UTC

}// 140/140

Please log in (or register) to post as a new dweet (copy-paste code somewhere safe to save it meanwhile).

My first code golf, the Koch Curve

u/MrRaviex

My first code golf, the Koch Curve
u/MrRaviex

Sorry, my comment appears to have duplicated itself...
u/zanella

It's a fractal comment. *rimshot*
u/Xen

#koch

show FPS hide FPS share fullscreen

anotherkitten

function u(t) {

eval(unescape(escape`睩瑨⡸⥦潲⡩㴴㤬挮獴祬攮扡捫杲潵湤㵒⡸⹫㵦楬汒散琩㭩ⴭ㭰㴶〪椪⨮㐬欨㤶〭瀬㌰〫椪㐬瀪㈬㈩⥦潲⡪㴸ㄻ樭ⴻ欨椪㜰⵪⩃⡩⼹⤪㔬㔰〫横㤬樥㤿㌺㤹ⰹ⤩晩汬却祬攽恨獬⠤筪㼳〰㨶㔭楽‹㤥⑻橼簸〭楽╠`.replace(/u(..)/g,"$1%")))

Nov 16 2018 1:36 AM UTC

}// 140/140

Please log in (or register) to post as a new dweet (copy-paste code somewhere safe to save it meanwhile).

vaporwave sunset

u/anotherkitten

src: https://pastebin.com/V4y4ejsC

show FPS hide FPS share 1 remix fullscreen

Xen

remix of d/27305 by u/Xen

function u(t) {

x.drawImage(c,S(t)*t,C(t)*7)
with(x)for(i=139;i--;fillStyle=`hsl(${i*t},74%,75%,.31`)fillRect((i**t+C(t^i)*i)%4e3-i,(i*t*i+S(i)*i)%3e4,i,i)

Mar 30 2023 8:45 PM UTC

}// 139/140

Please log in (or register) to post as a new dweet (copy-paste code somewhere safe to save it meanwhile).

play 6

show FPS hide FPS share 1 remix fullscreen

magna

function u(t) {

p=n=>{a=0;for(i=n-1;i>1;)a+=!(n%i--);return a}
x.fillRect(X=t*9|0,p(X),1,9)

Jun 7 2021 10:38 PM UTC

}// 75/140

Please log in (or register) to post as a new dweet (copy-paste code somewhere safe to save it meanwhile).

Quick sketch: number of prime factors of x versus x

u/magna

Spiral graph of number of prime factors
u/magna

Comment fail ^ Meant to fork: d/23043

show FPS hide FPS share fullscreen

Xen

function u(t) {

i=1n,p=t=3n*(10n**1005n);while(t=t*i/((i+1n)*4n))p+=t/(i+=2n)
throw('3.'+(p+"").slice(1,1e3))

Mar 18 2026 6:24 PM UTC

}// 93/140

Please log in (or register) to post as a new dweet (copy-paste code somewhere safe to save it meanwhile).

𝝅

u/lewdev

Pie in a thousand digits. This is a code golf problem too: https://code.golf/𝝅
u/ximavus

me is not understand

show FPS hide FPS share fullscreen

Xen

remix of d/28777 by u/lewdev

function u(t) {

x.fillRect(frame*40%1e3,frame*1.6|0,40,40)
x.fillStyle=frame%2?"red":R()

Oct 31 2023 1:18 AM UTC

}// 72/140

Please log in (or register) to post as a new dweet (copy-paste code somewhere safe to save it meanwhile).

quick messy golff

u/Joachim

61 char -->x.fillRect(t*2e3%6e2,t*90|0,40,40);x.fillStyle=R(T(t*89)*999)

show FPS hide FPS share fullscreen

AnnanFay

remix of d/672 by u/aemkei

function u(t) {

c.width=873
b=[a=t&&b]
for(i=2e4;i--;x.fillRect(i%97*9,i/9,9,(b[i]=(i>4e3)*i%2|3==d|a[i]&2==d)*9))for(d=0,j=-99;j=j<0?j&3?~j:1:-j;)d+=a[i+j]

Mar 17 2018 3:00 AM UTC

}// 140/140

Please log in (or register) to post as a new dweet (copy-paste code somewhere safe to save it meanwhile).

High resolution Game of Life with a constant ground layer. It will eventually start cycling. To increase FPS swap 2e4->6e3. To hide the ground swap 4e3->5e3.

u/Jezza

Incredible!
u/zanella

I'm scared of AnnanFay. Seriously.
u/joeytwiddle

#gameoflife