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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pavel

remix of d/10527 by u/yonatan

function u(t) {

for(i=c.width|=f=g=>2*g(2*i/3)+g(-i/3),w=960;Z=S(--i);x.arc(w+w*(Z*S(t)+f(S)*C(t))/z,540+w*f(C)/z,w/z/z,0,7))z=7+f(S)*S(t)-Z*C(t);x.stroke()

May 9 2019 10:59 PM UTC

}// 140/140

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#trefoil #knot

u/pavel

Play around with f(g) to generate different shapes.
u/KilledByAPixel

trefoil knot is best knot, awesome work.
u/katkip

g=>2*g(5*i/9)+g(i/9) is cute
u/iverjo

Very good in fullscreen

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KilledByAPixel

function u(t) {

eval(unescape(escape`睩瑨⡸⥦潲⡬楮敗楤瑨㵚㵩㴹㭴㰲☦椭ⴻ晩汬⡳瑲潫攨⤩⥢敧楮偡瑨⠩ⱬ楮敔漨堽㤸〬夽㔸〭琪㐹⤬敬汩灳攨堬夬㜰〬㐰〬〬娬娫㵓⡩⩩⤯㐫ㄩⱬ楮敔漨堬天ⱦ楬汓瑹汥㵠桳氨⑻椪ㄲ㥽‹㤥㔰╠`.replace(/u(..)/g,"$1%")))

Oct 7 2019 5:44 PM UTC

}// 133/140

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Pie Chart

u/katkip

haha
u/aleamb

#chart

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maeln

function u(t) {

if(t==0) i=0;x.fillRect((i*C(i))+960,i*S(i)+540,2,2);i++;

Oct 14 2019 7:35 AM UTC

}// 57/140

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katkip

function u(t) {

f=(x,n=22)=>n>0?f(x/(1-x)-1,n-1):x

c.width=200
x.fillText(-f(t),50,60)

Sep 30 2020 5:44 PM UTC

}// 71/140

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why does my program print the golden ratio?

u/danny@hille.dk

without recursion: for(X=i=22;t==0&&i--;)X=X/(1-X)-1;x.scale(14,14),x.fillText(-X,10,10)

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46uuuu

function u(t) {

throw"Speed: "+Math.floor(t*t)+"mph"

Jul 3 2026 5:21 PM UTC

}// 36/140

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Xen

remix of d/3100 by u/New_Core

function u(t) {

for(c.width|=i=99;i--;)x.ellipse(X=540,X,t,i*C(t)+X,i*2.1,S(t),T(t))
x.stroke()

Aug 24 2017 5:17 PM UTC

}// 79/140

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u/donbright

seems like it could work with mouse input... not sure of the best way tho
u/donbright

very interesting rhythym
u/Xen

Mouse? Done! :-) #3135

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smtsjhr

remix of d/19956 by u/Xen

function u(t) {

t/=15
with(x)for(strokeStyle="#FFF",i=200;lineWidth=r=1.03**(200-i),i--;stroke())beginPath(fill()),arc(960+9*r*S(a=i*t),540+9*r*C(a),r,0,7)

Sep 22 2020 9:28 PM UTC

}// 139/140

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try changing t/=15 to t/=20 for something tamer, or to t/=10 to get wilder

u/Xen

oosh!

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Jezza

remix of d/9723 by u/DataMeta

function u(t) {

c.width|=i=768;x.transform(1,0,0,1,960,540)
for(i;i--;x.rotate(t/64))x.fillStyle=`hsl(${i},99%,50%)`,x.fillRect(i,i,i/8,i)

Apr 7 2019 9:12 AM UTC

}// 122/140

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Clicked random and remixed the first dweet

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rodrigo.siqueira

remix of d/25867 by u/New_Core

function u(t) {

for(j=800;j--;x.beginPath(x.strokeStyle=R(j,j/5,0,.5),x.stroke()))for(a=j/19-t*5,i=9;i--;)x.lineTo(900+i*j*C(j*3.14),570-j*C(a+i))

Jul 23 2022 12:44 PM UTC

}// 130/140

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Wave generator

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46uuuu

function u(t) {

c.width|=0
x.fillStyle=R()
x.fillRect(0,0,2e3,1e3)
x.fillStyle="#fff"
for(i=0;i<9;i++)
x.fillRect(400+i*100+S(t)*300,400,50,200)

Jun 17 2026 3:03 AM UTC

}// 128/140

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inverse #default