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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c499

remix of d/9548 by u/katkip

function u(t) {

if(!t)x.translate(960,540);x.lineWidth=1/frame;for(i=0;i++<900;)x.strokeRect(t*400*S(i+t),-t*256*C(i+t),50+t/25,50+t/25);x.rotate(2)

Aug 31 2018 5:38 PM UTC

}// 132/140

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Vortex

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markuspeitl

function u(t) {

c.width|=0
q=255
p=(a)=>{
a*=0.9
x.fillStyle=R(a,0,a*C(t))
x.fillRect(500-a*2,a*5,a*10,S(t)*a)
if(a>1)p(a)
}
p(q+S(t*2)*q)

May 19 2021 6:04 PM UTC

}// 123/140

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u/BackendForth

The escalator that hates its riders

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firegodjr

function u(t) {

x.beginPath()
c.width|=0
x.stroke()
for(i=500;--i;)x.lineTo(S(k=i*400001+t)*C(i)*400+900,C(k)*400+500)
x.fill("evenodd")

Jun 11 2018 3:52 PM UTC

}// 120/140

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Crystalline

u/pythech

Nice! I was having trouble finding a good constant for evenodd
u/Xen

love it
u/DataMeta

Very cool

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cantelope

function u(t) {

t?w=c.width=n:n=1
onmousemove=e=>n=e.pageY
for(i=6;i--;x.lineTo(w/2+(Z=1/(2+C(p=1.257*i*2+t)))*S(p)*w/2,Z*w/2-w/20),x.stroke());

Apr 9 2017 10:25 PM UTC

}// 128/140

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per donbright's suggestion... :D

u/cantelope

mouse Y position controls resolution
u/donbright

lol surely there is more we can do
u/tapgiles

Cool! Some of the lines seem thicker, and some seem fainter. Is there an overdrawing issue, perhaps?

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marc8

remix of d/7020 by u/marc8

function u(t) {

c.width|=0
s=50;v=t*4
for(i=0;i<t;i++){
x.beginPath()
x.arc(999-v*(t-i),540,s*(t-i),0,7)
x.stroke()}
throw "Mach "+v/s

Feb 24 2018 11:58 PM UTC

}// 118/140

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chet

remix of d/369 by u/chet

function u(t) {

c.width=i=255;a=(z,Y)=>{for(X=25;X--;){x.fillStyle=R(i-7*X,z*2,-z*2);x.fillRect(X+z+i/2,Y,1,i)}};for(Y=i;Y>179;Y--)a(C(-8*t+Y*.1)*Y*.4,i-Y)

Jul 25 2016 2:36 PM UTC

}// 139/140

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KilledByAPixel

function u(t) {

for(c.width|=i=36;i--;x.fillRect(T+(i>>2)*99+S(t)*300+(k-2?18:24)*k,T=400,k-1?18:30,200))k=i%3,x.fillStyle=R(!k*T,v=k-2|T,v)

Oct 20 2025 1:41 PM UTC

}// 124/140

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Anaglyph #default 🟥🟦

u/ximavus

dwitter #default tiktok edition

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RealPeha

function u(t) {

c.width|=0
for(i=0;i<3;i++)x.fillRect(800+i*100,280,60,250)
x.font='bold 16em Arial'
x.fillText('dwitter.net',350,800)

Nov 21 2019 8:56 AM UTC

}// 118/140

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dwitter.net logo

u/joeytwiddle

"Impossible is undefined"

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katkip

function u(t) {

for(c.width|=i=121;i--;)for(j=64;j--;)x.fillRect(i*20+C(i/9+t*2)*80*S(j/7+t)-80,j*20+S(j/9+t*3)*80*C(i/7-t)-80,9,9)

Apr 29 2019 10:38 AM UTC

}// 115/140

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Fullscreen to see the waves better without aliasing.

u/artfarnaa

Nice work Katkip. All your stuff is awesome.
u/katkip

Thanks!

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SockTaters

remix of d/32485 by u/SockTaters

function u(t) {

t?c.width=w=innerWidth:P=13
onclick=m=>P-=P&&(m.x-a-3)**2+(m.y-b+3)**2<w
x.fillText("VᨆᨈΛ"[3&t*P],a=w/2+w/3*S(t*P/8),b=w/4+w/5*S(t*P/10))

Sep 23 2024 8:01 AM UTC

}// 137/140

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Click to Pet 🤎