Top dweets of all time

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.

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

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gho.xlrtx@gmail.com

function u(t) {

R=2.9+t/12
for(I=0,X=0.5;I<700;I++)X=R*X*(1-X)
for(I=0;I<100;I++){X=R*X*(1-X);x.fillRect(t*130,(1-X)*1000,2,2)}

Sep 13 2018 3:59 AM UTC

}// 112/140

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Bifurcation Diagram for the Logistic Map

u/donbright

lovely. classic.

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f8f82804

function u(t) {

c.width^=0;with(x)for(i=289;i--;beginPath(fill(arc(0,0,22+18*S(t+(X*X+Y*Y)**.5),0,7))))setTransform(1,0,0,1,60*(X=i%17+8),60*(Y=i/17%17+.5))

Sep 13 2018 3:51 AM UTC

}// 140/140

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#halftone

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New_Core

function u(t) {

W=c.width=300
x.fillRect(0,0,W,W)
x.shadowBlur=20
x.shadowColor="#0ff"
for(i=99;i--;x.lineTo(3*i,80+a*S(a)))a=T(i*7+t/9)%S(i)*30
x.stroke()

Sep 11 2018 7:20 PM UTC

}// 139/140

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u/donbright

woah

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corruptio

remix of d/9491 by u/Xen

function u(t) {

t?o.frequency.value=99/.95**'9945775422599754457799552'[t*6&31]:o=(a=new AudioContext).createOscillator(),o.connect(a.destination),o.start()

Sep 5 2018 12:10 PM UTC

}// 140/140

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Tetris! pitch and rhythm a bit off to fit into 140...

Show more comments…
u/corruptio

t?o.frequency.value=300*1.06**'994577542225997544457799552'[t*6&31]:o=(a=new AudioContext).createOscillator(),o.connect(a.destination),o.start() is 4 bytes over but sounds better.
u/joeytwiddle

Excellent! #audio #music For anyone who wants the sound to stop, just scroll down to the next dweet then hit Reload.
u/joeytwiddle

It sounds good enough with 200 instead of 99 but +1 over
u/alien

is there anyway to stop this!!! ?
u/katkip

InvalidStateError: Failed to execute 'start' on 'AudioScheduledSourceNode': cannot call start more than once.
u/384.cz

#tetris

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f8f82804

remix of d/9591 by u/magna

function u(t) {

s=Array((S(t)+1)*9|0).join` `+Array(9).join`▮`;c.width^=0;x.font='9em x';x.scale(1,3);x.fillText(s,0,200);throw s

Aug 31 2018 4:18 PM UTC

}// 113/140

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#default

u/Purpzie

NO HECKING WAY

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acorv

function u(t) {

for(i=0;i<800;i++)x.fillStyle=["#CCC","yellow","cyan","lime","magenta","red","blue"][f=i%10],x.fillRect(f*300-90*C(i/S(t)/999),i*1.5,300,15)

Aug 31 2018 2:14 PM UTC

}// 140/140

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Analog TV

u/micahcowan

Is this a test of the emergency broadcast system #EBS ? Or was there a similar pattern used outside the US for other purposes (such as when no programs are being broadcast)?
u/joeytwiddle

A slice of similarity: https://en.wikipedia.org/wiki/Test_Card_F
u/acorv

Inspired by this one: https://en.m.wikipedia.org/wiki/SMPTE_color_…

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yonatan

remix of d/9581 by u/katkip

function u(t) {

for(w=c.width|=i=0;i++<99;x[f](0,d+b,w,w))x.fillStyle=R(a=i**.5*24,a,a),x[f='fillRect'](800+i*4*C(t),d=200+i*4*(1+S(t)/2),b=400+i*4,i&8?b:0)

Aug 31 2018 12:00 PM UTC

}// 140/140

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katkip

function u(t) {

if(!t)x.translate(960,540);x.lineWidth=1/frame;for(i=0;i++<900;)x.strokeRect(-t*256*S(i+t),-t*256*C(i+t),50+t*25,50+t*25);x.rotate(6)

Aug 30 2018 6:23 AM UTC

}// 133/140

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u/joeytwiddle

#tunnel #texture
u/katkip

#stairs on fullscreen

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katkip

function u(t) {

;c.width^=0;for(i=0;i<74;i++)for(j=0;j<42;j++)
x.fillRect(26*i+S(t),26*j+C(t),25,25)

Aug 29 2018 7:42 AM UTC

}// 84/140

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It is actually a pixel illusion. It is different on other resolution

u/katkip

Try to fullscreen
u/iverjo

Interesting

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alien

remix of d/2842 by u/alien

function u(t) {

w=c.width=180
f=frame
for(j=0;j<w;j++)
for(i=0;i<w;i++){
q=(i*i+j*j)**3+9*f&w
s=i*(q/45)
s%=255
x.fillStyle=R(s,s*2,s)
x.fillRect(i,j,1,1)}

Aug 28 2018 7:56 PM UTC

}// 140/140

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