Dweets awesomed by u/jellyedwards

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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pavel

function u(t) {

for(a=b=u=c.width|=i=0;i++<99*t;x.fillRect(960+800*C(a+t)*S(b)/z,540+800*C(b)/z,s=20/z/z,s))a+=C(u+=i**.9%1-.5)/69,z=2+S(a+t)*S(b+=S(u)/69)

Apr 10 2019 1:23 AM UTC

}// 139/140

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Wiggly boy

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u/magna

Awesome!
u/DataMeta

Cool!!
u/joeytwiddle

Bloody brilliant #sphere #perspective
u/katkip

this will get to the top
u/katkip

#d3
u/iverjo

Wow!
u/donbright

#randomwalk

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rodrigo.siqueira

remix of d/12287 by u/rodrigo.siqueira

function u(t) {

c.width+=X=Y=Z=d=.05
for(i=7e3;i--;)
X+=-d*(Y+Z),
Y+=d*(X+.2*Y),
Z+=d*(.2+Z*(X-5)),
x.fillRect(950+X*55,930-Z*55+Y*C(X/9+t)*9,3,5)

Apr 9 2019 1:57 PM UTC

}// 130/140

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Rössler Strange Attractor - system with chaotic dynamics and fractal properties. #attractor #lorenz

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tomxor

function u(t) {

eval(unescape(escape`挮睩摴栽㐸〻挮獴祬攽❦楬瑥爺楮癥牴⠱⥳数楡⠱✻景爨椽㉥㐻椭ⴻ⥸⹦楬汒散琨㈴〫㤹⩓⡘㵩┱㈰⼳㤩⩃⡙㵩⼶攳⤭䌨夫琩⨨娽匨匨太㐩⽃⡘⨱㘯天⤪⨵⨸⤬ㄳ㔫㤹⩃⡘⤭䌨堫琩⩚ⱓ⡘⤬䌨夫娯ㄶ⭴⤪⨷⨳⤻`.replace(/u(..)/g,"$1%")))

Mar 18 2019 11:00 PM UTC

}// 140/140

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Super Dune #planet #space

u/tomxor

A tumultuous and dusty planet trapped in the middle of a binary star system (my excuse for lighting both sides :D). prepend t/=6; if you have a crazy fast GPU
u/lionleaf

Wow, this one is simply amazing!
u/aleamb

wow! superb! amazing!
u/iverjo

Very good!
u/vain

Unbelievable great bump map like fx

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tomxor

function u(t) {

c.width=384;for(i=800;i--;)"߿蠀￱衁	衂	衂	蠂	蠂Ɖ蠂 蠂䀉蠂䠉蠂侉蠂䀉蠂 衂	衂Ɖ衂	衂	衂	衂	衂￱蠁蠀߿".charCodeAt(i>>4)>>i%16&1&&x.fillRect(180+(i>>5),96|i&31,1,1)

Mar 18 2019 12:50 AM UTC

}// 140/140

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128k Happy Mac #mac #retro

u/tomxor

Computer interfaces used to be so much more cute :)
u/tomxor

#bitmap #sprite
u/tomxor

#pixelart

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andrea270872

remix of d/12771 by u/andrea270872

function u(t) {

c.width|=K=1e3
A=[(t*97%11-5)*K,(t*89%13-6)*K,0]
P=t?P.map(([i,j,z,v])=>[i,j,(z+1)%99,x.fillRect(K+i/z,500+j/z,z,z)]):[A]
P[K]||P.push(A)

Mar 15 2019 7:44 PM UTC

}// 137/140

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Build-up!

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u/Xen

love it
u/pavel

103 for(c.width|=K=k=1e3;k--;z>0&&x.fillRect(K+(k*97/60%11-5)*K/z,500+(k*89/60%13-6)*K/z,z,z))z=(60*t-k)%99
u/pavel

Looks like the code you started with used Math.random at each step which made the ultimate position of each square at time 't' impossible to determine directly. Switching to instead use any function of just t makes it quite simple so there is no need to initialize stuff at time 0 and keep it updated.
u/pavel

I learned that in d/11421 to save chars and make d/11424
u/andrea270872

great. thanks very much
u/andrea270872

In my head I was thinking also that t*97%11 is a pseudo-random generator...
u/katkip

Satisfying

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yokljo

remix of d/12758 by u/yokljo

function u(t) {

c.width|=0
X=C(t)+16
Y=S(t)+9
x.beginPath()
x.lineWidth=9
for(i=9;i--;)Z=S(Y),Y+=C(X),X+=Z-S(t),x.lineTo(X*60,Y*60)
x.stroke()

Mar 15 2019 10:29 AM UTC

}// 126/140

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jellyedwards

remix of d/12732 by u/marc8

function u(t) {

c.width=w=320
t%=9
for(i=0;i<w;i++)z=1-(S(k=(i-w/2)/9)/k),x.globalAlpha=z*t/9,x.lineTo(i,1+z*6*t),x.fillRect(i,80,1,70)
x.stroke()

Mar 15 2019 8:25 AM UTC

}// 130/140

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added a bit of animation to it

u/DataMeta

#hiddengem

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Jezza

remix of d/12736 by u/Jezza

function u(t) {

x.fillRect(0,0,1920,1080);X=C(t/2)*6+16;Y=S(t/2.1)*6+9;x.globalAlpha=.05;for(i=99;i--;)Z=S(Y),Y+=C(X),X+=Z,x.clearRect(X*60,Y*60,5,5)

Mar 15 2019 12:30 AM UTC

}// 133/140

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Shoutout to @katkip for #attractor rabbit hole.

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u/tomxor

wow
u/katkip

Nice
u/aleamb

yeah!
u/jick

Wow!
u/lionleaf

That's amazing!
u/lionleaf

#grid
u/sigveseb

Rad
u/vain

How? So beautiful and impressive

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Jezza

function u(t) {

t||(X=Y=0);x.globalAlpha=.1;for(i=500;i--;)X+=S(Y),Y+=C(X),x.fillRect(X*60,Y*60,1,1);X=++X%33;Y=++Y%19

Mar 14 2019 2:55 AM UTC

}// 102/140

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X+=S(Y);Y+=C(X)

u/Xen

#waitforit
u/DataMeta

I really dig this

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marc8

function u(t) {

c.width=w=320
for(i=0;i<w;i++){
z=1-(S(k=(i-w/2)/11)/k)**2
x.globalAlpha=z**10 //gamma
x.lineTo(i,1+z*60)
x.fillRect(i,80,1,70)}
x.stroke()

Mar 12 2019 9:59 PM UTC

}// 139/140

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The physics dweets: single slit diffraction figure. Adjust the gamma value from 1 (accurate) to whatever (enhanced).

u/rodrigo.siqueira

Morlet Wavelet + Gabor filter #wavelet

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