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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Current theme challenge: #Food

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rep_movsd

function u(t) {

eval(unescape(escape`𪑦𚁦𬡡𫑥𙐶𜀽🐰𚑻𨰮𭱩𩁴𪁼🐱𛁋👍𨑴𪀮𬡡𫡤𫱭𚀩𒡦𫱲𚁸𛡢𩑧𪑮𤁡𭁨𚀩𛁡🐰𞱡🀶𛠲𞀻𨐫🐮𜀱𛁸𛡬𪑮𩑔𫰨𦀬𦐩𚐊𩡯𬠨𦀽𞐶𜀬𦐽𝐴𜀬𤠽𝀰𜀬𪐽𜐵𞱩𛐭🠲𞰩𦀫👓𚁢👡𚡩𚐪𠰨𢰪𭀪𪐩𚠨𣀽𤠯𪐩𛁙𚰽𠰨𨠩𚡓𚁴𚠪𪐩𚡌𞱸𛡦𪑬𫀨𚑽`.replace(/u../g,'')))

Jul 29 2021 1:27 PM UTC

}// 135/140

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Xenobiology picture book #alien

u/taupelink

wow!
u/rep_movsd

It's just a sum of random fourier co-efficients - never expected this weird effect!
u/TGY

this is like so amazing, you could build game out of it
u/rep_movsd

Yeah - something like pokemon - people collect random creatures and pit them against each other, and some way to combine them

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Xen

function u(t) {

t%9>1?x.strokeRect(i=t%8*Z*3,i,1920-i*2,1080-i*2):x.clearRect(0,0,2e3,2e3,Z=Math.random()*499)

Aug 11 2018 4:26 PM UTC

}// 94/140

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Random Dwitter-Art Creator

u/Xen

new one every few seconds #waitforit

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most

function u(t) {

c.width=1920;
n=30
w=1920/n
h=w*3
for(i=0;i<n;i++){
x.fillStyle = R(255,0,i*255/n, 1)
x.fillRect(w*i,540-(h/2)+T(t/3+i)*70,w,h)}

Dec 27 2017 9:08 PM UTC

}// 128/140

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baon

function u(t) {

for(c.width|=0,p=i=1e3;i--;x.fillRect(960+300*X,540+400*Y,5,5))
b=3,X=S(i+t)*1.5*S(i*b),Y=C(i*2)*C(i*b)*C(i+6)

Dec 29 2023 2:19 PM UTC

}// 111/140

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u/Odog8

Pretty!

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elilyly

function u(t) {

t*10
x.beginPath()
x.ellipse(900,500,450,1,t*C(t),0.5,0.9,1)
x.strokeStyle='blue'
x.stroke()

Dec 26 2017 11:33 PM UTC

}// 92/140

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magna

remix of d/28506 by u/Xen

function u(t) {

c.width=49
x.fillText('⦀⦀⦀',10+S(t)*8,16)

Sep 16 2023 4:24 AM UTC

}// 41/140

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nano #default

u/Joachim

YES!
u/magna

Looks bad on macOS. Kinda works on Windows.

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codeslaw

function u(t) {

x.fillRect(0,0,$=2e3,$)
i=3e3;while(i--){x.strokeStyle=`hsla(${i*C(t/21)},79%,49%,.3)`;π=i%$||x.stroke()|x.beginPath()
x.arc(0,i/$*π,π,0,7)}

Mar 18 2017 1:21 AM UTC

}// 140/140

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Curves, colors, lights, and shadows.

Show more comments…
u/sigveseb

Very nice!
u/iverjo

Nice in Chrome, but froze my Firefox for like 15 seconds
u/codeslaw

😅 You can play around with lowering i and $ to raise the frame rate ¯\_(ツ)_/¯
u/donbright

i like the elegance of this, really has a special look to it
u/donbright

i like the elegance of this, really has a special look to it
u/joeytwiddle

#shiny

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bobbymonboy

remix of d/739 by u/donbright

function u(t) {

c.width=900;半=450;for(i=0.0;i<720;i+=0.1){x.lineTo(半+C(i*t/20)*i,半*9/16+S(i*t/20)*i)};x.stroke();

Jun 4 2021 8:02 PM UTC

}// 97/140

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Slower, Fullscreen

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camel_case

function u(t) {

l={}
p=0.01
r+=0.007
for(i=0; i<50; i++){
p+=r*p*(1-p)
l[i%h]=p
for(j=0; j<h; j++){x.fillRect(t*120, 1080-l[j]*540, 2, 2)}
}
}
var r=0,h=6
{

Mar 14 2019 5:50 PM UTC

}// 140/140

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Logistics map with some bifurcation, still trying to figure out how to make it look pretty tho

u/artfarnaa

Nice, though I suggest provide a link to background info on what a logistics map is and what bifurcation does. We newbies need just a tad of hand holding.
u/rodrigo.siqueira

#bifurcation

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trancor

function u(t) {

w=(c.width=999)/2;h=w/2;p=[];t/=8
for(j=12;j--;p.map((k,i)=>{x.moveTo(...z);x.lineTo(...k)}))
p.push(z=[S(t+j*4)*w+w,C(t+j)*h+h])
x.stroke()

Apr 27 2018 5:32 PM UTC

}// 140/140

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Thanks u/prplz for your golfing help to visualize bell numbers!