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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taupelink

remix of d/15254 by u/taupelink

function u(t) {

for(i=1e3,d=e=0,q=2;i--;)p=d*270,x.fillRect(960+p*C(o=e*q),p*S(o),1,1),d+=((r=Math.random()*6|0)-d+d*C(e*q)**3)/2,e+=(r%3-e-d*S(d*e*q)/9)/2

Aug 7 2019 1:39 PM UTC

}// 139/140

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d/15318

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mildlybean

function u(t) {

w=[[99,30,8],[3,50,1],[6,9,-1]];for(c.width|=i=1919;i--;x.fillRect(i,540+y,15,15))y=0,w.forEach(function(m){y+=m[1]*S(t*m[2]+i*m[0]/305)*5})

Sep 2 2019 7:38 PM UTC

}// 140/140

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Sum of three sine waves. By modifying w, you can try any combination of sine waves.

u/mildlybean

w=[[3,25,3],[6,25,2],[9,25,1]] is cool
u/mildlybean

So is w=[[4,20,-2],[2,40,2]]

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katkip

remix of d/11524 by u/katkip

function u(t) {

t||x.translate(960,540);for(i=99;i--;)x.fillStyle=i%2?'#fff':"#000",x.fillRect(-i*10+S(i*t)*t,-i*10+C(i*t)*t,20*i,20*i);

Dec 22 2018 6:52 PM UTC

}// 120/140

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Their colors aren't changing. Their position is.

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taupelink

remix of d/23480 by u/taupelink

function u(t) {

for(i=q=410;--i;x.fillRect(i*X*4,630+q/Y,q*q/5**t,i*i/5**t))f=i*t,X=f*f%4,Y=X*f%4,x.fillStyle=R(q+=S(q)*i/t,q+=C(X*q)*i,q*=C(q%9*Y),Y/q**.6)

Aug 8 2021 3:44 PM UTC

}// 140/140

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d/23515

u/magna

When I squint I see a crowded street in the rain
u/rep_movsd

Like a colorful African market
u/danny@hille.dk

beautiful

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KilledByAPixel

function u(t) {

n=frame
x.strokeStyle='#'+n
for(j=0;j<50&&n<1e6;)for(x.lineTo(j++*40,1e3-Math.log(i=a=n)*70),n=0;i--;)a%i?0:n+=i
x.beginPath(x.stroke())

May 3 2024 6:55 PM UTC

}// 136/140

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Aliquot Sequences - Log Graph

u/KilledByAPixel

more info: https://youtu.be/OtYKDzXwDEE?si=B8Gg8rbmDLTk…

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rodrigo.siqueira

remix of d/28508 by u/rodrigo.siqueira

function u(t) {

eval(unescape(escape`景爨愽戽琬椽㑥㌻椭ⴻ戭㵃⡡⨳⤫戯㔬愫㴨椯戦ㄩ⨳⸲ⵢ⩓⡡⨳⤯㠭愪愯㐮㔩砮晩汬剥捴⡡⨳攳ⴶ㤰ⵢ⨳〰Ⱝ截㐴〫㐶〬⸲ⱴ㰱⤍੸⹦潮琽✮㙩渢✍੸⹦楬汔數琨❜畄㠳䑜畄䌴〧ⰱㄳ〬㜹㔩`.replace(/u([^D].)/g,'$1%')))

Oct 28 2023 11:11 PM UTC

}// 134/140

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Mosquito 1

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rodrigo.siqueira

remix of d/14046 by u/rodrigo.siqueira

function u(t) {

c.width|=0;for(var w=960,i=8e3;i--;){var 
X=C(i**2)*1.3,
Y=S(i)*S(K=X*2-t)/2-1,
Z=C(i)*C(K)/2-2;
x.fillRect(w+w*X/Z,w*Y/Z,5,5)}

May 22 2019 2:51 AM UTC

}// 127/140

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The Thing

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puckipedia

function u(t) {

c.width+=0,c.onmousemove=d=>a=d.clientX*3;z=(t?z:Array(f=1e3).fill([a=f,0])).map(([w,e],i)=>(x.fillRect(w,i,9,9),[w+e*i/f+e/9,(e*6+a-w)/9]))

Mar 1 2017 7:29 PM UTC

}// 140/140

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Just a wobbly line.

Show more comments…
u/sfz

was staring at this waiting for something to happen longer than I like to admit XD
u/lionleaf

Amazing. Love these interactive ones
u/iverjo

+1 for the physics :D
u/iverjo

mildly entertaining to play with
u/hamptonio

nice!
u/recursive

I learned something new! Destructuring assignment!
u/iverjo

#interactive
u/katkip

#physics

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FloppyDiskO

function u(t) {

c.width=1920;v=Math.random()*255%255;x.fillStyle=R(v,v,v,v/100);for(i=0;i<99;i++)x.fillRect(Math.random()*2000,Math.random()*i/v*v*33,2,i);

Aug 18 2021 9:42 PM UTC

}// 139/140

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Rain

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tongong

function u(t) {

eval(unescape(escape`𨰮𭱩𩁴𪁼🐰𞱸𛡬𪑮𩑊𫱩𫠽𘡲𫱵𫡤𘠻𩡯𬠨𪐽𝐻𪐭𛐻𮀮𫁩𫡥𥱩𩁴𪀽𜐰𚑛𜀬𜐲𛀰𝐬𜐷𛀰𝐬𜠵𛀱𜠬𜰲𧐮𩡯𬡅𨑣𪀨𚁨𚐽🠊𮰊𬀽𭀫嵮𚁨𛰱𜀫𜠪𪐩𚠴𞐷𞱮👨𙐱𜀥𜰽🐲𞱸𛡥𫁬𪑰𬱥𚀹𝠰𛀲𜀰𚱨𙐱𜀪𞐹𛀳𝀰𚡮𛀱𝰰𚡮𛀰𛁰𛁰𚑽𚐊𮀮𬱴𬡯𪱥𚀩`.replace(/u../g,'')))

Feb 16 2020 8:32 PM UTC

}// 137/140

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Icosahedron

u/13thptr

156: for(c.width|=i=5;i--;x.lineWidth=9)[0,12,5,17,5,25,12,32].map(h=>{s=h%10;n=s%3==2;p=t+~~(h/9+2*i)*497;x.ellipse(960,200+s*99,340*n,170*n,0,p,p)});x.stroke()
u/13thptr

nice first dweet by the way
u/tongong

thank you!