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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pavel

remix of d/12355 by u/cantelope

function u(t) {

for(i=c.width|=h=355/226,w=960;Y=w-i--**h%w*2;x.fillRect(w+S(i+t)*w*r/z,540+Y/z,s=99/z/z,s))r=(Y*Y<8e5||Y%1)/S(i%h+h/2),z=4-S(t)-r*C(i+t)

Feb 14 2019 11:21 PM UTC

}// 137/140

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#uncompressed

Show more comments…
u/pavel

The base code draws a tube. 1/S(i%h+h/2) radius makes the tube have a square cross section.
u/pavel

(Y*Y<8e5||Y%1) randomizes the radius between 0 and 1 near top and bottom.
u/pavel

Err, between -1 and 1, and this makes the top and bottom panels.
u/cantelope

I see some gathering of points in the middle of the top and bottom panels, but other than that, a faithful reproduction. kudos!
u/pavel

I use polar coordinates, even though the radius is uniformly random that results in more dots near the middle :/
u/iverjo

#cube #d3

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Noah

remix of d/9898 by u/Noah

function u(t) {

eval(unescape(escape`愽䌨娽琪㈰⤬戽匨娩Ɽ㴸㤱Ɐ㴵㤴⭡⨹㤬樽搭截㤹ⱸ孇㴢晩汬剥捴≝⡪⭃⡴⤪ㄹ㠬漫匨琩⨱㤸ⰵⰵ⤬硛䝝⡪Ɐⰵⰵ⤬硛䝝⡤⭃⡴⤪㈹㜬㔹㐫匨琩⨲㤷ⰵⰵ⤻`.replace(/u(..)/g,"$1%")))

Sep 17 2018 11:57 PM UTC

}// 116/140

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with the same methods as the trinity doughnut, now that i learned some of them i got my 149 doughnut to 135

u/Noah

a=C(Z=t*20),b=S(Z),d=891,o=594+a*99,j=d-b*99,x[G="fillRect"](j+C(t)*198,o+S(t)*198,5,5),x[G](j,o,5,5),x[G](d+C(t)*297,594+S(t)*297,5,5)

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taupelink

remix of d/20124 by u/taupelink

function u(t) {

r=Math.random;for(i=k=128;i--;x.fillRect(k*X,k*Y,i/t,i/t))X=r(Y=r()*9)*15,x.fillStyle=R(h=k*C(k*C(p=9*S(X/5)-6)+p*C(Y%p*9-Y))+k,h+p*9,p*k-h)

Oct 5 2020 12:11 AM UTC

}// 140/140

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d/20185

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New_Core

function u(t) {

for(c.width|=i=500;i--;x.fillRect(b*S(a=i*(f+1)*~~d%220)+f*9+960,600+b*C(a)+400*C(d),9,9))d=((f=i%9)+t)%3.6,d>3?b=i/T((f+t)/4%.3+1.6):b=0

Jan 1 2021 4:41 PM UTC

}// 137/140

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u/Odog8

Happy new years!!!
u/DataMeta

H A P P Y 2 0 2 1
u/DataMeta

#fireworks

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elrod

function u(t) {

if(t%3<.5)c.width=1920;for(i=99;i--;){r=Math.random();x.fillStyle=R(0,r*255,r*255,1);x.fillRect(r*1920,Math.random()*1080,50,50)}

Jul 24 2016 8:16 AM UTC

}// 129/140

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pavel

remix of d/11455 by u/pavel

function u(t) {

for(r=c.width|=0;--r;)x.stroke(p=new Path2D,p.arc(960,540,r,a=(r+~~(99*t)-t/9)*5**.5/2%(2*Math.PI),a+(x.lineWidth=32)/r))

Dec 19 2018 1:13 AM UTC

}// 121/140

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Black Hole

u/pavel

Deleting %(2*Math.PI) works in Chrome but not in Safari.
u/pavel

Notice that the radius does not change with time. The inward motion is achieved by drawing a smaller radius square next to where the larger radius square was a frame ago.
u/pavel

If the squares were numbered you'd see that the numbers jump around every frame.
u/pavel

I've made an explanation dweet d/11488

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rodrigo.siqueira

remix of d/33038 by u/taupelink

function u(t) {

eval(unescape(escape`𘑴𙠦𮀮𩡩𫁬𤡥𨱴𚀰𛀰𛀲𩐳𛀲𩐳𚐻𩡯𬠨𪐽𝱥𜰻𪐭𛐻𮀮𩡩𫁬𤡥𨱴𚀲𝰪𦀫𝐴𜀭𦐪𜐲𛑦𛀹𞐫𝰪𦀫𜐸𚡙𛐲𚡦𛀮𝀬𭀼𝰩𚑦🐶𚱃𚁘👩𚡩𚡴𙐴𞀩𚱓𚁙👩𚡴𙐳𜰩𛁸𛡦𪑬𫁓𭁹𫁥👒𚀱𞀪𚁦𚰽𦀯𦐪𚠮𜠥𩠩𛀴𚠨𩠫🐲𚡙𙑦𚐩`.replace(/u../g,"")))

Jan 6 2025 3:00 PM UTC

}// 127/140

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Rusty layers

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gpolonus

remix of d/17815 by u/gpolonus

function u(t) {

f=(a,y)=>(x.fillRect(a,y,20,20)||f)
d=(a,y)=>f(a,y)(1920-a,1080-y)
c.a=c.a||c.addEventListener('mousemove',e=>d(e.x*3.41,e.y*3.38))||1

Mar 3 2020 3:30 PM UTC

}// 134/140

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Multiple cursors

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gabornyeki

remix of d/33364 by u/gabornyeki

function u(t) {

eval(unescape(escape`󭽩󭍨󚍸󚝦󫽲󚍩󟜱󞌻󪜭󛜻󬭥󬽴󫽲󩜨󚜩󬌽󠼨󭌫󪜩󛼱󞜬󭼽󜜲󜌫󪜪󜜹󞌫󪜪󚬮󞜪󬌬󬜽󜜲󜌪󠼨󤼨󭌯󜬩󛼲󚽩󛼵󚜬󬽡󭭥󚍦󪝬󫍓󭍹󫍥󟝒󚍹󟜱󜼰󚽱󛍹󛌲󝜰󛝱󚜩󛍴󬭡󫭳󫍡󭍥󚌶󝌰󛌱󜌸󜌫󭼯󝬩󛍲󫽴󨝴󩜨󜜮󜬵󚬪󚌭󪜭󜜩󚭰󚬶󚜬󩭩󫍬󤭥󨽴󚍶󟜭󭼯󜬬󭬬󭼬󭼩`.replace(/u../g,'')))

Feb 18 2025 7:38 AM UTC

}// 138/140

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Floating squares

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taupelink

remix of d/19530 by u/taupelink

function u(t) {

g=(x,y)=>(x*y)%.7+C(x+S(y));for(i=1e3;i--;)X=(r=Math.random)()*9,Y=r()*20,x.fillRect(X*220,Y*54,(g(X,Y)*(X|Y))|0/6,g(T(X-30/Y),T(X*X-Y))>.3)

Aug 7 2020 2:20 AM UTC

}// 140/140

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d/19623