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.

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

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BriSeven

remix of d/18368 by u/veubeke

function u(t) {

π=3.14
T=(x)=>π-(.5*x/π%1)*π*2
c=(x)=>(y=(x*x)**.5,16*x*(π-y)/(5*π*π-4*y*(π-y)))
x.fillRect(950,540,c(T(t+π/2))*300,c(T(t))*300)

Apr 24 2020 2:46 PM UTC

}// 128/140

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Bhaskara's Sine Approximation Formula #circlechallenge

u/BriSeven

what's kinda weird is the value of pi doesn't seem to matter much, it still makes a great looking circle.

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donbright

function u(t) {

c.width=2e3
Y=(a,b)=>a+50*S(i/b+t)
F=(i,j)=>x.fillRect(i,j,4,4)
for(i=2e3;i--;){
F(i,j=Y(340,100))
F(i,k=Y(540,150))
F(i,j+k-140)
}

May 19 2023 3:31 AM UTC

}// 131/140

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bottom wave = sum of other two waves

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WasifBoomz

function u(t) {

M=Math.random()
x.strokeStyle=R(M*255,M*255,M*255)
x.strokeRect(M*1920,M*1080, t*5,t*5)

Feb 21 2019 12:53 PM UTC

}// 87/140

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u/gerzytet

You can shorten this line by 7 bytes: x.strokeStyle=R(i=M*255,i,i)

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rodrigo.siqueira

function u(t) {

eval(unescape(escape`󨼮󬽴󮝬󩜮󪍥󪝧󪍴󟜧󞝩󫬧󒭤󫽣󭝭󩝮󭌮󩍯󨽵󫝥󫭴󡝬󩝭󩝮󭌮󬽴󮝬󩜮󫽶󩝲󩭬󫽷󘌽󙽡󭝴󫼧󒭦󫽲󚍡󟝢󟝴󛍩󟜲󩜴󞽩󛜭󞽢󚼽󠼨󨜪󜼩󛼴󛝢󛼴󛍡󚼽󬬯󝌫󨬪󤼨󨜪󜬩󛼳󛝡󛼶󚝩󙬸󙬦󚍲󟝩󛽢󙬱󚜬󮌮󩭩󫍬󤭥󨽴󚍢󚬲󩜳󚼶󜌰󛍡󚬲󩜳󛜳󞌰󛌮󜜬󭌼󝬩`.replace(/u../g,'')))

Jun 11 2024 6:22 PM UTC

}// 133/140

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Spiral below the vertical scrollbar. #hack when the screen space is not enough.

u/KilledByAPixel

ha nice!

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CliffJonesJr

function u(t) {

t||(r=Math.random)
X=r()*1920
Y=r()*r()*1080
x.shadowColor=R(156+r()*99,0,r()*99)
x.shadowBlur=Y/50
x.font=Y/12+'px A'
x.fillText('🕷️',X,Y)

Dec 27 2017 6:56 PM UTC

}// 139/140

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Unholy army.

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vinca

function u(t) {

t||(x.globalCompositeOperation="xor",X=0),x.fillRect(X+=9*S(t/9)|0,X,1,1),x.drawImage(c,1,0),x.drawImage(c,0,1)

May 14 2019 12:42 PM UTC

}// 111/140

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u/KilledByAPixel

i like this
u/Xen

so sexy :-O
u/katkip

Wat
u/joeytwiddle

#fractal
u/joeytwiddle

Eat your heart out Gustave Eiffel!

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cantelope

function u(t) {

x.font='2500px a',x.fillText('○',190,1245)

Nov 6 2021 10:13 PM UTC

}// 42/140

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#circlechallenge :D

u/danny@hille.dk

39 cheatpoints->x.font='25in '+x.fillText('○',190,1250)

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New_Core

remix of d/3510 by u/New_Core

function u(t) {

for(a=c.width|=i=9;i--;x.fillRect(740+650*S(t*.9+i*4),350+280*C(t+i),400,400))x.filter='blur(100px)',x.globalCompositeOperation="lighter"

Dec 30 2017 10:16 AM UTC

}// 138/140

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u/joeytwiddle

This is very heavy on my laptop! Remixed here: #4841
u/joeytwiddle

Very nice though. It plays tricks on my eyes, seems to be always growing.
u/New_Core

Sometimes dwitts gets heavy here also scrolling down the list.. most times it help to copy the share link and look at it alone, but yea this one can be heavy, running lots of filters and "gCO"'s
u/13thptr

#heavy #metaballs -like effect

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firegodjr

remix of d/8739 by u/firegodjr

function u(t) {

with(x)for(k=2e3;k--;)arc(960,540,j=k/4|0,v=k%4*1.57+S(s=t+j/50)*T(s)+S(t),v+.2),stroke(),beginPath(strokeStyle=`hsla(${j+t*80},90%,50%,.3`)

Jun 27 2018 4:37 PM UTC

}// 140/140

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Psychedelicacy 👌

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generateme

function u(t) {

for(c.width|=i=0;i<100;i++)for(j=0;j<50;j++){
  if((i+j)%16>2)x.fillRect(i*20,j*20,40*C(t+S(i*j+t/99)^2),40*S(t/11+C(t)*T(t*2+j/t)))}

Dec 2 2019 1:11 PM UTC

}// 133/140

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Glitching machine

u/generateme

Variants: i+j > i*j; %16>2 -> any other combination; %16>2 -> S(t)>0; and so on...
u/joeytwiddle

Welcome to the #glitch family
u/generateme

glitch is my second name ;)