Top dweets by u/katkip

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: #Opposites

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katkip

remix of d/11885 by u/katkip

function u(t) {

seed=4
c.width*=1;for(i=43;i--;)for(j=71;j--;)
x.fillRect(j*30+S(i/seed+t)*100-100,i*30+C(j/seed+t)*100-100,30,30)

Jan 19 2019 6:50 PM UTC

}// 114/140

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It is going up. To go down, change seed=0.02

u/katkip

Haha, this got 20 likes
u/Xen

seed=5+C(t)*2
u/katkip

The perfect straight one is seed=.0123
u/katkip

44 likes om!
u/vain

Very cool and smooth looking fx

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katkip

remix of d/11305 by u/katkip

function u(t) {

t||x.translate(960,540);x.rotate(1.57);x.fillRect(0,500,5,20),x.fillStyle=R(128+T(t),128+C(t)*99,128+S(t*3)*99);x.drawImage(c,0,0,2e3,1e3)

Dec 5 2018 3:04 PM UTC

}// 138/140

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Looking at this saved me from suicide

Show more comments…
u/firegodjr

Insanely cool
u/magna

Wow! This is rich. #keepsongiving And I also hope you're feeling OK (re: the suicide comment, that should never be overlooked.)
u/katkip

I am pretty retarded, sorry :'}
u/metamero

@magna thanks for your precise words!!
u/metamero

an @katkip I'm your fan <3 <3
u/donbright

reach out if you need it, 1-800-273-TALK (8255)
u/joeytwiddle

#kaleidoscope
u/katkip

number #1 in top, 10 dec 2018, yay
u/katkip

(weekly)
u/13thptr

very good, especially in fullscreen
u/KilledByAPixel

beautiful
u/lars-erik

138 bytes doesn't get better than this! 🤯❤

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katkip

remix of d/11741 by u/katkip

function u(t) {

c.width^=0;for(i=800;i--;)x.lineTo(960+S(i*S(i)+t/9)*500,540+C(i*S(i)+t/9)*500);x.fill()

Jan 11 2019 2:46 PM UTC

}// 88/140

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#earth planet

u/13thptr

woah
u/username

does not look like earth though
u/joeytwiddle

It does look like a #planet though. Cool effect for 88
u/katkip

That line in the middle looks a bit like Rusia
u/magna

Awesome technique! You could potentially add a way to "seed" the generation with a number and then search for a seed that resembles the Earth the most using brute-force.

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katkip

function u(t) {

c.style.background='#eee';c.width=400;for(n=900;n--;)x.lineTo(200+S(n*n+t)*200,114+C(n*n+n)*200);x.fill()

Nov 26 2018 2:38 PM UTC

}// 105/140

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Electricity

u/Xen

Nice!
u/katkip

Yep
u/aleamb

fucking awesome!

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katkip

remix of d/16679 by u/DataMeta

function u(t) {

c.style.filter=`invert(`
x.shadowBlur=40;x.shadowColor='#000';if(t<55/7)x.fillRect(960-320*C(t-(h=t>22/7?1:0)),540+320*S(h+t),8,7*(t%4))

Feb 3 2021 6:57 AM UTC

}// 136/140

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glowing ringed #planet

u/DataMeta

oooh great idea :)
u/DataMeta

#space
u/smtsjhr

looks great!

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katkip

function u(t) {

// Transferring...








receiveMessage=pauseDemo=0;q="";l=q.length;for(i=616;i--;)q+=C(i+C(t+i/99)*10+t*29)<0?'0':'1'
throw q

Feb 28 2019 2:42 PM UTC

}// 128/140

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#binary #hax

u/rnbw

oh neat! i tried to do something like this once (never published it) but your execution is really good
u/Ath0r

cool!
u/joeytwiddle

#parallax
u/C010011012

throwing errors for animation? wow clever

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katkip

function u(t) {

q=t/25;x.fillRect(0,0,2e3,2e3);for(i=500;i--;)x.clearRect(960+S(t-i*q)*(500-i),540+C(t-i*q)*(250-i+S(t)*99),8,8)

Dec 17 2018 6:20 AM UTC

}// 112/140

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#galaxy

u/jamespwilliams

Cool!
u/otomakan

Gorgeous!
u/C010011012

one of the oscillator things with the θ=r*t I see

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katkip

remix of d/16657 by u/katkip

function u(t) {

f=[];z=t;for(i=99;i--;)f.push(z=S(z)**9+C(z)**5+.1*t);for(o of f)x.fillRect(960+S(t)*o*300,540+C(t)*o*300,5,5)

Nov 16 2019 5:03 PM UTC

}// 110/140

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u/rodrigo.siqueira

Ouroboros
u/michaelplzno

would it be possible to zoom the canvas out as the pattern expands?
u/katkip

not really, save the points into array

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katkip

function u(t) {

c.style.background="#205";x.beginPath(x.strokeStyle='#fff1');for(i=9;i--;)x.lineTo(960+C(-(q=i*i*t)%3+5)*360,540+S(-q%3+5)*360);x.stroke()

Jun 20 2019 2:19 PM UTC

}// 138/140

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#moon #realistic A realistic moon with patterns on it.

u/Xen

love it!
u/KilledByAPixel

That's no moon...
u/katkip

It's a space station then

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katkip

function u(t) {

c.width^=0;x.translate(960,540);for(i=-10;i++<10;)
x.lineTo(0,i*40),
x.rotate(C(t+i)),
x.lineWidth=20,
x.stroke()

Oct 5 2018 9:47 AM UTC

}// 113/140

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#abstract thing.

u/joeytwiddle

Looks like half of Batman's batsignal
u/DataMeta

Funky organism
u/BirdsTweetCodersDweet

Looks like a wrench to me, inside some sort of half-hexagon...

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