Dweets awesomed by u/stiaje

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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magna

remix of d/1480 by u/magna

function u(t) {

c.width|=0
x.font='50px monospace';
(u+'')
.slice(0,t*3+S(t)*5)
.concat(t*2&1?'|':'')
.split('\n')
.forEach((s,i)=>x.fillText(s,0,++i*50))

Apr 18 2017 1:55 AM UTC

}// 138/140

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Pair programming nightmare

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u/joeytwiddle

that title made me Lol :D
u/sigveseb

:D
u/Jenky

That's a really clever illusion, love it
u/magna

Heh, thanks! Brought it down to 123 chars in hopes of adding occasional mistakes like skipped characters / typos etc., but couldn't immediately find a way. In case anyone wants to give it a shot: https://www.dwitter.net/d/2522
u/donbright

:o
u/Polyducks

Could you make a random function to skip odd spaces?
u/magna

It has to be a deterministic PRNG so that the places that are skipped are persistent. Otherwise, it would just look like a random flipping of characters. I thought about it, but couldn't immediately find a short solution.
u/Polyducks

That's a great point. Dwitter is such a mind twister!
u/highfestiva

Groovy baby!
u/magna

#quine
u/joeytwiddle

#funny

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donbright

remix of d/2476 by u/keithclark

function u(t) {

onmousemove=e=>(T=e.pageX/99,R=e.pageY*5)
for(a=c.width^=0;a--;x.fillRect(C(a-T)/S(b)*h+960,C(b)*h+540,i=h/40-5,i))h=900/(2-S(a-T)*S(b=a/R))

Apr 14 2017 12:57 AM UTC

}// 140/140

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please move your mouse up/down/left/right inside the energy mushroom. (adding mouse to @keithclark 's globe, modded shape, w @Jenky for mous-piration)

u/gabrielsroka

#interactive

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joeytwiddle

function u(t) {

c.width|=0;x.lineWidth=d=45;for(i=30;i--;r%4&&x.stroke())r=(2+i%10),s=i+4*S(t+i),l=(4+i*3)%6,x.beginPath(),x.arc(940,540,r*d*.9,s,s+l)

Apr 12 2017 7:16 PM UTC

}// 134/140

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http://revision-party.net is this weekend!

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u/reportbase

Thumbs Up. This is cleaver.
u/donbright

!!!!!!
u/sigveseb

Who's going?
u/joeytwiddle

Unfortunately I am too far from the party. BTW this dweet runs too quickly. I should have used t/3
u/iverjo

I'm going to revision :D
u/joeytwiddle

Lock some of the blocks, so not everything is moving at once: s=i+2*C(t/4+i)**32
u/joeytwiddle

Have a great time iverjo and anyone else attending!
u/iverjo

#revision

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aemkei

remix of d/2238 by u/aemkei

function u(t) {

r=500;c.width^=0;for(I=F=2;F>-2;F-=1/2e3)x.fillRect(C(F)*S(L=F*r-t)*r+999,S(F)*r+520,W=(20&((S(I+=.25032)*50)*C(.1+I/1000)*.7))*C(L/2),W)

Mar 21 2017 10:36 PM UTC

}// 137/140

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the world …

u/sfz

you are a god.min.js
u/sigveseb

well done!
u/iverjo

#sphere #earth #globe
u/vain

What?? top ++++

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mxfh

function u(t) {

for(x.setTransform(f=51,0,i=7,f,h=360,h);i--;x.fillRect(i==3?-f:9+i*.6,i,99,1))x.fillStyle=`hsl(${(t+i)*f%h},99%,50%)`;x.strokeText('▲',4,7)

Mar 13 2017 7:50 PM UTC

}// 140/140

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Dwitter Album Covers

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donbright

remix of d/2033 by u/recursive

function u(t) {

t||(a=0)
x.drawImage(c,C(a+=S(t/155*C(t)))*20,S(a)*20)
x.fillRect(1e3,500,20,20);
x.fillStyle=R(128*S(a)+128,(C(a)*256)%256,(250-a)%250)

Mar 11 2017 1:17 AM UTC

}// 137/140

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actually a remix of two... recursive's 2033 and https://www.dwitter.net/d/2008 by RavenWorks

u/sfz

wowweewowowo
u/RavenWorks

this is great!!
u/recursive

Whoa, you went in a totally different direction with this.

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recursive

function u(t) {

t||(h=[])
x.drawImage(c,0,-1)
for(i=2e3;--i;x.fillRect(i,1079,1,1))x.fillStyle=R((h[i]=(h[i-1]+h[i]+h[i+1])/3.01+Math.random()*40-20|0)+128)

Mar 10 2017 11:53 PM UTC

}// 140/140

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u/donbright

liked this method alot. remix https://www.dwitter.net/d/2037
u/hypothete

your noise generation here is slick, is this a technique of sorts or just trial and error?
u/recursive

Both. I wanted to be random, but I didn't want pure static. I wanted nearby pixels to have similar levels.

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aemkei

function u(t) {

c.width^=0;for(Y=12;Y--;)for(X=12;X--;)(1<<X)&[,396,82,66,76,80,76][Y]||x.fillRect(1190-X*50+S(t+X/10)*30,700-Y*50+C(t*3+X/4)*30,36,36)

Mar 10 2017 7:55 PM UTC

}// 135/140

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u/donbright

lol i salute this flag
u/joeytwiddle

#flag
u/atgz

#logo

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hypothete

function u(t) {

d=960;e=1080;
z=t*d%1920;
f=1;l=1;
x.font='200px Arial';
y=-d*Math.abs(S(t*f*Math.PI*2)/Math.exp(t*l));
x.fillText('🃏',z,e+y);

Mar 10 2017 6:43 AM UTC

}// 127/140

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u/sfz

I feel like I just won one card solitaire!
u/iverjo

Me too!
u/iverjo

Reminds me of Windows 3.1
u/sfz

Btw - you can change font to '14em a' or similar to save some bytes
u/hypothete

thx sfz!
u/stiaje

If you don't need a very exact pi you can also shave some bytes off.

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recursive

remix of d/1976 by u/recursive

function u(t) {

for(d=256;--d;)for(X=-32;++X<32;x.fillRect(960+X*8e3/d,100+7e4/d-h,120,9))x.fillStyle=R(h=(C(a=d/9+t*6)+C(X/9+a/3))*35,g=h+C(X^d)*6+90,g/.8)

Mar 9 2017 12:33 AM UTC

}// 140/140

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Bluer waves

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u/sfz

Incredible
u/sigveseb

Epic
u/FireFly

This is crazy, great stuff :D
u/iverjo

Best water on dwitter thus far!
u/iverjo

I also tried to achieve this some time ago, but yours is much more convincing
u/iverjo

https://www.dwitter.net/d/65 and https://www.dwitter.net/d/254 and https://www.dwitter.net/d/295 and https://www.dwitter.net/d/366
u/recursive

Your idea gives really great color to the surface. I wonder if it's possible to animate the colors using your idea, and the wave geometry and lighting using mine.
u/magna

(ノಠ益ಠ)ノ彡┻━┻
u/Renaud___

very very nice
u/jsizzle

Seriously amazing. Wow
u/SpecialAgent

Bravo
u/ideokan

i am a web developre, feeling like a dumb monkey in here
u/PiggyClone205

Welcome to the club, ideokan.
u/Godcranberry

This sis amazing, totally my favorite
u/Godcranberry

is* mb fam
u/iverjo

#water
u/hollo47

#ocean
u/katkip

#waves
u/vain

Very nice and lovely wave

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