Dweets awesomed by u/timothytomato

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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New_Core

remix of d/3171 by u/New_Core

function u(t) {

for(i=40;i--;x.fillRect(t*(t/9+i)+a-390,a-200,60,100))x.shadowOffsetY=x.shadowBlur=1e3,x.shadowColor=`hsl(${a=99*S(i+t/2)},99%,${a}%)`

Sep 16 2017 7:22 AM UTC

}// 135/140

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Burning canvas.. first fire test =)

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nystrand

function u(t) {

with(x)for(translate(t?S(t):m=993,t?0:540),i=m;i--;fillRect(-m,i+z,3e3,8+z/22))fillStyle=R(z=m/((i*i-t*9)%m),z*3,rotate(-T+(T=i+S(t/9))),.3)

Sep 1 2017 10:41 PM UTC

}// 140/140

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Show more comments…
u/Xen

reminds me of spiderman intro, nice one!
u/cantelope

whaaaaaa
u/sigveseb

Really cool
u/magna

Wow!
u/joeytwiddle

Great!
u/iverjo

Wow!
u/Xen

had to have a play, done remix :)
u/alien

Can some one explain what the with(x) is doing ? please :)
u/lionleaf

Wow! That looks amazing. Love what looks like a white cube that vanishes in the beginning too.
u/nystrand

@alien: with(x) puts x in the scope so that you don't have to write the "x." part of x.fillRect, x.translate etc. So, it only saves bytes if you have more than 3 functions in x you want to call.
u/N0va

Very nice!
u/joeytwiddle

Cyber Fibers
u/katkip

wait wot
u/marc8

Really 3D on a large screen
u/joeytwiddle

#matrix

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magna

remix of d/2588 by u/magna

function u(t) {

w=c.width|=0;x.fillRect(0,0,w,w);x.clearRect(100,470,1720,140);x.fillRect(110,480,1700,120);x.clearRect(120,490,(t-(t|0))*1680,100)

Aug 24 2017 4:07 AM UTC

}// 131/140

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dweet player loader mark 2

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FireFly

function u(t) {

for(i=2e3;!t&&i--;Math.random()>(X**2+(Y-4)**2)**.5/6&&f(7)+f(-7))X=i&3,Y=i>>2&7,f=m=>x.fillRect(240*(i>>5&7)+120-X*m,180*(i>>8)+50+Y*7,7,7)

Aug 20 2017 3:53 PM UTC

}// 140/140

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Spritegen! Generates 48 random sprites each time the dweet is run (make a change to rerun the dweet)

Show more comments…
u/sigveseb

I love this!
u/alien

wait WHAT !!
u/alien

D: What is going on here!! how
u/iverjo

How does it work?
u/FireFly

It's a dweetification of an older sprite generator of mine. The idea is to take a "mask" of 0..1 floats and filter a grid of random numbers for when num<mask. In this case the mask is based on euclidean distance from centre. This is done for half the sprite, and then the other half is just mirrored
u/FireFly

(You could also view it as flipping a biased coin for each mask value, with the bias given by the mask)
u/FireFly

The same principle would work just as well with larger sprites too, and more exotic/interesting mask shapes. The same rid of random numbers could be applied to different masks, or to an animated mask, to produce an animation between sprites, too!
u/nystrand

so cool!
u/joeytwiddle

Awesome. I love it. Every single one looks like a space invader!
u/iverjo

Interesting technique. Thanks for explaining :) Also, I agree with joeytwiddle
u/jick

Got a link to the original sprite generator?
u/FireFly

I never really wrote it to be shared, so it's all hardcoded and with really ugly code. I put together this animation though: https://twitter.com/FireyFly/status/80072288…
u/statenlogic

Simple, but effective! Makes me want to play 8-bit games again.
u/donbright

genius
u/joeytwiddle

#hiddengem
u/stiaje

#witchcraft
u/tomxor

#bitmap #sprite
u/KilledByAPixel

#generative pixelart
u/KilledByAPixel

#pixelart

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nystrand

function u(t) {

for(i=c.width+=0;q=--i/3|0;x.lineTo(a*w+1e3,b*w+540))[a,b,z,w=(z+4)*89]=t&7?x[q]:[C(t*i),i%5?1:-1,2*i%4-1],x[q]=[b+a/99,z,a-b/99];x.stroke()

Aug 19 2017 3:23 PM UTC

}// 140/140

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u/donbright

nice work

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nystrand

function u(t) {

for(i=c.width+=0;i--;x.fillRect(a*w+1e3,b*w+540,m=w/9-9,m))[a,b,z,w=(z+9+T(t))*19]=t?x[i/3|0]:[S(i),C(i),6*i%8-3],x[i/3|0]=[b+a/77,z,a-b/77]

Aug 19 2017 1:34 PM UTC

}// 140/140

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Show more comments…
u/iverjo

Respect!
u/joeytwiddle

Wow!
u/cantelope

unreal!
u/n0va

Impressive!
u/FireFly

This one is really cool! Keep it up! :)
u/p01

👍
u/donbright

oh man!!!
u/nystrand

thanks for all the nice comments!
u/13thptr

#d3 #perspective

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raurir

function u(t) {

c.width=1920;p=92;for(n=0;n<p*p;n++){i=n%p,k=n/p|0,j=(k-p/2)/(p/2),r=C(t*3+(i+k)/9*C(t))*2*(1-j*j);x.fillRect(p+k*19,p+(i-r*r)*9,19,3)}

Aug 2 2017 1:08 PM UTC

}// 135/140

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My take on Unknown Pleasures

u/raurir

Thanks to xen!
u/cantelope

cloth physics in 135b!
u/Xen

i bet you could beat 100bytes ;)
u/raurir

140 is the target, mission accomplished. You're welcome.
u/joeytwiddle

#cloth #material

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Xen

remix of d/2963 by u/p01

function u(t) {

for(X=c.width=99;X--;x.fillRect(X,D,1-D/7,59-D*6))for(D=0;','<(u+1)[t+D*C(T=X/99-C(t))|(4.5+D*S(T))<<3]&&D<6;)D+=.1

Jul 31 2017 11:18 PM UTC

}// 115/140

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Dweetenstein115

u/iverjo

Impressive! Also kudos to p01 for creating the original
u/donbright

omg
u/Xen

Every remix i've ever done wouldn't exist without the original ;-)
u/iverjo

#wolfenstein
u/Xen

#d3 #raymarching

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p01

remix of d/2961 by u/p01

function u(t) {

for(X=c.width=240;X--;x.fillRect(X,D*3,1-D/8,99-D*6))for(D=0;'.'<(u+1)[t*2+D*C(T=X/240-.5-C(t)/4)&7|(3.5+D*S(T))<<3]&&D<8;)D+=.1

Jul 29 2017 7:12 PM UTC

}// 128/140

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Homage to WOLFENSTEIN 3D in 128 bytes

u/p01

This is pretty much a port of WOLFENSTEINY - http://www.p01.org/wolfensteiny/
u/iverjo

Impressive!
u/iverjo

#wolfenstein

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p01

function u(t) {

for(x.beginPath(i=1,q=t*99&124);i-=1/32;c.style.filter='invert(')x.lineTo(600+i*720,99+q*7-(x+i).charCodeAt(i*q*q%19)*S(i*3)**19);x.stroke()

Jul 27 2017 9:31 PM UTC

}// 140/140

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JOY-DIVISION

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u/p01

Best seen in fullscreen while listening to JOY DIVISION by UNKNOWN PLEASURES
u/p01

for the code golfers around, I got this one down ~112bytes without the colors and less interesting noise
u/raurir

Well, I guess it's the thought that counts
u/p01

Thanks for bringing up JOY DIVISION on Slack - https://www.dwitter.net/d/2108 is super well done as well.
u/magna

Is there a Slack for Dwitter?
u/FireFly

There is a general JS golf slack with a lot of dweeters in it at jsgolf.club
u/sigveseb

kinda reminds me of life on the grid from solskogen this year: http://www.pouet.net/prod.php?which=70987
u/rodrigo.siqueira

#joydivision Here is the original Ph.D. dissertation page where this were published: https://twitter.com/ChristiansenJen/status/1…

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