Dweets awesomed by u/sawaxon

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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veubeke

remix of d/5025 by u/koloskus

function u(t) {

F=(c,a,b)=>x.fillRect(a,b||500,1920-a*2,2,x.fillStyle=c||'#eef')||F
F(0,0,1)('#6f6',0)('#000',800)(t*2&1,940)
x.drawImage(c,-5,2,1930,1080)

Dec 31 2017 10:14 PM UTC

}// 139/140

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u/iverjo

Nice!
u/sigveseb

The DOF blur really adds another dimension to this!
u/lionleaf

#road

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ben

remix of d/4509 by u/ben

function u(t) {

v=(a,b,g,r)=>{for(i=0;i++<r;)x.fillRect(a+=S(g),b-=C(g),r/9,2)
r>1?v(a,b,g+=o,r*=.7)&v(a,b,g+=5,r):0}
o=S(t)/9+1
c.width=500
v(250,280,0,80)

Dec 29 2017 1:23 PM UTC

}// 140/140

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blowing in the fractal wind

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u/sigveseb

Sweet!
u/Xen

very nice!
u/Bendoman

Fabulous.
u/lionleaf

Amazing!
u/lynnlangit

love, love, love it!
u/nystrand

elegant!
u/iverjo

#recursive
u/lionleaf

#fractals
u/lionleaf

#fractal . hmm, maybe not plural
u/vain

so beautiful - amazing work!

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ben

function u(t) {

function v(a,b,g,r){if(r>1){x.fillRect(a+=r*S(g),b-=r*C(g),2,2)
v(a,b,g-1+C(t),r*=.7)
v(a,b,g+.5+S(t),r)}}c.width=500
v(250,270,0,80)

Dec 28 2017 9:28 PM UTC

}// 133/140

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u/Xen

LOVE IT!
u/ben

trying to make a swaying tree but requires too many characters to draw the branches
u/Xen

join the chat and show your code... :-)
u/sigveseb

Very good!
u/itsjustmustafa

recursive functions in under 140, love it!
u/Bendoman

Best thing on here by far.
u/FrankMoren27

awesome
u/iverjo

#recursive
u/lionleaf

#fractals
u/vain

incredible

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nystrand

function u(t) {

for(i=w=3e3,a=b=g=333*T(t%9/7);j=(i^a*a)%4,i--;x.fillRect(a+=g+C(j*5+t)*g-a/2-w+g,b+=g+S(j*9+t)*g-b/2-w,s,s),w=2)x.fillStyle=R(s=w*9,w,s,.1)

Dec 28 2017 2:50 PM UTC

}// 140/140

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u/sigveseb

This one is fantastic! Good job indeed
u/Bendoman

Brilliant!
u/Xen

very very impressive!
u/magna

HOW ON EARTH
u/nic

MIND:=BLOWN
u/lowpoly

Gawd, I learnt a lot today
u/Citiral

Since when does Javascript support black magic?
u/sigveseb

Needs more upvotes!
u/doof

this was such a delight to unpack :)
u/Lazy1337

wow
u/aleamb

amazing
u/iverjo

I'm awestruck
u/xem

unbelievable
u/trapkid

lol
u/aleamb

epic! one of the greatest dwitter
u/ThreeNPlusOne

sierpinski triangle :D
u/xem

It'd be nice to have a blog post explaining it :) (please?)
u/trupples

I didn't look much into it but it might have to do with a thing I read about once where if you have a point that "walks" half the distance towards a random corner of a triangle you'll end up drawing a sierpinski triangle sorta like you can see in https://www.dwitter.net/d/5097
u/trupples

And according to http://distrustsimplicity.net/articles/sierp… if you were to use 4 points instead of 3 you'd get a tetrahedron like in this dweet. Fascinating stuff
u/stiaje

#witchcraft
u/lionleaf

#top_of_the_year
u/Scaledish

wow
u/Tekmap

👏👏👏👏👏
u/vain

that's not from this world! incredible code / 3d fx and blur
u/rodrigo.siqueira

3D flying #sierpinski pyramid #fractal

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Moosething

function u(t) {

v=c.width|=m=x=>x>0?x*z:0;z=240;for(i=0;i<7;i++) x.arc(p=i==0?z-m(V=S(t*5)):i==6?v-z+m(-V):z+i*z,3*z,z/2,0,7),x.rect(p,0,7,3*z);x.fill()

Dec 27 2017 8:19 PM UTC

}// 136/140

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u/sigveseb

Newtons cradle :D
u/katkip

x.arc(p=i==0?z-m(V=C(t*2.812)):i==6?v-z+m(-V):z+i*z,3*z,z/2,0,7) for real life speed

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mmastrac

function u(t) {

for(i=w=c.width|=0,x.fillStyle=`hsl(${Math.cos(t)*30},80%,50%)`;i--;)x.fillRect(i*4%w,Math.sin(i+t/5)*2100,7,2e3,0);

Oct 22 2017 2:46 AM UTC

}// 116/140

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hypothete

function u(t) {

;x.font='99px c';x.fillText('💲',190+C(t*5)*200,350*S(t*3)+580);x.drawImage(c,9,0);x.fillText('💸',0,Math.random()*1080);

May 30 2017 6:36 AM UTC

}// 119/140

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New_Core

function u(t) {

w=c.width=t%4*800;x.textAlign='center';x.font=6+'cm a';x.fillText("It|is|not|the|best|way|to|zoom|text".split('|')[0|t/4%9],w/2,70+t%4*210)

May 26 2017 8:26 AM UTC

}// 139/140

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u/MrM@_S

split with 0's
u/sigveseb

.split| saves 2 bytes!
u/magna

@sigveseb OMG what kind of a syntax is that?! Oh, the things one learns every day...
u/recursive

https://developer.mozilla.org/en-US/docs/Web…

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magna

function u(t) {

c.width|=0
x.lineCap='round'
for(x.lineWidth=i=45;i--;x.stroke())x.beginPath(),x.arc(960,540,50+(j=i%10)*50,a=S(t+i)*3,a+Math.abs(C(t*5)))

Apr 28 2017 5:28 PM UTC

}// 138/140

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vvarr

function u(t) {

i=q=c.width=2e3
for(;i--;x.fillRect(o*C(a)*z+q/2,(r*S(b)+190)*z,z*=z/2,z))z=q/((o=2e2+(r=25+9*C(6*S(a=i/310-t)))*C(b=i%50/8))*S(a+=2*t)+710)

Apr 26 2017 12:06 AM UTC

}// 140/140

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u/donbright

wwooooahhh!!!
u/rileyjshaw

for(i=q=c.width|=0;i--;... can save a few bytes :)
u/Kalanchoe

oh wow! this is mind-blowing
u/sigveseb

Very cool stuff
u/vvarr

Thanks a lot guys, my first dweet! ^^

dwitter.net | sawaxon (8048)