Dweets awesomed by u/MiniGirlGeek

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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Xen

remix of d/5282 by u/travistx

function u(t) {

x.globalAlpha=.1
x.lineWidth=99
x.strokeStyle=`hsl(${(Z=t*t/8)*7},100%,50%)`
x.beginPath()
x.fill(x.arc(960,540,Z%2*600,Z-1,Z+1))
x.stroke()

Jan 2 2018 10:59 PM UTC

}// 140/140

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little remix

u/crimbles

Trippy

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hoplite

function u(t) {

i=c.width=96;for(;i--;)for(k=54;k--;)A=t=>(S(i/9+t)*S(k/7)+S(k/9+t)*S(i/7-t))*255,x.fillStyle=R(A(t),A(t+.2),A(t+.4)),x.fillRect(i,k,1,1)

Jan 2 2018 10:57 PM UTC

}// 137/140

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Show more comments…
u/Xen

very nice style
u/sigveseb

Quite excellent, very nice
u/joeytwiddle

Lush
u/magna

Wow! Nice!
u/crimbles

That's so nice
u/Chipnstein

Woah... new dosktop background
u/codeslaw

Yes
u/joeytwiddle

#plasma #metaballs #color
u/vain

nice plasma like fx

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Xen

remix of d/3167 by u/Xen

function u(t) {

for(i=c.width|=0;i--;x.fillRect(960+S(p=.9*i+S(t)*3e3/i*S(t))*(d=i*i/1e3)-i*C(t),540+C(p)*d-i*S(t),s,s))x.fillStyle=R(Z=t*i%255,s=i/5,255-Z)

Jan 2 2018 9:31 PM UTC

}// 140/140

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u/jbl

WOW! 💯
u/lionleaf

Testing new links u/Xen
u/Xen

Yay! d/5309
u/donbright

i would have said this was impossible if i didnt see it
u/lionleaf

#alien #needle #color #floppy #rotation
u/sybarita

Yo what ... this is amazing
u/mrperson59

Is this what sleeping beauty pricked her finger on?

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MiniGirlGeek

function u(t) {

p=Math.PI
c.width=1920
for(i=0;i<500;i++){
r=(50*C(3*t+o))+100;
var o=i*((2*p)/500);
x.fillRect(910+300*C(o), 540+300*S(o), r, r)}

Jan 1 2018 1:08 AM UTC

}// 130/140

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ellisk1

remix of d/5048 by u/ellisk1

function u(t) {

c.width|=0;for(i=200;i--;){w=(110-i/2)**2;q=5*t+i*C(i);x.fillStyle=R(0,0,0,1+.4*C(q));x.fillRect(1e3+w*S(q)/30+S(t+i/9)*20,5*i,9+9*C(i),25)}

Jan 1 2018 12:15 AM UTC

}// 140/140

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u/joeytwiddle

Tornado!

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trupples

function u(t) {

t||([c.width,c.height,c.onmousemove]=[innerWidth,innerHeight,e=>(x.fillStyle=[R(),'#fff'][+e.ctrlKey],x.fillRect(e.x,e.y,9,9))])

Dec 31 2017 10:28 PM UTC

}// 128/140

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Draw with the mouse; hold CTRL to erase

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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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Show more comments…
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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