Dweets awesomed by u/DirtyDan

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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Current theme challenge: #ScaryMovies

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tomxor

function u(t) {

x.fillRect(0,0,i=2e3,i)
for(t+=160;p=i&1,m=t/C(t/i)+p*(t/2+i%t),i--;)x.clearRect(
960+m*S(n=t/9+i*i)*C(!p*i/t),
540+m*C(n+p*2),s=3-C(n)*3,s)

Oct 17 2018 8:45 PM UTC

}// 140/140

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#space #planet #saturn

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u/joeytwiddle

Wow, beautiful! I am blown away. #dots #lighting #shading
u/lionleaf

Wow! That's amazing
u/magna

WOW!
u/sigveseb

no way!
u/yonatan

beautiful!
u/jellyedwards

That's incredible, well done!
u/jellyedwards

If you change this bit too use t it's like Saturn uses its ring as a hula hoop: 540+m*C(n+p*t)
u/katkip

woow... gj bro
u/keithclark

Nice!!!
u/aleamb

wow! superb!
u/iverjo

That's pretty rad
u/rnbw

my mind is officially boggled o_o
u/Purpzie

This is absolutely beautiful.
u/tomxor

Thanks for all the kind comments :) for those interested: the key is in the parity bit p=i&1 this allowed me to combine two different but similar functions by multiplying parts in an out on each iteration. You should be able to pull the two apart into something more intelligible.
u/magna

@tomxor are you on Twitter as @tomxor by any chance?
u/tomxor

I am not, nor am I on any other social network... unless you consider Github one :P but a different pseudonym..
u/jylikangas

Beautiful dweet!
u/aleamb

The Cosmos is all that is, or ever was, or ever will be. The contemplation of the this Cosmos stir us.
u/Renaud___

so Beautiful
u/ivylab

This is absolute badass
u/vain

OMG! This part blew me away!
u/jdspugh

Well done!

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yonatan

remix of d/10334 by u/yonatan

function u(t) {

c.width|=c.style.background='radial-gradient(tan,#000'
for(k=4e3;k--;x.fillRect(960+(k%9/4+S(t)-1)*20*$,640+k/9,2.5*$,k>9?.5:-200))$=20+k/81

Oct 12 2018 5:32 PM UTC

}// 140/140

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#default

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u/donbright

WWWWWWWWWWOAH
u/prplz

this is the one
u/iverjo

#shadows
u/sigveseb

YES! SO GOOD!
u/sigveseb

and it's a #default too! :P
u/loni_art

yooooooooooooooooooo!
u/katkip

lol nice
u/aleamb

great!
u/veubeke

<3
u/katkip

64 awesomes! 29/11/2019
u/dull_pixel

#raytracing
u/vain

amazing! Like the added gradient and shadow fx. ++++

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Quant1um

function u(t) {

for(i=c.width=920;z=i/(s=50),i>0;i-=9){for(F=k=1,R=6;k<(h=t<<1);k++)R+=[0,1,0,-1][k%4]*(F*=z/k)*(h-1-k?1:t%1);x.lineTo(i,R*s)}x.stroke()

Sep 25 2018 11:28 AM UTC

}// 136/140

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Sine created using Taylor series

u/Quant1um

#math

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yonatan

function u(t) {

for(i=1e3;t<3&&i--;x.fillRect(960+S(i)*q,(1200/t)+C(i)*q,9,9))q=(2+S(i*6)**3)*t**4.5,x.fillStyle=R(a=t**1.6*55,a*1.5,t*t*15)

Aug 28 2018 11:00 PM UTC

}// 124/140

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u/joeytwiddle

Excellent! Angel's trumpet. #flower #organic
u/yonatan

Thanks! I was wondering what's that tree's name was
u/katkip

This is so beautiful
u/magna

OMFG
u/aleamb

OH MY!!!!
u/DataMeta

#wizardry
u/13thptr

#witchcraft

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Xen

remix of d/8894 by u/acorv

function u(t) {

for(i=13;i--;x.beginPath())x.fillStyle=`hsl(${t*99+i*9},79%,${i*5-6}%)`,x.fill(x.arc(960+S(5*t+i/7)*200,540+C(4*t+i/4)*200,i*99,0,9))

Jul 19 2018 4:51 PM UTC

}// 133/140

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tobias

function u(t) {

r=Math.random
x.fillStyle=`hsl(${r()*360},90%,77%)`
x.filter="blur(1px)"
x.drawImage(c,0,0)
x.filter="none"
x.fillRect(r()*2e3,r()*1e3,1,1)

Jul 16 2018 5:35 PM UTC

}// 139/140

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u/robbyg

120 chars for more room to play: r=Math.random;with(x)fillStyle=hsl(${r()*360},90%,77%,filter='blur(1px',fillRect(r()*2e3,r()*1e3,1,1),drawImage(c,0,0)
u/micahcowan

(Fixed formatting) r=Math.random;with(x)fillStyle=`hsl(${r()*360},90%,77%`,filter='blur(1px',fillRect(r()*2e3,r()*1e3,1,1),drawImage(c,0,0)
u/elochimsiemasz

Duuude

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DataMeta

remix of d/8404 by u/DataMeta

function u(t) {

for(c.width|=i=256;i--;)
x.fillRect(960+Math.PI*i*C(t+i*.989),512+S(t-i)*i*1.941,i/9,i/9)

Jul 10 2018 3:04 AM UTC

}// 89/140

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Golfed and modified

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DataMeta

remix of d/8494 by u/DataMeta

function u(t) {

c.style.background=R();for(c.width|=i=33;i--;)for(j=19;j--;)
x.fillStyle=R(255-j*8,0,i*7+j*9),x.fillRect(i*60,j*60,121*C(t-j),121*C(t-i))

Jul 10 2018 12:45 AM UTC

}// 137/140

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Xen

remix of d/7687 by u/Agnes

function u(t) {

with(x)for(c.width|=i=29;i--;)for(j=13;j--;beginPath(lineWidth=j*9),arc(960,540,45*i,o=i*t+j,t%9/j+o),strokeStyle=R(t%19*j,i*j,i*7))stroke()

Jul 9 2018 7:23 PM UTC

}// 140/140

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Shoutz 2 Agnes

u/magna

Wild!
u/joeytwiddle

Oooh. Nice! :D
u/joeytwiddle

#spiral

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Xen

remix of d/8829 by u/UnacceptableUse

function u(t) {

for(x.beginPath(c.width=-1,i=299);i--;x.arc(150,85,t*t%i,i-t,t));x.stroke()

Jul 8 2018 6:14 PM UTC

}// 75/140

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Reality-Traverse

u/magna

Nice!
u/DataMeta

Cool! Just keeps on giving
u/micahcowan

#Rlyeh

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