Dweets awesomed by u/skeletonNatte

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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ersagun

function u(t) {

w=c.width=500
for(i=98;i--;)for(j=55;A=i-49,B=j-28,j--;)x.fillStyle=R((A*A+(B-S(t*2)*20)**2)*(B*B+(A-C(t)*40)**2)/w),x.fillRect(5*i,5*j,5,5)

Oct 21 2018 2:26 PM UTC

}// 140/140

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@veubeke helped trim 2 characters.

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pavel

remix of d/10485 by u/joeytwiddle

function u(t) {

for(z=42;j=z-->>1;x.fillRect(960+S(k)*15-w/2,540+C(k)*15+w/2-r,w,2*r-w))k=7*t-j/2,x.fillStyle=`hsl(${15*k},33%,${7*j}%)`,r=50*j,w=r*(.5+z%2)

Oct 20 2018 8:43 PM UTC

}// 140/140

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Fixed the plus shape in the back and added color cycling

u/pavel

Check it out in fullscreen

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akx

function u(t) {

for(c.width=i=500,x.font="300px sans";i--;)with(x)save(),beginPath(),rect(0,i,1e4,1),clip(),fillText("👻",99+30*S(.02*i+5*t),270),restore()

Oct 20 2018 12:40 PM UTC

}// 139/140

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spooky!!!

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yonatan

function u(t) {

w=c.width=64
h=40
for(i=5e3;i--;)i>6?x.fillRect(i&63,(i>>6)+h,s=S(i**4),s):x.drawImage(c,0,h+t%h,h,w,0,0,z=2**i*64,z,x.globalAlpha=i**.5/9)

Oct 19 2018 5:23 AM UTC

}// 139/140

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Value #noise with #fbm

u/yonatan

some cross-browser issues. better on chrome.
u/iverjo

#clouds
u/aleamb

wow! superb and very smart!

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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

Show more comments…
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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Agnes

function u(t) {

for(c.width|=i=5;i--;x.fillText([..."🤠🤙👟👟🖐️"][i],15*S(a=i/.8),-15*C(a)))x.setTransform(A=20*C(b=S(t*(i+.25))/3),B=20*S(b),-B,A,960,540)

Oct 17 2018 12:15 PM UTC

}// 135/140

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Howdy! I'm a cool cowboy!

u/Agnes

Feel free to remix this with your own head, hand and foot emojis, and change the value of b to make them rotate at different speeds.
u/magna

LOL
u/iverjo

:P

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ms.roboto

function u(t) {

w=1920;h=1080;if(T.call||T<h){S.call&&(S=Array(w).fill(0),S[w/2]=1,T=0);S=S.map((_,j)=>(n=S[j-1]^S[j+1],n&&x.fillRect(j,T,2,2),n));T++}

Oct 15 2018 6:24 PM UTC

}// 135/140

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Rule 90

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chatmasta

remix of d/10400 by u/chatmasta

function u(t) {

for(c.width^=0,i=100;0<i;i-=5)with(x)beginPath(),arc(960,540,i*(3-S(t))%540,i/20,i/9*S(t),0),lineWidth=i/5+t-S(t),stroke();

Oct 13 2018 9:44 PM UTC

}// 123/140

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u/Shirou14

So this is how Ubisoft made their logo...

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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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jylikangas

remix of d/7121 by u/jylikangas

function u(t) {

for(c.width=-1,Y=w=89;Y--;x[f](Y*9+w*S(t)-w,0,9,60+S(Y^w)*20))x[f='fillRect'](w-S(v=Y/w+t)*Y,w+799/Y,v*w&8?2e3/Y:x.fillStyle=R(Y*3,0,w),w/Y)

Oct 8 2018 8:29 PM UTC

}// 140/140

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OutRun: Neon City edition

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u/BalintCsala

#retro
u/katkip

#d3
u/f8f82804

#outrun
u/iverjo

Inspiring!
u/iverjo

#neon
u/donbright

!!!!!!!!
u/lionleaf

Incredible! #city #track #train
u/alien

wow
u/magna

Musical edition: https://dweetplayer.net/demo/v1/*/10287@190/…
u/rodrigo.siqueira

Similar to Atari's Enduro game with city skyline

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