Dweets awesomed by u/richev

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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robbyg

remix of d/13594 by u/robbyg

function u(t) {

c.width|=0
p=1.57
with(x)for(h=170,w=120;h--;)v=~~(h/17),beginPath(),moveTo(H=h%17*w,V=v*w),fill(arc(H,V,60,a=t+h%2*p+v%2*p*2,p*3+a))

May 2 2019 5:52 PM UTC

}// 133/140

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Synchronized pacpersons.

u/robbyg

Inspired by https://twitter.com/joey_aronson/status/1112…
u/katkip

no nazi lmao
u/Xen

love it!

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prplz

remix of d/13588 by u/katkip

function u(t) {

if(!t)for(c=[i=99];i--;T.valueOf=Math.random)c.push([T*2e3,T*1e3,T*6]);c.map(q=>x.fillRect(q[0]+=C(q[2]+=T-T)*6,q[1]+=S(q[2])*6,9,9))

May 2 2019 10:12 AM UTC

}// 133/140

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pavel

remix of d/13538 by u/vinca

function u(t) {

for(c.width=73,i=3e3;X=i--/41;x.fillRect(X,Y,1,2))h=Math.hypot,x.fillStyle=R(4e3/h(o=X-36,Y=i%41)+(b=2e3/h(o-25*S(5*t),20+9*T(4*t)-Y)),0,b)

May 1 2019 7:06 PM UTC

}// 139/140

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u/vinca

Amazing! 182->139bytes

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Jezza

remix of d/13541 by u/username

function u(t) {

c.width|=0
x.font=`16em'`
for(_=3;_--;)for($=8;$--;)x.fillText(String.fromCodePoint(128e3+_+$+t^0),$*(w=300)-(t*w)%w,w+_*w)

May 1 2019 12:24 AM UTC

}// 124/140

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"What sort of menagerie do you imagine I'm imagining?" - David Mitchell

u/katkip

Noah
u/joeytwiddle

#emoji #animals

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DirtyDan

function u(t) {

for(c.width+=i=0;i++<4;)for(j=0;j++<4;){x.arc(480+180*j,90+180*i,90+90*(1+S(t*(i+j))),0,6.29);x.closePath()}x.fill("evenodd")

Apr 30 2019 9:52 PM UTC

}// 125/140

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katkip

function u(t) {

for(c.width|=i=121;i--;)for(j=64;j--;)x.fillRect(i*20+C(i/9+t*2)*80*S(j/7+t)-80,j*20+S(j/9+t*3)*80*C(i/7-t)-80,9,9)

Apr 29 2019 10:38 AM UTC

}// 115/140

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Fullscreen to see the waves better without aliasing.

u/artfarnaa

Nice work Katkip. All your stuff is awesome.
u/katkip

Thanks!

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vinca

function u(t) {

for(c.width=X=400;X--;)for(n=R=I=0;n<30&R*R+I*I<4;n++)a=R*R-I*I+X/400,b=2*R*I+(40+40*S(t/3))/200,R=a,I=b,n&&x.fillRect(400*a,200*b,9/n,9/n)

Apr 29 2019 7:49 AM UTC

}// 139/140

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u/Jezza

#getitoffme

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Jezza

function u(t) {

for(i=9,j=.1,X=960,k=Y=540;k/=2,i--;j*=-3)X+=C(t*j)*k,Y+=S(t*j)*k,x.fillRect(X,Y,1,1)

Apr 29 2019 2:38 AM UTC

}// 85/140

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#epicycles #notstrictlyepicycles

u/vinca

Beautiful and minimal code.
u/artfarnaa

Agree, well done.
u/katkip

WTF! You published a #fractal #spirograph with 5 minutes before me! I was gonna create the exact same ideea. Wow

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pavel

remix of d/13492 by u/KilledByAPixel

function u(t) {

for(c.width%=i=3600;i--;x.fillRect(535+S(t)*300+i%9*99+i/9%10*5/a,440+(i/90|0)*5-40/a,6,6))a=1/(1+7**(t-5-S(i*i)-i/500)),x.globalAlpha=a*a

Apr 27 2019 9:29 AM UTC

}// 138/140

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mr #default I don't feel so good #tribute

u/pavel

Awesome idea, I just had to #uncompress it.
u/pavel

#uncompressed
u/KilledByAPixel

Wow, better thenthe original and uncompressed. Damn you pavel.
u/katkip

#thanos is my daddy

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Jezza

remix of d/13497 by u/Jezza

function u(t) {

c.width|=0;for(Y=1188;Y-=27;){x.moveTo(0,Y);for(X=1;X<13;X++)x.lineTo(X*160+(X&1?C(2*t+Y/108)*120:0)*(X&2?1:-1),Y-(X&1?108:0));x.stroke()}

Apr 27 2019 9:20 AM UTC

}// 138/140

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Tweak. (via https://old.reddit.com/r/generative/comments…)

u/aleamb

fucking awesome!
u/Purpzie

Shaved 10 characters but it's super laggy: for(c.width|=0,i=572;Y=(0|i/13)*27,X=(572-i)%13,i--;x.stroke())x.lineTo(X*160+(X&1?C(2*t+Y/108)*120:0)*(X&2?1:-1),Y-(X&1?108:0))
u/Purpzie

Less laggy version that's 4 characters shorter instead of 10: for(c.width|=0,Y=1188;x.moveTo(0,Y),Y-=27;x.stroke())for(X=0;X++<13;)x.lineTo(X*160+(X&1?C(2*t+Y/108)*120:0)*(X&2?1:-1),Y-(X&1?108:0))

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