Dweets awesomed by u/loni_art

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: #Food

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rodrigo.siqueira

remix of d/11131 by u/rodrigo.siqueira

function u(t) {

c.width|=N=890;x.font='3em"'
JSON.stringify(Object.keys(this)).split`"`.some((_,i)=>x.fillText(_,S(t+i)*280+N,N+i*9-Math.abs(S(t/40)*5e3)))

Nov 23 2018 6:13 PM UTC

}// 139/140

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DNA CODE

u/katkip

that's smart
u/lionleaf

#dna

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pavel

function u(t) {

with(x)for(j=9;--j;)for(i=2<<j,f=6.28/i;i--;fill())for(beginPath(k=2);k--;fillStyle=i%2?'#fff':R())arc(960,540,k*190*j**.5,a=(i+t%2)*f,a+f)

Nov 23 2018 4:55 AM UTC

}// 139/140

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Black and white spinners #beesandbombs

u/katkip

1.5 dimension fidget spinner
u/BackendForth

Looks like a rotary encoder.

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pavel

remix of d/9830 by u/joeytwiddle

function u(t) {

for(c.width|=j=22,t%=2;--j;)for(i=8;i--;x.arc(960,540,i&&j>2*p&&70*(j-2*p),a=(i+p)*355/339,a))p=1/(1+2**(j+6-16*t));x.fill('evenodd')

Nov 23 2018 3:16 AM UTC

}// 133/140

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u/joeytwiddle

Golfed with plenty to spare. Fantastic!
u/sigveseb

Oh my
u/iverjo

Yes!
u/pavel

#uncompressed

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ellisk1

function u(t) {

q=t+20;for(c.width=i=2e3;i--;)x.fillRect(1e3+500*S(a=(q-=.01)+t/9),1280-210*Math.abs(S(q*3.75))+34*(t-q),w=15+5*C(a),w)

Nov 21 2018 6:43 PM UTC

}// 119/140

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Bouncer #beesandbombs

u/aleamb

fucking awesome!

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cantelope

function u(t) {

eval(unescape(escape`儽焽㹱┱〭㐮㔻景爨椽眽⡣⹷楤瑨簽〩⼲㭩ⴭ㭸⹦楬汒散琨眫儨椩⼨娽⡧⵴┱⤪㠫㠩⩷⴨猽匨⡧⭴簰⤫琩⩷⽚⤯㈬㔴〫儨椯㄰簰⤯娪眭猯㈬猬猩⥸⹦楬汓瑹汥㵠桳污⠤笴㌲⨨朽椯㄰ぼ〩⬷㔪⡴簰⥽ⰹ㤥ⰵ〥Ⱞ㍠`.replace(/u(..)/g,"$1%")))

Nov 20 2018 11:20 PM UTC

}// 140/140

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u/katkip

Oh wow thats cool. #infinite

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jylikangas

remix of d/11093 by u/jylikangas

function u(t) {

eval(unescape(escape`景爨挮睩摴栽圽椽㔱㈬琪㵷㴹㤻ⴭ椻硛晝⠨吽㈵㘫匨琭⴯眩⩩⤭稬娽眫稬稪㈬稯㴹⤬琦ㄶ☦硛䙝⡔ⱚⱺⱺ⤩稽㉥㌯椬硛䘽❣汥慲剥捴❝⡩⨪㌥ㅥ㌭启㐬椬ⅸ学㴧晩汬剥捴❝⠡硛晝⡩ⰰⰱⰱ㄰⤬眫稬圬匨琯㐩⤬ㄩ`.replace(/u(..)/g,"$1%")))

Nov 20 2018 7:20 PM UTC

}// 140/140

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Highway At Night: Dwitter edition

u/jylikangas

https://js1k.com/2014-dragons/demo/1951
u/cantelope

hawt
u/iverjo

Holy smokes!
u/Joachim

#road #night
u/jdspugh

Wow

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jylikangas

function u(t) {

for(c.width=W=i=512,t*=w=99;--i;x[f](225-z+(t--&2?z*2:t&9?0:z)+S(t/w)*i,w+z,z/=7,z))z=2e3/i,x[f='fillRect'](!x[f](i,0,S(t/W),w),w+z/32,W,.5)

Nov 20 2018 4:55 PM UTC

}// 140/140

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I drove all night (and day)

u/cantelope

amazing! #road #synthwave
u/pavel

The backdrop is glitched on mobile Safari.
u/jylikangas

137b: for(c.width=W=i=512,t*=w=99;--i;x[f](225+(t--&2?z:t&9?-z:0)+S(t/w)*i,w+z,z/=7,z))z=2e3/i,x[f='fillRect'](!x[f](i,0,S(t/W),w),w+z/32,W,.5)
u/iverjo

Wow!
u/taupelink

#scene

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pavel

function u(t) {

with(x)fillStyle=R(0,0,0,.01),fillRect(0,0,w=2e3,w),setTransform(a=6*S(A=t**9),b=6*C(A),-b,a,A%w,-99),clearRect(0,0,3,w),strokeRect(0,0,3,w)

Nov 20 2018 6:31 AM UTC

}// 140/140

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Strings in yr face #beesandbombs

u/katkip

#web

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pavel

function u(t) {

with(x)for(i=c.width=300;i--;stroke())for(beginPath(k=6);k--;arc(150,84,84>>k,a=(i%16+b*k)*.39,a))strokeStyle=R(0,0,b=1-(i>>4)+t%1,1-b**2/4)

Nov 20 2018 4:03 AM UTC

}// 140/140

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Occult Star (#beesandbombs inspired)

u/erin

if shepards tone was a shape

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rnbw

function u(t) {

c.width^=0;x.fillStyle='#ea23';for(i=0;i++<25;){x.setTransform(S(t+i),C(t+i),0.2,0.2,960,500);x.rotate(2);x.fillRect(99,90,5e3,5e3)}

Nov 19 2018 5:10 PM UTC

}// 132/140

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it's like staring at the sun, but not nearly as blinding

u/rnbw

(this was me just tinkering around with setTransform - it is SO powerful)
u/crunch

wack
u/crunch

wack
u/katkip

cool
u/joeytwiddle

#sun

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