Dwitter - javascript demos in 140 characters

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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jellyedwards

function u(t) {

c.width|=v=t/3
w=v|0
f=v-w
for(i=9;i--;x.fillRect(500+i*100,600,50+b*5,200+b*40))b=S(f*3.14)**.5*(i==w%9),x.filter=`blur(${(1-b)*20}px`

Jul 13 2020 6:15 AM UTC

}// 135/140

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The #default suspects

u/Xen

nice!

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directmusic

remix of d/19413 by u/directmusic

function u(t) {

h=(t*300),w=h/216,d='#55CDFC',e='#F7A8B8',f='#fff',c=d
if(w>1)
c=e
if(w>2)
c=f
if(w>3)
c=e
if(w>4)
c=d
x.fillStyle=c
x.fillRect(0,h,1920,9)

Jul 14 2020 4:54 AM UTC

}// 139/140

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trans rights... this code is stupid but it was fun

u/joeytwiddle

#flag

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danny@hille.dk

remix of d/19420 by u/rodrigo.siqueira

function u(t) {

x.fillRect(0,0,2e3,2e3)
for(i=9e3;i--;x.clearRect(150*X+980,S(i-t)*222-Y*60+540,9,6))
X=(U=S(i*i+t)*2+3)*S(i*i)+S(t*7-i),Y=U*C(i+S(X)+C(t))

Jul 14 2020 2:48 PM UTC

}// 139/140

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rodrigo.siqueira - "seaceature"

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danny@hille.dk

remix of d/13643 by u/magna

function u(t) {

with(x){for(q=c.width=255,i=25;i--;beginPath(fill(arc(S(t/9+i)*99+120,C(t/i)*80+80,25+S(i)*5,0,7))))fillStyle=R(q/i,q-C(t/i)*q-q,i*i,.4)}

Jul 13 2020 2:30 PM UTC

}// 138/140

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Just messing around

u/joeytwiddle

I see a sunrise and sunset on a planet with 3 no 4 no 5 moons, oh and also the sea is boiling.
u/donbright

so good

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Irratix

function u(t) {

n=0n
for(a of"궢♅꿭ឫ䔓璀냽䕇퉶觙ᦙ쭼薈᥯홈莉劼ਝ쏒醌ᜧ䄟諕⑘ر牠棌癐勱铤瑉盞珠⩧郿剹✠孂쭠▓䖨尷통˨葉譀꽊ጼ햚暣툉鴓ퟫࠏ䐿충긺혲殻걹Ʋ탭껅姨잛귭댢퓵釵쮦㱳櫶嶣謕낥⍢⇒")n=n*55394n+BigInt(a.charCodeAt())
throw(`3.`+n)

Jul 14 2020 2:11 PM UTC

}// 140/140

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How many digits of pi can you store in a dweet? Here's 367 (including leading 3

u/katkip

▓ nice ▓ unicode ▓ characters ▓ there
u/Irratix

Haha, you kinda run out of ASCII when you store a number in base 55394 :P

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Billedluh

function u(t) {

x.font=`23em arial`
w=3000
x.fillRect(0,0,w,w)
for(i=0;i<4;i++)
{x.fillText('one two 🥪',20*C(t-i), 15*(S(t)-5)*i+w/4,w)
x.fillStyle=R(65*i)}

Jul 15 2020 4:20 AM UTC

}// 140/140

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Sandwich On Three

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cspray

function u(t) {

w=1920
h=1080
o=C(t/9)*5
f=255
x.fillStyle=R(f*S(t*10)**4,f*S(t*9.97)**4,f*S(t*9.91)**4)
x.fillRect(S(t*(93.2+o))**3*w,S(t*(93+o))**3*h,w,h)

Jul 14 2020 6:20 PM UTC

}// 140/140

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coffee shopper

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taupelink

remix of d/18946 by u/taupelink

function u(t) {

f=(x,y)=>T(x)<C(y)?f(x-1,y+i%7):T(y+S(x)-i%9);for(i=1e3;i--;)X=(r=Math.random)()*45,Y=r()*35,x.fillRect(X*X,Y*Y,f(X/6,Y/3)>1,f(Y%9,X%7)>1)

Jul 15 2020 3:02 AM UTC

}// 138/140

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d/19427

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Cyrlop

function u(t) {

x.fillStyle=R(0);x.fillRect(0,0,1920,1080)
for(i=0;i<18;i++)
for(j=0;j<220;j++){x.fillStyle=R(C(t)*255,j)
x.fillRect(j*9,S(t)*30*i+540,5,5)}

Jul 14 2020 10:07 PM UTC

}// 140/140

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Couleur pleutre

u/Xen

nice!

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ntsutae

function u(t) {

t/=96
for(c.width=X=96;--X;)for(Y=54;k=S((X*X-Y*Y)/15e5),--Y;)
(((k+C(Y+t))*5e2|0)%33)*(((k+C(X+t))*5e2|0)%33)||x.fillRect(X,Y,1,1)

Jul 12 2020 8:38 PM UTC

}// 131/140

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Crossing

u/ntsutae

inspired by https://www.dwitter.net/d/18497