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.

Try the new frontend: beta.dwitter.net
Current theme challenge: #Food

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f8f82804

function u(t) {

x.globalAlpha=.1;x.drawImage(c,192,108,1536,864,0,0,1920,1080);x.font='16em 🐔';x.fillText([...'🥚🐣🐔'][~~(t/3)%3],864+80*S(t),540+50*C(t))

Aug 23 2018 7:26 PM UTC

}// 136/140

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atsn

function u(t) {

c.width^=0
for(i=5000;i--;x.fillStyle=`hsl(${t*40},50%,${(1-(i%2)+i/1e4)*100}%)`)x.fillRect(960+C(i+t*3)/i*1e6,540+(S(i*2)+C(t*3))*i/10,3,3)

Aug 27 2018 6:58 AM UTC

}// 140/140

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f8f82804

remix of d/9402 by u/katkip

function u(t) {

eval(unescape(escape`硛猽❦楬汓瑹汥❝㵒⠩㭸学㴧晩汬剥捴❝⠵㔪⡴┳㙼〩ⰹ〰⬴〪⡴┲簰⤬ㄶⰱ㈩㭸孳崽✣挰戰㤰〲✻硛晝⠰ⰷ〰Ɒ㴲攳Ɒ⤻景爨椽瀻椭ⴻ硛獝㵠桳氨⑻瀫椥㄰素㤰┵〥怩硛晝⡩ⱃ⡩⤪匨椫琩⨷〰ⰲ㔬㘩`.replace(/u(..)/g,"$1%")))

Aug 24 2018 9:13 PM UTC

}// 136/140

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#beach #waves #footsteps #compressed

u/f8f82804

x[s='fillStyle']=R();x[f='fillRect'](55*(t%36|0),900+40*(t%2|0),16,12);x[s]='#c0b09002';x[f](0,700,p=2e3,p);for(i=p;i--;x[s]=hsl(${p+i%10} 90%50%)x[f](i,C(i)*S(i+t)*700,25,6)
u/katkip

the footsteps are wierd

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katkip

remix of d/9396 by u/f8f82804

function u(t) {

c.width=400;y=3-C(t);with(x)font=4/y+'em a',fillText("girls",200+400*S(t)/y,99+99*C(t)/y),font='2em a',fillText("me",188,99)

Aug 25 2018 1:00 PM UTC

}// 124/140

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They always orbit me (☞ﾟヮﾟ)☞

u/Galaxtone

Woops looks like you made a typo:
u/Galaxtone

I believe you meant to say "kats"

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katkip

remix of d/5527 by u/coderkid

function u(t) {

s=frame%2?0:255;x.fillStyle=R(s/t,s/t,s);if(!t)x.translate(c.width/2,c.height/2);for(i=0;i<78;i++){x.fillRect(i*t,0,9,9);x.rotate(s*s);}

Aug 25 2018 12:35 PM UTC

}// 136/140

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katkip

remix of d/9426 by u/katkip

function u(t) {

if(!t){l=0;r=-1}while(l<22){x.fillStyle=`hsl(${l*l+C(t*2*l/25*r/25)*350+r*r},99%,50%)`;x.fillRect(++r*50,l*50,50,50);if(r>38){l++;r=-1}}l=0

Aug 25 2018 12:20 PM UTC

}// 139/140

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Distortion

u/Xen

nice style
u/katkip

thx bro

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f8f82804

function u(t) {

π=Math.PI;for(i=99;i--;x.fillRect(960+500*S(π*t-i/77),540+500*C(2*t+i/64),32,32))x.fillStyle=`hsl(${t+(i+t)**(S(t/2)-.7)}turn ${i/3+60}%50%`

Aug 27 2018 12:50 AM UTC

}// 140/140

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katkip

function u(t) {

p=t*2;a=960;b=535;c.width=a*2
for(i=0;i<a;i+=20)for(j=0;j<b;j+=20)x.fillRect(a+b*C(i/a*p+C(t))*C(j/b*p),b+b*S(j+b+p)*C(i/a*p+t),9,9);FPS=120

Aug 23 2018 12:06 PM UTC

}// 140/140

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f8f82804

remix of d/9340 by u/f8f82804

function u(t) {

c.width=400;y=3-C(t);with(x)font=4/y+'em a',fillText('🌕',200+400*S(t)/y,99+99*C(t)/y),font='2em a',fillText([...'🌍🌎🌏'][t%3|0],188,99)

Aug 23 2018 8:51 PM UTC

}// 133/140

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Fixed the lighting! #perspective #earth #moon #orbit #youarethesun

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katkip

remix of d/9439 by u/katkip

function u(t) {

if(!t){l=0;r=-1}while(l<108){x.fillStyle=`hsl(${C(r*r-t)<S(l*l+t)?50:25},99%,50%)`;x.fillRect(++r*10,l*10,10,10);if(r>190){l++;r=-1}}l=0

Aug 25 2018 7:59 PM UTC

}// 136/140

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VIsualizing C(r*r-t)<S(l*l+t)