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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New_Core

function u(t) {

t%3>2?c.width|=0:0
x.fillText("D W I T T E R",0,8)
for(i=9;i--;)x.drawImage(c,d=t%3*60,i,1,1,d*30+99*S(a=i/9+t*6),400+i*30+99*C(a),30,30)

May 24 2020 5:01 PM UTC

}// 137/140

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iznax

function u(t) {

eval(unescape(escape`𭱩𭁨𚁸𚑦𫱲𚁹👈👣𛡷𪑤𭁨𯀽𜀬𩡯𫡴🐢𞑣𫐧𘠬𬱣𨑬𩐨𛐱𛀱𚐻𮐭🐸𞱳𭁲𫱫𩑓𭁹𫁥👒𚁹𚠹𛁹🀹🰱𜠸𞡹𚠹𛁈𚐬𬱴𬡯𪱥𥁥𮁴𚀢𧁵𮰱𩠶𨠶𯐢𛀭𝐶𚡹𛀶𝰰𚐩𩡯𬠨𪐽𞐻𪐭𛐻𥰽𬐿𮐭𝐱𜀺𢀬𩡩𫁬𤡥𨱴𚁗𚠨𪐭𝀫𤰨𭀩𚐭𢀯𜠬𮐬𥰯𚰫𬐫𜐬𞀩𚑱👹🠷𝐰`.replace(/u../g,'')))

May 25 2020 1:52 AM UTC

}// 139/140

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Abbey Road #emoji

u/iznax

Inspired by the Beatles album cover... it started out as an idea for #default

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Xen

remix of d/18975 by u/Xen

function u(t) {

for(i=2e3;i--;x.fillRect(i,0,1/3,9))x.fillStyle=`hsl(${t**7&i^t*99},95%,${C(i+t)*S(t*t)*i}%`;x.drawImage(c,0,9)

May 27 2020 12:56 PM UTC

}// 111/140

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_-{Skan}-_ v0.6 (we bringing 88back)

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Xen

remix of d/18974 by u/Xen

function u(t) {

for(i=2e3;i--;x.fillRect(i,0,9,i/99))x.fillStyle=`hsl(${(t*t)%99},95%,${h=C(i)*S(t*t)*999}%`;x.drawImage(c,0,9)

May 27 2020 12:48 PM UTC

}// 111/140

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_-{Skan}-_ v0.5

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Xen

remix of d/18955 by u/stefano

function u(t) {

for(c.width=w=h=i=37;i<w*h;x.fillStyle=R(l=3**6/((18-q)**2+(9-a)**2)*h*S(t*t**t),l/t,w))x.fillRect(q=i%w,a=(++i-q)/w-1,i,i)

May 25 2020 12:36 PM UTC

}// 123/140

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[Stella Signal] slight golf & remix

u/tomxor

#pulsar

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taupelink

function u(t) {

f=(h,X=960,Y=540,r=300)=>{if(r>1)x.fillRect(P=X+r*C(h)+S(t*t)/9,Q=Y+r*S(h),s=r/2,s),s*=.4,x.clearRect(P+s,Q+s,s,s),f(h*1.1,P,Q,r*.93)}
f(t)

May 26 2020 12:49 AM UTC

}// 139/140

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d/18964

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andrea270872

remix of d/18953 by u/andrea270872

function u(t) {

K=39
u=t%9-4
v=t/9-4
x.fillStyle=`#${frame%9}005`
for(i=K;i--;)for(j=K;j--;)x.fillRect(i*K,j*K,A=3+K*C(P=44/7*(u*i/K+v*j/K))**2-S(P)**2,A)

May 26 2020 9:35 AM UTC

}// 139/140

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It's killing me... but I cannot stop looking

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nbruno234

function u(t) {

eval(unescape(escape`琿〺朽〻景爨栽季⹨敩杨琽ㄲ〰Ⱪ㴨丽㜵⤪九㭩ⴭ㭸⹦楬汒散琨椥个ㄶⰱ㘪⡾樭丩ⰱ㐬ㄴ⨨桛楝㵧㽓ⴵ㽓㴽㘺杛楝㩄慴攮湯眨⤦ㄩ⤩景爨稽匽㤻稭ⴻ匭㵧孾樥个丫縨⵩⵺⼳ⵎ⤥九⥪㴭椯中稥㌭主朽栻`.replace(/u(..)/g,"$1%")))

May 24 2020 12:38 AM UTC

}// 135/140

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Game of Life!

u/Foldster

wow!
u/DaSpider

#GameOfLife
u/bandaloo

i've been waiting for someone to do this!

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iznax

function u(t) {

eval(unescape(escape`𩡯𬠨𥰽𨰮𭱩𩁴𪀽𜐸𜀬𪰽𝠻𪰭𛐻𚐊𩡯𬠨𪐽𜰲𞱩𛐭𞱘👩𙠳𛁙👩🠾𜠬𮀮𩡩𫁬𤱴𮑬𩐽𬐿𨁨𬱬𚀤𮱴𚠴𜀫𪐪𞁽𛀵𜀥𛀵𜀥𚑠𞠰𛁦👭🐾𮀮𩡩𫁬𤡥𨱴𚁱𚠨𭀥𜐭𜐫𪰭𦀯𫐩𚠸𜐬𬐪𚀲𚱙𚐪𞐬𭰽𬐿𞀺𥰬𭰩𛀨𤰨𪐫𪰭𭁼𜀩𚰶𚐪𚠵𙐱𝀼𞐿𩠨𞐬𩠨𛐹𚐩𞠰𚑱👫🀵`.replace(/u../g,'')))

May 23 2020 9:06 PM UTC

}// 140/140

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Endless Sprites #bitmap

u/iznax

Inspired by d/3078
u/tomxor

I saw a mando helmet :P

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bandaloo

function u(t) {

h=20+C(t)*10;b=~~(h/9);for(i=960;i--;)x.fillStyle=`hsl(${(i&~~(t*60))*9},70%,${h}%`,x.fillRect(i*2,0,2,b);x.drawImage(c,0,b)

May 26 2020 6:00 PM UTC

}// 124/140

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rolling fabric