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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KilledByAPixel

function u(t) {

for(c.width|=i=33,x.font='9em"';i--;x.stroke())x[f='fillText']('👻',X=940+860*C(A=i/.35+t),Y=600+460*S(A)),x.lineTo(X+70,Y),x[f]('🎃',940,640)

Oct 2 2019 9:25 PM UTC

}// 140/140

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Ghost Party! 👻 🎃 👻

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afs

function u(t) {

x.rotate(.001);d=t<40&&-t*10*t;x.strokeRect(1000+(S(t)*(-100+C(t)))*-3,800+(-(S(t)*30))*.6,d*2,d*2);x.rotate(S(t)/(t*t*t*t*Math.PI*10))

Oct 3 2019 10:27 AM UTC

}// 135/140

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afs

function u(t) {

x.rotate(-.001);d=t<18&&-t*100*t;x.strokeRect(360+(S(t)*(-100+C(t)))*-3,70000+(-(S(t)*30))*.2,d*2000,d*2000);x.rotate(-t/300000)

Oct 3 2019 10:11 AM UTC

}// 128/140

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afs

function u(t) {

d=t<2.2&&-t*200*t;x.strokeRect(0+(S(t)*(30+C(t)))*-3,-200+(C(t/6)*(50+C(t)*2000+S(t)*30))*.2,d*30,d);x.rotate((S(t*3)+5+(t*t*t))/200)

Oct 3 2019 9:35 AM UTC

}// 133/140

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KilledByAPixel

remix of d/15062 by u/KilledByAPixel

function u(t) {

eval(unescape(escape`𭱩𭁨𚁸𚑦𫱲𚁣𛡷𪑤𭁨𯀽𪐽𜠻𪐭𛐻𪐿𩡩𫁬𚀩𞡳𭁲𫱫𩐨𚐩𒡦𫱲𚁫👩🰭𜐺𜐬𨡥𩱩𫡐𨑴𪀨𫁩𫡥𥱩𩁴𪀽𪠽𞐩𞱪𛐭𞱥𫁬𪑰𬱥𚁴𙐹𚠳𜀰𛐴𜀰𛀷𝀰𛑫𚡃𚀨𫐽𭀥𬀩🡰𛰲🱰𛑭𞡭𚐪𚁩🰹𞐺𜰰𜀩𛀳𜀰𛀲𜀰𚱫𚠹𞐬𜀬𬐽𚁫𚡴𚱪𚡰𚐥𚀴𚡰𚐬𬐩𚑰👍𨑴𪀮𤁉𛰲`.replace(/u../g,'')))

Oct 1 2019 3:41 PM UTC

}// 140/140

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Square Roll With Shadow

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asteriskman

function u(t) {

c.width=1920
x.font='99px A'
x.fillText('🍭',900,600)
for(i=0;i<9;i++)
x.fillText(['😨','😕'][i&1],900+900*C(t*.6+i),580+450*S(t*(.3+i*.9)))

Oct 2 2019 2:51 PM UTC

}// 137/140

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Inktober Day 2 - Mindless

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metamero

remix of d/15869 by u/metamero

function u(t) {

localStorage.ć=" -.0123456789Mal"
localStorage.Ć="񔄽񀕎𰌅񵀳񁀿񀑎𰌄񕄴𴄽񀍎𰌃𵀳񀍀𰌃𵄳󬄽𰰌㐰살𰌌򴄴񔉍󂨈򰯥𳀰𨐓𥵻򑡔򮪒゠񀍃󗘦𘕂񒇻𿌈𠥀󓂅񔉁󂨘򰯥𳀰𨐃񁵻蕂𥇳𰢫䀰򊬤〰󪤨𰨊𔐰򨉤󩄽𰤉㌰達𰌉񔄳󨄽𰠈㐰耴𰌈𴄴"
location='/id/15879'

Oct 2 2019 11:33 PM UTC

}// 137/140

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new version of "código" with 5to1 compression : 5 chars (of 16 different values) compressed in each unicode char

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metamero

remix of d/15868 by u/metamero

function u(t) {

with(localStorage)t?i<325&&x.fill(new Path2D(ç+=ć[[...Ć][i/5|0].codePointAt(x.transform(42,0,0,42,960,540,c.width|=1))>>i++%5*4&15])):i=ç=''

Oct 2 2019 11:30 PM UTC

}// 140/140

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new path filler for "código" : parses 5to1 compressed string : uncompressed dweet

u/joeytwiddle

Clever!

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sawaxon

function u(t) {

c.width|=0
for(i=0;x.fillStyle=`hsl(${i*40},99%,50%`,i<9;i++,x.rotate(S(i+t)*19*(Math.PI/180)))x.fillRect(v=50+T(t)*99&&90*i,500+i*S(t),v,v)

Oct 1 2019 4:25 PM UTC

}// 140/140

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asteriskman

function u(t) {

c.width=1920
x.font='99px A'
x.fillText('🔥',960,580)
for(i=0;i<8;) 
x.fillText(['🎃','👻'][i++%2],460*C((i+t)*.8)+960,460*S((i+t)*.8)+580)

Oct 2 2019 2:28 PM UTC

}// 136/140

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Inktober Day 1