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: #Opposites

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zachygreen

function u(t) {

t*=l=60
for(i=0;i<15;i++)if("Ϡఘင☺⼒䜝䙉䃝䙉䜝⼒☺ငఘϠ䀀䀀߾᠄ ⸄䩢且䂒且䩢⸄ ᠄߾".charCodeAt(0|t).toString(2).padStart(15)[i]==1)x.fillRect(l*(0|t),l*i,l,l)

Oct 31 2024 3:43 AM UTC

}// 135/140

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skeleton ghost thing

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Agnes

remix of d/32657 by u/Agnes

function u(t) {

eval(unescape(escape`𩡯𬠨𤠽𭰽𨰮𭱩𩁴𪀦👩🐸𜰲𜀻𪐻𬱼𚁆🐨𠰨𜐰𚡚𚐪𤰨𜐰𚡘𚐪𠰨𜐰𚡙𚱴𚐾𛠷𚡓𚁴𛰱𜀫𦐩𚐩🱔𛑒🱸𛡦𪑬𫁒𩑣𭀨𛐭𪐥𭰬𪐾🠷𛀨𦀫𦐫𥀩𛰳𛁔👒🐱𚐺𤠪👨𞡔𛑒🱔𛰽𪀺𥀽𤠯👨🐮𞐸𚑘👩𙑷𛰶𝀪𤠭𥀬𦐽𪐯𞁥𜰪𤠭𥀯𜠬𦠽𥀭𜐮𝠬𬰽𦀪𦀫𦠪𦠻`.replace(/u../g,'')))

Oct 31 2024 8:34 AM UTC

}// 136/140

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Great glue migration

u/magna

Awesome!

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magna

remix of d/32678 by u/skeletonNatte

function u(t) {

for(i=8;i--;"䁾䂁䂁䂥䂥䂁䂁䂁䂁䂁䃕䂫".charCodeAt(t|=0)>>i&1&&x.fillRect(i*a,t*a,a,a))a=90

Nov 1 2024 3:06 AM UTC

}// 78/140

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smoller boo

u/tomxor

Noice
u/SockTaters

65: d/32687

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lewdev

function u(t) {

eval(unescape(escape`󨼮󭽩󩍴󪌽󞜰󞽯󟝴󚬳󟬾󜌊󬬽󚍯󛍥󚜽󟬨󫌽󫼯󝜾󟬰󛍭󟝯󙜵󛍢󟝥󦼱󧜬󫼽󚍡󟝥󦼰󧜩󛭲󩝰󩝡󭌨󫜩󛍬󟽭󟼳󟍭󟽡󚽥󦼲󧜺󨬫󫼺󨬺󜼼󫜿󨜫󨬺󫼩󒭸󛭦󪝬󫍔󩝸󭌨󫼫󬬨󫼥󜝥󜼯󜜰󜌾󟬰󛌢󠽄󣜢󚜫󬬨󫼥󜜰󜌯󜜰󟬾󜌬󘭘󣍃󘬩󚽲󚍯󙜱󜌬󘭉󥭘󘬩󛌱󛌹󚜻`.replace(/u../g,'')))

Oct 31 2024 3:08 AM UTC

}// 133/140

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🌹 Counting in Roman Numerals (not past 1k tho)

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zadgy5534

remix of d/32666 by u/zadgy5534

function u(t) {

c.width|=0
for(x.reset(i=w=2e3);i--;)
x.fillStyle=R(i/w,i%w+t,i*w/t),
x.fillRect(960+i*C(i/w)*T(i%w),540+i*S(i*t)*T(i%w),5,15+t)

Nov 1 2024 12:56 PM UTC

}// 129/140

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Vertical flow (heavy rain?)

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beaster

function u(t) {

x.reset(s=300)
for(i=j=25*t;i<j+s;i++){
x.beginPath()
x.arc((s*C(.018*i)**3)+1000,(s*S(.03*i)**3)+600,(130*S(.055*i)**4),0,6.28)
x.stroke()}

Oct 30 2024 5:32 PM UTC

}// 140/140

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bubble bobble

u/beaster

with respect to Mr. Yeganeh for the trigonometric points of interest

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scwaller

remix of d/32394 by u/Agnes

function u(t) {

eval(unescape(escape`󩭯󬬨󮌮󩭯󫭴󟜧󜜰󜍱󘬧󛍣󛭷󪝤󭍨󯌽󤬦󟝴󟼰󞭤󟝸󛭧󩝴󢝭󨝧󩝄󨝴󨜨󘝸󛭦󪝬󫍔󩝸󭌨󙽄󭽩󭍴󩝲󙼬󝜬󝼵󚜬󜌬󭼽󜬹󜬬󞌰󚜻󚼫󤬼󜽥󝌻󮌮󩭩󫍬󤭥󨽴󚌶󝜵󚽒󙝷󚬲󚽃󚍒󚜪󫜬󝌶󜌫󜬪󤬯󭼫󤼨󤬩󚭭󛍤󛭤󨝴󨝛󤬪󝌫󜽝󟬾󝬬󜼩󚝭󟝴󟬲󟼨󭌭󜬩󚬷󜌰󚭔󚍒󚭒󚜺󜌻`.replace(/u../g,'')))

Oct 29 2024 4:13 AM UTC

}// 138/140

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I blew up dwitter

u/Agnes

Nice, it's really hard to see how the squares line up with the letters at full speed but the effect is convincing

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0x61

function u(t) {

a=960;b=540;x.font='320px x';s=t-t%1;v= !/^.?$|^(..+?)\1+$/.test('1'.repeat(s));
v&&x.clearRect(0,0,a*2,b*2);x.fillText(v?s:"",a,b)

Oct 31 2024 1:53 PM UTC

}// 131/140

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Prime every prime second

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zachygreen

function u(t) {

t*=60
c.width*=1
for(i=0;i<108;i++){
d=192-i
x.fillRect(0,i*10,i*10,10)
x.fillRect((Math.abs((t-d)%(2*d)-d)+i)*10,i*10,10,10)}

Oct 31 2024 5:20 AM UTC

}// 126/140

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zachygreen

function u(t) {

t*=b=10
for(i=0;i<192;i++)
for(j=0;j<108;j++){
p=50+15*(S(j/5-9*S(t/b))+C(i/5-9*C(t/b))+2)
x.fillStyle=R(0,p,2*p)
x.fillRect(i*b,j*b,b,b)
}

Oct 31 2024 3:37 AM UTC

}// 139/140

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