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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Odog8

function u(t) {

c.width=99,[..." DWITTER"].map((X,Y)=>x.fillText(X,9+T(Y+t),Y*8))

Dec 21 2022 5:57 AM UTC

}// 65/140

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Quick golf

u/emomu

cok iyi lan
u/Odog8

what?
u/Odog8

ok, i just realized this is turkish. Thank you!
u/4ce

Maybe, strong copy with 62 symbol: c.width=99;for(X=8;X--;)x.fillText(" DWITTER"[X],9+T(X+t),X*8) ~_^

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DazeWare

remix of d/26672 by u/DazeWare

function u(t) {

c.width=99,[..." HELLO"].map((X,Y)=>x.fillText(X,45+12*S(Y+t*5),Y*8*T(t/2)))

Dec 21 2022 6:52 PM UTC

}// 76/140

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Kirjava

function u(t) {

eval(unescape(escape`󩭯󬬨󬼽󪜽󘬢󛍡󟝪󟜢󞝁󠝁󠝁󠜿󟬾󟬾󟭾󟼮󜜱󬝾󨜿󫭾󫭮󯭾󟼮󬝾󫭾󬜿󛭮󨭮󯭾󞽮󫭮󫭾󯬿󜜱󜝱󨝾󟼾󟬾󟬾󯬹󠝁󠝁󠝁󘬻󛜭󪬿󭬯󟜲󞬨󪬽󪜥󝼿󝼺󚍸󛭦󪝬󫍔󩝸󭌨󬼬󪜬󪜪󞜩󛍳󟝛󧜬󜼩󛍶󟜶󜭞󨜮󨽨󨝲󠽯󩍥󠝴󚍩󚼫󚜩󛍩󟌷󜜻󮌮󩭯󫭴󟜢󝍥󫜠󫝯󫭯󘬩󬼫󟜢󘌣󘭛󜜦󭭝`.replace(/u../g,'')))

Dec 22 2022 6:18 PM UTC

}// 140/140

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Odog8

function u(t) {

if(t==0){
a=Array(400).fill(0).map(x=>~~(Math.random()*2))
c=B=>B?c=~~(2*Math.random())+c(B-1):c,a=c(400)

}
throw a

Dec 22 2022 4:20 PM UTC

}// 116/140

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test

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rodrigo.siqueira

function u(t) {

c.style='filter:invert('
for(i=3e4;r=C(t*i/9)*i|0,i--;x.fillStyle=R(r))x.fillRect(c=C(a=Math.PI*r/2)*u+c+960>>1,u=490*S(a)+550+u>>1,t<2,.1)

Dec 19 2022 8:09 PM UTC

}// 139/140

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Fractal Ice Tree #tree #fractal

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DazeWare

remix of d/26671 by u/Odog8

function u(t) {

c.width=99,[..." DWITTER"].map((X,Y)=>x.fillText(X,45+12*S(Y+t*5),Y*8))

Dec 21 2022 6:49 PM UTC

}// 71/140

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KilledByAPixel

remix of d/20148 by u/KilledByAPixel

function u(t) {

with(x)for(w=i=960;i;fill(arc(w+r*S(a=(i/w+i%2)*3.1),540+r*C(a),r?i<2?50:r:420,0,9)))r=i---w?200:0,beginPath(fillStyle=R(v=i%2^i<2?0:w,v,v))

Dec 20 2022 4:26 AM UTC

}// 140/140

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Yin Yang ☯️

u/cantelope

isn't light (yang) on top usually?
u/KilledByAPixel

nah, either is fine.

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rodrigo.siqueira

remix of d/26631 by u/rodrigo.siqueira

function u(t) {

for(i=2e4;r=C(i*t)*i/40|0,i--;x.fillStyle=R(9,r,35))x.fillRect(c=S(a=Math.PI*r/2)*u+c+960>>1,(u=500*C(a)+560+u>>1)+S(t*u)*2+u+t*3,t<3,.5)

Dec 20 2022 1:30 AM UTC

}// 137/140

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Pine tree, snow background #tree #fractal

u/jellyedwards

Amazing!

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NiekvD

function u(t) {

throw c.width

Dec 23 2022 3:21 PM UTC

}// 13/140

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384.cz

remix of d/26668 by u/384.cz

function u(t) {

for(c.width=500,c.style="filter:invert(",j=30;j--;)for(a=S(t+j),d=i=j;i--;)x.fillRect(i*a+(230+230*a),120+120*S(9*j)+(d-i),1,2*i)

Dec 20 2022 5:06 PM UTC

}// 129/140

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u/danny@hille.dk

:-)