Random dweets | Dwitter

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.

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JonasPeeters

function u(t) {

c.width=2e3
for(i=0;i<999;i++){
x.fillStyle=R(i/3,99-i/3,200);
x.fillRect((i*20)%999+480,Math.floor((i*20/999))*25+S(t*5+i*50)*5+400,15,17)}

Jan 2 2018 3:58 PM UTC

}// 143/140

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joeytwiddle: #waves #flag #cloth

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joeytwiddle

function u(t) {

r=Math.random;if(r()<.04){c.width=199
for(i=X=25;i--;X+=w)x.fillRect(X+=2,9,w=1+6*r()|0,78)
x.fillText(Object.keys(this)[r()*215|0],27,99)}

Dec 3 2017 5:20 PM UTC

}// 141/140

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joeytwiddle: Inspired by zoulei and xscreensaver

joeytwiddle: Minor improvement: if(t%1<.3)
joeytwiddle: Improved bars: for(i=X=25;X<170;X++)r()<.6&&x.fillRect(X,9,1,78)
joeytwiddle: #barcode

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metamero

remix of d/14008 by u/Jezza

function u(t) {

t||x.translate(w=960,h=540)
x.drawImage(c,-w,0,w*2,h*2)
x.fillStyle=R(C(t*5)*256,S(t*3)*256,T(t)*256)
x.fillRect(0,0,w,7)
x.rotate(1.5687)

May 20 2019 11:00 PM UTC

}// 144/140

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metamero: fractal kaleidoscope

katkip: Cool
joeytwiddle: #colorshock #kaleidoscope

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@no_identd

remix of d/6363 by u/Knifa

function u(t) {

_=48
for(i=0;i<_;i++)for(j=0;j<_;j++){r=t+(i-_)*(j-_/2)/_
$=T(r%i)
x.fillStyle=R($*255,S(r^5)*255*$,j**$^7)
x.fillRect(i*_,j*_-$*_,_*2,_*2)}

Jan 22 2018 10:58 PM UTC

}// 144/140

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katkip

remix of d/13405 by u/katkip

function u(t) {

x.translate(960,440);x.font='4cm"';x.fillText("KATKIP",400,600)
x.rotate(Math.PI*2/3)
x.drawImage(c,-t,+t,990,520)

Apr 23 2019 2:18 PM UTC

}// 116/140

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katkip: #sierpinski made of "katkip" #fractal

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ionre

function u(t) {

c.width^=0
for(i=0;i++<70;){x.beginPath()
x.fillStyle=R(40,150,0,i/70)
a=100+12*i
b=i*(t+9)/32
x.arc(960+a*C(b),540+a*S(b),30,0,7)
x.fill()}

Jan 1 2018 1:53 AM UTC

}// 146/140

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iverjo: #spiral #dots

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Run

function u(t) {

c.width*=1;
for(i=0;i<1550;i++){
x.fillRect(X=i+S(t+i)*300,400+200*C(t+i)+200*S(X/300+t),50,50);x.fillStyle=`hsl(`+(X/7+t*30)+`,80%,50%)`;}

Mar 2 2017 6:42 PM UTC

}// 141/140

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Run: More of the tubes of the internet.

sfz: shwank

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icecuber

function u(t) {

c.width=192;for(i=9;i--;)for(j=9;j--;)x.fillText((i+j*3+j/3|0)%9+1,i*11+12,j*11+12),x.fillRect(i*33-156,3,1,99),x.fillRect(9,i*33+2,100,1)

Nov 22 2016 7:31 PM UTC

}// 138/140

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iverjo: Awesome, a solved sudoku!
sigveseb: nice!
lionleaf: #sudoku

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21medals

remix of [deleted]

function u(t) {

with(x)for(c.width|=0,i=99,translate(960,540);i--;fillRect(o=-i*10,o,s=-o*2,s))rotate(t/25),fillStyle=`hsl(${i%2*t*44+t*44},99%,55%)`

Feb 6 2018 2:30 PM UTC

}// 133/140

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lionleaf

function u(t) {

c.width=2e3;m=S(t*3)*250;x.translate(960,540);for(i=1;i<9799;i++){a=(i%340);x.rotate(.017);x.fillRect(a?(i/999|0)*50:0,m,a?5:450,5)}

Apr 29 2016 9:41 PM UTC

}// 132/140

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lionleaf: #cobweb

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