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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metamero

function u(t) {

z=72
c.width^=0
for(i=0;i<15;i++)
for(j=0;j<16;j++)
if(!((i+j)%2))
x.fillRect(420+z*i,z*j,z,z*S(t))

Nov 28 2018 5:04 PM UTC

}// 99/140

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rodrigo.siqueira

remix of d/20500 by u/rodrigo.siqueira

function u(t) {

 `﷽﷽${π=3.14}﷽﷽`
	!t&&x.translate(850,590);if(t<π)x.lineWidth=π,
x.rotate(t/18),λ=950*(1-S(t/2));x.strokeRect(-λ*3,-λ,2*λ,λ*2);
`﷽﷽﷽﷽﷽`

Nov 6 2020 10:55 PM UTC

}// 135/140

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if ( t < π ) { Deep Spiral } with lineWidth = π pixels #spiral (made of squares)

u/Xen

Nice code!

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iznax

function u(t) {

for(c.width=z=q=1e3,x.fillRect(0,0,z,z);--q;r=q%16,x.fillStyle=R(r*9,0,128,.1),x.fillRect(99+r*48,300+.8*S(3*t+r*(40+t/4))*h,h,16))h=q/11//?

Jan 30 2020 6:26 AM UTC

}// 140/140

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Purple Spinal Code

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Xen

remix of d/4721 by u/Xen

function u(t) {

x.strokeRect(3,4,W=1912,H=1072)
x.drawImage(c,4,4,W,H)
x.strokeStyle=`hsl(${t*H/9},99%,50%)`
x.rotate(C(t)/1e4)

Dec 29 2017 8:17 PM UTC

}// 111/140

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Version2: the hippy summoner!

u/iverjo

#trippy
u/Cloud

Retro style

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jonathan_b

remix of d/6004 by u/jonathan_b

function u(t) {

for(c.width|=s=i=504;i-=3;)for(j=s;j-=36;)q=T(S(j+t+i)),x.fillStyle=R(j*q,j*-q,j/2,i/s),x.fillRect(s*2+s*C(i+q/j)*C(t/s+q),s+s*S(i),j/9,j/9)

Jan 13 2018 7:44 PM UTC

}// 140/140

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ETHproductions

function u(t) {

for(i=8192,c.width=128,r=R,R=n=>~-r[i+n]-~r[i-n];i--;(R[i]=p+new Date%9/t/9>=3-r[i]&p<4)&&x.fillRect(i>>6,i%64,1,1))p=R(1)+R(63)+R(64)+R(65)

Sep 25 2018 6:06 PM UTC

}// 140/140

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Conway's Game of Life in 140b

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u/ETHproductions

Takes a second to get going due to the limitations on how I could kick it off. The 184b version looks much better; I may post it when I'm satisfied with it.
u/aemkei

Nice! #gameoflife
u/and3k5

How do you twist your brain to do this thinking? It's amazing!
u/katkip

That's a huge GOL
u/zanella

My new favourite dweet. :)
u/hells-fargo

i was waiting to find this somewhere on here! :D

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mxfh

remix of d/22456 by u/mxfh

function u(t) {

d=x.getImageData(0,0,w=c.width=128,w)
d.data.forEach((v,i,A)=>A[i]=(i%w>>2^(i>>9)+t*30)%(3+i%4)*w)
x.putImageData(d,0,0)

Apr 12 2021 10:09 PM UTC

}// 120/140

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Xen

remix of d/7326 by u/DirtyDan

function u(t) {

for(c.width|=h=8;h--;)for(i=1e3;i--;x.lineTo(i*2,543+(i%2<1?z:-z)))z=S(t**t/i*h)*543*h*S(t+h)
x.stroke()

Nov 23 2019 6:30 PM UTC

}// 105/140

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https://www.youtube.com/watch?v=NKTpWi5itOM

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magna

remix of d/2597 by u/magna

function u(t) {

w=c.width=192;for(i=w;i--;)for(j=w;j--;!!('ưưƠƀÃÇÏÏ'.charCodeAt(j&7^f*7)-w&1<<(i%8^(X+Y&1)*7))^f&&x.fillRect(i,j,1,1))X=i>>3,Y=j>>3,f=X/Y&1

Apr 26 2017 6:57 PM UTC

}// 139/140

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Filled Truchet tiles

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u/magna

Change the f assignment at the end to f=t*X/Y&1 to animate. I couldn't shave another byte to fit that.
u/donbright

for(i=c.width=w=192;i--;)for(j=w;j--;!!('ưưƠƀÃÇÏÏ'.charCodeAt(j&7^f*7)-w&1<<(i%8^(X+Y&1)*7))^f&&x.fillRect(i,j,1,1))X=i>>3,Y=j>>3,f=t*X/Y&1
u/donbright

awesome job, love it
u/magna

@donbright Damn! How didn't I see that? :) Thanks, and thanks!
u/magna

https://www.dwitter.net/d/2604
u/magna

* https://www.dwitter.net/d/2611
u/magna

#truchet

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KilledByAPixel

remix of d/14830 by u/pavel

function u(t) {

eval(unescape(escape`𨰮𬱴𮑬𩐮𨡡𨱫𩱲𫱵𫡤👠𪁳𫀨𙁻𭀪𝀵𯐠𞐹𙐷𜀥𨀻𩰽𭀾🠱𞱦𫱲𚁷👪👣𛡷𪑤𭁨𯀽𩠽𫰽🠵𜀰𚡃𚁱🐲𜠯𝰯𚀳𚱯𚠵𙐸𚐩𛱃𚀨𨐫𚁧𚱥𚰱𚐪𜐱𛰷𚐥𚀲𚡱𚐭𬐩𞱡🐴𝀯𝰪𛐭𪠯𭰻𮀮𨑲𨰨𞐶𜀬𝐴𜀬𩠨𩰫𜐩𚡥𚱦𚁧𚐪𚀱𛑥𚐬𨐬𨐩𚑥🐨𭀯𜠥𜐩𚠪𜰊𮀮𩡩𫁬𚀩`.replace(/u../g,'')))

Jul 1 2019 9:07 PM UTC

}// 140/140

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Geometry Morph V2

u/KilledByAPixel

With some tricks to ease the rotation, and keep it vertically symmetric, plus color.