Top dweets of all time

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

Please log in (or register) to post a dweet (copy-paste the code somewhere safe to save it meanwhile)


    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

show FPS hide FPS share 3 remixes fullscreen

rodrigo.siqueira

remix of d/23687 by u/rodrigo.siqueira

function u(t) {

c.style.filter=`invert(`
A=a=b=t/2;s=240
for(i=1e4;--i;b=A,A=a)x.fillRect(990+a*s,640+b*s,.7,1),a=.04-b+1.2*Math.abs(a/3+1/b/4e3)*(A/9-2)

Aug 30 2021 2:25 PM UTC

}// 137/140

Please log in (or register) to post as a new dweet (copy-paste code somewhere safe to save it meanwhile).

I can't name it. Ideas?

u/Joachim

Spider-Limpets ;-)

show FPS hide FPS share 3 remixes fullscreen

danny@hille.dk

function u(t) {

eval(unescape(escape`󭍼󯌨󢜽󫭥󭼠󢝭󨝧󩝄󨝴󨜨󨼮󭽩󩍴󪌽󭼽󜬵󝜬󪌽󜜶󜌩󚜻󩭯󬬨󪜽󭼪󪌻󪜭󛜻󢜮󩍡󭍡󛭳󩝴󚍛󛌬󚍰󚽴󚭷󙭷󧭷󚭡󚬱󛬶󚽷󛝴󚭷󙭷󚜭󬌯󞜬󭽝󛍩󚬴󚜩󨜽󣝡󭍨󛭡󭍡󫬲󚍘󟜭󛬵󚼱󚬨󪜥󭼩󛽷󛍙󟜭󛬴󚼲󚭩󛼱󩜵󚜬󬌽󭼯󚍙󚭙󚽘󚭘󚜪󚬮󝜪󛬵󞽸󛭰󭝴󢝭󨝧󩝄󨝴󨜨󢜬󜌬󜌩`.replace(/u../g,'')))

Aug 19 2021 9:08 PM UTC

}// 140/140

Please log in (or register) to post as a new dweet (copy-paste code somewhere safe to save it meanwhile).

Second attempt at an old school tunnel effect

Show more comments…
u/danny@hille.dk

Uncompressed code: t||(I=new ImageData(c.width=w=255,h=160));for(i=w*h;i--;I.data.set([,,(p+t*w&w^w*a*1.6+w-t*w&w)-p/9,w],i*4))a=Math.atan2(X=-.5+1*(i%w)/w,Y=-.4+2*i/1e5),p=w/(Y*Y+X*X)**.5*.5;x.putImageData(I,0,0)
u/danny@hille.dk

#tunnel
u/danny@hille.dk

first attempt: d/23462
u/danny@hille.dk

Javascript garbage collector is struggling, when you create a new ImageData at each run, which results in some nasty stuttering. t||(I=new ImageData... fixes this issue
u/magna

This worked for me: I=x.getImageData(0,0,c.width=w=255,h=160) (no need for t|| check)
u/danny@hille.dk

u/magna while getImageData does not hit the garbage collector quite as hard, it takes about 1.3 times longer to execute, wich amounts to 53 fps, while t||(I=new ImageData... runs at a constant 60 fps (on my old 2014 macbook pro :-))

show FPS hide FPS share fullscreen

Joachim

function u(t) {

eval(unescape(escape`󭽩󭍨󚌡󭌦󙬨󦜽󡬽󥜽󜌩󛍇󟜲󜌬󮬽󨼮󭽩󩍴󪌽󞜹󛍆󟍺󟽆󚼽󝜺󡬽󞜬󫽮󫝯󭝳󩝭󫽶󩜽󭌽󟭙󟝴󛭹󛼵󛍸󚝦󪝬󫍒󩝣󭌨󜬬󦜬󞜬󞜩󛍦󪝬󫍒󩝣󭌨󡬬󦜬󜬬󜬩󛍦󪝬󫍔󩝸󭌨󘬼󘬫󥜬󞌰󛍇󚽓󚌹󚭴󚜪󡼩󛍆󟬸󜌦󙭙󟭇󚽓󚌹󚭴󚜪󡼭󝜦󙭙󟍇󚽓󚌹󚭴󚜪󡼦󙬨󥜫󚼬󡬽󞜩`.replace(/u../g,'')))

Aug 19 2021 1:21 PM UTC

}// 136/140

Please log in (or register) to post as a new dweet (copy-paste code somewhere safe to save it meanwhile).

space shooter #game

u/Xen

love it!
u/aleamb

#interactive

show FPS hide FPS share 3 remixes fullscreen

mxfh

remix of d/23551 by u/mxfh

function u(t) {

I=new ImageData(w=2048,w)
b=new Int32Array(I.data.buffer)
for(i=3e6;i--;b[i]=(i-Y&Y+i)*-t/i%i<<22)Y=i*w
x.putImageData(I,0,0)

Aug 15 2021 2:06 AM UTC

}// 125/140

Please log in (or register) to post as a new dweet (copy-paste code somewhere safe to save it meanwhile).

https://www.dwitter.net/d/23557 so with some space for setting up other buffer view, it speeds things up when treating rgba Uint8Clamped Array as single 32bit value

u/mxfh

wondering if we could store that buffer somwhere to do truly iterative fractal stuff
u/taupelink

trippy!

show FPS hide FPS share fullscreen

tomxor

remix of d/23549 by u/tomxor

function u(t) {

eval(unescape(escape`𩡯𬠨𨐽𣑡𭁨𛡡𨡳𛁣𛡳𭁹𫁥𛡢𨑣𪱧𬡯𭑮𩀽𙰣𞐹𞐧𛁣𛡷𪑤𭁨𙠽𪐽𝀳𝐲𞱘🐱𛐨𭀫𪐯𜰲𚐥𜠬𦐽𛐭𪐯𜡥𜰻𮀮𩡩𫁬𤱴𮑬𩐽𚁩𧡩🠾𝠩𙠸🰧𬡥𩀧𞠧𘱦𩡦𙰬𮀮𩡩𫁬𤡥𨱴𚀶𝀪𚁘𛱲𚱡𚀲𛑴𙐴𚐫𜐩𛀹𝠭𝠴𚠨𦐯𬠫𨐨𤰨𭀩𚐩𛁫🐵𛱲𛐲𛁫𚐩𬠽𛐭𦐪𦐫𦀪𦀫𜐻`.replace(/u../g,'')))

Aug 13 2021 9:03 PM UTC

}// 140/140

Please log in (or register) to post as a new dweet (copy-paste code somewhere safe to save it meanwhile).

Smooth Colour #Amiga #Ball

Show more comments…
u/tomxor

If someone can squeeze in a hard shadow and a purple grid we will be done.
u/danny@hille.dk

Beautiful
u/danny@hille.dk

I distinctly remember the grid to be blue... but all the youtube videos shows it to be purple... I think it's a conspiracy :-)
u/ullo

i like
u/KilledByAPixel

dweetabase updated! https://dweetabase.3d2k.com/
u/tomxor

I can't find it now but I seem to remember reading about how emulated colours of amigas look different from real amiga video output. The emulators are probably just spitting out the RGB values and letting the host OS do the gamma etc. I suspect real amiga video output must have been a bit "coloured" which causes this difference.

show FPS hide FPS share 1 remix fullscreen

ArthurThuczsec

remix of d/15411 by u/rodrigo.siqueira

function u(t) {

v=(a,b,Φ,r)=>{for(i=0;i++<r;x.fillStyle=R(b,a/9,t%99))x.fillRect(a-=S(Φ),b+=C(Φ),s=r/9,s);r>8&&v(a,b,Φ+S(t*i*r)/2,r*=.93)}
v(940,-199,0,99)

Aug 4 2021 8:08 PM UTC

}// 139/140

Please log in (or register) to post as a new dweet (copy-paste code somewhere safe to save it meanwhile).

show FPS hide FPS share 2 remixes fullscreen

danny@hille.dk

remix of d/23442 by u/danny@hille.dk

function u(t) {

for(c.width=w=256,d=new ImageData(w,w),m=w*w,i=-1;m--;)r=((X=m%w-128)*X+(Y=m/w-166)*Y)/512,d.data[i+=4]=T(t+Y/r|X/r)*w
x.putImageData(d,0,0)

Jul 30 2021 6:43 PM UTC

}// 140/140

Please log in (or register) to post as a new dweet (copy-paste code somewhere safe to save it meanwhile).

Centred, slightly better performance and resolution, animating... but black/white

u/TGY

golf and play LOL
u/danny@hille.dk

u/TGY - I might have been gotten a little carried away :-)

show FPS hide FPS share fullscreen

rep_movsd

function u(t) {

eval(unescape(escape`𪑦𚁦𬡡𫑥𙐶𜀽🐰𚑻𨰮𭱩𩁴𪁼🐱𛁋👍𨑴𪀮𬡡𫡤𫱭𚀩𒡦𫱲𚁸𛡢𩑧𪑮𤁡𭁨𚀩𛁡🐰𞱡🀶𛠲𞀻𨐫🐮𜀱𛁸𛡬𪑮𩑔𫰨𦀬𦐩𚐊𩡯𬠨𦀽𞐶𜀬𦐽𝐴𜀬𤠽𝀰𜀬𪐽𜐵𞱩𛐭🠲𞰩𦀫👓𚁢👡𚡩𚐪𠰨𢰪𭀪𪐩𚠨𣀽𤠯𪐩𛁙𚰽𠰨𨠩𚡓𚁴𚠪𪐩𚡌𞱸𛡦𪑬𫀨𚑽`.replace(/u../g,'')))

Jul 29 2021 1:27 PM UTC

}// 135/140

Please log in (or register) to post as a new dweet (copy-paste code somewhere safe to save it meanwhile).

Xenobiology picture book #alien

u/taupelink

wow!
u/rep_movsd

It's just a sum of random fourier co-efficients - never expected this weird effect!
u/TGY

this is like so amazing, you could build game out of it
u/rep_movsd

Yeah - something like pokemon - people collect random creatures and pit them against each other, and some way to combine them

show FPS hide FPS share 1 remix fullscreen

rodrigo.siqueira

remix of d/23372 by u/ArthurThuczsec

function u(t) {

for(x.drawImage(c,K=S(t)*15-40,K/2+9,i=2e3,1111);i--;x.fillStyle=`hsl(${i},90%,${T(t)*99}%)`)x.fillRect(960+C(z=t*i)*i,540+S(z*i)*i,1,3)

Jul 23 2021 7:12 PM UTC

}// 136/140

Please log in (or register) to post as a new dweet (copy-paste code somewhere safe to save it meanwhile).

Crazy fireworks #starfield

show FPS hide FPS share 1 remix fullscreen

danny@hille.dk

remix of d/23343 by u/danny@hille.dk

function u(t) {

for(c.width=i=192;i--;)for(p=9;p--;)('༏ఃࠁࠁϼݮ୭෻ง෻ਅ۶ࡡඛ๧'.charCodeAt(Y=i%16)>>(X=i>>4))%2||x.fillRect(p*18+X+18,Y*(s=2*S(3*t+p))+s*9+60,1,s)

Jul 17 2021 2:46 PM UTC

}// 138/140

Please log in (or register) to post as a new dweet (copy-paste code somewhere safe to save it meanwhile).

Kids on swings remix "weeee!"

Show more comments…
u/danny@hille.dk

I was trawling the interwebs for fun and leisure and found this sprite sheet http://legacy.gamebuino.com/forum/viewtopic.… and of course i thought of dwitter :-)
u/donbright

wow amazing encoding
u/danny@hille.dk

Thanks mate, I didn't really know how the encoding was done, so i came up with this solution function makeMagicString(data, width){ let buf = ''; let str = '' data.forEach((o,i)=>{ if(i%width===0 && i){ str += String.fromCharCode(parseInt(buf,2)); buf = ''; } buf += o?1:0; }) str += String.fromCharCode(parseInt(buf,2)) return str; }
u/danny@hille.dk

where data is an array of 1 and 0 ex: [0,0,0,0,0,1,1,1,1,1,0,0,0,0,0, 0,0,0,1,1,1,0,0,0,1,1,1,0,0,0, 0,0,1,1,1,1,0,0,0,0,1,1,1,0,0, 0,1,1,1,1,0,0,1,1,1,0,1,1,1,0, 0,1,0,0,0,0,1,1,1,1,1,0,1,1,0, 1,0,1,1,0,0,0,1,1,1,0,0,0,0,1, 1,1,1,1,1,0,0,0,0,0,0,0,0,1,1, 1,0,1,1,0,0,0,0,0,0,0,0,1,1,1, 1,0,0,0,1,1,1,1,1,1,1,0,0,1,1, 0,1,1,1,0,0,1,0,1,0,0,1,1,1,0, 0,0,1,0,0,0,1,0,1,0,0,0,1,0,0, 0,0,0,1,0,0,0,0,0,0,0,1,0,0,0, 0,0,0,0,1,1,1,1,1,1,1,0,0,0,0]
u/danny@hille.dk

I know it's not the most elegant solution, but I stick to the mantra "If it works, it aint stupid" :-)
u/danny@hille.dk

#pixelart
u/KilledByAPixel

#swing