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.

Try the new frontend: beta.dwitter.net
Current theme challenge: #Food

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Xor

function u(t) {

for(r=(c.width|=0)/.9**(a=t%1),i=0;i++<127;x.font=r+"px Courier")
x.fillText(code[i+t&127],C(--a)*r+960,S(t/9+a)*r+600),r*=.9;

Jan 4 2024 9:55 PM UTC

}// 126/140

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Vortex #quine

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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

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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

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New_Core

function u(t) {

for(c.width|=i=60;i--;)a=i*i/3**S(t*.7),x.fillStyle=`hsl(${(i+t*9)*9},68%,56%`,x.fillRect(960+500**S(i/30+t*1.3)-a/2,a,a,a)

Nov 13 2019 9:49 AM UTC

}// 123/140

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u/Xen

nice

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Irony

remix of d/10531 by u/Irony

function u(t) {

v=t*2
r=(1+t*0.04)
vy=C(v)*100/r
vx=S(v)*500/r 
ry=vy+(200)/r
rx=vx+(200)/r
x.fillRect(960+S(v)*rx,510+C(v)*ry,3,3)

Oct 17 2018 7:32 PM UTC

}// 115/140

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Pendulum v2

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dmilin

function u(t) {

c.width=1000
r=Math.random;for(i=0;i<c.width;i++)x.fillRect(i,0,1,r()*350*S(t)+350),x.fillStyle=R(i*10*S(t)%255,i*10*C(t)%255,i*10*T(t)%255)

Apr 13 2019 7:29 PM UTC

}// 140/140

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Voice In Static

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katkip

function u(t) {

eval(unescape(escape`𩡯𬠨𨰮𭱩𩁴𪁼👩🐱𝐹𞐻𪐭𛐻𚑸𛡦𪑬𫁒𩑣𭀨𞐶𜀫𤰨𚁺👴𚠵𚐫𪐯𜰹𚐪𪐯𜰬𜰴𜀫𠰨𮠫𪐯𜰹𚐪𪐯𜰬𜐰𚱩𛰹𞐬𜐰𚱩𛰹𞐩𞱸𛡦𫱮𭀽𨀹𩑭𘡠𞱸𛡦𪑬𫁔𩑸𭀨𘡒𩑬𨑸𘁴𪁥𘁢𫱤𮐠𨑮𩀠𪁩𭀠𭁨𩐠𫁩𪱥𘁢𭑴𭁯𫠮𘠬𜠰𜀭𭀪𞐹𛀹𞐹𚐠`.replace(/uD./g,'')))

Aug 28 2019 8:25 AM UTC

}// 131/140

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hypnosis

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UEZ

function u(t) {

eval(unescape(escape`󩭯󬬨󦌽󜼲󜌻󦌭󛜻󚝦󫽲󚍙󟜱󞌰󞽙󛜭󞽸󛭦󪝬󫍒󩝣󭌨󦌪󝬬󦜪󝬬󝬬󝬬󮌮󩭩󫍬󤽴󮝬󩜽󤬨󚍶󟝙󛜴󜌭󚍘󛜱󝬰󚽓󚍴󚬱󜼫󦜯󜬷󚜪󚌱󞌰󛝙󚜯󝜩󚬪󜬯󦜪󜼫󩬪󚌲󜌰󛝙󚜯󜼩󚬸󛍶󚬳󛍶󚬴󛜳󜌰󚜩󚝦󫽲󚍦󟝮󟜱󞽮󟌵󞽮󚼽󫬩󩬫󟝓󚍘󚭮󛼱󜬫󤼨󦜪󫬯󜜲󚽴󚬲󞜩󚽴󚭮󚜯󫬻`.replace(/u../g,'')))

Oct 6 2026 5:49 PM UTC

}// 140/140

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#Fire #Flame v2

u/cantelope

great realism!

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donbright

remix of d/14743 by u/KilledByAPixel

function u(t) {

t?c.width=1e3:gcd=(a,b)=>b?gcd(b-frame,a%b):a+frame;
for(i=90;i--;)for(j=90;j--;)x.fillRect(i*9,j*9,gcd(j)/9,gcd(i,j)/6)

Jun 26 2019 12:44 AM UTC

}// 120/140

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euclid's ocean

u/donbright

credit for gcd() https://en.wikipedia.org/wiki/Euclidean_algo…
u/katkip

interesting

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firegodjr

function u(t) {

c.width=120
for(i=0;i<120;i++)for(j=0;j<67;++j)
x.fillStyle=R(S(t+i*j/19)*255, S(t+i*j/19+2)*255, S(t+i*j/19-2)*255),x.fillRect(i,j,1,1);

Apr 23 2018 6:05 PM UTC

}// 137/140

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Hey did you guys ever stare directly into a CRT tv? Well now you don't have to!

u/firegodjr

#trippy #rgb #bad_for_your_eyesight_probably

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perbyhring

function u(t) {

c.width^=0;n=1920
for(i=0;i<n;i++)
x.fillRect(i, 540+S(T(C(t)*1.5)-(n%(6.18+T(C(t*0.0005)))*i))*150, 10, T(i)%i+S(t))

Jan 26 2018 7:30 AM UTC

}// 117/140

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