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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Current theme challenge: #Food

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xem

remix of d/690 by u/xem

function u(t) {

i=~~(t*10);x.font="99px a";x.clearRect(0,0,9999,999),x.fillText("U+"+(1E9+i.toString(16)).slice(-6)+" = " + String.fromCodePoint(i),300,600)

Feb 20 2017 9:07 PM UTC

}// 140/140

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More info and demos: https://github.com/xem/miniUnicode

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shandriy

remix of d/32181 by u/shandriy

function u(t) {

eval(unescape(escape`󪝦󚌡󭌩󮽯󫭭󫽵󬽥󫝯󭭥󟝥󟜾󮜽󩜮󮜯󝬭󝜻󮜽󫼽󜍽󨼮󭽩󩍴󪌽󞜶󞽦󫽲󚍩󟜰󞽩󟌳󞽸󛭦󪝬󫍒󩝣󭌨󦼰󛌲󚼨󦌽󩬨󝌵󚜩󛌹󝍝󦽩󧜬󦽹󛍙󟝦󚌲󝬩󛍙󛜴󧝛󪝝󛌲󛌱󜌭󪜫󚼥󜬪󞌬󫼽󯭾󦌿󫼺󮜭󜬼󦜦󙭹󚼱󜌾󦜿󫼺󭌩󚝦󟝭󟜾󣝡󭍨󛭡󨭳󚌨󚍴󛝯󚜪󚬱󛬱󚜪󫜯󝌰󙜴󛜲󚜪󫜻`.replace(/u../g,"")))

Aug 3 2024 1:13 AM UTC

}// 139/140

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#Pong #playable with increasing difficulty

u/shandriy

Original code: if(!t){onmousemove=e=>y=e.y/6-5;y=o=0}c.width=96;for(i=0;i<3;x.fillRect([0,2+(X=f(45)),94][i],[y,Y=f(26),Y-4][i],2,10-i++%2*8,o=~~X?o:y-2<Y&&y+10>Y?o:t))f=m=>Math.abs(((t-o)**1.1)*m/40%4-2)*m
u/Joachim

Really cool
u/dabl03

It looks pretty good, how do you compile the code?
u/shandriy

I used CapJS (capjs.3d2k.com) to compress it.
u/dabl03

Thank You

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flipnow

function u(t) {

f=(p)=>{
s=S(p)
d=600/(1+s*s)
a=d*C(p)
b=d*s*C(p)
x.fillStyle=i%2?'#3567c1':'#fff'
x.fillRect(a+960,b+540,25,25)
}
for(i=100;i--;)f(t+i,i)

Apr 6 2023 7:51 PM UTC

}// 139/140

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Infinity loop

u/tomxor

Nice. I tried re-aranging this a bit: for(i=44;i--;x.fillRect(960+600*d,540+600*d*S(p),25,25))x.fillStyle=i%2?'#36c':'#fff',d=C(p=t+i)/(1+S(p)**2)

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rodrigo.siqueira

remix of d/23874 by u/rodrigo.siqueira

function u(t) {

for(i=5e4,w=960;i--;x.fillRect(w+w*X/Z,w*Y/Z/3-Z*600-3e3,8/Z/Z,t<3))r=Math.random,X=r()*16-9,Y=r()*20-9,Z=C((X*X/4+Y*Y)/(Y/2-S(X*2)))/4-6

Sep 18 2021 12:31 PM UTC

}// 137/140

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Multifold

u/rep_movsd

#art
u/donbright

amazing as always

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katkip

function u(t) {

x.font='44em"';x.fillText('❤',600,990);x.drawImage(c,370,10,800,500),x.drawImage(c,740,10,800,500),x.drawImage(c,745,360,400,200)

May 5 2019 12:44 PM UTC

}// 129/140

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Heart fractal - best on Chrome

u/katkip

#fractal

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Tekmap

remix of d/23093 by u/KilledByAPixel

function u(t) {

for(w=c.width&=j=10480;-j;99+C((X/9|.1)*(Z=t*9+T)>>2)**9*75>(Y=j/3e3*T-T+90)&T<w||x.fillRect(j%w,--j>>7,1-T/w+S(Y&Z&X)/T,T=1))X=j%w/64*++T-T

Jun 13 2021 2:48 PM UTC

}// 140/140

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1 point perspective

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taupelink

remix of d/15141 by u/taupelink

function u(t) {

X=d=e=(1+S(t))/2;x.fillStyle=R(0,X*256);for(i=1e4;i--;)x.fillRect(d*1920,e*1080,1,1),d+=([0,X,1][r=Math.random()*3|0]-d)/2,e+=("101"[r]-e)/2

Jul 25 2019 10:05 PM UTC

}// 140/140

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back to linear and three points, but the top point oscillates

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tem

remix of d/32313 by u/tem

function u(t) {

r=1+(t/2|0)*.007-(t/4|0)*.004
for(i=c.width|=2e3;i--;c.style.filter=`invert(`)x.fillRect(1e3+(j=t%2+i*r)*S(j)/2,540+j*C(j|0)/2,s=i/69,s)

Sep 24 2024 8:32 AM UTC

}// 136/140

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Cycle though the endless flow

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KilledByAPixel

function u(t) {

x.textAlign="center";for(X=0;99>X++;)x.font=99*(5+S(X+t))+"px'",x.fillStyle=R(.5*X,2*X,9*X,1),x.fillText("\u265b",X%7*300+22*S(1.5*X),15*X);

Apr 7 2019 1:21 AM UTC

}// 140/140

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Sea anemone.

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katkip

function u(t) {

t||(e=1);q=()=>[...'dwitter'][(Math.random()*7)|0];z=q()+q()+q()+q()+q()+q()+q();if(z=='dwitter'&&e){e=0;throw z}else throw z

Dec 10 2018 1:51 PM UTC

}// 125/140

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Cracking dwitter