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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magna

remix of d/11173 by u/magna

function u(t) {

for(i=8418,x.fillRect(0,0,2e3,2e3);i--;x.fillText('⚪',X*16-16+S(a=t*9+i/999+((X-60)**2+(Y-34)**2)**.4)*14,Y*16+C(a)*14))X=i%122,Y=i/122|0

Nov 27 2018 5:51 AM UTC

}// 137/140

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rep_movsd

function u(t) {

eval(unescape(escape`𭁼𯀨𨰮𬱴𮑬𩐮𩡩𫁴𩑲🐧𪑮𭡥𬡴𚀧𛁸𛡦𪑬𫁓𭁹𫁥🐧𘰰𜀰𜰧𛁗🐱𞐲𜀬𢀽𜐰𞀰𛁘👗𛰲𛁙👈𛰲𛁤👦🐰𛁳🐮𜐫𣑡𭁨𛡲𨑮𩁯𫐨𚐩𒡦𫱲𚁎🐵𩐳𞱎𛐭𞱤𚰽𬰪𝠮𜠸𚑸𛡦𪑬𫁒𩑣𭀨𦀽𚁘𚱃𚁦𚰽𩀩𚱗𚐥𥰬𦐽𚁙𚱓𚁦𚐫𢀩𙑈𛀱𛀱𚐊`.replace(/u../g,'')))

Jun 5 2022 3:58 PM UTC

}// 130/140

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Curlicue fractal

u/rep_movsd

Refresh for a new one

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katkip

function u(t) {

eval(unescape(escape`𭀪🐵𞱣𛡳𭁹𫁥𛡦𪑬𭁥𬠽𨁩𫡶𩑲𭀨𨀬𣀽𚁑𛁘𛁙𚐽🡻𮀮𨡥𩱩𫡐𨑴𪀨𚐻𩡯𬠨𪐽𝐻𪐭𛐻𚑸𛡡𬡣𚁘𚱓𚁑𚡩𚡩𚐪𜰰𛁙𚱃𚁑𚡩𚠪𜰩𚠵𜀫𭀥𜐵𛀰𛀰𛀰𚐻𮀮𬱴𬡯𪱥𚀩𯐊𣀨𜐫𭁼𜀬𝐰𚰨𭁼𜀩𚠵𞐥𞐹𞐬𞀰𚰨𚀨𚁴𯀰𚐪𝐹𚐯𞐹𞐩𯀰𚐪𜐵𜀩`.replace(/u../g,'')))

Oct 21 2020 1:30 PM UTC

}// 133/140

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ancient text #waitforit

u/katkip

t*=5;c.style.filter=`invert(`,L=(Q,X,Y)=>{x.beginPath();for(i=5;i--;)x.arc(X+S(Q*i*i)*30,Y+C(Q*i**3)*50+t%15,0,0,0);x.stroke()} L(1+t|0,50+(t|0)*59%999,80+((((t|0)*59)/999)|0)*150)
u/13thptr

Why did it have to be so insulting ?

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justinpchang

function u(t) {

c.width=1920;for(i=0;i<100;i+=.5)x.lineTo(S(t*i*10)*600+c.width/2,S(t*i*1)*700+c.height/2);x.stroke()

Apr 24 2018 3:08 PM UTC

}// 101/140

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Agnes

function u(t) {

W=t?W:"";
S=(Math.random() + 1).toString(36).substring(2,3+W.length)
Q=[]
for(e in c){Q.push(e)}
Q.forEach(e=>e.includes(S)?W=S:0)
throw(W)

Nov 17 2023 1:46 PM UTC

}// 139/140

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Substring explorer

u/Agnes

Every frame, this tries to find a random substring of length L that appears somewhere in the member variables of the Javascript canvas object c. If it finds a match, L is increased by one.
u/Agnes

I think this crashes if W.length gets too long but I don't think it's ever going to get much further than 5 in the lifetime of the universe so we're fine.

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katkip

function u(t) {

c.style.filter=`invert(6969)`,x.fillStyle=R(-420,6969,6969),x.fillRect(-69,t*1337,2*1337,69)

Jun 14 2020 5:23 PM UTC

}// 92/140

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#redchallenge

u/katkip

stupid code

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ellisk1

remix of d/10896 by u/ellisk1

function u(t) {

with(x)for(j=1e3;j--;fill(arc(2e3*C(a+t/j*99),1e3*S(a/2+t),j*(C(j+t)+2)/9,0,7)))fillStyle=`hsl(${a=j*j} 69%30%`,beginPath(globalAlpha=.01)

Nov 9 2018 3:19 AM UTC

}// 138/140

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u/anotherkitten

aurora borealis? at this time of day?
u/DataMeta

Smooth

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gogoprog

function u(t) {

c.width=1920;var r=400*t/2%128;for(i=0;i<19;i++){rs=(400*t/2/128|0)+i;var o=99*S(rs++),a=128+100*(o-=0|o);x.fillRect(128*i-r,700-a,72,a)}

Jun 24 2021 8:33 PM UTC

}// 137/140

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buildings background layer

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username

remix of d/12129 by u/rodrigo.siqueira

function u(t) {

X=Y=0
for(c.width|=i=1e3;i--;X=X*C(2*(t+Y))+Y/4,Y=C(2*X+Y+t/3)-S(i+X+t)/3)x.fillRect(1e3+X*742,521+Y*338,5,5)

Feb 8 2019 11:27 PM UTC

}// 109/140

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#golfed

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jylikangas

function u(t) {

c.width=200
for(i=2;i--;x.lineTo(X+3,Y>71?Y:71))Y=S(t*3+i*3.14)*60,x[f='fillRect'](X=50+i*99,Y=Y>9?89:80+Y,6,-9)
x.stroke()
x[f](98,75,9,20)

Apr 11 2018 3:13 PM UTC

}// 140/140

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Seesaw

u/jylikangas

Feel free to remix with emojis :)
u/magna

Added emojis, sound and parallax background: d/7633
u/jylikangas

c.width=200 for(i=2;i--;x.lineTo(X+3,Y>71?Y:71))Y=S(t*3+i*3.14)*60,x[f='fillText']('🕺',X=50+i*99,Y=Y>9?89:80+Y) x.stroke() x[f]('🎩',99,88,9)
u/iverjo

#bounce