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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Axioplase

function u(t) {

c.width=k=1e3;z=10;for(j=0;j<k;j+=z)for(i=0;i<k;i+=z)w=i*C(j*t),v=i*z+j*z/k*S(t+i/300),x.fillText(String.fromCharCode(3e3*(v&z)+(w&z)),i,j)

Jan 18 2018 4:24 AM UTC

}// 139/140

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cantelope

function u(t) {

for(x.fillRect(0,0,i=2e4,i);i--;x.clearRect(960+S(l+=t)*S(q=i%2<.5?n:3.2-n)/(Z=C(l)*S(q)+1)*(h=540),h+C(q)/Z*h,4,4))n=((l=i**.9)%1)**.5*1.6

Aug 22 2025 6:00 PM UTC

}// 139/140

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no Math.random

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MatthieuLemoine

function u(t) {

c.width=1920
s=999*t%1500
o=200
t=x.fillText.bind(x)
x.font="190px A"
for(i=0;i<900;i+=150){t('→',s,o+i)
t('🏹',0,o+i)
t('🚶',1600,o+i)}

Dec 27 2017 4:06 PM UTC

}// 134/140

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rodrigo.siqueira

remix of d/29549 by u/rodrigo.siqueira

function u(t) {

for(a=b=t,i=1e4;i--;b+=C(a*3)/4-a*b/2,a+=r/4+b*S(a*2)/3-a/6)i&8?r=i/b&1:c.style='filter:invert()sepia(',x.fillRect(b*1e3+850,a*2e3-330,.1,1)

Feb 25 2024 7:31 PM UTC

}// 140/140

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Brush strokes spiral #spiral

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katkip

function u(t) {

t||(z=".");fetch(`/id/${Math.floor(Math.random()*16000)}`).then(f=c=>{c.text().then(q=t=>{z=t.split`u(t)`[2].split`var src`[0]})});throw z

Nov 14 2019 3:45 PM UTC

}// 138/140

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Random dweet roulette. scroll down to pause demo and see the throw

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travisdoesmath

function u(t) {

for(i=0;i<300;i++){x.fillStyle=R((i)%255,(i)%255,(i+20*t)%255);x.fillRect(960-i/9*S(i+t)*30-i/2,540+i/9*C(i+t)*30-i/2,i,i)}

Dec 30 2017 5:38 AM UTC

}// 123/140

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function u(t) {

s=70;w=c.width/s;h=c.height/s;r=Math.random;
for(i=1e2;i--;){
x.fillStyle=R(128*r(),128*r(),255*r(),r());
x.fillRect(r()*w*s,r()*h*s,s,s);
}

Jul 21 2020 2:43 AM UTC

}// 140/140

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pixels

u/Billedluh

This is very impressionist
u/IV

now you mention it, Monet would call it colourful! Thanks for inspiring a theme :)

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E-Mouse

remix of d/8390 by u/E-Mouse

function u(t) {

for(c.width|=i=2e3;i--;)x.fillRect(S(t*3+i/15)*i+960,C(t*2+i/15)*i+540,W=i/25,W)

Jun 4 2018 1:37 PM UTC

}// 80/140

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Which way is it spinning? #illusion

u/katkip

Both

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f8f82804

remix of d/11786 by u/joeytwiddle

function u(t) {

(p=(H,X=0,Y=0,I=H)=>H>1?[0,1,2,3].map(i=>p(h=H/2,X+i%2*h,Y+h*(i>1),I+T(++t))):x.fillRect(8*X,8*Y,8,8,x.fillStyle=`hsl(${I} 95%50%`))(256)

Jan 16 2019 6:40 AM UTC

}// 137/140

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#hue #fractal #slow

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Xen

remix of d/15926 by u/Irratix

function u(t) {

for(c.width=i=frame%2e3;i--;x.lineTo(i+i*S(4.2*i-t)*C(t/i),i+i*C(2.1*i-t)*S(t/i)));x.stroke()

Oct 4 2019 4:19 PM UTC

}// 93/140

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Slight Xen Tweak

u/Xen

#waitforit