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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rodrigo.siqueira

function u(t) {

for(i=50;i--;)
x.fillRect(t*260, i*50+50*S(S(i/9)*5+6*S(t+i/9)),5,5)

Oct 24 2018 9:17 PM UTC

}// 69/140

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Wireframe surface

u/lionleaf

#landscape #wireframe I like it! And just 69 characters too
u/aleamb

great!

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poetaster

remix of d/20453 by u/ciaccodavide

function u(t) {

c.width|=1
x.font=`${99+90*S(t)}px arial`
for(i=0;i<36;i++)
x.fillText('◍',i*70+(i-10)*35-669,(i-10)*70+S(t+(i-10)/10)*10*(i-10))

Oct 19 2023 6:38 PM UTC

}// 129/140

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splurge, retreat.

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louis1001

function u(t) {

m=S(t)
for(i=0;i<=360;i+=((m+1)*5)|2){
r=20+(m+1)*300
w=C(i+t%5)*r
h=S(i+t%5)*r
x.fillRect(960+w, 540+h, 2, 2)
}

Jul 30 2019 7:25 PM UTC

}// 112/140

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First attempt at a dweet.

u/katkip

Nice
u/chenliang

oh,my god!

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rodrigo.siqueira

remix of d/23159 by u/rodrigo.siqueira

function u(t) {

for(a=b=i=2e4;i--;x.fillRect(960+230*a,565+290*b,.1,t<2))
S(r=i**8)>0?(a=S(i**3)*3,b=C(r*t)*3):b=C(a)-(a=a/3-S(b)*1.2)/4
x.fillStyle=R(99)

Jun 28 2021 1:33 PM UTC

}// 138/140

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Hassan Massoudy style

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admtal

function u(t) {

with(x)m=()=>Math.random()*S(t)*500,beginPath(),h=(e,f,g)=>{moveTo(e,f),e+=m(),f+=m(),lineTo(e,f),stroke()
if(g!=0)h(e,f,g-1)},h(960,540,10)

Oct 15 2018 12:07 AM UTC

}// 140/140

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Corners

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f8f82804

remix of d/12681 by u/f8f82804

function u(t) {

eval(unescape(escape`景爨椽ㅥ㐻椭ⴻ砮灵瑉浡来䑡瑡⠮⸮畛稽椥㉥㍝㴨畛穝籼孮敷⁉浡来䑡瑡⡕楮琸䍬慭灥摁牲慹⹯昨稯㠬〬戽爨⤪㈵㔬㈵㔩ⰱ⤬稬截㑝⤮浡瀨⡶ⱪ⤽㹪㽶⬲ⴴ⩲⠩㩶⤩⥲㵍慴栮牡湤潭`.replace(/u(..)/g,"$1%")))

Mar 7 2019 6:52 PM UTC

}// 127/140

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I see a 3x speedup using putImageData over fillRect

u/f8f82804

for(i=1e4;i--;x.putImageData(...u[z=i%2e3]=(u[z]||[new ImageData(Uint8ClampedArray.of(z/8,0,b=r()*255,255),1),z,b*4]).map((v,j)=>j?v+2-4*r():v)))r=Math.random

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Xen

remix of d/2180 by u/aemkei

function u(t) {

for(i=W=c.width=2e3;i--;x.fillRect(W*(T(i)+s*t)%W,540+i*S(s*W),9,9))s=69/i

Jul 16 2017 7:51 PM UTC

}// 74/140

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u/innovati

entering hyperspace! 🚀✨
u/Xen

Destination: Terror!

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contone

function u(t) {

x.transform(90,0,0,99,600,210)
x.lineCap='round'
x.stroke(p=new Path2D([...'M00Q2240C440400zM21V7M43V7M63V7M70Q8081V7M23H8M24H8'].join` `))

Apr 13 2021 4:26 PM UTC

}// 139/140

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u/danny@hille.dk

Love it :-)
u/Volfegan

bad #cat

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Xen

remix of d/31683 by u/rodrigo.siqueira

function u(t) {

c.style.background=`navy`
for(i=2e3;i--;x.fillRect(888+i*S(i/200+t),258+C(t+i/69)*128+i/3,2,9))
x.fillStyle=R(S(t)*i,i%299,i,.4)

Apr 30 2024 4:57 PM UTC

}// 128/140

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quick Play.

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KilledByAPixel

remix of d/15963 by u/KilledByAPixel

function u(t) {

for(k=960,i=c.width|=0;z=--i/9;x.lineWidth=9)x.arc(k-z*C(j=i/k+t/4)*6,540-z*S(j)*4,(C(i/99+t)+1)*3e3/z,m=k*((i**.7)/k*9+t/9)/9,m)
x.stroke()

Oct 8 2019 5:16 PM UTC

}// 140/140

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Bubble Spring