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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cagr30

function u(t) {

l=c.width+=i=0;h=400;for(;++i<200;)for(j=a=(t+C(i))%2;j++<50;)x.fillRect(l*C(i*i)+~~a*(w=a*h-h)*C(j),(C(i)*C(i)+2)+w*S(j)/13,1,1354)

Aug 1 2017 3:55 PM UTC

}// 132/140

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BNeutral

function u(t) {

w=t/1.4;s=100/t;v=80/t;x.fillStyle=R(255*S(w));x.fillRect(v*16*Math.pow(S(w),3)+960-s/2,540-s/2-v*(13*C(w)-5*C(2*w)-2*C(3*w)-C(4*w)),s,s);

Feb 24 2017 9:54 AM UTC

}// 138/140

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u/Kalanchoe

cute!
u/iverjo

#heart
u/ItzChimp

Do you have to use Math.pow here? Can't you use ** instead?

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skeletonNatte

remix of d/33441 by u/skeletonNatte

function u(t) {

!t?X=Array(n=960).fill(0):r=_=>Math.random()<.5?1:0
for(i=n;i-=2;x.fillRect(n+X[i-1],540+X[i],8,8))X[i-r()]+=r()*16-8

Mar 5 2025 8:53 PM UTC

}// 117/140

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Slightly Smaller Tumor

u/skeletonNatte

116 characters: !t?X=Array(n=960).fill(0):r=_=>~~(Math.random()*2) for(i=n;i-=2;x.fillRect(n+X[i-1],540+X[i],8,8))X[i-r()]+=r()*16-8
u/joeytwiddle

The smaller the better! #virus

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timothytomato

remix of d/29669 by u/timothytomato

function u(t) {

x.strokeStyle="#"+frame*2
x.strokeRect(1,1,1918,1e3)
onmousemove=(e)=>x.drawImage(c,e.x,e.y,1870,1030)
x.drawImage(c,0,0,1870,1030)

Mar 17 2024 10:21 PM UTC

}// 131/140

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chaos but #interactive (move mouse over canvas)

u/Xen

this makes my soul happy

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rodrigo.siqueira

remix of d/21726 by u/rodrigo.siqueira

function u(t) {

c.width=1e3
x.lineWidth=.2
for(i=2e3;i--;x.arc(500+300*C(t),282+88*S(t),i,K=i**(1.13+t/1e5)-t/9,K));x.stroke()

Mar 1 2021 1:18 PM UTC

}// 110/140

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Rotating sketch ball with inside triangle

u/danny@hille.dk

Illuminati confirmed! 😮
u/Qwitter

that is good.
u/Qwitter

smell th e flower

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DaSpider

function u(t) {

eval(unescape(escape`砮晩汬却祬攽刨〬〬〬⸰㜩㭦潲⡸⹦楬汒散琨〬〬椽㤹㤬椩㭺㴭⵩⨪⸳㭸⹦楬汓瑹汥㵒⠷㜷⤩砮獥瑔牡湳景牭⠲㔯稬〬〬㈵⽺ⰹⰱ⤬砮晩汬呥硴⡃⡩⤫ㅼ〬椥稪㤴ⱴ⬫╺⨵㐩㬻瑨牯眨怯⼻㭜屜尠䑡印楤敲怩㬻`.replace(/u(..)/g,"$1%")))

Nov 1 2019 11:13 PM UTC

}// 139/140

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Bits have been spilled this night...

u/katkip

looks good!

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Cloud

remix of d/17629 by u/Cloud

function u(t) {

for(c.width|=i=0;i++<1e2;){x.font="9em s"
x.fillText("💧",960-S(i/.6)*800,t*2080-i*300)}
x.fillStyle="blue"
x.fillRect(0,1110-t*40,1960,t*40)

Feb 18 2020 7:35 AM UTC

}// 140/140

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u/Hepka

Nice.

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KilledByAPixel

function u(t) {

for(j=98;j--;S=1e3)for(q=j%2?A=T(B=T(T=Math.random)*4-2)*3-2:X,X=A,Y=B;X*S--;q||x.fillRect(Y*450+960,X*450+740,.5,1))X=X*X-Y*Y+(Y=2*X*Y+B,A)

Apr 12 2020 5:38 AM UTC

}// 140/140

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Buddhabrot #Fractal

u/KilledByAPixel

This one takes a while. #slowdraw
u/KilledByAPixel

https://twitter.com/KilledByAPixel/status/12…
u/KilledByAPixel

#buddhabrot

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DNA

function u(t) {

c.width=1920;j=Math.PI/45;for(i=b=540;i++<630;){x.fillRect(b,b+S(t)*300,b,9);x.translate(960-960*C(j)+b*S(j),b-b*C(j)-960*S(j));x.rotate(j)}

Dec 27 2017 3:32 AM UTC

}// 140/140

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Minimizing to 140 characters was far harder than it should've been.

u/iverjo

If you look at some of the other well-golfed dweets, you'll pick up some tricks that can help in the byte-shaving process
u/iverjo

c.width+=0;for(i=b=540;i++<630;)x.fillRect(b,b+S(t)*300,b,9),x.translate(960-960*C(j=.0698)+b*S(j),b-b*C(j)-960*S(j)),x.rotate(j)

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Axioplase

remix of d/33845 by u/Axioplase

function u(t) {

c.width=1920
for(i=0;i<20;i++)x.fillRect(i*100,Math.max(0,(t%31)-6-i)*(200+(S(i)**3)),50,Math.max(0,(t%31)-i)*(200+(S(i)**3)))

May 23 2025 8:26 PM UTC

}// 126/140

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#default