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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MrM@_S

remix of d/4927 by u/sigveseb

function u(t) {

c.x[t]

Jul 23 2018 3:22 AM UTC

}// 6/140

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[quest for the smallest animated dweet] 6b #golf

Show more comments…
u/MrM@_S

this showed up when I clicked on random
u/MrM@_S

referring to the previous dweet
u/joeytwiddle

Very good. We have a new record!
u/joeytwiddle

Also 6 chars: c in t and u in t t in t and ''in t and t.t[t] https://developer.mozilla.org/docs/Web/JavaS…
u/sigveseb

Well done!
u/stiaje

Sadly, it only works in Chrome. Getting TypeError: c.x is undefined in Firefox 62.
u/katkip

#record

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katkip

function u(t) {

c.width*=1
for(i=0;i<9;i++)sz=Math.abs(.3*T(t+i)),
x.fillRect(400+i*100+S(t)*300,400*sz,sz*50,sz*200)

Oct 24 2018 11:30 AM UTC

}// 101/140

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The amazing thing is that they dont touch. q

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danny@hille.dk

function u(t) {

for(c.width|=i=45,x.lineWidth=9;i--;c.style.filter='invert(')
x.beginPath(),x.arc(i%9*221+99,(i/9|0)*221+99,99,4*t+3*i,4+4*t+3*i),x.stroke()

Jul 25 2021 9:13 PM UTC

}// 140/140

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Idea from a tweet I saw some time back, can' t find the tweet now :-(

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taupelink

remix of d/23854 by u/taupelink

function u(t) {

for(i=k=170;i--;x.fillRect(k*X,k*Y,q*S(X+q/i)/t/2**t,-i*S(Y)/t))f=i*t,X=f*f%12,Y=X*f%7,x.fillStyle=R(q=i/(1-S(X)/Y),q*=.7+S(Y)/X,q^=k,k/q/q)

Sep 15 2021 5:59 PM UTC

}// 140/140

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d/23860

u/donbright

these are very cool

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Xen

remix of d/20311 by u/solendil

function u(t) {

x.fill(x.ellipse(S(t+S(5**.5*t))*99+950,C(t+S(t)*C(3.14*t))*99+500,799,599,0,t*t,!x.beginPath(x.fillStyle=`hsla(${t*99},99%,50%,.006)`)))

Oct 20 2020 4:21 PM UTC

}// 137/140

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#noloop golf and test

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magna

remix of d/22377 by u/magna

function u(t) {

eval(unescape(escape`砮晩汬却祬攽刨㤬〬㤬⸰ㄩ㭦潲⡩㴳攳㭩ⴭ㭸孠⑻琦㈿❣汥慲✺❦楬氧絒散瑠崨⵳⼲Ⱝ猯㈬猬猩⥘㵩☶㌬夽椾㸶ⱳ㵓⡴⬨堭㌲⤪⡙ⴱ㠩⼳㤩⨲〬砮獥瑔牡湳景牭⡫㵃⡁㵴⤬稽匨䄩Ⱝ稬欬堪㌰ⱙ⨳〩`.replace(/u(..)/g,"$1%")))

Apr 6 2021 10:19 PM UTC

}// 134/140

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lars-erik

remix of d/22554 by u/lars-erik

function u(t) {

t<3.8?x.fillRect(890+(t-=1.9)*200,500+((.8*t)**4-t*t-.1)*400, 15, 45):[1,0].forEach(_=>x.fill(x.ellipse(750+_*250,600,50,S(t)*20+20,0,0,7)))

Apr 19 2021 10:08 PM UTC

}// 140/140

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#Cat wakes 🐱‍💻😸

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taupelink

remix of d/22646 by u/taupelink

function u(t) {

b=120;x.globalCompositeOperation='hue';for(i=b;i--;x.fillRect(X=e*e%2e3,X*X%1e3,w=7e6/e/e>>t,w))x.fillStyle=R(e=997*t*i%b+9,e**.97,e*.8)

Apr 27 2021 5:53 PM UTC

}// 136/140

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d/22648

u/taupelink

FYI: This dweet looks different to me, depending on whether I'm viewing it on iOS/Safari or on Chromebook/Chrome. On iOS, there's more detail even in the dark areas. I'm guessing it reflects a difference in how the 'hue' is implemented, but I dunno.
u/sigveseb

Awesome! Love dweets that expose browser implementation differences like this. Looks cool too :)

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magna

remix of d/2635 by u/magna

function u(t) {

c.width|=0
x.globalCompositeOperation='xor'
for(i=55;i--;x.lineWidth=30,x.stroke())x.beginPath(),x.arc(960,540,i*20,a=t*5+i/9,a+Math.PI)

Apr 30 2017 1:31 AM UTC

}// 136/140

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u/donbright

groovy
u/magna

#spiral

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smtsjhr

remix of d/18891 by u/smtsjhr

function u(t) {

a=5
for(i=150;i--;x.fillStyle=R(w=i%2*255,w,w,.8)){d=115*(k=(1.015)**(i));
x.fillRect(960+100*S(i*(.6+.5*S(a))+2*t)*k-d/2,540-d/2,d,d)}

May 21 2020 9:22 PM UTC

}// 135/140

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set a = some const for looped pattern