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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lewdev

remix of d/25928 by u/lewdev

function u(t) {

c.width|=0;x.font="9cm'"
y=t*1e3;x.fillText([36e5,6e4,1e3,10].map(u=>(v=y>=u?~~(y/u):0,y%=u,v>9?v:`0`+v)).join`:`,130,600)

Apr 16 2024 12:17 AM UTC

}// 122/140

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🕰 Running timer (-18b golfed)

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Xen

remix of d/9282 by u/katkip

function u(t) {

for(i=2e3;i--;x.fillStyle=`hsla(${i/2-t*299*S(t*t)},99%,40%,.1)`)x.fillRect(i+T(Z=t*i)*4,540+540*S(i*Z),99,99);x.drawImage(c,S(t*t)*49,0)

Aug 18 2018 12:20 PM UTC

}// 137/140

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BirdsTweetCodersDweet

remix of d/10638 by u/alice-mx

function u(t) {

for(i=5;i--;)x.fillStyle=`hsl(${S(t)*99} 90%50%)`,x.fillRect(99+i*400+S((t*2)*i)*100,600+C(t*5)*100,10,10)

Oct 24 2018 12:13 PM UTC

}// 107/140

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My new (albeit very delayed) 10,000 dweets celebration dweet!

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trancor

remix of d/7905 by u/trancor

function u(t) {

w=c.width=innerWidth,t?onmousemove=e=>m=[e.x,e.y,2]:m=[w/2,w/2,1,p=[]],p.push([...m]),p.map(z=>x.fillRect(z[0]+=S(w++),z[1]-=z[2]++/9,9,9))

May 6 2018 10:12 PM UTC

}// 139/140

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Not as cool as the original, but got it below 140!

u/lionleaf

#interactive

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jellyedwards

remix of d/20959 by u/jellyedwards

function u(t) {

for(e=k=c.width|=w=60;n=--k/w|0;x.fillRect(j=k%w/12|x.rotate(k%w/1.9+R*t),S(n**j),1,1))x.setTransform(v=n%9,0,R=-R|1,R*v,e*S(m=n+t),m*v*w%e)

Dec 11 2020 5:33 PM UTC

}// 140/140

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each #snowflake spins and sways

u/KilledByAPixel

nice!
u/sigveseb

Nice snowflakes!

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Axioplase

remix of d/33704 by u/KilledByAPixel

function u(t) {

c.width=K=1920;x.translate(960,540)
for(k=K;k--;){x.fillRect(4e3,3e3-(k*.6|0)*20,-8e3,2)
x.rotate(3.141592/(3+S(t/2e4)))}

May 2 2025 9:15 PM UTC

}// 121/140

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Astray

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jpthinker

remix of d/32090 by u/jpthinker

function u(t) {

for(i=2e3;i--;)
X=t?i:0,
Y=t?X/1.8+S(i*i)*C(i)*500:0,
x.fillStyle=R(r=t?S(i/2+t)*230:0,r-C(i)*50,t?99:30),
x.fillRect(X,Y,u=t?9:2e3,u)

Jul 9 2024 12:42 PM UTC

}// 134/140

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天の川 (the milky way) twinkle

u/jpthinker

I remixed my milky way from two days ago (the actual day of the tanabata star festival!) thanks to advice from u/rodrigo.siqueira to add a t element to the red argument. I also realized I could assign variables to the result of a ternary, instead of assigning within one

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femto113

function u(t) {

c.width=1920
X=960,Y=540,P=Math.PI,N=t/P%32,p=P/N
for(i=0;i<P;i+=p)x.fillRect(X+Y*(S(i+P)-S(i))/2*S(t+i),Y+Y*(C(i+P)-C(i))/2*S(t+i),19,19)

Nov 14 2020 8:31 AM UTC

}// 138/140

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linear motion rolling circle illusion

u/katkip

#illusion
u/DataMeta

nicely done
u/pavel

If you delete c.width=1920 you can see only the first dot move linearly
u/femto113

curves are a side effect of changing N with t, if you use a fixed value like N=16 you get straight lines

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taupelink

remix of d/15517 by u/taupelink

function u(t) {

for(i=d=e=f=1e3;i--;x.fillRect(d*z,e*z,1,1))[d,e,f]=[(r=Math.random(z=99)*z|0)/5+r%3+f/(f-r%3)*C(d*f+r)/3,1+r%4+r%5+S(d*f)/f,.9**(r%5)+.5/f]

Aug 28 2019 1:16 PM UTC

}// 140/140

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d/15556

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gai

function u(t) {

c.width=1920;for(var i=10;i>0;i--){x.fillStyle=R(255/i,0,125/i);x.fillRect((960-i*25)+S(-t*3)*(i*15),(540-i*25)+C(t*3)*(i*15),i*50,i*50)}

Sep 1 2024 11:52 PM UTC

}// 137/140

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unstable tower (top view)