Top dweets of all time

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.

Try the new frontend: beta.dwitter.net
Current theme challenge: #Food

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Xen

remix of d/17760 by u/Cloud

function u(t) {

for(i=455;i--;x.fillRect(i,S(z/i*t)*975,i*4,i))x.fillStyle=R(t%i,z=C(i*t)*i,z%i^i)

Feb 26 2020 10:29 PM UTC

}// 82/140

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#Matrix4 "do not focus upon false truths"

u/katkip

#xweet

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ElisionFR

remix of d/17750 by u/ElisionFR

function u(t) {

if(!t)R=[]
onmousemove=(e,d=t,o=Math.random()*6.28)=>R.push(l=>[e.x+C(o)*(l-d)*9,e.y+S(o)*(l-d)*9])
R.map(v=>x.fillRect(...v(t),1,1))

Feb 26 2020 8:15 AM UTC

}// 133/140

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New particle system (fullscreen only)

u/ElisionFR

#grow
u/13thptr

#growth

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BriSeven

remix of d/3559 by u/BriSeven

function u(t) {

if(!t)d=[];Y=X=t*20;for(i=0;i<1e3;i++) D=(d[i]||1),d[i]=D+S(D*t*i)/9, x.fillRect(X+=C(d[i]), Y+=S(d[i])*9, 5, 5);x.fillStyle=R(S(t)*i/4)

Feb 26 2020 4:44 AM UTC

}// 136/140

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Strata #growth #random

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rodrigo.siqueira

function u(t) {

x.globalAlpha=.1;x.fillRect(0,0,2e3,2e3)
for(X=-5;X<5;X=X+.01)
ψ=(1-X**2)*2**-(X**2),
x.clearRect((X+5)*192,540-ψ*500*S(S(t*5)**9),5,5)

Feb 25 2020 2:32 AM UTC

}// 135/140

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Morlet wavelet (The Mexican hat), variation from the one in "Wavelet basics" tutorial. I'm starting to play with #wavelet

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Xen

remix of d/17734 by u/lulasz

function u(t) {

with(x)beginPath(strokeStyle=`hsl(${t*69},99%,50%,.1)`),arc(960+C(t*9)*203,540+S(t*9)*200,300,lineWidth=2,9),stroke()/Donut

Feb 24 2020 5:43 PM UTC

}// 123/140

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Rainbow Donut2: ReDweetered - Shoutz 2 lulasz

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New_Core

remix of d/17718 by u/yonatan

function u(t) {

for(c.width|=k=i=960;i--;x.strokeRect(k-i+i/3*S(t+k/i/2),540-i+i/9*C(t+k/i/3),i*2,i*2))x.setLineDash([t+k/i&1?i/2:i])

Feb 24 2020 2:01 PM UTC

}// 117/140

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imagin walking in that corridor

u/lulasz

Love it

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lulasz

function u(t) {

x.fillStyle = R(255-C(t)*128,64+S(t)*128,128+S(t)*128);
for(i=0;i<t;i++)
x.fillRect(t*99,c.height/2+C(t*9)*S(t)*190,5,99)

Feb 24 2020 11:58 AM UTC

}// 126/140

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Life

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salvo

remix of d/17561 by u/pavel

function u(t) {

for(c.width|=j=21,x.scale(5,5),x.lineJoin="round";j--;)for(i=26;i--;)x.arc(192,108,1.3**(r=j+i%2+t%2),a=(i+j)%24/3.8197+C(t)/2,a);x.stroke()

Feb 21 2020 12:17 AM UTC

}// 140/140

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Xen

remix of d/17684 by u/New_Core

function u(t) {

t?a=z=>Math.random()*8-4:Y=[X=[]]
for(Y[i=~~t]=X[i]=0;i--;)x.fillRect(960+(X[i]+=a(Y[i]+=a(x.fillStyle="#"+i*9))),540+Y[i],4,4)

Feb 20 2020 6:27 PM UTC

}// 127/140

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slight golf and color play

u/rodrigo.siqueira

Bacteria colony #growth in a Petri dish: Paenibacillus dendritiformis is a bacteria colony that have social intelligence, intricate communication capabilities with complex linguistics, inheritable colonial memory and more.

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Layl

function u(t) {

w=1920;!t?0:x.fillRect(0,0,w,w);x.fillStyle='#00FFAA';x.fillRect((t*400)%w,540+(S(t*3))*99,9,9);x.fillStyle='#00000010';x.fillRect(0,0,w,w);

Feb 18 2020 5:17 PM UTC

}// 140/140

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Wave2

u/rnbw

word of advice: when you're using the # format for colors, if you put only three or four digits it'll interpret as #RRGGBB(AA)
u/rnbw

that... wasn't supposed to be a tag. but ok!!
u/Layl

Thanks, i noticed that a bit later :)