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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katkip

remix of d/16757 by u/katkip

function u(t) {

t||(X=960,Y=540,A=0);x.fillRect(X+=S(A+=X*Y/9)*9,Y+=C(A)*9,9,9)

Nov 29 2019 12:42 PM UTC

}// 63/140

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63 bytes

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katkip

function u(t) {

t||(X=960,Y=540,A=0);x.fillRect(X+=S(A+=X/9+Y/3)*10,Y+=C(A)*10,9,9)

Nov 29 2019 12:39 PM UTC

}// 67/140

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shortest deterministicly-random walker?

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LimeLaser

function u(t) {

with(x){globalAlpha=.007
fillStyle="#fff"
fillRect(0,0,2e3,2e3)
fillStyle=R()
r=Math.random
for(i=187;i--;)fillRect(1820*r(),980*r(),99,99)}

Nov 27 2019 10:45 PM UTC

}// 140/140

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Fragile, Morphing Fabric (or Paint To Cover Graffiti)

u/Xen

very cool idea
u/Xen

(not graffiti part, thats art)
u/LimeLaser

Sorry, I meant that as a description. My friend said it reminded him of those single-color rectangles of paint they cover graffiti with. I don't know the name for them.

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andrea270872

function u(t) {

c.width|=F=[x=>x,x=>1-x*x,x=>x*(1-x),x=>(1-x)**2,x=>1-x+x*x]
for(i=0;i<1;i+=.001)x.fillRect(300+i*1e3,F[k=~~t%5](i)*1e3,F[k](i)*99,1)

Nov 25 2019 10:43 AM UTC

}// 133/140

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animation with easing functions

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katkip

function u(t) {

t||(z=17e2);for(i=99;i--;)parent.postMessage({'type':'error','error':"katkip <3",'location':`https://dweet.dwitter.net/id/${--z}`},"*")

Nov 24 2019 3:26 PM UTC

}// 135/140

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Xen

remix of d/7326 by u/DirtyDan

function u(t) {

for(c.width|=h=8;h--;)for(i=1e3;i--;x.lineTo(i*2,543+(i%2<1?z:-z)))z=S(t**t/i*h)*543*h*S(t+h)
x.stroke()

Nov 23 2019 6:30 PM UTC

}// 105/140

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https://www.youtube.com/watch?v=NKTpWi5itOM

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katkip

function u(t) {

eval(unescape(escape`𪑦𚀡𭀩𮱑👛𧐻𩡯𬠨𪐽𞐻𪐭𛐻𚑑𛡰𭑳𪀨𮱘𞠱𜀰𚱩𚠹𜀬𥠺𤰨𪐪𪐩𚠱𜁽𚑽𞱦𫱲𚁯𘁩𫠠𤐩𮱺👑𦱯𧐬𮀮𩡩𫁬𤡥𨱴𚁺𛡘𚰽𮠮𥠬𭀪𜠰𜀬𝐰𛀳𚐻𩡯𬠨𦠠𫱦𘁑𚑩𩠨𮠮𦀾𦠮𦀫𝐰𯁼𮠮𦀾𦠮𦀭𝐰𚑚𛡖𚠽𛐱𛁺𛡖𚠽𛐱𯐠`.replace(/uD./g,'')))

Nov 23 2019 6:18 PM UTC

}// 125/140

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just an experiment

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asciislinger

function u(t) {

for(i=0;i<4;i++)
x.fillRect(300+i*330,200+(i%2)*30,296,800)

Nov 22 2019 12:16 PM UTC

}// 59/140

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We're gonna rise above!

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username

function u(t) {

x.rotate(.1)
for(i=19;i--;x.fillStyle=`hsl(${9*t*T(t*i)*C(i)+i*S(t*i)*T(i*i)},99%,50%`)x.fillRect(i*99+S(t)*300,400,50,(i-9)*i*9+C(t*99)*99)

Nov 22 2019 12:02 AM UTC

}// 140/140

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hapy

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tactical_retard

remix of d/16679 by u/DataMeta

function u(t) {

x.fillRect(960+C(T(t))*2000*T(S(t)*T(t)),540+320*S(Math.PI*t),S(t)*50,5);x.fillStyle=R(T(t)*150)

Nov 20 2019 12:20 PM UTC

}// 96/140

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space war