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.

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Current theme challenge: #Food

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Blacklink

remix of d/15790 by u/Blacklink

function u(t) {

c.width|=0
s=.001
a=-9.5*C(.2*t)+10.5
for(var r=-3.14;r<3.14;r+=s){
x.fillRect(500*S(r+C(a*r))+980,500*C(r+S(a*r))+540,9,9)}

Sep 24 2019 7:48 AM UTC

}// 124/140

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Slow version of the other one.

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KilledByAPixel

remix of d/15778 by u/KilledByAPixel

function u(t) {

for(I=O="";Q="𠒃񁔇񢖋񓗍񐇯򐃑񐙒򴵅򹋖񕷘󋢙򒭘󅪻󅮛󭫝򕠀".charCodeAt(I/2);O+=";for(c.width|=9-)xlRe40+*S3,52"[Q>>I++%2*5&31]);eval(O)

Sep 23 2019 7:22 PM UTC

}// 107/140

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4-1 compressed #default

u/tomxor

Reduced character set encoding :P I was literally thinking to do the same thing, also this is how some SMS txt compression standards work apparently.

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username

remix of d/15492 by u/username

function u(t) {

t=(t+9)*t
eval(unescape(escape`朽挮睩摴桞㴰㭦潲⡪㴴㭪ⴭ㬩景爨椽朻ⴭ椻砮晩汬剥捴⡩ⰵ㐰⵷⼲⭓⡩⼴㌩⨹⬨焽㤶〭椩⼲⨨焾㸳ㄩ⨪椬㈬眩⥷㴮㐪⨨椯㤹⴨琫権⨶┲㜫㔩⨪㈪ㄶㄫ㤬砮晩汬却祬攽恨獬⠤筩⼶紬㘸┬㔰╠`.replace(/u(..)/g,"$1%")))

Sep 20 2019 5:42 PM UTC

}// 140/140

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rodrigo.siqueira

remix of d/15732 by u/KilledByAPixel

function u(t) {

for(j=15;j--;)for(Z=i=96;i--;x.fillStyle=`hsl(${i-t*99} 60%${j*3+Y/11}%`,x.fillRect(X,Y,9*j*S(t),35))X=i*20,Y=T(X+t)*600

Sep 19 2019 10:26 PM UTC

}// 120/140

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Raining Rainbow

u/KilledByAPixel

👍

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katkip

remix of d/15732 by u/KilledByAPixel

function u(t) {

eval(unescape(escape`𩡯𬠨𪠽𜐸𞱪𛐭𞰩𩡯𬠨𦠽𪐽𜐵𝠻𪐭𛐻𮀮𩡩𫁬𤡥𨱴𚁩𙐱𝰪𦠫𢠬𦐪𦠫𢠬𞐪𪠬𞐪𪠩𚑱👓𚁓𚁩𚡩𚐪𭀪𞐩𛁊🐨𪠪𜠭𦠫𬐩𚡔𚁩𚱴𛰹𚐬𦐽𪐯𜐷𛁸𛡦𪑬𫁓𭁹𫁥👠𪁳𫀨𙁻𪐪𪠭𭀪𞐹𯐠𝠰𙐤𮱓𚁪𛰸𚱴𚠹𚱪𛰵𚐪𝐰𯐥𨀠`.replace(/uD./g,'')))

Sep 19 2019 2:13 PM UTC

}// 125/140

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jlidbeck

function u(t) {

with(Math)for(i=c.width=1e3;i-=20;)for(j=600;j-=20;)m=i-t*99,n=j-249,u=5*atan2(m,n),v=log(m*m+n*n)*5,z=46-v+7*C(u+v-t*5),x.fillRect(i,j,z,z)

Sep 13 2019 2:43 AM UTC

}// 140/140

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Gravity Waves

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Sny_de_Treves

function u(t) {

c.width=1920
for(i=0;i<6;i++){
a=100*(S(i+5*t)+C(i+5*t));
x.arc(1000+S(t*i)*a,500+C(t*i)*a,50,0,2*Math.PI);x.stroke();
}

Sep 8 2019 8:26 PM UTC

}// 120/140

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#juggling

u/joeytwiddle

Every day I'm jugglin'

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ilosaske

function u(t) {

c.width=1920
for(i=0;i<96;i++){
n = S((t+i)*2)
x.fillStyle = R(255-n*255,n*255,2.65*i,Math.abs(n)*i/96)
x.fillRect(i*20,540,20,n*150)
}

Sep 7 2019 10:19 PM UTC

}// 135/140

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katkip

function u(t) {

fs=0;
t||(X=Y=0);c.onmousemove=e=>{X=e.x/(Z=(fs?1:0.295)),Y=e.y/Z};x.beginPath(),x.fillStyle="#0002",x.arc(X,Y,10,0,7),x.fill();

Sep 5 2019 9:51 AM UTC

}// 128/140

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Precise paint. If you want to use it on fullscreen, change fs to 1

u/katkip

^ edit: isn't precise when fs=1
u/Fime

On mobile, at least in opera touch there is always an offset in dweets which use mousemove

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mildlybean

function u(t) {

w=[[99,30,8],[3,50,1],[6,9,-1]];for(c.width|=i=1919;i--;x.fillRect(i,540+y,15,15))y=0,w.forEach(function(m){y+=m[1]*S(t*m[2]+i*m[0]/305)*5})

Sep 2 2019 7:38 PM UTC

}// 140/140

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Sum of three sine waves. By modifying w, you can try any combination of sine waves.

u/mildlybean

w=[[3,25,3],[6,25,2],[9,25,1]] is cool
u/mildlybean

So is w=[[4,20,-2],[2,40,2]]