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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rodrigo.siqueira

remix of d/12959 by u/rodrigo.siqueira

function u(t) {

x.fillRect(0,0,2e3,2e3)
for(var i=4e3;i=i-1;){
X=S(i)+S(K=i*.88)/2+2*S(F=2*i+t)
Y=C(i)+C(K)/2-2*C(F)
x.clearRect(960+X*130,550+Y*130,6,6)
}

Apr 6 2019 2:00 AM UTC

}// 139/140

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The Trefoil Knot. Created using a parametric equation from knot theory.

u/Qwitter

I like how the projected crossings allow you to view the height ambiguously: then, I can see this knot as not being knotted at whim.

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vinca

function u(t) {

eval(unescape(escape`景爨椠楮⁴籼⡣⹷楤瑨㵦㴹㤬砮景湴㴧㜰灸∧ⱡ㴰⤬砮晩汬呥硴⠢屵笱䘶㌱索ⰰⰷ〩Ɒ㵸⹧整䥭慧敄慴愨〬〬昬昩ⱡ㵮敷⁄慴攥㈵㔬搽瀮摡瑡⥩┴㴽愥㐦☨摛楝㵡⤻砮灵瑉浡来䑡瑡⡰ⰰⰰ⭡┹⤻`.replace(/u(..)/g,"$1%")))

Apr 5 2019 9:03 AM UTC

}// 133/140

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u/Xen

Yes!!!!
u/magna

Xen is having a hard time remixing this because it is already perfectly pyshedelic as it is.
u/magna

*psychedelic
u/vinca

for(i in t||(c.width=f=99,x.font='70px"',a=0),x.fillText("\u{1F631}",0,70),p=x.getImageData(0,0,f,f),a=new Date%255,d=p.data)i%4==a%4&&(d[i]=a);x.putImageData(p,0,0+a%9)

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MAxSaL

function u(t) {

for(i=0;i<120;i++)
x.fillRect(t*99, S(t*9)*9+i*9, 1, T(C(t)%S(i))*9);

Apr 1 2019 9:18 AM UTC

}// 70/140

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Wavey pattern

u/geb

#background

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marc8

function u(t) {

c.width|=0
with(x)for(j=3;j;j--){beginPath()
for(i=-4;i<9-C(t)*10;i+=.02)arc(a=i*99,q=-150+j*350,j*50,i-.01,i)
arc(a,q,99,i,i+6)
stroke()}

Mar 31 2019 5:06 PM UTC

}// 138/140

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Curtate, common and prolate throcoid

u/joeytwiddle

#math

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andrea270872

function u(t) {

r=_=>Math.random()
x.font=2+r()*3+"em'"
x.fillStyle='white'
for(i=7;i--;)x.fillText([...'🌱🌾🍁❄'][(t>>2)%4],r()*2e3,75+r()*1e3)

Mar 19 2019 4:57 PM UTC

}// 125/140

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Year

u/lionleaf

#seasons I'm enjoying this one!
u/DataMeta

Heh. Nice.

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tomxor

function u(t) {

c.width=384;for(i=800;i--;)"߿蠀￱衁	衂	衂	蠂ŉ蠂蠂䅉蠂␉蠂⠉蠂⠉蠂␉蠂 衂䅉衂䂉衂腉衂	衂	衂	衂￱蠁蠀߿".charCodeAt(i>>4)>>i%16&1&&x.fillRect(180+(i>>5),96|i&31,1,1)

Mar 18 2019 12:51 AM UTC

}// 140/140

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128k Sad Mac #mac #retro

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andrea270872

function u(t) {

c.onclick=e=>{Y=K}
c.width|=K=1e3
Y=t?Y:0
x.fillRect(X=t*500%2e3,9,B=50+(10<Y&Y<99)*(950<X&X<K)*99,B)
x.fillRect(K,Y?Y-=20:K,9,50)

Mar 17 2019 2:46 PM UTC

}// 130/140

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William Tell (remake of my first game on C=64) - click to shoot the black "apple"

u/katkip

#game
u/katkip

#interactive

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marc8

function u(t) {

c.width=480
z=99
for(j=-2*z;j<2*z;j++)
{k=j<-z?j+z:j>z?z-j:0
for(i=0;i<9;i++)x.fillRect(z+i*25+S(t)*75+2*k*C(t+k/z),z+j/4,12+10*k/z,1+k/z)}

Mar 15 2019 4:00 PM UTC

}// 140/140

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#default

u/Xen

nice
u/tomxor

Eery, feels like some kind of swimming creature!

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camel_case

function u(t) {

l={}
p=0.01
r+=0.007
for(i=0; i<50; i++){
p+=r*p*(1-p)
l[i%h]=p
for(j=0; j<h; j++){x.fillRect(t*120, 1080-l[j]*540, 2, 2)}
}
}
var r=0,h=6
{

Mar 14 2019 5:50 PM UTC

}// 140/140

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Logistics map with some bifurcation, still trying to figure out how to make it look pretty tho

u/artfarnaa

Nice, though I suggest provide a link to background info on what a logistics map is and what bifurcation does. We newbies need just a tad of hand holding.
u/rodrigo.siqueira

#bifurcation

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katkip

function u(t) {

for(i=999;i--;)r=Math.random()*t*3,x.fillRect(
959+S(r/3+S(r/9+S(r+t)/399)*r*2)*960,
539+S(r/2+C(r/5-C(r+t)/399)*r*2)*540,
2,2);

Mar 13 2019 12:34 PM UTC

}// 128/140

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#waitforit #abstract ink can't escape

u/Ath0r

cool!