Dweets awesomed by u/joeytwiddle

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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DazeWare

remix of d/26573 by u/Kopissimooo

function u(t) {

c.width=1920
for(i=-3.5;i<9;i++)
for(j=-3.5;j<9;j++){
x.lineWidth = 5+t;
x.beginPath()
x.arc(1920*i,1080*j,100*(t%10)*2,0,7)
x.stroke()}

Dec 6 2022 4:48 PM UTC

}// 137/140

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Kopissimooo

function u(t) {

c.width=1920
for(i=-3.5;i<5;i++)
for(j=-3.5;j<5;j++){
x.beginPath()
x.arc(1920*i,1080*j,100*(t%10)**2,0,6.29)
x.stroke()}

Dec 6 2022 8:26 AM UTC

}// 122/140

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Kopissimooo

function u(t) {

c.width=1920
b=10
h=1920+2*b
v=1080+2*b
for(i=0;i<9999;i+=1)
x.fillRect(h/2*(1+S(i)+t*(2+S(i*i)))%h-b,(v/2*(1+S(i**3)+t*S(i**4)))%v-b,b,b)

Dec 5 2022 11:24 PM UTC

}// 138/140

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taupelink

remix of d/26524 by u/taupelink

function u(t) {

eval(unescape(escape`景爨椽ㄶ〬欽ㄲ㠻椭ⴾ欻砮晩汬⠩⥤㴳〪⩴ⱸ⹢敧楮偡瑨⡸⹦楬汓瑹汥㵒⡫⭩⩃⡺㵩⩩⤪匨琩⩴Ⱬ⭩⩓⡺⤪匨琩⩴Ⱬ⭩⩃⡴⤪琬稯搯搩⤬砮慲挨椥㠪㈸〫椪䌨稫㵴⼲⤬⡩㸾㌩┵⨲㠰⭩⩓⡺⤬椯琬稬稫㘭琩`.replace(/u([^D].)/g,'$1%')))

Dec 3 2022 8:59 PM UTC

}// 140/140

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d/26557 abstract with lava lamp/Voronoi-like patterns

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joeytwiddle

remix of d/16668 by u/joeytwiddle

function u(t) {

for(c.width=X=110;X--;)for(Y=68;T[7]=X/3,T[6]=Y/3,Y--;)for(l=6;x.fillRect(X,Y,s=T[0],s),l--;T[l]=S(v))for(v=n=l;n++<7;)v+=S(l+5*t/n)*T[n]

Nov 23 2022 2:16 PM UTC

}// 137/140

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A minor remix, since Firefox got faster

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rodrigo.siqueira

remix of d/26492 by u/rodrigo.siqueira

function u(t) {

x.fillRect(0,0,2e3,2e3)
for(Z=Y=i=-1;i<1;i=i+.001)
X=i*4.5+S(Z/52)/5,
Y=4*C(i*Y-2),
Z=(8+Y*S(3*i+t))*60,
x.clearRect(980+150*X,Z+Y,2,5)

Nov 21 2022 3:38 PM UTC

}// 135/140

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Liquid #bifurcation

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magna

function u(t) {

x.beginPath()
x.arc(960,540,99,a=Math.random()*7,a+.5)
x.strokeStyle=R(v=S(t)*255,v,v)
x.stroke()
x.drawImage(c,9,5,1902,1070,0,0,1920,1080)

Nov 21 2022 3:25 AM UTC

}// 140/140

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u/New_Core

I like these effects.. here is my old once d/508 d/509
u/magna

u/New_Core nice!

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rodrigo.siqueira

remix of d/18274 by u/rodrigo.siqueira

function u(t) {

c.style.filter=`invert(`
for(Y=X=j=7e3;j--;j%99||(T=Y=S(j*t)*2,R=X=C(Y)))Y=Y*Y-X*X+(X=X*Y/5+R,T),x.fillRect(1300-X*1200,Y*299+650,.5,t<6)

Nov 12 2022 11:52 PM UTC

}// 137/140

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I was trying to remix the Buddhabrot but got the #Bifurcation Diagram instead.

u/joeytwiddle

Sometimes mistakes are the most fun

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Inkbox

function u(t) {

p=["☀️","🌑","🪐","🌎","☄️"]
W=1920
x.fillRect(0,0,W,W)
x.font="4em'"
for(i=0;i<5;i++)x.fillText(p[i],i*99*C(t/(i+1))+W/2,i*99*S(t/(i+1))+540)

Nov 11 2022 1:13 PM UTC

}// 139/140

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Solar System

u/tomxor

very cute
u/DaSpider

astronomically innacurate
u/andrea270872

nice

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Odog8

function u(t) {

t?a+=C(a*(t)/3):a=3
x.fillRect(100*t,a*50,5,5)

Nov 7 2022 6:19 PM UTC

}// 46/140

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Sinosuidal bifurctation diagram. Not quite sure what to make of it.

u/Odog8

it seems to happen with any nonzero positive number

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