Dweets awesomed by u/Qwitter

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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taupelink

remix of d/21451 by u/taupelink

function u(t) {

for(i=k=240;i-=10;x.fillRect(k*X,k*Y,i/t,i/t))f=i*t,Y=f*f%5,X=Y*f%8,h=C(m=C(q=C(X|0)%S(Y)*i)%S(p=C(q&Y)*i)*i)*i,x.fillStyle=R(h*q,h*m,h*p)

Jan 26 2021 7:46 PM UTC

}// 138/140

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d/21461

u/russd

♥

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jdidion

function u(t) {

c.width=900
for(i=0;i<90;i++)
x.font="75px'",x.fillStyle=`hsl(${t*i*29},30%,10%`,
x.fillText("/\\".repeat(90),-100+C(t*2+i/20)*45,i*15)

Jan 26 2021 7:26 PM UTC

}// 135/140

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u/Xen

does look nice
u/DataMeta

cool #opticalillusion

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danny@hille.dk

remix of d/21456 by u/rodrigo.siqueira

function u(t) {

f=(X,Y,n=98)=>Y*Y>n?n:f(4*X*Y-.61,Y*Y*3-X*X,n+1)
for(m=i=1080;i--;x.fillRect(i*2,t*60,2,1))x.fillStyle=R(0,K=f(i/(m*19-t),t/m),K*K,S(K/9))

Jan 26 2021 6:44 PM UTC

}// 138/140

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blue zap remix

u/Xen

nicely done
u/danny@hille.dk

#fractal

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Xen

remix of d/17628 by u/Cloud

function u(t) {

c.style.filter=`blur(19px)contrast(3)`
for(c.width|=i=1e3;i--;x.fillStyle=R(i*t%z^i,i*t%z,i))x.fillRect(1e3+1e3*S(t*i),1e3*C(t**i),z=199,z)

Jan 26 2021 5:52 PM UTC

}// 139/140

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Early Universe 1

u/danny@hille.dk

...that escalated quickly - loving it!
u/Xen

was a rather large expansion almost instantly :-O

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KilledByAPixel

function u(t) {

with(x)for(i=c.width|=c.style.filter='invert(',translate(i/2,540);i--;rotate(6))fillStyle=R(0,a=99+80*S(i*i+t),200,.2),fillRect(300,0,a,i/a)

Jan 26 2021 5:23 PM UTC

}// 140/140

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Solar Eclipse ☀️+🌑

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u/Xen

nice!
u/KilledByAPixel

#eclipse
u/danny@hille.dk

wow - that is epic!
u/danny@hille.dk

Good looking code and great visuals!
u/danny@hille.dk

good thing dwitter only allows 140 bytes, or someone would probably have done something like this:
u/danny@hille.dk

with(x)for(i=c.width|=c.style.filter='blur(.3vw)invert(',translate(1250,540);i--;rotate(1))fillStyle=R(a=99+80*S(i*i+t),a*3,255,.2),fillRect(60,0,a,i/a);x.drawImage(c,-600,-900)
u/KilledByAPixel

Thank you 😊
u/cantelope

#selfdefeat

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rodrigo.siqueira

remix of d/21453 by u/rodrigo.siqueira

function u(t) {

for(i=2e3,f=(X,Y,n=99)=>T(X-S(Y))<9?f(X*X-Y*Y,2*X*Y+.7,n-1):x.fillStyle=`hsl(${i/8},80%,${C(n)*n}%`;i--;x.fillRect(i,t*60,1,1))f(i/3e3,t/50)

Jan 26 2021 4:11 PM UTC

}// 140/140

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Shaky lines #fractal

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u/danny@hille.dk

Love it!! reminds me of a Salvador Dali painting
u/aaaaaz

crazy !
u/DataMeta

woww this is beautiful!
u/DataMeta

my new lock screen wallpaper :) #abstract #art
u/rodrigo.siqueira

I created an animated version here: https://www.shadertoy.com/view/wtGcWc it's super fast and hypnotic. View in full screen!
u/danny@hille.dk

I just saw your "Super Julia Fractal" on shadertoy it is very cool!

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Qwitter

function u(t) {

x.fillStyle="#9351";x.fillRect(0,0,m=2e3,m);T=5.495;f=1+(t%(2*T)>T)^0;D=640;A=D/(1+(t%T)**3);x.clearRect(f*D+A*C(4*t),540+A*S(4*t),25,25);

Jan 26 2021 3:06 PM UTC

}// 138/140

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Exchanging Centers

u/smtsjhr

FILL then CLEAR instead of CLEAR then FILL! thats so neat! i never thought that and find it kinda *ZEN* in philosophy idk
u/Qwitter

Agreed @smtsjhr, I picked this technique up from post d/6548 by u/41407 and employ it frequently.

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Qwitter

function u(t) {

x.globalCompositeOperation="xor";f=x=>Math.random()*1520;d=400;x.fillRect(f(),f(),d,d);for(i=9;i--;)x.clearRect(d+i*100+S(t/5)*300,d,50,200)

Jan 26 2021 2:08 PM UTC

}// 140/140

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rodrigo.siqueira

remix of d/20439 by u/rodrigo.siqueira

function u(t) {

for(i=2e3,f=(X,Y,n=120)=>T(X)<9?f(X*X-Y*Y-.8,2*X*Y+.2,n-3):x.fillStyle=`hsl(${i/8},80%,${C(n)*n}%`;i--;x.fillRect(i,t*60,1,1))f(i/3e3,t/50)

Jan 26 2021 1:52 PM UTC

}// 139/140

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Loopy spirals #fractal #julia (same fractal from previous remix, but with new coloring method)

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taupelink

remix of d/21416 by u/taupelink

function u(t) {

for(i=k=120;i--;x.fillRect(k*X,k*Y,i/t,i/t))f=i*t,X=f*f%16,Y=X*f%9,h=i*C(m=C(q=C(X|0)%S(Y)*9)%C(p=C(Y|0)*X/9)*9),x.fillStyle=R(h*p,h*q,h*m)

Jan 26 2021 1:03 AM UTC

}// 139/140

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d/21451

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