Top dweets by u/rodrigo.siqueira

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: #Opposites

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rodrigo.siqueira

remix of d/25266 by u/rodrigo.siqueira

function u(t) {

for(X=2e3;X--;x.fillRect(X,S(X*t)*1e3,K=9/t+1,K)){i=a=X/2e3-1,b=S(X*t)/3
do{d=a*a-b*b-.7,b=2*a*b+.35,a=d,i++}while(a)x.fillStyle=R(0,i,i*2)}

Apr 3 2022 9:22 PM UTC

}// 140/140

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Ice crystal flakes reflected in the blue lake #fractal

u/magna

Awesome!

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rodrigo.siqueira

remix of d/25076 by u/rodrigo.siqueira

function u(t) {

with(x)for(i=999;i--;fillRect(~setTransform(s=1e4/i/t,0,0,s,985+5*s*C(F=i*S(i)),390+i*t+s*S(F)*4),-2,G=2/t/t,G))fillStyle=R(i/2,i,i/t,.1)

Mar 9 2022 10:25 PM UTC

}// 137/140

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Green uranium glass

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rodrigo.siqueira

remix of d/24924 by u/rodrigo.siqueira

function u(t) {

with(x)for(i=999;i--;fillRect(~setTransform(s=1e4/i/t,0,0,s,965+5*s*C(F=T(i/t)),390+t*i/5+s*S(F)*3),S(i),G=.4/t,G))fillStyle=R(i,i/2,i/t,.3)

Mar 4 2022 2:55 AM UTC

}// 140/140

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Vortex of Singularity

u/e4494s

WOW!

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rodrigo.siqueira

remix of d/24913 by u/rodrigo.siqueira

function u(t) {

with(x)for(i=999;i--;fillRect(~setTransform(s=1e4/i/t,0,0,s,960+5*s*C(F=i+t/4),540+s*S(F)*3),C(i/5)*2,G=.4/t,G))fillStyle=R(i/2,i/3,i,.1)

Feb 14 2022 12:00 PM UTC

}// 137/140

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Vortex filaments into the purple spiral #spiral

u/joeytwiddle

The arms of an alien monster reaching for the Milky Way

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rodrigo.siqueira

remix of d/24391 by u/taupelink

function u(t) {

for(m=1e4;m--;x.fillRect(960*X,540*Y,i,-m/960/Y))X=1+S(m+t/16),Y=1+S(m*m+X),x.fillStyle=R(i=m%99,i*=Y*X/5+Y,i*=Y,a=1-Y/2)

Nov 29 2021 6:05 PM UTC

}// 121/140

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Liquid interactions

u/taupelink

wow!
u/nerkraof

uau, muito bom

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rodrigo.siqueira

remix of d/23327 by u/danny@hille.dk

function u(t) {

for(X=c.width=99;X--;)for(Y=99;Y--;x.fillRect(Y,55-X,1,1))
o=255-X*Math.hypot(X-50+t**2,Y-8*t),s=C(t*5-Y/12)/9-.4,x.fillStyle=R(-o/s,o)

Jul 14 2021 7:29 PM UTC

}// 135/140

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When Mercury falls into the sun #sun

u/danny@hille.dk

I love it!
u/danny@hille.dk

you can kinda make it a perfect loop by prepending t%=9; or for a more dramatic effect: t=T(t/3);
u/magna

Blobular!
u/rep_movsd

Eerie

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rodrigo.siqueira

remix of d/22870 by u/rodrigo.siqueira

function u(t) {

Y=c.width|=c.style.filter=`invert(.1`
for(X=960;X--;x.lineWidth=3)
x.lineTo(460+X+C(Y)*S(t)*88,Y=540+S(X)%C(X)*300**C(X/200-t))
x.stroke()

May 27 2021 1:40 PM UTC

}// 138/140

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Spatiotemporal evolution of soliton pulse formation #wave

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rodrigo.siqueira

remix of d/21602 by u/Pascal

function u(t) {

f=(X,Y,n=100)=>T(S(X)+S(Y))<9&&n>0?f(X*X-Y*Y-1.5,2*X*Y,n-3):n/80
for(i=1080;i--;)x.fillRect(X=t*120,1080-i,2,(1-f(X/9e3+.1,i/9e3)**2)**2)

Feb 5 2021 5:44 PM UTC

}// 137/140

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Bubbles from deep sea

u/tomxor

omg #underwater #bubbles !
u/ciaccodavide

The forest of a thousand moons

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rodrigo.siqueira

remix of d/20812 by u/rodrigo.siqueira

function u(t) {

for(i=2e3,c.width|=f=g=>i*S(i/999-t)*g(i*i);i--;x.fillRect(960+f(S),540+f(C),5,5))x.fillStyle=`hsl(${i/6},80%,50%`,c.style='filter:invert('

Dec 31 2020 9:46 PM UTC

}// 139/140

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Color explosion

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rodrigo.siqueira

remix of d/19876 by u/rodrigo.siqueira

function u(t) {

for(c.width|=i=350;i--;x.fill(x.arc(960+940*C(a=i/2)*(k=.99**i),540+540*T(a+i/9+t)*k,20*k,0,7)))x.beginPath(c.style.filter=`invert(`)

Sep 8 2020 3:34 PM UTC

}// 133/140

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Snow flakes falling #storm

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