New #metaballs dweets

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: #ScaryMovies

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rodrigo.siqueira

remix of d/28802 by u/timothytomato

function u(t) {

c.width|=c.style.filter=`blur(2.5vh)contrast(9)sepia(1)hue-rotate(${t/2}rad)`
for(i=300;i--;)x.fillRect(3*i+500,1e3-T(t/15+i**3)*300,50,200)

Nov 4 2023 7:18 PM UTC

}// 140/140

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Lava lamp #metaballs

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Smorg

function u(t) {

for(k=p=150;k--;)for(i=p;i--;)s=12,X=k/20,Y=i/20,l=(X-5*C(Y+t))**2+(Y+6*S(X+t/2))**2-s,x.fillRect(k*s,i*s,s,s),x.fillStyle=R(l>1?l:p-l*s%60)

Aug 19 2023 2:06 AM UTC

}// 140/140

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Mitosis

u/Smorg

Might be very laggy for some. Oops!
u/aleamb

very very awesome!
u/Joachim

#metaballs

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danny@hille.dk

function u(t) {

for(X=c.width=128;X--;)for(Y=72;Y--;)x.fillRect(X,Y,1,Math.hypot(X-64+S(t+Y/32+S(t+X/64))*16,Y-36+C(t+X/32*C(t+Y/16))*24)/16)

Jul 23 2023 11:27 AM UTC

}// 125/140

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lava lamp

u/joeytwiddle

#metaballs

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joeytwiddle

remix of d/9666 by u/joeytwiddle

function u(t) {

c.width=99;for(j=288;x.shadowBlur=j--/9;x.fillRect(45+15*C(j%9-t),9*T(j%9+t),5,5))x.fillStyle=x.shadowColor=R();c.style.filter='contrast(30'

Feb 25 2023 9:25 AM UTC

}// 140/140

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Again with the #metaballs

u/joeytwiddle

contrast(${T(t/5)} is interesting; less focus = more clarity

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hoplite

remix of d/26600 by u/hoplite

function u(t) {

for(w=i=c.width=128;i--;)for(j=w;j--;k=r<0?0:r,x.fillRect(i,j,k,k))r=1,[2,3,4,5,7].map(a=>r-=w/((i-16*T(a*t/9)-64)**2+(j+9*C(a*t/7)-36)**2))

Dec 11 2022 10:49 PM UTC

}// 140/140

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u/magna

#metaballs

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hoplite

remix of d/26599 by u/hoplite

function u(t) {

for(w=i=c.width=128;i--;)for(j=w;j--;k=r>1?1:r,x.fillRect(i,j,k,k))r=0,[2,3,4,5,7].map(a=>r+=w/((i-48*C(a*t/9)-64)**2+(j+9*T(a*t/7)-36)**2))

Dec 11 2022 10:44 PM UTC

}// 140/140

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u/magna

#metaballs
u/joeytwiddle

ooh this canvas is only 72 pixels tall!

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rodrigo.siqueira

remix of d/26119 by u/cantelope

function u(t) {

eval(unescape(escape`󩭯󬬨󬼽󜜳󜬬󪌽󝍥󜼬󪜽󪌪󜼻󪜭󛜻󮌮󩭩󫍬󤭥󨽴󚍩󙝳󚭳󛼹󛍩󛼹󛌱󝌬󜜴󚜬󮌮󩭩󫍬󤽴󮝬󩜽󤬨󩌬󩌯󜬬󛝓󚍴󚜪󩌪󜬩󚝦󫽲󚍤󟜰󛍭󟜲󜌻󫜭󛜻󩌫󟜲󩜷󛽍󨝴󪌮󪍹󬍯󭌨󨜭󪜥󬼪󬼬󨬭󪜩󚬪󜬩󨜽󞝥󜼫󤼨󫜪󫜫󭌪󜼩󚭨󚬨󭬽󠼨󫜯󞜫󭌩󚜬󨬽󝝥󜼫󠼨󫜯󜬭󭌪󜬩󚭨󚭶`.replace(/u../g,'')))

Sep 6 2022 12:44 PM UTC

}// 138/140

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Firefly simulator. #light

u/rodrigo.siqueira

The colors will change after a few seconds
u/384.cz

#firefly
u/mala

This looks like one of those animations of stars rotating the black hole in the center of our galaxy
u/mala

https://www.vox.com/science-and-health/2017/…
u/vain

Nice colors. Like the grid field. #metaballs

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DazeWare

remix of d/25962 by u/DazeWare

function u(t) {

c.width=1920
for(i=0;i<1080;i++){
c.style.filter="blur(2vh)contrast(5)"
x.fillRect(1920*T(i*S(t*.0005+i)),i,50,50)}

Aug 26 2022 8:20 PM UTC

}// 116/140

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#liquid #metaballs

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danny@hille.dk

function u(t) {

f=a=>Math.hypot(X-64-S(a-t/a)*48,Y-32-C(a-t*.8)*20)/6;w=c.width=128;for(i=1e4;i--;)x.fillRect(X=i%w,Y=i/w|0,2-(f(6)*f(4)*f(-5)*f(-4))/1e3,1)

Feb 22 2022 7:31 PM UTC

}// 140/140

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x-ray #metaballs

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rodrigo.siqueira

remix of d/24700 by u/hannah777

function u(t) {

for(c.width|=i=9,d=(99+50*S(i+t));i--;x.fillRect(900+d*T(i/2)*5,400+T(t+i)*d,200,200))c.style.filter="blur(5vh)contrast(99"

Jan 7 2022 7:45 PM UTC

}// 123/140

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Liquid Interactions

u/joeytwiddle

#metaballs This is coming close to rain on a window

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