Random dweets | Dwitter

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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Irratix

function u(t) {

(D=(n,m,o,p,q)=>{f=99*q;x.fillStyle=R(f,f,f,1);x.fillRect(n,m,o,p);q&&D(n,m,o/=2,p/=2,--q)+D(n+o,m,o,p,q)+D(n,m+p,o,p,q)})(0,0,1920,1080,8)

Oct 8 2019 10:40 AM UTC

}// 139/140

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Recursive method for generating a fractal triangle.

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prawnwarp

function u(t) {

c.width|=0;for(i=0;i<1920;i+=64){for(j=0;j<1080;j+=64){x.fillStyle=`hsla(${i*j},50%,50%,.3)`;s=S((t*j*.01+i))*64+64;x.fillRect(i,j,s,s);
}}

Apr 21 2017 1:53 PM UTC

}// 139/140

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u/magna

So pretty!
u/cantelope

you can omit the closing parenthesis for hsla and save 1 delicious byte :)
u/donbright

man this is nice

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sigveseb

function u(t) {

s=S(t);r=a=>(Math.random()*2|0)-.5;for(n=c.width=i=99;i--;x.lineTo(n*X/Z,n*U/Z))F=r(),U=s+r(),V=r(),Z=V*C(t)-F*s+2,X=s+V*s+F*C(t);x.stroke()

Aug 6 2016 9:37 PM UTC

}// 140/140

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just a few more bytes and this would look reasonably sweet instead of quite crappy :3

u/iverjo

Cool!
u/donbright

3d stuff is genius
u/katkip

#cube

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KilledByAPixel

remix of d/34231 by u/KilledByAPixel

function u(t) {

with(x)for(t||translate(960,540),j=6;j--;)for(i=96;--i;fillRect(T*S(i+i*t/T),-0,5,T=5e3))fillStyle=`hsl(${i*t/4} 99%${i}%`,rotate(Math.PI/3)

Sep 16 2025 4:12 PM UTC

}// 140/140

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Pinwheels 🌸

u/ximavus

I put Math.PI/Math.E in the rotate function at the end and it looks awesome
u/ximavus

You can also change the Math.PI/3 to .1 and it looks the same but smaller

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iznax

function u(t) {

eval(unescape(escape`𩡯𬠨𪐽𜀻𬀽𚁫👩𙠱𜠷𚐯𝀰𛁏🐲𚠨𪠽𪐾🠷𚐯𝀰𛀫𚱩🀲🀼𜐲𞱸𛡦𪑬𫁒𩑣𭀨𞐶𜀭𠰨𣰩𚡓𚁰𚐪𝐰𜀬𝐴𜀫𠰨𬀩𚠵𜀰𛀲𝀬𜐲𚐩𮀮𩡩𫁬𤱴𮑬𩐽𤠨𩰽𤰨𚁪𚱴𚠴𜀮𝐩𙡫𚐪𞀰𚠨𜠮𞀭𣰩𚠨𚁰𛐲𛠰𚐪𚠲𚰨𚀲𚡴𚱏𚐥𝠮𜠸𛐲𛠱𚐪𚠲🀰𛠱𞀿𛠲𞠱𚐬𩰬𩰩`.replace(/u../g,'')))

Feb 7 2020 4:58 AM UTC

}// 138/140

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Star killer? More like CPU Killer

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u/13thptr

nice
u/Xen

thats no moon!
u/13thptr

-19 with some sacrifices..don't know if this could fit... perhaps you could remove fillStyle and use the subpixel rectangles
u/13thptr

for(i=8e3;p=(k=i&127)/40,O=(j=i>>7)/20,i--;x.fillRect(960-C(O)*S(p)*500,540+C(p)*500,24,12))x.fillStyle=R(g=S((j+t*41)&k)*80*(3-O)*((p-2)**2+((t+O)%6.3-2)**2<.2?.2:1),g,g)
u/13thptr

*subpixel rectangles method, but that would run even slower
u/joeytwiddle

as if millions of motherboards cried out in pain and were suddenly overheated

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rodrigo.siqueira

remix of d/18274 by u/rodrigo.siqueira

function u(t) {

c.style.filter=`sepia()invert(`
for(Y=X=j=1e4;j--;j%9||(T=Y=C(j%99),R=X=C(t*j)*t))Y=Y*Y-X*X+(X=X*Y+R,T),x.fillRect(X*390+960,Y*400+680,.3,1)

Nov 12 2022 9:39 PM UTC

}// 140/140

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Explosion of lines

u/lonestar108

Looks like Horus, looks like your program may be channeling Egyptian gods, you might want to get that checked out

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electric-skeptic

remix of d/12850 by u/yokljo

function u(t) {

c.style.filter='invert(';for(i=999;i--;)o=400+i/t*C(i^2),j=i/40,x.fillStyle=R(o,i,j),x.fillRect(960+S(i^3*i+j)*o,540+T(i^2/3+j)*o,2,o/i/200)

Jul 5 2020 4:23 PM UTC

}// 140/140

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Traffic [needs more work!]

u/Bliss910

cool

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DirtyDan

remix of d/5684 by u/DirtyDan

function u(t) {

p=Math.PI*2
a=960
b=535
c.width=a*2
for(i=0;i<a;i+=10)for(j=0;j<b;j+=10)
x.fillRect(a+a/7*S((y=i/a*p)+S(t))*(z=j/b*p),b+b/2*S(z)*C(y+t),9,9)

Jan 7 2018 3:47 AM UTC

}// 140/140

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f8f82804

remix of d/9174 by u/f8f82804

function u(t) {

with(x)for(i=s=311;--i;beginPath(fillStyle=`hsl(${i}rad 90%${99-i/2}%`))fill(arc(s*(A=S(a=i/99))*S(b=t+i)+960,220*(A*C(b)-C(a)+2),60*A,0,7))

May 23 2022 5:18 PM UTC

}// 140/140

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#rainbow #sphere demake -- #d3 #shading #pbr

u/rh2

very cool

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JuliSC

remix of d/3697 by u/Citiral

function u(t) {

w=1920;for(c.width=i=w;i>=0;i-=30)for(j=0;j<1080;j+=30){i2=i-w/2;j2=j-1080/2
d=Math.sqrt(i2*i2+j2*j2)*1
o=C(d-t*2)*50
x.fillRect(i,j,o,o)}

Mar 24 2021 12:59 PM UTC

}// 138/140

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