Dweets awesomed by u/baon

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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baon

remix of d/28892 by u/baon

function u(t) {

if (t>0) return
for(i=0;i<256;i++) for(j=0;j<256;j++)
a = (i^j)%9 ,x.fillStyle=R(a,a,a,a), x.fillRect(i*4+450, j*4, 4, 4)

Nov 22 2023 10:27 AM UTC

}// 121/140

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baon

remix of d/28891 by u/baon

function u(t) {

if (t>0) return
for(i=0;i<256;i++) for(j=0;j<256;j++)
a = (i^j)&32 ,x.fillStyle=R(a,a,a,a), x.fillRect(i*4+450, j*4, 4, 4)

Nov 22 2023 10:26 AM UTC

}// 122/140

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chess

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baon

remix of d/28890 by u/baon

function u(t) {

if (t>0) return
for(i=0;i<256;i++) for(j=0;j<256;j++)
a = (i*j)&64 ,x.fillStyle=R(a,a,a), x.fillRect(i*4, j*4, 4, 4)

Nov 22 2023 10:24 AM UTC

}// 116/140

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baon

function u(t) {

if (t>0) return
for(i=0;i<256;i++)
for(j=0;j<256;j++)
a = i ^ j ,
x.fillStyle=R(a,a,a),
x.fillRect(i*4, j*4, 4, 4)

Nov 22 2023 10:20 AM UTC

}// 114/140

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Odog8

function u(t) {

t?e+=[-1,c.width=S=99,1,-S,d+=(a[e]^=1)?1:3][d%4]:a=Array(d=e=2e3)
for(i in a)x.fillRect(i%S,i/S,1,a[i])

Nov 21 2023 4:24 AM UTC

}// 104/140

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Langton's ant in 2 lines

u/Xen

nicely done!

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rodrigo.siqueira

remix of d/28827 by u/rodrigo.siqueira

function u(t) {

x.fillStyle=R(0,9,60)
for(A=0,X=Y=t,i=6e4;i--;x.fillRect(X*15+550,Y*13+540,.1,t<2))Y=(i/Y&1)*27+(Y-X)/2+.25/Y+S(X/9)*2,X=X+Y

Nov 8 2023 1:00 PM UTC

}// 124/140

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Roads on the Rodragon Curve #fractal

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rodrigo.siqueira

remix of d/28809 by u/rodrigo.siqueira

function u(t) {

// Lines to Infinity
c.style='filter:invert()'
for(X=Y=t,i=5e4;i--;x.fillRect(X*9+600,Y*9+560,.1,t<2))
Y=(i/Y&8)*9+(Y-X*2)/2+.5/Y,X+=Y*1+X/5

Nov 6 2023 8:28 PM UTC

}// 140/140

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Lines to Infinity

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baon

function u(t) {

y=Math.PI/3;b=0;t?0:f=h=i=g=250;
while(b++<50&f<15e3){++f;for(e=4,z=2;z<3e3;z*=4)f%z==z/2?e=1:0;
i+=e;x.fillRect(g+=C(y*i),h-=S(y*i),2,2)}

Nov 5 2023 8:57 AM UTC

}// 138/140

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u/baon

remake from: https://www.dwitter.net/d/6095
u/baon

#snowflake

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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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timothytomato

function u(t) {

c.width=1920
c.style.filter="blur(8px)contrast(10)sepia("
for(i=0;i<3e2;i++)
x.fillRect(10*i-100,400+S(t+i)*300,50,200)

Nov 3 2023 11:58 PM UTC

}// 119/140

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u/rodrigo.siqueira

It's interesting that blur(8px) doesn't work the same way when viewed in fullscreen. If it's changed to blur(2.5vh) then it will work the same way even in fullscreen mode.

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