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: #Food

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rodrigo.siqueira

remix of d/25294 by u/danny@hille.dk

function u(t) {

f=(X,Y,n)=>X*S(X)<9?f(X-Y**3,2*X*Y-.2,n+1):C(n/9)**4
for(i=2e3;i--;)x.fillRect(i,t*200,.6-f(i/740-1.3,t/2.1-1.3,12),9)

Apr 7 2022 1:48 AM UTC

}// 118/140

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Ntsutae's equation remix (noisy version)

u/ntsutae

👍

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rodrigo.siqueira

remix of d/25274 by u/rodrigo.siqueira

function u(t) {

for(X=2e3;X--;x.fillRect(X,S(P)*1e3,K=9/t+1,K))for(i=a=X/13e3-1.16,b=S(P=X*t)/12;1/a<12;i++)d=a*a-b*b-.7,b=2*a*b+.3,a=d,x.fillStyle=R(i*3,i)

Apr 4 2022 12:21 PM UTC

}// 140/140

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Branches of an imaginary #spiral #fractal

u/jellyedwards

Wow!
u/rodrigo.siqueira

View fullscreen to see details of the swamp water from where the branches are growing and evolving.
u/vain

I don't know why.. but reminds me a bit of "Shadow of the Beast" (amiga)
u/joeytwiddle

Really pretty! I see #glow #trees

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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/25260 by u/rodrigo.siqueira

function u(t) {

for(X=2e3;X--;x.fillRect(X,S(X*t)*999,K=9/t+1,K)){i=a=X/4e3,b=S(X*t)/3-.9
do{d=a*a-b*b-.6,b=2*a*b+.5,a=d,i++}while(1/a<9)x.fillStyle=R(i*4)}

Mar 31 2022 8:22 PM UTC

}// 140/140

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Dark red spiral #fractal, fast rendering

u/Joachim

awesome! #scary
u/vain

so awesome! Looks like a phantasy backdrop! (forest of magic trees)

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rodrigo.siqueira

remix of d/25259 by u/vain

function u(t) {

for(X=2e3;X--;x.fillRect(X,t*60+a,1,1)){i=a=X/2800-.08,b=t/50-.9
do{d=a*a-b*b-.61,b=2*a*b+.51,a=d,i++}while(1/a<9)x.fillStyle=R(200-i*9)}

Mar 30 2022 8:55 PM UTC

}// 137/140

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Bloody spirals #spiral #fractal

u/andrea270872

wow. this one looks like an ancient scroll from Japan or something like that!
u/pavel

That's awesome. Really like the shading.

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rodrigo.siqueira

remix of d/25214 by u/New_Core

function u(t) {

for(X=2e3;X--;x.fillRect(X,t*60,2-i/90,2/a)){a=X/450-2,b=t/6-1.5,i=0
do{d=a*a-b*b-.8,b=2*a*b+.16,a=d,i++}while(a*b<16)}

Mar 29 2022 10:54 PM UTC

}// 119/140

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Deep shadows from Gaston Julia set #fractal

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rodrigo.siqueira

remix of d/25033 by u/rodrigo.siqueira

function u(t) {

for(c.width=m=2e3;m--;x.fill())Y=m/3,r=Y/((m/53-t)%6),x.beginPath(x.fillStyle=R(p=m*S(m*30),p/8)),x.arc(960+C(m)*r,540+S(m)*r,Y/5,Y,m%3+Y)

Mar 27 2022 3:08 PM UTC

}// 138/140

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Fragments (they will come back after a while)

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rodrigo.siqueira

remix of d/25197 by u/rodrigo.siqueira

function u(t) {

c.width|=0
x.font='4em Courier';`${u+u+u+u+u+u+u+u}`.split``.map((L,i)=>{x.rotate(.999)
x.fillText(L,i/2,i*C(i-t/3))},x.translate(960,540))

Mar 26 2022 8:30 PM UTC

}// 139/140

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Tornado of letters #text

Show more comments…
u/danny@hille.dk

shave off 10 char:c.width|=0;x.font='4em Courier';x.translate(960,540);[...code.repeat(16)].map((L,i)=>x.fillText(L,i/2,i*C(i-t/3),x.rotate(.999)))
u/danny@hille.dk

116:for(i=c.width|=0,x.translate(960,540),x.font='4em Courier';i--;)x.fillText(code[i%99],i/2,i*C(i-t/3),x.rotate(.999))
u/vain

115: with(x)for(i=c.width|=0,translate(960,540),font='4em Courier';i--;)fillText(code[i%99],i/2,i*C(i-t/3),rotate(.999))
u/Joachim

114: with(x)for(i=c.width|=0,translate(960,540),font='4em Courier';i--;fillText(code[i%99],i/2,i*C(i-t/3)))rotate(.999)
u/vgel

108 if you're OK with system font instead of Courier: with(x)for(i=c.width|=0,translate(960,540),font='4em q';i--;fillText(code[i%99],i/2,i*C(i-t/3)))rotate(.999)
u/Joachim

107 char with system font: with(x)for(i=c.width|=0,translate(960,540),font='4em"';i--;fillText(code[i%99],i/2,i*C(i-t/3)))rotate(.999)
u/Xen

104 with Joachim but rotate(1)
u/joeytwiddle

#tornado which is sort of a #quine

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rodrigo.siqueira

remix of d/25135 by u/rodrigo.siqueira

function u(t) {

c.width|=0
x.font='4em Courier';`${u+u+u+u}`.split``.map((L,i)=>{x.rotate(.01)
x.fillText(L,i/2,i*T(i-t/3))},x.translate(960,540))

Mar 25 2022 10:22 PM UTC

}// 130/140

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Spiral of letters #text

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rodrigo.siqueira

remix of d/25157 by u/vgel

function u(t) {

c.width|=0,x.scale(9,9),t?I--:(p=[I=0])
for(i=220;i--;x.fillText('🚁',99,p[I+99]+35))x.fillRect(i,p[(i+I)]||=C(t*9)*5+S(t-C(t)*3)*20+30,1,60)

Mar 23 2022 12:03 PM UTC

}// 140/140

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Helicopter #cavern explorer

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