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/26147 by u/rodrigo.siqueira

function u(t) {

for(L=i=3e4;i--;x.fillStyle=R(Z**33,x.fillRect(X,Y-9,9,20),Y/9))for(g=214,Z=m=7;m--;)Z+=C(d=Math.hypot((X=i%g*9)-C(m+t/14)*L,(Y=i/g*9)-L)/g)

Sep 19 2022 12:59 PM UTC

}// 140/140

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Biomolecular interactions

u/taupelink

wow!!

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rodrigo.siqueira

remix of d/25894 by u/rodrigo.siqueira

function u(t) {

for(K=X=-540;X<-K;X++)for(Y=K;Y<-K;Y++)h=S(2*Math.atan(Y/X)+Math.log(Math.sqrt(X*X+Y*Y))*9),h<S(X*Y/h)&&x.fillRect(960-X,Y-K+t,1,t<.1)

Jul 30 2022 4:57 PM UTC

}// 134/140

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Spiralnebel (Spiral Nebula), a more accurate translation from the original C64 code. #spiral Original code from 1984 by Norbert Treitz, für Phantasie und Logik.

u/andrea270872

Wow!
u/rodrigo.siqueira

"Spiele mit Computer-Grafik. Für Phantasie und Logik" (Norbert Treitz, 1984), page 63. Short video showing the book: https://twitter.com/quasimondo/status/155338…

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rodrigo.siqueira

remix of d/25787 by u/cantelope

function u(t) {

for(x.fillRect(0,0,w=2e3,w),i=1e4;i--;x.clearRect(w/2+S(p=T(i^S(a=i+t)*f))/(Z=T(a)*S(f*p+t)/400),w/4+C(p)/Z,K=p/9+3,K))f=i**.9%1

Jul 11 2022 12:08 AM UTC

}// 128/140

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Spiral burst

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rodrigo.siqueira

remix of d/25761 by u/rodrigo.siqueira

function u(t) {

t?y+=S(y*7+t)*3:(y=98)
for(i=2e3;i;i--)x.fillStyle=R(A=(B=i>y*7?C(S(i*y*i))*(.3+C(8+t)/6):C(t/2-2))*i/1.2,A/2,y*B*2),x.fillRect(t*230,i,9,1)

Jul 1 2022 6:32 PM UTC

}// 140/140

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Mountains at Sunrise

u/tomxor

Getting a bit of a celestial feeling from the sunrise. Maybe sunrise on a distant moon.

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rodrigo.siqueira

remix of d/25326 by u/rodrigo.siqueira

function u(t) {

f=(x,y,n=9)=>x<4*x**2?f(x*x-y*y-.8,2*x*S(T(y))+.2,n+t/4+1):S(n/9)
for(i=2e4;i--;x.fillRect(X=u&2047,u>>11,f(X/4e3+.28,u/8e6-.24),1))u=-~u

Apr 14 2022 6:14 PM UTC

}// 137/140

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4th version of the same spiral from previous remixes. #fractal #spiral

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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/24911 by u/rodrigo.siqueira

function u(t) {

with(x)for(i=790;i--;fillRect(~setTransform(S(i+1.5)*i,0,0,i,960+4*i*C(i),680+2*i*C(i/400)),~rotate(i/6+t/2),2,2))fillStyle=R(i,i/5,0,.1)

Feb 12 2022 5:29 PM UTC

}// 137/140

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Hell's road #fire

u/Xen

3bytes for a Balrog

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rodrigo.siqueira

remix of d/24797 by u/rodrigo.siqueira

function u(t) {

for(x.fillRect(0,0,i=6e3,i);i--;b=440-300*C(i)+150*C(2*i)+T(i*i-t),x.clearRect(470*(2+S(b/t**5)+S(i)**3/1.4),b,3,2))x.fillStyle=R(99,0,0,.1)

Jan 22 2022 5:05 PM UTC

}// 140/140

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Two hearts becoming one #love #heart

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rodrigo.siqueira

remix of d/23894 by u/rodrigo.siqueira

function u(t) {

for(i=5e4,w=960;i--;x.fillRect(w+w*X/Z,w*Y/Z/2-Z*580-2800,8/Z/Z,t<3))r=Math.random,X=r()*20-9,Y=r()*20-9,Z=C(s=T(s=X*X+Y*Y)/s)/5-6

Sep 21 2021 3:09 PM UTC

}// 130/140

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Zen garden. Circle patterns around the rock may represent waves or ripples in water.

u/rodrigo.siqueira

Japanese rock garden: "Developing variations in patterns is a creative and inspiring challenge. Achieving perfection of lines is not easy. Zen priests practice this to help their concentration."
u/ciaccodavide

beautiful!

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rodrigo.siqueira

remix of d/23572 by u/rodrigo.siqueira

function u(t) {

for(Z=c.width=i=175;i--;)for(H=Z;H--;x.fillRect(i,H,1,1))Y=H/9-5,r=((X=i/10-9)*X+Y*Y+1-C(t*8))/Z,x.fillStyle=R(K=T(Y/r|X/r+t*Z)*Y+5/r,K/5)

Aug 17 2021 5:16 PM UTC

}// 138/140

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Spierpinski debris around a pulsating core #sierpinski

u/danny@hille.dk

Beautiful
u/danny@hille.dk

better resolution + performance for(I=new ImageData(c.width=w=175,w),i=w*w;i--;)Y=i/w/9-5,r=((X=(i%w)/10-9)*X+Y*Y+1-C(t*3))/w,I.data.set([K=T(Y/r|X/r+t*25)*Y+16/r,K/6,,255],i*4);x.putImageData(I,0,0)
u/jellyedwards

Wow!

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