New #circuit 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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donbright

remix of d/23883 by u/donbright

function u(t) {

質=(n)=>{for(j=2;j<n;j++){if (n%j==0)return n}return 0}
格=7
for(X=299;X--;)
for(Y=299;Y--;)
if (質(X^Y)) x.fillRect(格*X,格*Y,格,格)

Sep 19 2021 5:48 PM UTC

}// 126/140

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Prime fun 2 / 3 - Normally X binary XOR with Y produces a single white line, but if we only draw black when X XOR Y is a prime number, then we get a pattern. #math #primes

u/donbright

(note i have flipped black/white in my caption, actually its drawing black when the number is not prime)
u/rep_movsd

Fascinating
u/Joachim

#circuit

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ntsutae

function u(t) {

t*=30,t||(c.width=w=960)
for(x.drawImage(c,0,1),i=w;--i;)
x.fillStyle=R(g=(t+((i-t)^(i+t))**4)%997<97?w:0,g,g),
x.fillRect(i,0,1,1)

Jun 5 2020 12:56 AM UTC

}// 131/140

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Circuit Diagram

u/tomxor

Nice! most convincing xor sampling #circuit pattern i've seen, lots of ball grid arrays
u/ntsutae

(i-t)^(i+t) is great.
u/rodrigo.siqueira

Change ^ to | and you will see falling Sierpinsky triangles! I mean: (i-t)|(i+t)
u/ntsutae

Yes, I've already tried "|","&". The triangles appeared without the use of recursive call. Dwitter told me bit operation skills. Thank you.

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firegodjr

remix of d/8945 by u/firegodjr

function u(t) {

F=n=>{return n%7}
x.drawImage(c,0,l=10)
for(j=214;j--;)x.fillStyle=F(j^t*60)?"#000":"#fff",x.fillRect(j*l,0,l,l)

Jul 28 2018 6:53 AM UTC

}// 112/140

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Digital City, feat. a distinct lack of primes. #texture

u/Joachim

#circuit

You've reached the end.

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