Dweets awesomed by u/shilquix

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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shilquix

remix of d/25360 by u/shilquix

function u(t) {

F=m=>Math.abs(~~((X/Y)*t*1e3))
w=1920,h=1080,r=16
for(i=0;i<w;i+=r)for(o=0;o<h;o+=r)X=i-w/2,Y=o-h/2,x.fillStyle='#'+F(),x.fillRect(i,o,r,r);

Apr 23 2022 6:51 PM UTC

}// 140/140

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u/donbright

really interesting, as you let it run the various sections really do different things.

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shilquix

remix of d/25359 by u/shilquix

function u(t) {

F=m=>Math.abs(~~((X^Y)/t))
w=1920,h=1080,r=16
for(i=0;i<w;i+=r)for(o=0;o<h;o+=r)X=i-w/2,Y=o-h/2,x.fillStyle='#'+F(),x.fillRect(i,o,r,r);

Apr 23 2022 6:43 PM UTC

}// 136/140

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hallway

u/donbright

heck yes

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shilquix

remix of d/25354 by u/shilquix

function u(t) {

F=m=>Math.abs(~~((X*Y)/t))
w=1920,h=1080,r=16
for(i=0;i<w;i+=r)for(o=0;o<h;o+=r)X=i-w/2,Y=o-h/2,x.fillStyle='#'+F(),x.fillRect(i,o,r,r);

Apr 23 2022 6:41 PM UTC

}// 136/140

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filigram fixed

u/donbright

very cool esp at beginning
u/rh2

asymptotic 🔥🔥🔥

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shilquix

function u(t) {

c.width = c.width
r=16
M=~~(t*10)
for(X=0;X<c.width;X+=r){
for(Y=0;Y<c.height;Y+=r){
x.fillStyle='#'+X*Y*M;
x.fillRect(X,Y,r,r);
}
}

Apr 21 2022 10:41 PM UTC

}// 132/140

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filigrams

u/shilquix

based on Simon Tatham's article of the same name
u/donbright

you might like some of my old dweets, click on my user name to see them. really some of the same underlying themes although yours are more diverse across the sections of the screen
u/donbright

https://www.dwitter.net/d/14544 for example
u/donbright

reminiscent of "circles and squares" pseudo fractals but more complex
u/shilquix

I am looking through yours. We seem to share a fascination.

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taupelink

remix of d/25346 by u/taupelink

function u(t) {

for(m=t?0:3500;m--;x.fill())r=m/9,i=m*r%223,x.beginPath(x.fillStyle=R(i,i-r,i%r,5/(r%i)**.5)),x.arc(960+r*C(m),540+r*S(m),r%i,r,r+4)

Apr 19 2022 9:48 PM UTC

}// 132/140

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d/25347

u/joeytwiddle

#flower
u/rep_movsd

#nature #organic
u/LokiLaufeyson4ever

It kind of looks like the portal door thingy from Coraline. (I mean that as the greatest compliment.)

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donbright

remix of d/23884 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 6:11 PM UTC

}// 126/140

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Prime fun 3 / 3 - when X is less than Y, then X modulo Y gives X, so we see the normal vertical prime stripes, white shows X is a prime. not sure about the rest, there seems to be a large white line around the line where X equals Y, #math #primes

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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 5:40 PM UTC

}// 128/140

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Prime fun 1 / 3 - This is the standard X&Y (binary AND) Sierpinski triangle picture but only where X & Y is a prime number. perhaps revealing a relationship between primes and binary AND #math #primes

u/donbright

(note white = X&Y is prime, black = X&Y is composite)
u/andrea270872

this is really nice. retro and mathsy at the same time!
u/donbright

#Sierpinski

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robbyg

remix of d/17061 by u/robbyg

function u(t) {

for(c.width|=j=0;j<10;x.fillStyle=R(++j*30))for(i=540;i--;)x.fillRect(Math.acos(C(t+i*.9*j/1000))*520,i*2,i/2.5,2)

Jan 3 2020 7:40 PM UTC

}// 114/140

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u/katkip

fancy

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KilledByAPixel

remix of d/15050 by u/KilledByAPixel

function u(t) {

RULE=90
t?f++:(f=0,A=[],A[960]=1)
for(a=i=0;i++<1920;A[i]=RULE&2**(4*a+2*(a=!!A[i])+!!A[i+1]))
x.fillRect(i,f,a,a)

Jul 20 2019 4:47 AM UTC

}// 114/140

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Elementary Cellular #Automaton ▲ #Sierpinski #Example

u/KilledByAPixel

Try changing RULE, some good ones are 30 and 73
u/KilledByAPixel

#Automata
u/KilledByAPixel

Rule 110 ~ https://en.wikipedia.org/wiki/Rule_110
u/Xen

fullscreen RULE: -89 is my fav
u/KilledByAPixel

That is awesome. Chaos on one side, order on the other, in the middle a sierpinskitriangle. Btw, there are only 255 rules, -89 is equivalent to 167

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donbright

function u(t) {

x.globalAlpha=.08
x.fillRect(0,0,w=2e3,w)
for(M=N=r=1;r<500;r++){P=M;M=(N+M)%9*C(~t);N=P
X=r*S(t*M);Y=r*C(t*N)
x.clearRect(999+X,540+Y,9,9)}

Apr 8 2019 10:28 PM UTC

}// 140/140

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crowd going fibonacci

dwitter.net | shilquix (258)