Dweets by u/ntsutae

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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ntsutae

function u(t) {

(t*=60)||(c.width=w=640);for(i=w;i--;)
x.fillStyle=R(g=(t-i^t+i)**8%7?0:w,g,g),x.fillRect(i,0,1,1)
x.drawImage(c,0,1)

Aug 5 2020 10:41 PM UTC

}// 117/140

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(t-i^t+i)**8%7

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ntsutae

function u(t) {

(t*=60)||(c.width=w=320);for(i=w;i--;)
x.fillStyle=R(g=(t-i^t+i)%5?0:w,g,g),x.fillRect(i,0,1,1)
x.drawImage(c,0,1)

Aug 5 2020 10:26 PM UTC

}// 114/140

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(t-i^t+i)%5

u/katkip

.O.
u/magna

I love this!

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ntsutae

function u(t) {

t/=96
for(c.width=X=96;--X;)for(Y=54;k=S((X*X-Y*Y)/15e5),--Y;)
(((k+C(Y+t))*5e2|0)%33)*(((k+C(X+t))*5e2|0)%33)||x.fillRect(X,Y,1,1)

Jul 12 2020 8:38 PM UTC

}// 131/140

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Crossing

u/ntsutae

inspired by https://www.dwitter.net/d/18497

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ntsutae

function u(t) {

c.width=96,t*=30
for(i=96;--i;)for(j=54;--j;){
n=(S((t+i)/19)*2-C((t-j)/17)*3);
n=i^(i-n)|j;n%5&&x.fillRect(i,j,1,1)}

Jun 17 2020 10:13 PM UTC

}// 117/140

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Super Mario Level 99

u/katkip

looks like a factory

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ntsutae

function u(t) {

t*=30,t||(c.width=w=640)
for(i=w;--i;)
x.fillStyle=R(g=Math.abs(t+((i-t)^(i+t))**3)%997<137?w:0,g,g),
x.fillRect(i,0,1,1)
x.drawImage(c,0,1)

Jun 17 2020 9:59 PM UTC

}// 140/140

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((i-t)^(i+t))**3

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ntsutae

function u(t) {

c.style.filter=`invert(`
for(c.width|=X=Y=0,i=2e3;X=C(a=(i/99^0)*6-Y+t)-S(b=X-t+a/40),Y=S(a)-C(b),--i;)x.fillRect(X*480+960,Y*270+540,5,5)

Jun 17 2020 9:31 PM UTC

}// 139/140

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inspired by https://twitter.com/yuruyurau/status/1227244…

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ntsutae

function u(t) {

c.width|=X=Y=0,x.lineWidth=4
for(s=H=960,t*=z=90;--z;s*=.96){i=z-t
X+=S(r=S(i/59)*3-C(i/71)*2)*7
Y+=C(r)*7
x.arc(H+X,540+Y,s,2,1)}x.stroke()

Jun 15 2020 4:13 PM UTC

}// 140/140

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#tunnel inspiration: https://twitter.com/ntsutae/status/120538845…

u/katkip

smooth

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ntsutae

function u(t) {

t*=60,t||(c.width=w=640)
for(x.drawImage(c,0,1),i=w;a=t+i^t-i,g=Math.abs(t+a^t-a)%497<255?w:0,--i;)
x.fillStyle=R(g,g,g),x.fillRect(i,0,1,1)

Jun 7 2020 5:42 PM UTC

}// 140/140

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u/katkip

amazing

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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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ntsutae

function u(t) {

c.width=64
k=S(t/7)*3+4
for(i=0;i<64;i++)for(j=0;j<36;j++)
~~((S(j)*k*k&6.283+C(i))*k)%2||x.fillRect(i,j,1,1)

May 23 2020 4:49 AM UTC

}// 109/140

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Oldschool Techno

dwitter.net | ntsutae (571)