Top #noise 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.

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384.cz

function u(t) {

t||(c.width=128)
for(i=599;i--;x.clearRect(i*t%127,i%80,1,1))9>i&&x[f](4+i*9+S(t)*29,20+99*t%20,5,2),x[f='fillRect'](9*i*t%127,i/8,1,.3)

Oct 10 2023 3:16 PM UTC

}// 136/140

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#default #noise

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rodrigo.siqueira

remix of d/23341 by u/rodrigo.siqueira

function u(t) {

t=T(t)
for(X=c.width=99;X--;)for(Y=99;Y--;x.fillRect(Y,27+X*(X%2-.5),2,1))o=255-X*Math.hypot(X*S(Y+T(Y+t))*2,Y-t-45),x.fillStyle=R(o,X*S(o))

Jul 16 2021 7:55 PM UTC

}// 140/140

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Signal-to-noise ratio #noise

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rodrigo.siqueira

remix of d/28109 by u/rodrigo.siqueira

function u(t) {

c.style.filter=`invert(`
for(i=2e5;i--;x.fillRect(990+C(K=i+1/C(i)+1/a)*1e3*a,620-S(K)*780*a,(t<1)*a,a+.3/(1+t)))a=(i*i*t+25*t/i)%2-2

Jul 9 2023 10:23 PM UTC

}// 133/140

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Organic noise spiral #spiral #noise

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rodrigo.siqueira

remix of d/27851 by u/RomanPro100

function u(t) {

for(j=3;j>0;j--){for(i=999*S(t)**2;i>0;i--)x.fillRect(300*S(k=i*i)+475*j,99*C(k)+240*j+99*T(i+t)**2,t/8,t<5)}

May 31 2023 12:23 PM UTC

}// 109/140

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Pipes remix: fine grained #noise

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KilledByAPixel

remix of d/23348 by u/KilledByAPixel

function u(t) {

Z=p=>p*p*(3-2*p)
H=X=>S((X|0)**3)+1
N=X=>Z(1-X%1)*H(X)+Z(X%1)*H(X+1)
for(f=a=1,n=0,o=5;--o;f*=2,a/=2)n+=N(t*f)*a
x.fillRect(t*300,n*99,9,9)

Jun 13 2023 4:42 PM UTC

}// 139/140

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Fractal Noise Demo #noise

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yonatan

remix of d/10553 by u/yonatan

function u(t) {

c.width=342
y=w=64
for(i=7;i--;x.drawImage(c,0,y-j,j,j,0,0,w,w))for(j=2**i,k=j*j;k--;y+=!X)x.fillRect(X=k%j|0,y,S(k**4-t),.66**i)

Oct 21 2018 9:50 PM UTC

}// 129/140

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Noise in debug-mode - delete the 342 to fill the viewport

u/yonatan

Maybe chrome does bilinear interpolation and firefox doesn't?
u/Joachim

#noise

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icecuber

function u(t) {

c.width=99;for(i=83;i--;)for(j=64;j--;)a=C(S(i)*1e4+j+t*30)*1e4,x.fillRect(i,j,(a+~a)+j/3,.11);for(k=2;k--;)x.scale(2,2),x.drawImage(c,0,0)

May 3 2016 9:05 PM UTC

}// 139/140

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rodrigo.siqueira

remix of d/28344 by u/AArt1256

function u(t) {

for(X=c.width=200;X--;)for(Y=114;Y--;)x.fillRect(X,Y-1,Y*X*X*S(Y*X+t)&1,1)

Aug 25 2023 2:51 PM UTC

}// 74/140

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Simple white noise #noise

u/cantelope

this show used to be on channel zero, 24/7... i hear that's what shewatch

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KilledByAPixel

remix of d/14806 by u/KilledByAPixel

function u(t) {

N=(X,Y)=>S(X*X*Y**3)/2+.5
F=_=>N(X|0,Y|0)*(1-X%1)+X%1*N(X+1|0,Y|0)
for(i=2e3;i--;)
x.fillRect(i,t*60,1,F(X=i/30,Y=t*2)*(1-Y%1)+Y%1*F(++Y))

Jul 17 2021 7:00 PM UTC

}// 138/140

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Gradient Noise Demo #noise

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rodrigo.siqueira

function u(t) {

if(!t)seed=123,max=1920
for(i=1e4;i--;){
 X=Math.sin(++seed)**2 * 1e9 % max
 Y=Math.sin(++seed)**2 * 1e9 % max
 x.fillRect(X,Y,1,1)
}

Jul 12 2021 2:24 PM UTC

}// 133/140

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Space filling using pseudo random number generator by u/KilledByAPixel as seen on his Twitter post: https://twitter.com/KilledByAPixel/status/14… #random #noise

u/tomxor

#PRNG

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