Top dweets by u/taupelink

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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Current theme challenge: #Food

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taupelink

remix of d/15316 by u/taupelink

function u(t) {

for(i=1e3,d=e=f=0;i--;d+=((r=Math.random(l=.7)*7|0)-2-d+e*f*C(d)/2)*l,e+=(2-r%3-e+d*e*f/2)*l,f+=(r%2-f-d*e/18)*l)x.fillRect(d*640,e*405,1,1)

Aug 12 2019 5:43 PM UTC

}// 140/140

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Tree-like scene

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taupelink

remix of d/14804 by u/taupelink

function u(t) {

t||(P=[2],n=2);f=X=>P.reduce((s,q)=>s|!(X%q),0);n>2&&f(n)||(P.push(n),x.fillText(n,(n%100)*19,10+10*(n/100|0)));n++

Aug 11 2019 3:28 AM UTC

}// 116/140

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List of #prime #primes, stored in an array. Best in fullscreen view.

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taupelink

remix of d/14804 by u/taupelink

function u(t) {

L=X=>X?1+L(X/10|0):0;c.width=80;n=0;f=X=>X?(n++,f(X>>1)+X%2):'';k=t?k+1:8;x.fillText(l=k>>3,70-5*L(l),10);x.fillText(f(l),70-5*n,20)

Aug 10 2019 9:45 PM UTC

}// 132/140

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base-2 expansions, right-justified (more or less)

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taupelink

remix of d/15254 by u/taupelink

function u(t) {

for(i=1e3,d=e=0,q=2;i--;)p=d*270,x.fillRect(960+p*C(o=e*q),p*S(o),1,1),d+=((r=Math.random()*6|0)-d+d*C(e*q)**3)/2,e+=(r%3-e-d*S(d*e*q)/9)/2

Aug 7 2019 1:39 PM UTC

}// 139/140

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d/15318

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taupelink

remix of d/15141 by u/taupelink

function u(t) {

X=d=e=(1+S(t))/2;x.fillStyle=R(0,X*256);for(i=1e4;i--;)x.fillRect(d*1920,e*1080,1,1),d+=([0,X,1][r=Math.random()*3|0]-d)/2,e+=("101"[r]-e)/2

Jul 25 2019 10:05 PM UTC

}// 140/140

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back to linear and three points, but the top point oscillates

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taupelink

remix of d/15042 by u/taupelink

function u(t) {

r={valueOf:Math.random};h=256
x.globalCompositeOperation='xor';x.fillStyle=R(r*h,r*h,r*h)
x.fillRect(r*1920,r*1080,r*h,r*h)

Jul 19 2019 9:44 PM UTC

}// 123/140

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#xor

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taupelink

remix of d/14810 by u/Fime

function u(t) {

t||x.translate(960,b=540,A=[d=e=0,-b,b,b]);for(i=b;i--;)l=.5+S(i*b)/10,d+=(A[r=Math.random()*3|0]-d)*l,e+=(A[r+1]-e)*l,x.fillRect(d*2,e,1,1)

Jul 14 2019 4:41 AM UTC

}// 140/140

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Variant where the distance scale factor is 1/2 plus-or-minus a little bit. Also some code golfing

u/taupelink

I think some of the pattern details are an artifact of the way I golfed the code...of whatever the values of sin(i*540 radians) are, for integers i=0,...,539
u/Xen

sexy

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taupelink

remix of d/14855 by u/taupelink

function u(t) {

c.width=500;p=37;a=(t|0)%(p-1)+1;for(n=0,m=a;++n<=p;m*=a,m%=p)x.fillStyle=R((n-1)%(p-1)?0:255,0,(n-p+1)?0:255),x.fillText(n,12+m*12,7+n*7)

Jul 6 2019 6:29 PM UTC

}// 138/140

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Powers of a=1, 2, 3, ..., 36 modulo 37, arranged in rows. The 36th power is always 1; the 37th is a.

u/taupelink

#math #numbertheory Fermat's little theorem https://en.wikipedia.org/wiki/Fermat's_l…
u/DataMeta

Cool!

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taupelink

function u(t) {

x.strokeStyle=`hsl(${(r=Math.random)()*360},90%,50%,.1)`
x.lineWidth=3
x.strokeRect(r()*1920,r()*1080,s=r()*300,s)

Jun 14 2019 10:18 PM UTC

}// 114/140

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Just a bunch of rectangles

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taupelink

remix of d/14386 by u/katkip

function u(t) {

c.width*=1
t||(a="Sort by new".split(""),i=m=0)
a[++i]>(q=a[m])||(a[m]=a[i],a[i]=q)
i%11||(i=++m)
x.font='9cm"';x.fillText(a.join(""),0,560)

Jun 4 2019 10:44 PM UTC

}// 140/140

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Amplifying the signal. I like "Sort by new" too! #sort

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