Dweets by u/DataMeta

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: #ScaryMovies

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DataMeta

remix of d/20288 by u/KilledByAPixel

function u(t) {

c.width|=i=490
for(x.translate(1013,577);i--;x.rotate(.9999**t))x.rect(-1e3,i%1*64,2e3,80-C(i%1+t)*64)
x.fill`evenodd`

Oct 19 2020 6:56 AM UTC

}// 118/140

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#hypnotic #tunnel

u/DaSpider

It has a retro demo vibe

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DataMeta

remix of d/19647 by u/DataMeta

function u(t) {

for(r=Math.random,i=255;i--;x.fillRect(2e3*r()-i/2,1152*r()-i*2,.4/e,26/e))x.fillStyle=R(a=r()/r()/r(),a*3,a*9,e=a**3%99/300)

Aug 12 2020 7:00 AM UTC

}// 125/140

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#rain

u/tomxor

Soothing
u/Xen

love it!
u/DataMeta

#storm

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DataMeta

remix of d/19647 by u/DataMeta

function u(t) {

for(r=Math.random,i=512;i--;x.fillRect(2e3*r()-i/3,1152*r()-i/3,f=1/e,f))x.fillStyle=R(a=r()/r()/r()/.7,a,a,e=a**3%99/300)

Aug 12 2020 6:52 AM UTC

}// 122/140

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#snow

u/DataMeta

#storm

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DataMeta

remix of d/19645 by u/DataMeta

function u(t) {

for(r=Math.random,i=2e3;i--;)X=r(Y=r(Z=r())),x.fillStyle=R(a=X/Y/Z,Y/Z/X,b=Z/X/Y,.2),x.fillRect(2e3*r()-99,1080*r(),T(a^i)/r(),T(b^i)/r())

Aug 11 2020 7:51 AM UTC

}// 138/140

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lasers in the dark - prng rgb 2

u/katkip

looks good
u/DataMeta

thnx

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DataMeta

remix of d/19224 by u/DataMeta

function u(t) {

for(r=Math.random,X=r(Y=r(Z=r())),i=255;i--;x.fillStyle=R(X/Y/Z,Y/Z/X,Z/X/Y,r()/5))x.fillRect(1920*r()-i/2,1080*r(),q=X/Y/Z^i,T(q)/T(i*t)*6)

Aug 11 2020 7:45 AM UTC

}// 140/140

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prng rgb #glitchy #colors

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DataMeta

function u(t) {

h=5381;w="test";for(i=0;i<w.length;i++)h=((h<<5)+h)+w.charCodeAt(i)
throw h

Aug 1 2020 8:46 PM UTC

}// 75/140

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simple djb-like non-#crypto hash function

u/DataMeta

1000BTC to anyone who implements SHA-2 in 140 bytes ;)

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DataMeta

remix of d/19219 by u/DataMeta

function u(t) {

with(x)for(r=Math.random,X=r(Y=r(Z=r())),j=255;j--;fillStyle=R(X*j*4,Y*208,Z/Y/X*42,.11),beginPath(fill()))arc(2e3*r(),1080*r(),Y/r(),0,Z*7)

Jun 23 2020 6:13 PM UTC

}// 140/140

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Small tweak after playing around more. The frequency of the mode color's appearance in a given frame is constrained + more of the color gamut is taken up by tertiary colors

u/DataMeta

#art #colors #abstract

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DataMeta

function u(t) {

with(x)for(r=Math.random,X=r(Y=r(Z=r())),j=255;j--;fillStyle=R(X*j*3,Y*208,Z/Y/X*42,.11),beginPath(fill()))arc(2e3*r(),1080*r(),Z/r(),0,Z*7)

Jun 23 2020 4:48 AM UTC

}// 140/140

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DataMeta

remix of d/18426 by u/DataMeta

function u(t) {

t?r=(S(t/2)*r+4)%255:r=0
with(x)setTransform(1,0,0,1,860,768),rotate(2.7),fillStyle=R(r,r,r),beginPath(fill()),arc(-r*S(t*18),0,r*5,0,4)

May 12 2020 4:48 PM UTC

}// 136/140

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#cavern

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DataMeta

function u(t) {

t||(r=0),r=(5*r+1)%256,x.beginPath(x.stroke()),x.arc(960,540,r,0,7)

Apr 22 2020 7:20 PM UTC

}// 67/140

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#circlechallenge using a Linear Congruential Pseudo-RNG

u/DataMeta

64 bytes: t?r=(5*r+1)%256:r=0,x.beginPath(x.stroke()),x.arc(960,540,r,0,7)

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