New #hiddengem 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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tomxor

remix of d/28068 by u/tomxor

function u(t) {

eval(unescape(escape`𩡯𬠨𭰽𨰮𭱩𩁴𪀦👩🐸𜰲𜀻𪐻𫀾𜐦勺𦐫𨠪𥀩𙠨𤠫𩀪𥀦𦀫𨐪𥀼🀲𚐼𝀿𥀿𥀯🐮𞐺𤠫🐮𜐺𥀿𥀦👸𛡦𪑬𫁒𩑣𭀨𛐭𪐥𭰬𪐾🠷𛀱𛐱𛱬𛁒🐱𚐺𤠭👔🐮𜐩𦀽𪐥𭰯𝠴𚡒𛑒𛁙👩𛰸𩐳𚡒𛑒𛰲𛁬👍𨑴𪀮𪁹𬁯𭀨𨐽𤰨𭀩𚠳𛑘𛁢🐱𛑙𛁤👃𚁴𚐪𜰫𝐭𤠩𚠨𜠭𥀩`.replace(/u../g,'')))

Sep 4 2025 11:35 PM UTC

}// 139/140

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If Wolfenstein 3D had Dynamic Lighting

Show more comments…
u/lewdev

Holy crap! Another table flipping dweet! This is amazing!
u/jellyedwards

Wow that's incredible
u/joeytwiddle

Great!! #light #lighting #shadow
u/magna

-1 missing unit tests
u/cantelope

...
u/joeytwiddle

#hiddengem

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tomxor

remix of d/28068 by u/tomxor

function u(t) {

for(w=c.width&=i=10368;i;T=(2*X&3*t+T)%7<3&Y*Y<2?R-T?T+.1:R+=.1:R!=T?R&=x.fillRect(--i%w,i>>7,(X+Y+5)/9,1):T+.2)X=i%w/64*R-T,Y=i/4e3*R-T

Nov 7 2023 9:40 PM UTC

}// 136/140

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Pseudo Global Illumination - Sans-Textures

u/cantelope

wat
u/joeytwiddle

#d3 #lighting #uncompressed #hiddengem
u/DataMeta

wow
u/aleamb

wtf.... amazing!
u/pavel

Holy crap!

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BackendForth

remix of d/22806 by u/BackendForth

function u(t) {

c.width|=0
for(a=1920;a-=192;)
for(b=1080;b-=108;)
{i=a,j=b
for(k=299;k--;){x.fillRect(i,j,2,2)
i+=S((j-540)*(h=S(t)/35))
j+=S((i-960)*h)}}

May 20 2021 5:13 PM UTC

}// 139/140

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Adjusting the zoom on a phase space

u/rep_movsd

Wow I had a very similar dweet when experimenting yesterday by sheer coincidence
u/BackendForth

Great minds think alike?
u/katkip

smooth
u/joeytwiddle

Nice novel style. #hiddengem

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magna

remix of d/22382 by u/magna

function u(t) {

c.width|=0;for(i=3e3;i--;x.fillText('|||||||||',0,0))X=i&63,Y=i>>6,s=t+(X-32)*(Y-18)/99,x.setTransform(k=C(s),z=S(s),-z,k,X*30,Y*30)

Apr 7 2021 12:06 AM UTC

}// 132/140

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field of #default

u/taupelink

#hiddengem

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magna

remix of d/22157 by u/magna

function u(t) {

x.globalCompositeOperation='xor'
T.valueOf=_=>Math.random()*255
x.fillStyle=R(T,T,T)
x.fillRect(T*8,T*5,s=T|0,s)
x.drawImage(c,T(T),0)

Mar 26 2021 8:49 PM UTC

}// 134/140

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glitchy pastels #glitch

u/magna

Excerpt: T(T)
u/DataMeta

#hiddengem

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Xen

remix of d/18279 by u/KilledByAPixel

function u(t) {

for(i=j=99;i;)x.fillRect(t*49,i,!S,S=j--?S*S-C*C+(C=2*S*C+R,T):(C=R=--i/(j=49)-1,T=t-2))

Apr 16 2020 3:19 AM UTC

}// 88/140

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88byte mini #Mandelbrot #Fractal Shoutz 2 u/KilledByAPixel

u/KilledByAPixel

You absolute madman!
u/DataMeta

#hiddengem

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KilledByAPixel

remix of d/18243 by u/KilledByAPixel

function u(t) {

eval(unescape(escape`𩡯𬠨𪠽𝀸𛁺🐵𝀰𞱪𛐭𞰩𩡯𬠨𪐽𜡥𜰬𠐽𥀨𠠽𥀨𥀽𣑡𭁨𛡲𨑮𩁯𫐩𚠴𛐲𚐪𜰭𜠬𦀽𠐬𦐽𠠻𦀪𪐭𛐻𮀮𩡩𫁬𤡥𨱴𚁴🰸𜀰𛑘𚡺𞠰𛁴🱙𚡺𚰵𝀰𞠰𛁗👴🰨𮀮𩡩𫁬𤱴𮑬𩐽𨁨𬱬𚀤𮱩𛰳𯐬𞐹𙐬𙁻𞐹𛑩𛰳𞑽𙐬𜑠𛀱𚐺𜡥𜰬𥰩𚑘👘𚡘𛑙𚡙𚰨𦐽𜠪𦀪𦐫𠠬𠐩`.replace(/u../g,'')))

Apr 12 2020 6:34 AM UTC

}// 139/140

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Mandlebrot Nebula 2.0

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katkip

function u(t) {

c.width=300;r=x=>t%2<1?x.split``.reverse``.join``:x;for(i=-1;i++<4;)x.fillText(r(['SATOR','AREPO','TENET','OPERA','ROTAS'][i]),9,10*(i+2.4))

Dec 20 2019 10:32 AM UTC

}// 140/140

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https://en.wikipedia.org/wiki/Sator_Square #palindrome

u/DataMeta

#hiddengem

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KilledByAPixel

function u(t) {

r=_=>C(++s**4)/2+.5
for(z=i=2e3;i--;x.fillRect(i,t%1*6600,-z,t?90:z))x.fillStyle=t?R(c(s=t),c(),c()):c=_=>255*(r()+r()*C(r()*i/318.3+r()))

Nov 16 2019 12:07 AM UTC

}// 138/140

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Cosine Palette Generator v2

u/katkip

more like a gradient generator
u/DataMeta

Cool. Technically a palette with 1-pixel wide gradient sections :P
u/DataMeta

#hiddengem

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taupelink

remix of d/16295 by u/taupelink

function u(t) {

for(i=d=e=z=1e3;i--;x.fillRect(d*20,e*40,2,1))r=Math.random()*z|0,e=r%37+r%3*C(d),d=r/10+r%.8*C(d*3),x.fillStyle='#'+'F50DB4'.substr(r%4,3)

Oct 31 2019 4:02 AM UTC

}// 139/140

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d/16394

u/DataMeta

#hiddengem

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