Dweets awesomed by u/Xen

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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Xen

function u(t) {

c.style.filter=`invert()`
x.strokeRect(t*C(t),t*S(t),t*T(t*68),t*=t)

Oct 20 2023 2:18 AM UTC

}// 68/140

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slow carve art mini

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KilledByAPixel

function u(t) {

A=_=>T=S(T*7)||1
B=_=>R=(R*9||.9)%1
for(i=2e3;i--;)x.fillRect(i,t*60,i-960?i<960?A():B():9,1)

Oct 18 2023 4:26 PM UTC

}// 93/140

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Two Randoms - demo of two tiny ways to generate random numbers

Show more comments…
u/danny@hille.dk

Cool, but both A and B uses a global method (tan or rgb), besides B is the same length as D=_=>Math.random()
u/rodrigo.siqueira

I understand that in this case, A and B are short methods used to obtain predictable (deterministic) results from a pseudo-random number generator (PRNG), unlike the Math.random() method.
u/KilledByAPixel

A uses Math.sin to get values between -1 and 1, B just uses % and returns between 0 and 1. Both have some artifacts but are random enough for many things.
u/KilledByAPixel

danny, you can't control the seed to Math.random() that makes it unusable for many applications. These do use dwitter defines but also can work just as well without, especially method B.
u/Joachim

Interesting... the left seems too uniform while the right looks slightly horizontaly biased. I think B() will be the most helpful for me, thanks!
u/danny@hille.dk

ooooh nice! Thanks for breaking that down 4 me :-)
u/rodrigo.siqueira

Warning: R=0.5; R=(R*9||.9)%1; // In this seed case (R=0.5), the result will always be 0.5 (it's fixed point, "a value that does not change under a given transformation").
u/cantelope

#RNG

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rodrigo.siqueira

remix of d/28701 by u/rodrigo.siqueira

function u(t) {

c.style.filter=`invert(`
for(a=b=t,i=8e4;i--;b-=b/5+C(a*3),a+=(i/b&i%2)*3.4-b*S(a*2.1)/8-a*a/4.21)x.fillRect(b*390+1510,1440-a*1800,.1,t<1)

Oct 18 2023 2:43 AM UTC

}// 139/140

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Spiral moon

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Ugly_uck

function u(t) {

p=S(t)
t*=99
if(t>1920)t=0
if(t>960){t-=960}
x.strokeRect(t,t*p+540,t,t)
x.strokeRect(1920-t*2,t*p + 540,t,t)

Oct 17 2023 7:01 PM UTC

}// 109/140

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rodrigo.siqueira

remix of d/28669 by u/rodrigo.siqueira

function u(t) {

eval(unescape(escape`挮獴祬攮晩汴敲㵠楮癥牴⠱⥠ഊ景爨愽戽琬椽㉥㐻椭ⴻ愫㴨椪琯戦ㄩ⨳⸲ⵢ⩓⡡⨴⤯㘭愪愯㐮㌬戽戯㈭䌨愪㌮ㄩ⥸⹦楬汒散琨㔵㔰ⵡ⨹攳⭡⨪ㄲ⩩ⰳ〰ⵢ⨱㠰〬⸱ⰱ⤠`.replace(/u([^D].)/g,'$1%')))

Oct 16 2023 3:19 PM UTC

}// 124/140

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Emergence of fractal flowers 2 #organic #plant

u/rodrigo.siqueira

Needs to rotate -90 degrees to be printed in portrait mode.

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rodrigo.siqueira

remix of d/28688 by u/rodrigo.siqueira

function u(t) {

for(a=b=0,i=1e5;i--;b+=C(a*3+r/2)/5-a*b/5,a+=(r-a+b*S(a*4))*.3)i%2&&(r=i*t/b&1,x.fillRect(a*1800+110,700-b*1400,.1,t<5))

Oct 16 2023 12:31 AM UTC

}// 120/140

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Pair of Fractals

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Xen

function u(t) {

//support one side your an antisemitic
//support the other and an islamophobe
//how about peace between both sides
x.strokeRect(t*=99,t,t,t)

Oct 15 2023 6:59 PM UTC

}// 140/140

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politics is not dwitter, its not my online anon realm, i'd like to keep it that way...

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rodrigo.siqueira

remix of d/28682 by u/rodrigo.siqueira

function u(t) {

c.style.filter=`invert()sepia(`
for(a=b=t,i=5e4;i--;a=(a+(t*i/b&1)+b*S(a))/2,b+=C(a)/2-a*b/9)x.fillRect(3e3*b-2350,3490*a-2e3-a**35*i,.1,1)

Oct 14 2023 12:16 AM UTC

}// 139/140

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Alien Loch Ness

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rodrigo.siqueira

remix of d/28677 by u/rodrigo.siqueira

function u(t) {

c.style.filter=`invert(`
for(a=b=t,i=6e4;i--;b=b/1.7-C(a*3),a+=(i*t/b&1)*3-b*S(a*4)/6-a*a/4.1)x.fillRect(550+b*900+a**9*i,a*5e3-1250,.1,1)

Oct 12 2023 1:10 PM UTC

}// 138/140

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Branches in the swamp #tree

u/rodrigo.siqueira

The effect of blurred reflections with misty and swampy bottom is given by +a**9*i. Without this the image becomes cleaner.

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Joachim

function u(t) {

eval(unescape(escape`󬜽󩜽󟭤󫽣󭝭󩝮󭌮󭽲󪝴󩜨󙼼󪝮󬍵󭌠󪝤󟝯󘍰󫍡󨽥󪍯󫍤󩝲󟜢󠝳󪼠󫝥󘍡󫭹󭍨󪝮󩼢󬽴󮝬󩜽󨭡󨽫󩽲󫽵󫭤󞬣󩝥󩌻󪍥󪝧󪍴󞬲󩝭󘍯󫭣󪍡󫭧󩜽󘭯󛭤󪝳󨝢󫍥󩌽󜜻󩍯󨽵󫝥󫭴󛭷󬭩󭍥󚍠󡍥󨝦󡽐󥌺󘌼󪝮󬍵󭌠󭭡󫍵󩜽󬍡󬭤󫽮󟼾󟍰󟭠󚜻󬜨󫼮󪝤󟝯󚜢󟬼󬌾󙼩󒭴󯍼󬜨󚜻`.replace(/u../g,'')))

Oct 12 2023 12:03 PM UTC

}// 140/140

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DeafGPT - AI has never been this small! :D

u/384.cz

I previously made semi-working version d/28323
u/Joachim

u/384.cz yeah but this one can answer any question ;)

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