Top dweets by u/BriSeven

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.

Try the new frontend: beta.dwitter.net
Current theme challenge: #ScaryMovies

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BriSeven

remix of d/546 by u/BriSeven

function u(t) {

X=960,Y=80+1080*t%900,a=1;for(i=99;--i;)x.fillStyle=T(a)<9?R(99-a,a/3,0,.3):"#FFA",x.fillRect(X+=S(a)*Y/50,Y+=C(a)*4,8,8),a+=7*Math.random()

Dec 23 2016 4:34 AM UTC

}// 140/140

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Show more comments…
u/lionleaf

Oh wow, that is amazing!
u/sigveseb

Very nice!
u/iverjo

Wonderful!
u/hamptonio

Happy little tree!
u/Beginner

Wow!
u/Xen

Done Re-mi(X)en 2878
u/Xen

Done Re-mi(X)en 2878
u/Xen

why post twice? :-/
u/joeytwiddle

Quantum commenterference I guess. This one is my favourite :)
u/iverjo

#tree
u/lionleaf

#christmas #christmastree #color
u/rawbits

A sad little tree. He has no friends. (Bob would be proud)
u/vain

Amazing procedural and beautifl tree. Mindblowing coding!

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BriSeven

remix of d/24454 by u/BriSeven

function u(t) {

c.width*=1
for(i=4e2;i--;x.setTransform(C(n=t+C(t)*i/9)*2,-S(n),S(n)*2,C(n),960,300+i),x.font='5cm a')x.fillText([...'🟥🟧🟨🟩🟦🟪🟫'][i/57|0],0,0)

Dec 6 2021 7:31 AM UTC

}// 140/140

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rainbow slinky

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BriSeven

remix of d/18263 by u/BriSeven

function u(t) {

eval(unescape(escape`挮睩摴桼㵮㴱㘻⁦潲⡫㵮⩮㭫ⴭⱩ㵫╮ⱪ㵫⽮簰㭸⹦楬汒散琨㄰〭㠰⨨椥㐩ⰱ〰⴨椯㑼〩⨸〬㐰ⰴ〩⥸⹦楬汓瑹汥㵠桳氨〬〥Ⱔ笸〭横㕽╠ⱸ⹳整呲慮獦潲洨䌨愽琩⨲ⱳ㵓⡡⤬⵳⨲ⱃ⡡⤬㤵〬㔰〫横㜩`.replace(/u(..)/g,"$1%")))

Apr 26 2020 12:07 PM UTC

}// 136/140

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Almost a procgen city but not quite enough room.

u/BriSeven

#cube
u/tomxor

I like where this is going :)

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BriSeven

remix of d/2554 by u/cantelope

function u(t) {

cx=1e3
for(i=99;i--;)for(j=59;j--;)X=i/2-25-C(t)*2,Y=3+S(i/5)*S(j/5+t*3),x.fillStyle=R(Y*60),x.fillRect(cx+1/j*X*cx,60+Y/j*cx,s=999/j,s)

Apr 23 2017 11:28 PM UTC

}// 136/140

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u/cantelope

really awesome. I was wishing for a colored "sea". R(0,0,Y*60) yields blue waves :)
u/recursive

I did one kind of like this: https://www.dwitter.net/d/1978

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BriSeven

function u(t) {

x.save()
x.translate(940,550)
x.rotate(t*30)
x.font=4*t+'px a'
x.fillText(String.fromCodePoint((14000+((t*240|0)))),30*t,30*t)
x.restore()

Jun 28 2022 11:09 AM UTC

}// 138/140

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string ring

u/rodrigo.siqueira

The vortex of Chinese concrete poetry #spiral
u/CazadorDePerros

wow, lovely!

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BriSeven

function u(t) {

c.width*=1
n=99
c.style.filter="blur(8px) contrast("+n
for(i=0;i<2e3;i++)[33,n,137].map((p)=>x.fillRect((i%p+t%1)*p-n,((i/p)|0)*n,q=p/2,q))

Sep 30 2023 7:53 AM UTC

}// 139/140

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Ferrofluids

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BriSeven

remix of d/547 by u/BriSeven

function u(t) {

X=960,Y=80+1080*t%900,a=1;for(i=99;--i;)x.fillStyle=T(a)<9?R(99,a,255,.3):"#F7F",x.fillRect(X+=S(a)*Y/50,Y+=C(a)*4,8,8),a+=7*Math.random()

Dec 4 2021 5:40 AM UTC

}// 138/140

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Merry Transmas (more like CGA-mas)

u/rep_movsd

Try R(a/2,180,30,.3)

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BriSeven

remix of d/291 by u/iverjo

function u(t) {

t=t%4;if(t<.1)r=X=Y=0,W=c.width=960,H=540;for(i=W*4;i--;)x.fillRect(X=(X+S(r+=C(t*i*r))%W+W)%W,Y=(Y+C(r)%H+H)%H,A=5/(1+t*9),A)

Jan 1 2017 12:01 AM UTC

}// 126/140

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u/donbright

the gray scale is what makes this awesome

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BriSeven

function u(t) {

eval(unescape(escape`挮睩摴桼㵮㴶㐻景爨樽渻樭ⴻ⥦潲⡩㵮㭩ⴭ㭸⹦楬汒散琨ⴲ㔬㠰⭃⡡⨴⵴⨴〩⨳〭䌨㌪樯渫㤩⨵〬㈰ⰲ〩⥸⹦楬汓瑹汥㵒⠲㔵⵪⨳ⱪ⤬砮獥瑔牡湳景牭⡃⡡㴶⸲㠪椯渫琩⨲ⱓ⡡⤬ⵓ⡡⤪㈬䌨愩ⰹ㔰ⰵ〰⭪⨷⤠`.replace(/u(..)/g,"$1%")))

Apr 14 2020 11:28 AM UTC

}// 139/140

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A tasty bella pepper.

u/sigveseb

Mmm makes me hungry
u/BriSeven

Ages ago I had a super long dweet that I couldn't post, that was something like 3d lighted aliens made from randomized particles. The trickiest thing about them was the z-sorting. But, you kinda get that for free if you carefully draw in layers along the axis you're rotating on. Painter's algorithm in essence, but the data is structured so you don't have to run a sort.
u/BriSeven

one of these days I'll understand the BSP algorithm

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BriSeven

function u(t) {

if(!t)d=[];c.width=1920;X=Y=0; for(i=0;i<1e4;i++) D=(d[i]||1),d[i]=D+S(D*t*i)/9, x.fillRect(X+=C(d[i])*5, Y+=S(d[i])*5, 5, 5)

Nov 23 2017 8:16 AM UTC

}// 125/140

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A mutating (pseudo)random walk.

u/magna

Awesome!
u/donbright

brilliant

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