Dweets awesomed by u/neimad

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: #Food

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geb

remix of d/19268 by u/geb

function u(t) {

f=(X,Y,r,d)=>{if(d>9)x.beginPath(),x.arc(X,Y,d/9,0,7),x.stroke(),f(X+=C(r)*d,Y+=S(r)*d,t+r,d*.9)}
for(c.width|=r=9;r--;)f(960,540,r*.7,420)

Jun 28 2020 6:35 PM UTC

}// 139/140

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u/Xen

nice!

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ntsutae

function u(t) {

t*=30,t||(c.width=w=960)
for(x.drawImage(c,0,1),i=w;--i;)
x.fillStyle=R(g=(t+((i-t)^(i+t))**4)%997<97?w:0,g,g),
x.fillRect(i,0,1,1)

Jun 5 2020 12:56 AM UTC

}// 131/140

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Circuit Diagram

u/tomxor

Nice! most convincing xor sampling #circuit pattern i've seen, lots of ball grid arrays
u/ntsutae

(i-t)^(i+t) is great.
u/rodrigo.siqueira

Change ^ to | and you will see falling Sierpinsky triangles! I mean: (i-t)|(i+t)
u/ntsutae

Yes, I've already tried "|","&". The triangles appeared without the use of recursive call. Dwitter told me bit operation skills. Thank you.

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KilledByAPixel

remix of d/18703 by u/KilledByAPixel

function u(t) {

eval(unescape(escape`𭱩𭁨𚁸𚑦𫱲𚁫👩🐵𜠰𞰭𛑩𞱦𪑬𫀨𨑲𨰨𪰫𪐫𚁲🐨𬐿𜱥𝀺𜱥𝐩𛱩𚐪𤰨𬐿𫐪𫐫𤰨𪐯𞐩𛰷𞡭𚐬𪰭𪐫𠰨𫐩𚡲𛁲𚠨𬐿𚀱𛑮𙐶𝀯𜠴𞐩𚠪𞐯𝀺𛠸𚐬𜀬𞐩𚐩𬐽𪐥𜠬𫠽𪰭𪐫𭀪𜐲𜀪𚁱🰲𞠭𜠩𛁭👱🱮🠾𝠺𫡞𪰬𨡥𩱩𫡐𨑴𪀨𩡩𫁬𤱴𮑬𩐽𤠨𭠽𪐯𜠬𭠪👱𛁶𚐩`.replace(/u../g,'')))

May 11 2020 8:03 PM UTC

}// 140/140

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Tunnel Of Love 💕

Show more comments…
u/magna

Dude!
u/tomxor

:D
u/jellyedwards

Damn I was just working on a similar idea, you're is 100x better
u/jellyedwards

*yours
u/lionleaf

wow!
u/katkip

i have no words
u/HellMood

:D
u/aleamb

LMAO
u/pavel

https://gfycat.com/backthirstybandicoot
u/Weetile

spermy bois
u/fentbiggesthater

ive never seen this before, what is this referring to?

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KilledByAPixel

remix of d/18630 by u/KilledByAPixel

function u(t) {

for(k=i=1200;--i;q*m%59||x.fillRect(k-i+r*S(q?m*=m:m),i+C(m)*r,r/=2,r))q=i%2,r=2e5/i,m=i+t*120,x.fillStyle=R(i/6,q?(r/=9,m=i+t*k^k):0,300-i)

May 9 2020 5:10 AM UTC

}// 140/140

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Particle Accelerator ⚡ Redux #uncompressed #cavern

u/dooncee

Should have called it Pixel Accelerator, what a missed opportunity.
u/KilledByAPixel

doh, I'll use that on the next one if I do another!

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KilledByAPixel

remix of d/18625 by u/KilledByAPixel

function u(t) {

eval(unescape(escape`𩡯𬠨𪰽𪐽𞐶𜀻𛐭𪐻𪐥𜠿𚁭👩𚱴𚡫𯀰𚐥𞑼𯁸𛡡𬡣𚁫𛑩𚱓𚁭𚠽𫐩𚡲𛰳𛀵𝀰𚱃𚁭𚐪𬠯𜰬𬠯𚀲𞐫𤰨𫐪𫐩𚠱𞐩𛀰𛀷𚐺𮀮𨑲𨰨𪰭𪐫𤰨𫐽𪐫𭀪𪰯𞀩𚠨𬠽𜑥𝐯𪐩𛀵𝀰𚱃𚁭𚐪𬠬𬠯𜠬𜀬𝰩𛁸𛡦𪑬𫀨𚐩𮀮𨡥𩱩𫡐𨑴𪀨𮀮𩡩𫁬𤱴𮑬𩐽𤠨𪐥𜠪𪰬𪐯𜠬𪐩𚐻`.replace(/u../g,'')))

May 7 2020 2:50 AM UTC

}// 140/140

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Particle Accelerator ⚡

u/sigveseb

Sweet colors!
u/KilledByAPixel

thanks, really happy with how this one turned out!
u/PoweredByWill

Yessssss!

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pavel

function u(t) {

with(x)for(i=999;i--;fillRect(~setTransform(s=24e3/i,0,0,4*s,960-i+9*s*C(a=i+60*t),540+8*s*S(a)),~rotate(T(a*a)),2,2))fillStyle=R(9,i/4,i/3)

May 4 2020 7:34 PM UTC

}// 140/140

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Underwater #cavern

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u/KilledByAPixel

sick
u/KilledByAPixel

looped https://twitter.com/KilledByAPixel/status/12…
u/pavel

One trick here is f();g();h(-1,-1) is the same as h(~f(),~g()) when f and g return a falsy value, undefined in this case.
u/pavel

Notice how none of the distance variables are based on time, only angles are, yet the distances are changing and nothing is rotating...
u/pavel

Try making the moving a little faster :)
u/pavel

After I wrote this I looked for other dweets using a similar technique and this is the earliest one I've found, and it includes an explanation d/10212
u/KilledByAPixel

Amazing work! I have not seen the ~ before, will be using it a lot now. I tried to explain the 60*t trick in one of my blog posts, https://frankforce.com/?p=7160
u/pavel

That is an amazingly detailed explanation with great visual aids.
u/pavel

To clarify your explanation, any integer time works. 60*t is naturally an integer (ish). frame is one char longer without numerical errors. In general, (n*t|0) works for any n.
u/AndrewK

privet
u/katkip

masterpiece
u/joeytwiddle

I think this also counts as a #tunnel
u/Qwitter

Awesome!

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New_Core

remix of d/18573 by u/New_Core

function u(t) {

with(x)for(i=99;i--;fill())beginPath(),arc(960+50*S(i+t),1100-i*12,1100,a=.2*S(i/9+t),a+3),fillStyle=R(0,255-i*5,255-i*6)

May 2 2020 3:49 PM UTC

}// 121/140

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the ocean outside the cavern

u/sigveseb

#cavern

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New_Core

function u(t) {

with(x)for(i=80;i--;fill())beginPath(),arc(960+i*5*S(i+t),600,i*20,a=2.6+.2*S(i/9+t),a+4.2),fillStyle=R(0,i*5,i*6)

May 2 2020 3:27 PM UTC

}// 114/140

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water #cavern

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pavel

remix of d/11930 by u/pavel

function u(t) {

with(x)for(i=-6*t%1;i++<66;fill())for(beginPath(fillStyle=R(8*i,4*i),j=36);--j;arc(960,h+h*S(3*t)**2/i,h/i*(9+C(~~i+6*t^j)),b=9+j/9,b))h=777

May 2 2020 4:35 AM UTC

}// 140/140

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Walking through a #cavern

Show more comments…
u/KilledByAPixel

🤯 genius
u/KilledByAPixel

Looped! https://twitter.com/KilledByAPixel/status/12…
u/sigveseb

Wooow sweet!
u/aleamb

yeah!
u/sigveseb

Really nice colors
u/jick

Holy cow, wow!
u/Xen

sexy!
u/katkip

aannd we have a winner!
u/KilledByAPixel

https://www.reddit.com/r/perfectloops/commen…
u/pavel

the gif is very blurry
u/KilledByAPixel

HD gif for you - https://www.dropbox.com/s/u3wbakb6e4sm00y/pa…
u/Qwitter

Wow!
u/vain

Who needs longer shaders? ;-) Real DemoScene feeling

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ntsutae

function u(t) {

t?f++:f=N=99
for(c.width|=X=Y=i=0;Y+=S(v=~~(S(~~((f-i)/16))*N)%4*11),X+=C(v)+S(v),s=i++%N?20:50,i<N*16;)x.fillRect(X*9+960-s,Y*9+540-s,s,s)

May 1 2020 1:55 PM UTC

}// 140/140

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Distribution system #City #Traffic

u/ntsutae

PI/2=11/7
u/joeytwiddle

Multiplayer Amidar? :-D
u/KilledByAPixel

👍
u/tomxor

:O City Building !?

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