Dweets awesomed by u/f8f82804

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: #Opposites

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rodrigo.siqueira

remix of d/18458 by u/rodrigo.siqueira

function u(t) {

for(X=f=c=>S(S(9*c/d)*t),Y=t/8-1.1,i=2e3;i--;x.fillRect(i,t*60,(1+f(X=i/480-2)*f(Y))*(d/2+Y),3))x.fillStyle=R(C(r=X*X+Y*Y)*125),d=r>1||T(r)

Apr 23 2020 5:58 PM UTC

}// 139/140

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Red Sphere Reflection #raytracing (high resoluton)

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u/Xen

Tf Dude! top dweet right here 😍
u/lionleaf

That's amazing!
u/lionleaf

#glass #sphere
u/stiaje

#witchcraft
u/Ath0r

Impressive, great job!
u/katkip

genius script
u/PoweredByWill

wow. dwitter povray.
u/mole

I am shooketh. This is absolutely incredible.
u/katkip

#slowrender
u/cli

This is great.
u/Nascretis

Actually insane. #witchcraft

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katkip

function u(t) {

eval(unescape(escape`𨰮𭱩𩁴𪀽𜑥𜰻𩠽𚁸𛁹𛁮🐨𜰪𭁼𜀩𚐽🡮🱦𚁹𛐲𚡓𚁸𛰹𚱴𚐬𮀭𜠪𤰨𮐯𞐫𭀩𛁮𛐱𚐺𚁓𚁸𚐫𤰨𮐩𚐯𝀫𛠵𞱦𫱲𚁪🐶𜰻𪠭𛐻𚑦𫱲𚁩🐱𜐱𞱩𛐭𞰩𮀮𩱬𫱢𨑬𠑬𬁨𨐽𩠨𪐭𝐵𛁪𛐳𜰩𛁸𛡦𪑬𫁒𩑣𭀨𪐪𞐬𪠪𞐬𞐬𞐩`.replace(/uD./g,''))) // HailXaTuring

Apr 18 2020 12:27 PM UTC

}// 140/140

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distorting a pattern via #recursive rule

u/katkip

c.width=1e3;f=(x,y,n=(3*t|0))=>n?f(y-2*S(x/9+t),x-2*S(y/9+t),n-1):(S(x)+S(y))/4+.5;for(j=63;j--;)for(i=111;i--;)x.globalAlpha=f(i-55,j-33),x.fillRect(i*9,j*9,9,9)
u/Xen

love it!

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pavel

remix of d/18322 by u/pavel

function u(t) {

for(let i=1920,f=(x,y,n=256)=>x*y<n?f(x*x-y*y-.8,2*x*y+.156,n-1):1-n/256;i--;x.fillRect(i,t*180,1,3))x.globalAlpha=f(i/540-16/9,1-t/3)

Apr 18 2020 8:32 AM UTC

}// 134/140

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#julia set for c = −0.8 + 0.156i

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u/pavel

Using x*y<n instead of the normal n&&x*x+y*y<2 is much shorter and creates the black whisps that look pretty cool.
u/pavel

This version makes it easy to play with different values of c. You can find some in https://en.wikipedia.org/wiki/Julia_set#Quad…
u/pavel

https://en.wikipedia.org/wiki/Julia_set#Quad…
u/pavel

Is link pasting broken?
u/Xen

Sexy!
u/katkip

wow
u/katkip

https://en.wikipedia.org/wiki/Julia_set
u/rodrigo.siqueira

Awesome and fast. I am remixing it to add color schemes and colorization methods.
u/Qwitter

SO FAST!

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pavel

function u(t) {

for(let i=1920,f=(x,n=420,a=0,b=0)=>a*a+b*b<n?f(x,n-1,a*a-b*b+x,2*a*b+.1133-t/4615):n/420;i--;)x.fillRect(i,180*t,f(i/8e5-.7467),3)

Apr 18 2020 5:59 AM UTC

}// 131/140

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(X=-0.7453, Y=0.1127, R=6.5e-4) section of the #mandelbrot set

u/pavel

This version draws 1x3 pixels to speed up rendering. for(let i=2e3,f=(x,n=420,a=0,b=0)=>a*a+b*b<n?f(x,n-1,a*a-b*b+x,2*a*b+.1133-t/13845):n/420;i--;)x.fillRect(i,60*t,s=f(i/8e5-.7467),s) looks better in fullscreen but is 3x as slow.
u/pavel

let and the automatic scoping of args in f makes this _really_ quick. I can increase the loop to 4e3 iterations and still have 60fps on my machine. Would be interesting to speed this up by rendering multiple rows per frame.
u/katkip

all dweets made by u/pavel are genius
u/Xen

godlike!
u/Qwitter

agreed !!!!

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Cloud

function u(t) {

for(c.width|=i=30;i--;){
x.lineWidth=5
y=S(t*4-i/2)*(70-i)
x.ellipse(960, 540-(y+2), 50*i, 25*i, 0,0,7)
x.stroke()
x.beginPath()
}

Apr 17 2020 7:11 AM UTC

}// 130/140

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#wave

u/vain

Very nice!

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pavel

function u(t) {

for(c.width=i=640,n=32,q=2*t%1*n|0;i--;x[X>7&X<12&[810,865,1858,9808][q>>3]>>i/8+X+6?'fillRect':'strokeRect'](X*n-q,(i&-n)-q,n,n))X=i%n

Apr 16 2020 7:25 PM UTC

}// 135/140

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Keep Gliding Mr Conway

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u/pavel

#gameoflife #glider
u/pavel

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

love it!
u/joeytwiddle

#tribute
u/rodrigo.siqueira

Wow! I've been using this Glider image (also known as HACKER EMBLEM) for years as my computer wallpaper, here is full hd version of my wallpaper: https://in.bot/agi/Hackers-emblem-Carbon-Gli…
u/Qwitter

Life was definitely a gateway drug for me as well.

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KilledByAPixel

remix of d/18218 by u/KilledByAPixel

function u(t) {

eval(unescape(escape`𩡯𬠨𪐽𞐻𪐭𛐻𨐮𫑡𬀨𫰽🡻𭱩𭁨𚁯𚑘𙠦𮀮𨱬𩑡𬡒𩑣𭀨𚁘👘𚡘𛑙𚡙𚰨𦐽𜠪𦐪𦀫𠠬𠐩𚐪𝐴𜀫𜐲𜀰𛁙𚠵𝀰𚰵𝀰𛀵𛀵𚑽𚐩𮀮𩡩𫁬𤡥𨱴𚀰𛀰𛀲𩐳𛀲𩐳𚐬𭀿𨐮𬁵𬱨𚁻𦀺𠐽𥀨𥀽𣑡𭁨𛡲𨑮𩁯𫐩𚠴𛐲𛁙𞡂👔𚁸𛡧𫁯𨡡𫁁𫁰𪁡🐮𜀳𚐪𜰭𜠬𠐬𠡽𚐺𨐽𦱝`.replace(/u../g,'')))

Apr 12 2020 5:10 AM UTC

}// 140/140

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Capturing Mandelbrot Orbits

u/rep_movsd

These are attracting me strangely :p
u/KilledByAPixel

#buddhabrot #fractal

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KilledByAPixel

remix of d/18141 by u/BriSeven

function u(t) {

with(x)for(c.width|=i=3;i--;fillText([...'🤚🧼🤚'][i],99,0))save(restore(font='39em"')),translate(960+99*C(a=t+8*i),99*S(a)),rotate(2+S(a*3)/9)

Apr 4 2020 8:14 PM UTC

}// 140/140

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Proper Hand Washing Technique

u/magna

LOL!

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Kirjava

function u(t) {

eval(unescape(escape`𭁼𯀨𬰽𦰮𛠮𘠠𜐳𡁜𫡆𞀲𠱜𫡅𠐵𝁜𫠶𞑂𝰢𧐬𥀽𜀩𛁯𫡫𩑹𭑰👮🐾𚁑👳𦱶👔𚱛𛐱𛀵𛀱𛀭𝑝𦰳𙡮𛡷𪁩𨱨𧑝𚐾𘠰𘠿𬱛𬱛𥁝👑𛁔👶𧐽𘠠𘠺𜀬𩀽𩁯𨱵𫑥𫡴𛡢𫱤𮐬𩀮𪑮𫡥𬡈𥁍𣀽𘠼𬁲𩐾𘠫𬰮𪡯𪑮𨁠𛁤𛡳𭁹𫁥𛡦𫱮𭁓𪑺𩐽𙰵𩑭𙰻`.replace(/u../g,'')))

Apr 2 2020 9:23 AM UTC

}// 132/140

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15 puzzle #game #interactive

u/Kirjava

control with IJKL
u/katkip

Works on light theme

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Kirjava

function u(t) {

for(a=0;a<6;)r=(1+C(8*a))*(1+.1*C(24*a))*(1+.1*C(200*a))*(1+S(a+=.01))*180,x.lineTo(S(q=a-4.7)*r+900,C(q)*r+900);x.fillStyle="#0A0",x.fill()

Apr 1 2020 6:25 PM UTC

}// 140/140

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just a normal plant leaf

u/katkip

dank
u/metamero

great! #legalize _\|/_
u/SophiaCristina

I really like this plant!

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