Dweets awesomed by u/Ath0r

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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robbyg

remix of d/12540 by u/Ath0r

function u(t) {

c.width|=0
for(h=21;h--;)for(v=12;v--;){
x.beginPath()
for(i=8;i--;)x.lineTo(100*h+125*C(z=t+2.093*i),100*v+125*S(z))
x.stroke()
}

Feb 27 2019 3:03 PM UTC

}// 130/140

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Triangles for DAYS.

u/Ath0r

Cool! :)

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Ath0r

function u(t) {

c.width=1920
p=[a=960,a/3]
w=i=>[a+300*C(z=t+2.09*i),800+100*S(z)]
f=i=>x.lineTo(...i)
for(i=6;i--;){b=f(w(i));f(p);f(w(i))}
x.stroke()

Feb 26 2019 9:07 PM UTC

}// 135/140

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My first dweet (simple pyramid)

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u/katkip

Nicee
u/Ath0r

Thanks! It's the first time I've tried, so probably I missed a lot of tricks to reduce characters... Any feedback or tips are welcome! :D
u/13thptr

b is unused so you can remove it :)
u/13thptr

nice dweet btw
u/13thptr

127:c.width=1920 w=i=>[960+300*C(z=t+2.09*i),800+100*S(z)] f=i=>x.lineTo(...i) for(i=6;i--;)f(w(i)),f([960,320]),f(w(i)) x.stroke()
u/13thptr

ugh sorry here it is with semicolons instead of newlines
u/13thptr

c.width=1920;w=i=>[960+300*C(z=t+2.09*i),800+100*S(z)];f=i=>x.lineTo(...i);for(i=6;i--;)f(w(i)),f([960,320]),f(w(i));x.stroke()
u/Ath0r

Thanks a lot for the suggestions, @13thptr! Indeed, I forgot to remove the unused b and the characters you remove by avoiding the definition of p is also very nice :)
u/tomxor

It's a spinning simplex!! :D great 1st dweet
u/Ath0r

Thanks @tomxor :D
u/f8f82804

#d3 #wireframe

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New_Core

function u(t) {

for(c.width|=i=999;i--;)x.fillRect(960+i/3*S(a=i/9+(500*S(t/5)+500-i)*S(t+i/3)/500),540+i/3*C(a),9,9)

Feb 26 2019 10:48 AM UTC

}// 101/140

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u/tomxor

very nice

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pavel

remix of d/12516 by u/pavel

function u(t) {

for(;t<9;)u[c[t]=t]=50*t++
for(c.width|=a=9;b=a--;u[b]-p<50&&(c[a]=c[b],c[b]=v))x.fillRect(960+(p=u[a]+=v=c[a]*=u[a]**2<8e5||-1),440,50,200)

Feb 26 2019 12:36 AM UTC

}// 140/140

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#default #physics #uncompressed

u/13thptr

cool
u/lionleaf

Amazing!
u/Ath0r

Very nice!
u/katkip

!!

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katkip

function u(t) {

c.width*=1;for(j=125;j--;)for(i=30;i--;)x.fillRect(960+C(6.24/20*i+C(j))*500,540+S(6.24/20*i+C(t+j))*500,10,10)

Feb 24 2019 7:03 PM UTC

}// 111/140

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katkip

remix of d/12510 by u/katkip

function u(t) {

c.width*=1;x.lineWidth=4;for(j=79;j--;)for(i=5;i--;)x.lineTo(960+C(i*1.57+j/(20+C(t+j/29)*5)+t)*200,900+S(i*1.57+j/99+t)*60-j*9);x.stroke();

Feb 24 2019 12:30 PM UTC

}// 140/140

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Twist

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katkip

remix of d/12451 by u/katkip

function u(t) {

for(c.width|=i=960;i--;)x.fillRect(i*2,740+C(i/59+t*5)*99,9,i);for(i=3;i--;x.beginPath())x.arc(210+i*728,675+C(t*5+7.9)*124,47,i,9),x.fill()

Feb 23 2019 7:15 PM UTC

}// 140/140

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u/cantelope

nice!
u/cantelope

i want them to hurry because the floor is disappearing!

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pavel

function u(t) {

eval(unescape(escape`𩡯𬠨𪐽𭀿𜡥𜰺𨐽𨠽𜀻𪐭𛐻𮀮𩡩𫁬𤡥𨱴𚀱𞐰𚡢𛀶𜀰𛐱𞐰𚡡𛀱𛀱𚐩𬠽𣑡𭁨𛡲𨑮𩁯𫐨𚐪𞐹𛁛𨐬𨡝👲🀱🱛𜀬𛠱𝠪𨡝𞡲🀸𝠿𦰮𞀵𚡡𚱢𛰲𝐬𛑡𛰲𝐫𛠸𝐪𨠫𜐮𝡝𞡲🀹𜰿𦱡𛰵𛐮𜠶𚡢𛀮𜠳𚡡𚰮𜠲𚡢𚰱𛠶𧐺𦰭𛠱𝐪𨐫𛠲𞀪𨠬𛠲𝠪𨐫𛠲𝀪𨠫𛠴𝁝`.replace(/u../g,'')))

Feb 14 2019 1:28 AM UTC

}// 138/140

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Barnsley #fern #fractal #compressed

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u/pavel

190 for(i=t?2e3:a=b=0;i--;x.fillRect(190*b,600-190*a,1,1))r=Math.random()*99,[a,b]=r<1?[0,.16*b]:r<86?[.85*a+b/25,-a/25+.85*b+1.6]:r<93?[a/5-.26*b,.23*a+.22*b+1.6]:[-.15*a+.28*b,.26*a+.24*b+.44]
u/tomxor

Holy ****
u/katkip

nice
u/metamero

this is beautiful!
u/lionleaf

That's amazing! #leaf
u/vain

Very nice barnsley fern
u/Joachim

#nature #organic

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pavel

remix of d/10922 by u/pavel

function u(t) {

with(x)for(c.width=960,s=270;s>2;stroke())rect(0,0,s*=.618,s),quadraticCurveTo(X=s*(.5+S(t)*.45),s-X,s,s),translate(s,s),rotate(T=S(t)*1.57)

Nov 10 2018 2:33 AM UTC

}// 140/140

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u/jonathan-potter

This is great! I spent some more time trying to use x.scale for sizing to make the math super pretty. It just ended up messier because linewidth needed modification :(

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nystrand

function u(t) {

for(i=w=3e3,a=b=g=333*T(t%9/7);j=(i^a*a)%4,i--;x.fillRect(a+=g+C(j*5+t)*g-a/2-w+g,b+=g+S(j*9+t)*g-b/2-w,s,s),w=2)x.fillStyle=R(s=w*9,w,s,.1)

Dec 28 2017 2:50 PM UTC

}// 140/140

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Show more comments…
u/sigveseb

This one is fantastic! Good job indeed
u/Bendoman

Brilliant!
u/Xen

very very impressive!
u/magna

HOW ON EARTH
u/nic

MIND:=BLOWN
u/lowpoly

Gawd, I learnt a lot today
u/Citiral

Since when does Javascript support black magic?
u/sigveseb

Needs more upvotes!
u/doof

this was such a delight to unpack :)
u/Lazy1337

wow
u/aleamb

amazing
u/iverjo

I'm awestruck
u/xem

unbelievable
u/trapkid

lol
u/aleamb

epic! one of the greatest dwitter
u/ThreeNPlusOne

sierpinski triangle :D
u/xem

It'd be nice to have a blog post explaining it :) (please?)
u/trupples

I didn't look much into it but it might have to do with a thing I read about once where if you have a point that "walks" half the distance towards a random corner of a triangle you'll end up drawing a sierpinski triangle sorta like you can see in https://www.dwitter.net/d/5097
u/trupples

And according to http://distrustsimplicity.net/articles/sierp… if you were to use 4 points instead of 3 you'd get a tetrahedron like in this dweet. Fascinating stuff
u/stiaje

#witchcraft
u/lionleaf

#top_of_the_year
u/Scaledish

wow
u/Tekmap

👏👏👏👏👏
u/vain

that's not from this world! incredible code / 3d fx and blur
u/rodrigo.siqueira

3D flying #sierpinski pyramid #fractal

dwitter.net | Ath0r (4847)