Dweets awesomed by u/sawaxon

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: #Opposites

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sawaxon

function u(t) {

c.width|=0;for(j=0;j<99;j++)for(i=0;i<8;i++){x.fillStyle=`hsl(${i*40},99%,50%)`
x.fillRect(j*9,400+i*50+S(j/40+t*3)*150,9,50)}

May 24 2018 3:09 PM UTC

}// 127/140

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u/joeytwiddle

nya nya nya nya nya, nya nya nya nya nya

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aemkei

remix of d/7590 by u/aemkei

function u(t) {

c.width=999;for(i=79;i--;x.fillRect(500+S((X=t*9-i/9)/9)*300+S(t/2+i*i)*(O=S(i)*(i+39)),300+C(X/6)*99+C(t/9+i)*O,6,6))x.fillStyle=R(i*4,0,0)

Apr 7 2018 7:36 PM UTC

}// 140/140

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Bird

u/fujimotos

It looks to me like a school of fish. Nice work!
u/katkip

#ai
u/rep_movsd

#underrated

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Agnes

function u(t) {

for(w=c.width|=i=M=100;i--;f=i/M,x.font=~~(M*f)+"px A",x.fillText("･｡☆∴･ﾟ*★*ﾟ".charAt(i%8),(f*(.9+.1*S(i+f*t)))*w,f*(.7+.3*C(i+t/f))*1080));

Apr 7 2018 12:19 PM UTC

}// 140/140

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Characters taken from that weird Twitter meme.

u/BalintCsala

Can't charAt be changed to [i%8]?
u/joeytwiddle

Magical!

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jylikangas

function u(t) {

c.width=300+S(t/2)*99
with(x)for(i=17;--i;fill())globalAlpha=.2,arc(X=99+i*S(t/3)*3,70,450/(Z=i-t*6%1),2.7,6.7)&rect(X-(z=150/Z),70+z,z*2,7)

Mar 31 2018 10:18 AM UTC

}// 140/140

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Tribute to Strange Crystals

Show more comments…
u/iverjo

Very good tunnel!
u/p01

✨ You can save 3 bytes by replacing 2.7 and 6.7 by 9 and 13
u/jylikangas

Thanks! Improved version: c.width=W=350+C(t)*150 with(x)for(i=17;--i;fill())globalAlpha=.2,arc(X=W/2+i*S(t/3)*4,70,450/(Z=i-t*8%1),9,13)&rect(X-(z=150/Z),70+z,z*2,7)
u/iverjo

#tunnel
u/sigveseb

#witchcraft
u/pavel

Even better with(x)for(c.width=W=350+C(t)*150,i=17;--i;fill(rect(X-z,70+z,z*2,7)))globalAlpha=.2,z=150/(i-t*8%1),arc(X=W/2+i*S(t/3)*4,70,3*z,9,13)
u/vain

This psydo 3D programming is just too high for me! My biggest respect! ! ++++

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jylikangas

function u(t) {

with(x)for(i=16,c.width=198;i--;stroke()&drawImage(c,globalAlpha=.1,i))lineTo(99+S(t+=(7-i)%2/.64)*99/(Z=(t<6)+1+C(t)),49+((i%4/2<<6)-25)/Z)

Mar 28 2018 5:24 AM UTC

}// 140/140

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White room traps you!

Show more comments…
u/aemkei

Stunning. As always.
u/joeytwiddle

Whoa! 😮
u/zanella

There's. A. Reflection. In. The. Floor.
u/loni_art

jesus!
u/iverjo

Well done!
u/DirtyDan

Remixed: d/7500
u/DirtyDan

whoops, wrong dweet
u/DirtyDan

Well this was a train wreck, wrong link too
u/jylikangas

http://jsriffs.blogspot.fi/2018/04/making-of…
u/joeytwiddle

#renderer #reflection #raytrace (or looks like it anyway)

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AnnanFay

remix of d/7492 by u/AnnanFay

function u(t) {

c.width|=0
P.push(1+P[2*(1<<Math.log2(f++))-f])
x.fill(new Path2D('M960,540'+P.map(v=>'hv'[v&1]+'-| '[v&2]).join(s=60/t**.5)+s))}{P=[f=1]

Mar 27 2018 9:42 PM UTC

}// 137/140

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Dragon Curve - filled version

u/Xen

love it!
u/joeytwiddle

novel presentation!
u/katkip

#julia #fractal
u/donbright

now thats a good way to draw a dragon

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New_Core

function u(t) {

for(c.width|=i=50;i--;x.fillRect(400*S(b=t+i/99),400*C(b*2),99,99))x.setTransform(-S(a=t+i),C(a),C(a),-S(a),960,540),x.fillStyle=R(200,i*3)

Mar 20 2018 6:03 PM UTC

}// 139/140

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u/aleamb

nice!

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nystrand

remix of d/7333 by u/Batrachus

function u(t) {

with(x)for(i=d=c.width=200;j=i--/d;fillStyle=R(d+i,d/j,arc(99+(i-79)*S(T(t)),S(3*j+S(t*7)/4)*75,j>.9?5:30*S(3*j+.3),0,7),fill()))beginPath()

Mar 19 2018 6:13 PM UTC

}// 140/140

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Remix of original and inspired by d/7372 by u/joeytwiddle

Show more comments…
u/yonatan

that's a damn fine banana!
u/sigveseb

Rockin'!
u/magna

WOOOOT!
u/joeytwiddle

very nice :D
u/aleamb

Dayyyy o! daaaay o! Come, Mister Tally Man, tally me bananaaaaa
u/Renaud___

wow :)
u/CtrlAltCuteness

That 'with' statement does have use here. Just hope it never conflicts with other needed functions.
u/joeytwiddle

#banana
u/vain

Great! How do you guys get the algos for such amazing fake 3d bananas? :)

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jylikangas

function u(t) {

for(X=c.width=450;X--;x[f](X%50*5+t%23*9,0,3,X))x[f='fillRect'](X-X%5*25,99+S(X*5)*5-(h=9*S(X%64/16))+(X>>6)*25%50,1,h*2)&x[f](X*2,50+h,9,1)

Mar 17 2018 8:47 AM UTC

}// 140/140

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Scanimation Fish

Show more comments…
u/Lynext

Genius!
u/magna

If some technique exists, there's a dweet version of it.
u/sigveseb

this is so impressive :)
u/sigveseb

https://www.youtube.com/watch?v=LCIsIfEOEI8 some more inspiration for other dweets perhaps!
u/iverjo

#fish
u/aleamb

#scanimation
u/pythech

blew my brains out
u/rep_movsd

#illusion
u/rep_movsd

#underrated
u/vain

this blow me away! How...? O.o

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Batrachus

function u(t) {

for(c.width+=i=0;(j=i++/(d=960))<1;x.fillRect(d+M*S(i)*C(t)+(j-.5)*S(t)*d,d/2+M*C(i)+S(3*j)*d/4,50,50))M=d*Math.max(0,S(2.5*j+.6)/6-.06)

Mar 14 2018 5:48 PM UTC

}// 136/140

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Show more comments…
u/magna

wow!
u/magna

this is bananas!
u/iverjo

I'm very impressed!
u/sigveseb

wooow
u/StarStep

Are you from 3018?
u/aleamb

superb!
u/Batrachus

Right now the formula is generating surface points on a coil-like curve. You can get a more ghostly banana by modifying the last two arguments of xfillRect to 5 and the first argument of Math.max to 0.03. You can probably golf this further by drawing circles with radius of M on a simple curve going through the banana's core.
u/alien

no way
u/joeytwiddle

~Remixes~ wireframe: d/7371 solid: d/7372 yellow: https://codegolf.tk/a/262 party: https://codegolf.tk/a/263
u/yonatan

and back to voxels: https://dweet.net/265/7393
u/joeytwiddle

The original dweet that started the #banana frenzy of 2018

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