Hot dweets by u/metamero

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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metamero

function u(t) {

for(i=999;--i;i&1&&x.fillRect(z*(i%23),z*(i/23|0),z,z))z=90

Oct 29 2019 3:37 PM UTC

}// 59/140

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59B checkered pattern ! new ultra-golf challenge ! rules proposed on discord

u/New_Core

I didnt read the rules but here is a 48B for(i=166;i--;)x.fillRect(i%24*90,i%14*90,90,90)
u/pavel

Would be good to put the rules here... Can the scale be not 90? Seems like a bad number. 120 fits nicely horizontally and vertically, I'd choose that. Or a power of two for possible bit twiddling.
u/metamero

rules of this one: - full render on first/each frame - full resolution - exact 12 squares on vertical

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metamero

function u(t) {

o
        ab
surdo
não
         h
ouve

}{c.outerHTML=`<textarea rows=6 style="resize:none">${code}`

Oct 25 2019 2:43 PM UTC

}// 100/140

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poema de Walter Franco - publicado na revista artéria #2 em 1976 - transcriação - homenagem ao compositor que nos deixou ontem

u/metamero

disponível aqui: https://issuu.com/amir_brito/docs/arteria2
u/metamero

[en] poem by Walter Franco - originally published in Artéria #2 magazine in 1976 - transcreation - tribute to the composer who left us yesterday - brazilian concrete poetry
u/metamero

this is also a #quine #dwitterquine

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metamero

remix of d/16265 by u/metamero

function u(t) {

x.globalCompositeOperation='xor'
x.fillRect(0,!x.drawImage(c,T=!T,1),T,T)

Oct 23 2019 3:16 PM UTC

}// 73/140

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73 byte remix #gameoflife #sierpinski

u/Xen

wow!!! love it
u/Qwitter

periodic too

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metamero

remix of d/16248 by u/Xen

function u(t) {

x.globalCompositeOperation='xor'
x.fillRect(0,!x.drawImage(c,z=t?-z:1,1),z,z)

Oct 23 2019 3:16 PM UTC

}// 77/140

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77 byte remix #gameoflife #sierpinski

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metamero

function u(t) {

localStorage.Ç="𫢁򑒤𰀅𐱣𐳅𜸄𱂀𑀃𰰣𹑮𰘃𩂀𐰃𨰃𩒀𐱤𨁠𨲡򨸄𒰋𐲃𐵄񨅠𨁠𩂁򂡄𹀇𢒫񣅀𨁠𐱄𹀧𢒫𴢀𸦇𒐉𐲃𒐃𒐉𐲃𸂂񉔀񐧈𰣥񠐱𸩧񑁑񉐮𡂤𙱉𺵌񠁠𨀣𡂤𑱉𺱯𛙦򙁄񚧧𢃨񛄠𨁠𙀉𐰉𒐃𰲁𰣥񐕢򁀣򒀈𒀃𨰃𹄀񐁠𨁣𰙥򑀇𑰃𰰃𩃠񈁠𨁤𰐃"
location='/id/15868'

Oct 1 2019 4:38 PM UTC

}// 121/140

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"código" poem logo by Augusto de Campos (1973) transcreation by Marcos Assis (2019)

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metamero

remix of d/15869 by u/metamero

function u(t) {

localStorage.ć=" -.0123456789Mal"
localStorage.Ć="񔄽񀕎𰌅񵀳񁀿񀑎𰌄񕄴𴄽񀍎𰌃𵀳񀍀𰌃𵄳󬄽𰰌㐰살𰌌򴄴񔉍󂨈򰯥𳀰𨐓𥵻򑡔򮪒゠񀍃󗘦𘕂񒇻𿌈𠥀󓂅񔉁󂨘򰯥𳀰𨐃񁵻蕂𥇳𰢫䀰򊬤〰󪤨𰨊𔐰򨉤󩄽𰤉㌰達𰌉񔄳󨄽𰠈㐰耴𰌈𴄴"
location='/id/15879'

Oct 2 2019 11:33 PM UTC

}// 137/140

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new version of "código" with 5to1 compression : 5 chars (of 16 different values) compressed in each unicode char

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metamero

remix of d/15868 by u/metamero

function u(t) {

with(localStorage)t?i<325&&x.fill(new Path2D(ç+=ć[[...Ć][i/5|0].codePointAt(x.transform(42,0,0,42,960,540,c.width|=1))>>i++%5*4&15])):i=ç=''

Oct 2 2019 11:30 PM UTC

}// 140/140

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new path filler for "código" : parses 5to1 compressed string : uncompressed dweet

u/joeytwiddle

Clever!

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metamero

function u(t) {

eval(unescape(escape`𨰮𭱩𩁴𪁼🐱𞱸𛡴𬡡𫡳𩡯𬡭𚀴𜠬𜀬𜀬𝀲𛀹𝠰𛀵𝀰𚐻𭀿𮀮𩡩𫁬𚁮𩑷𘁐𨑴𪀲𡀨𣰫🐢𘀭𛠰𜐲𝀵𝠷𞀹𠑈𣑖𨑨𫑶𘡛𫁯𨱡𫁓𭁯𬡡𩱥𛣇𛡣𪁡𬡃𫱤𩑁𭀨𢐯𜠩🠾𢐫𚰥𜠪𝐦𜰱𧐩𚐺𣰽𢐽𙰧`.replace(/u../g,'')))}playDemo();{

Oct 1 2019 4:36 PM UTC

}// 126/140

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path filler for "código"

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metamero

remix of d/15691 by u/camel_case

function u(t) {

x.font="38px'"
x.fillText(["╲","╱"][Math.random()+.5|0],(t%1)*1920,(t%1?-~t:t)*37)

Sep 11 2019 4:36 PM UTC

}// 82/140

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u/joeytwiddle

This looks correct on my Mac
u/joeytwiddle

Shave 1 char with Math.random()*2|0

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metamero

remix of d/15480 by u/metamero

function u(t) {

throw T=-~T

Aug 29 2019 1:28 PM UTC

}// 11/140

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11B variable reuse init demo

Show more comments…
u/tomxor

Good for integer init, this is because bitwise operators in JS coerce all non-number types to 0 (but also temporarily cast to int32 destroying floats)
u/tomxor

this includes trully undefined (not undefined _type_), so you can use it to init non existant properties on an object/function e.g u.foo=-~u.foo
u/katkip

nixw
u/katkip

^ nice
u/aleamb

#codehack #code_tricks #code
u/DataMeta

#hiddengems
u/DataMeta

#hiddengem *

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