Dweets awesomed 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: #Food

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sirjofri

function u(t) {

c.width=1920
for(j=0;j<10;j++)for(i=0;i<19;i++)
x.fillStyle=`#${((j+i/2)%4)*2}00`,x.fillRect(i*100+T(t+j),j*100+T(t/10+i),100,100)

Oct 1 2019 6:54 PM UTC

}// 130/140

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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

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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taupelink

remix of d/15661 by u/taupelink

function u(t) {

for(f=.5,i=d=e=1e3;i--;x.fillRect(960+d*z*C(e),540+d*z*S(e),f,f))r=20+Math.random(z=60)*z|0,[d,e,f]=[r/5+f*C(d),r+f*S(d)/r**.5,r%2+.5/f**.5]

Sep 29 2019 9:00 PM UTC

}// 140/140

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d/15854

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KilledByAPixel

remix of d/15724 by u/KilledByAPixel

function u(t) {

$="𖥀𒩨򐢚򸀦򪪁񺚔򚮦򻿽􊪀𓳼󐀃"
eval(unescape(escape`𩡯𬠨𨰮𭱩𩁴𪀽𪐽𜠲𝀻𪐭𛐻𭠿𮀮𩡩𫁬𤡥𨱴𚀱𜰫𚀨𫐽𚀱𞐹𚡴𙑔𚐥𥁼𜀩🠱𞐷🱔𛑭𞡭𚐭𪐥𞀪𚁩🠱𜐲🰭𜠺𜠩𛀹𞀫𢐯𝁼𜀬𜠬𜠩𞡔🐳𞐴𚑉👩𙐱𜐲𛁸𛡦𪑬𫁓𭁹𫁥👒𚁶🐤𛡣𪁡𬡃𫱤𩑁𭀨𢐯𝐩🠾𢐥𝐪𜠦𜰬𭠪𞀵𚐻`.replace(/u../g,'')))

Sep 29 2019 5:03 PM UTC

}// 140/140

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Koopa Shell Bounce

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joe.m

remix of d/15836 by u/joe.m

function u(t) {

t?0:q=j=4900,d=[-1,99,1,-99]
x.globalCompositeOperation='xor'
j+=u[q]?-1:1
u[q]^=1
q+=d[j%4]%9801
x.fillRect(19*(q/99|0),10*(q%99),18,8)

Sep 28 2019 2:08 PM UTC

}// 136/140

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langton's ant. Chaos becomes order after about 10k iterations, wait for it...

u/joe.m

#emergent #automata
u/KilledByAPixel

Welcome to the #ant club!
u/Xen

nice!

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joe.m

function u(t) {

w=1920
f=12.57/w
t?0:y=[]
j=t*120+1
for(i=0;i<w;i++)
{
if(!t)y[i]=0
y[i]+=S(i*f*j)/j
x.fillRect(i, 520+400*y[i], 1, 1);
}

Sep 27 2019 2:59 PM UTC

}// 121/140

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ooh, you can keep state!

u/tomxor

#fourier
u/tomxor

Welcome to Dwitter! you can also use u instead of y to save the initialisation space, as you can use functions for their object properties.

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rodrigo.siqueira

function u(t) {

x.fillStyle='gray';x.fillRect(250,440,1420,200)
x.fillStyle=R(t*70,t*70,t*70)
x.fillRect(t*510,0,9,1080)

Sep 27 2019 2:25 PM UTC

}// 104/140

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Illusory gradient grayscale ("Simultaneous Contrast Illusion"). The bar in the middle is a CONSTANT SHADE of gray. Viewing two colors at the same time influences both of their appearances. #gradient #illusion

u/iverjo

#opticalillusion

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taupelink

remix of d/15498 by u/taupelink

function u(t) {

for(i=d=e=f=1e3;i--;x.fillRect(d*z,e*z,h=f/(1+f),h))[d,e,f]=[(r=8+Math.random(z=92)*z|0)/5+(r%1.4+f)*C(d-f),r%11+(f+r%.8)*C(d/2+r),r%.7+f/4]

Sep 27 2019 4:17 AM UTC

}// 140/140

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d/15821

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zooi

function u(t) {

c.width=600
for(y=0;y<320;y+=10)for(X=0;X<320;X+=10)
(S(8*t+4*Math.atan2(y-160,X-160))>0)?x.fillRect(X,y,10,10):0

Sep 25 2019 2:47 PM UTC

}// 113/140

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messing around

u/Xen

nice
u/robbyg

Nice first dweet!

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