Dweets awesomed by u/marc8

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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Jezza

function u(t) {

t||(X=Y=0);x.globalAlpha=.1;for(i=500;i--;)X+=S(Y),Y+=C(X),x.fillRect(X*60,Y*60,1,1);X=++X%33;Y=++Y%19

Mar 14 2019 2:55 AM UTC

}// 102/140

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X+=S(Y);Y+=C(X)

u/Xen

#waitforit
u/DataMeta

I really dig this

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marc8

function u(t) {

c.width=w=320
for(i=0;i<w;i++){
z=1-(S(k=(i-w/2)/11)/k)**2
x.globalAlpha=z**10 //gamma
x.lineTo(i,1+z*60)
x.fillRect(i,80,1,70)}
x.stroke()

Mar 12 2019 9:59 PM UTC

}// 139/140

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The physics dweets: single slit diffraction figure. Adjust the gamma value from 1 (accurate) to whatever (enhanced).

u/rodrigo.siqueira

Morlet Wavelet + Gabor filter #wavelet

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marc8

function u(t) {

c.width=w=360;i=0
r=_=>Math.random()*256
while(i<=w){x.fillStyle=i<w?R(r(),r(),r()):"#43A"
x.fillRect(0,i,w,i+=2)}x.fillRect(40,20,280,160)

Mar 4 2019 10:51 PM UTC

}// 139/140

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Still loading

Show more comments…
u/tomxor

Oh crap :D it all came flooding back, now i gota go play llamatron
u/tomxor

#retro #amiga
u/tomxor

I love this, we need more retro!
u/tomxor

I did the atari loading bee :P d/12717
u/Jezza

I love this!
u/marc8

#c64
u/UEZ

#decruncher

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Xen

function u(t) {

for(c.width|=i=9;i--;)for(j=22;j--;)
x.fillRect(400+i*100+S(t+j/29)*300,400+j*9,60,9)

Feb 27 2019 2:33 PM UTC

}// 85/140

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#default #wave

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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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xem

function u(t) {

c.width^=0;x.font="300px arial";s=(t*500)%1080;z=(a,b,c)=>x.fillText(a,(~~(s/b))*b,c);z("15fps",32,300);z("30fps",16,675);z("60fps",8,1050)

Feb 10 2019 7:46 PM UTC

}// 139/140

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How fast are your eyes?

u/magna

Nice!
u/Galaxtone

(People who think you can only view 30fps): No you just cheated and made 60fps -> 30, 30 -> 15 and 15 ->
u/Galaxtone

7.5*
u/Galaxtone

and I'm like (Me): Why would anyone lie on the internet

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metamero

function u(t) {

oremâtem='‮<p style=padding:1em;font-size:42px>‮ȯ̇̉rͬeͤm͓ͭaͭ̌͛tͥeͦmͩ';document.body.outerHTML=oremâtem

Jan 15 2019 1:02 PM UTC

}// 103/140

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u/katkip

? i don't understand the code
u/katkip

oh, ...

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jylikangas

function u(t) {

eval(unescape(escape`睩瑨⡸⥦潲⡪㵣⹷楤瑨㴴ㄲ⭓⡴⼲⤪㤸㭶㵪ⴭ㰼㌻扥杩湐慴栨晩汬⠩⤩景爨椽㔻椭ⴻ捬敡牒散琨愪愥㜱㈬琪瘥㐰〬椬㌩⥦楬汓瑹汥㵒⡪⼲ⰹ㠭瘬樼㤸㼱㤰⵶㩪⤬汩湥呯⠹㠫匨愽椪㤸⭶⭴⼸⤪瘬㠰⭃⡡⤪瘫瘭樯㈩`.replace(/u(..)/g,"$1%")))

Dec 20 2018 8:08 PM UTC

}// 140/140

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Magical Winter Forest

Show more comments…
u/joeytwiddle

beauty
u/pavel

unreal
u/aleamb

oh man!
u/aleamb

#landscape #winter
u/katkip

cool
u/BuRRak

VERY COOL
u/zanella

OH MY GOD! SERIOUSLY?
u/Xen

Serious Awesomeness!
u/lionleaf

That's insane! Woah!
u/lionleaf

#magic #forest #xmas #snow #purple
u/magna

how do you even
u/andc2600

Amazing
u/donbright

heehee
u/rodrigo.siqueira

#christmas #tree
u/vain

I cant believe what i see from this 140 chars of compressed code. Nice colors and amazing work/execution!!

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New_Core

function u(t) {

for(c.width|=f=i=300;i--;i<9?(x.arc(960+a*30,b+i*90,20,0,7),x.fillStyle=R(i*f,50),x.fill()):0)x.rect(960,b=i*3+50,a=i*S(i*9+t),5*S(i)+9)

Dec 20 2018 3:24 PM UTC

}// 136/140

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Merry Christmas

u/cantelope

#christmas #tree

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marc8

function u(t) {

c.width|=a=300
with(x){font=a+"px a"
globalCompositeOperation='xor'
fillText("┃┃┃┃┃┃┃┃",a+200*S(t),y=700)
fillText("dwitter",a+200*C(t),y)}

Dec 14 2018 11:28 PM UTC

}// 139/140

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dwitter.net | marc8 (2708)