Dweets awesomed by u/M1T0

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: #ScaryMovies

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katkip

function u(t) {

eval(unescape(escape`𦀽𞐶𜀬𦐽𝐴𜀬𦠽𝀰𜀭𭀪𞀻𮀮𩡩𫁬𤱴𮑬𩐽𘠣𜀰𜀲𘠻𮀮𩡩𫁬𤡥𨱴𚀰𛀰𛀲𩐳𛀲𩐳𚐻𩡯𬠨𪐽𞐻𪐭𛐻𚑸𛡦𪑬𫁓𭁹𫁥👠𪁳𫀨𙁻𦠪𜐰𜁽𛀹𞐥𛀵𜀥𚑠𛁸𛡦𪑬𫁒𩑣𭀨𦀭𦠯𝐬𦐭𦠯𝐬𦠯𝀬𦠯𝀩𛁘𚰽𠰨𦀫𦠯𞐩𚡚𛁙𚰽𤰨𦐫𦠯𞐩𚡚𛁚𛰽𭀠`.replace(/uD./g,'')))

Nov 27 2019 11:56 AM UTC

}// 133/140

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Zooming out from the solar system

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Xen

remix of d/7126 by u/dwardu

function u(t) {

r=n=>(t**t%n|0)*97
x.drawImage(c,r(19),r(9),192,192,r(20),r(11),w=96,w)
x.fillStyle=R(r(3))
x.fillRect(r(21),r(11),w,w)

Nov 25 2019 7:37 PM UTC

}// 119/140

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test

u/veubeke

Test successful: crashes my Safari on iOS every time
u/Xen

oops, sorry V

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rnbw

function u(t) {

for(c.width^=i=0;i++<210;)for(j=0;j++<7;x.fillStyle=`#f`+j*15)x.fillRect(i*9,540-S(a=t-i/80*C(t+i/69)+j*.89)*230,9,Math.max(210*S(a-1.1),0))

Nov 25 2019 7:18 PM UTC

}// 140/140

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an attempt at something like a twister

Show more comments…
u/Xen

mmmmm tasty!
u/tomxor

my exact thoughts #marshmallow
u/katkip

twisted icecream
u/Xen

#flump
u/joeytwiddle

That's a very juicy #twister!
u/cyhawk

I teach 9-year-olds programming and used a tidied up version of this to show them how to figure out how something works. They loved it! Thanks! I've added a bit of gap between the strands to make it easier to understand, and I think it looks good. Like Math.max(180*S(a-1.2),0).
u/rnbw

wow, i would have never thought that my recreational programming would be used for educational purposes. glad i was able to help those kids out on their journeys!
u/danny@hille.dk

Just saw this, nice code man! Save 11 b like this: for(c.width=i=300;i--;)for(j=8;j--;x.fillStyle=#f+j*15)x.fillRect(i,99-S(a=t-i/80*C(t+i/99)+j*.9)*40,1,Math.max(40*S(a-1.1),0))

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Xen

remix of d/16715 by u/username

function u(t) {

for(b=127;b--;x.strokeStyle=`hsl(${a*99},70%,50%)`,x.stroke())x.beginPath(x.lineWidth=a=9*S(t+b/99)+3),x.arc(960,540,b*9,a^t,a)

Nov 23 2019 5:02 PM UTC

}// 127/140

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Suck my rainbow!

u/katkip

nice xenweet
u/Xen

#Xweet 😂😂😂

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katkip

function u(t) {

eval(unescape(escape`𭁼𯀨𮠽𜀬𮀮𩡩𫁬𤡥𨱴𚀰𛀰𛀲𩐳𛀲𩐳𚐩𞱩𩠨𭀾𜰮𜐩𮀮𨱬𩑡𬡒𩑣𭀨𞐶𜀫𤰨𝀫𚁺𚰽𜰩𚐪𚁺𛰴𚰴𜀰𚐬𝐴𜀫𠰨𮠩𚠨𮠯𜐲𚰲𜀰𚐬𞐬𞐩𞱥𫁳𩐠𮀮𨱬𩑡𬡒𩑣𭀨𞐶𜀫𤰨𭀩𚠴𛀵𝀰𚱃𚁴𚐪𝀬𤰨𭀩𚠹𞐬𠰨𭀩𚠹𞐩`.replace(/uD./g,'')))

Nov 23 2019 4:57 PM UTC

}// 123/140

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#waitforit

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pavel

function u(t) {

for(i=c.width|=0;i--;x[i%64?'fillRect':'clearRect'](!x.rotate(Math.atan(y-8)),9,9,9))y=(i>>6)-t%1,x.setTransform(9,0,0,2,960,64*y+(i%64||3))

Nov 21 2019 8:17 AM UTC

}// 140/140

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#box #loop

u/aleamb

oh! wow!

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pavel

remix of d/16679 by u/DataMeta

function u(t) {

t||x.fillRect(0,0,2e3,2e3)
for(n=8;n--;x.clearRect(960+i*C(n?i:c-e),540-i*S(n?i:c+e),s=n/2||6,s))
i=320+781*Math.random()*!!n,c=t%11,e=c>6.3

Nov 21 2019 2:51 AM UTC

}// 140/140

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#planet

u/pavel

Small remix with a background that doesn't draw over the planet
u/rnbw

"n?i:c-e" indeed
u/DataMeta

Cool! :)
u/Xen

oooooooo nice

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tomxor

function u(t) {

eval(unescape(escape`眽㤰Ⱪ㵬㵷⩷⼵ⱴ㴱⭴⩴⼱㈻景爨砮晩汬剥捴⠰ⰰⱣ⹷楤瑨㵷⨲ⱷ⨲⤻椭ⴻ砮晩汬剥捴⡘⨶ⱙ⨶ⰱ⭋ⰵ⤩堽椥眯㌬夽椯眬䘽琭椯氬䬽ㄭ䘥ㄬ䬪㴨奞堭繆⤯㈷┱⭋⨪㠬砮晩汬却祬攽恨獬⠤筩⨱㈰紬㤹┬⑻䬪㤹紥⥠`.replace(/u(..)/g,"$1%")))

Feb 14 2019 12:46 AM UTC

}// 140/140

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Trinitron #crt #scanline #fractal

u/tomxor

Finally resorted to UTF8. This is a reasonably accurate slow motion aperture grille scanline animation... Although if run very slow you will see it's not simulating 3 electron beams. t=fps (scanline) w=width (subpixels) the later must be a multiple of 3 and 5. Use X, Y and floored F to plugin your own fractal!
u/tomxor

Uncompressed: w=90,i=l=w*w/5,t=1+t*t/12; for(x.fillRect(0,0,c.width=w*2,w*2);i--;x.fillRect(X*6,Y*6,1+K,5)) X=i%w/3,Y=i/w|0,F=t-i/l,K=1-F%1,K*=(Y^X-~F)/27%1+K**8, x.fillStyle=hsl(${i*120},99%,${K*99}%)
u/sigveseb

Kick-ass!
u/C010011012

bypassing the character limit I see using unicode escapements and regex u r very clever

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23_Skidoo

remix of d/12291 by u/23_Skidoo

function u(t) {

for(s=24,d=360,i=4e3;i--;f=(C(X)*s+Y)/d-t,x.fillStyle=`hsla(${S(f)*d} 66%${C(f*9)*C(f*s+t)*51+Y/d*8}%`)x.fillRect(X=i%82*s,Y=~~(i/82)*s,s,s)

Feb 11 2019 9:11 AM UTC

}// 140/140

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u/pavel

FYI the trick of not putting a delimiter between s and l in the hsl call does not work in Safari, its all just black.
u/sigveseb

Kinda looks like a knitted sweater :)

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katkip

function u(t) {

c.width^=d=[];q=50*t|0;for(k=q;k--;)d.push((C(k*k)*3))
for(i in d.sort(g=(a,b)=>a-b))x.fillRect(1920/q*i,540+S(d[i]*d[i]+t)*300,2e3/q,999)

Feb 10 2019 3:10 PM UTC

}// 138/140

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Fluid sin, thx u/Undefined for golf help

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