Dweets awesomed by u/E-Mouse

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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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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username

remix of d/12129 by u/rodrigo.siqueira

function u(t) {

X=Y=0
for(c.width|=i=1e3;i--;X=X*C(2*(t+Y))+Y/4,Y=C(2*X+Y+t/3)-S(i+X+t)/3)x.fillRect(1e3+X*742,521+Y*338,5,5)

Feb 8 2019 11:27 PM UTC

}// 109/140

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#golfed

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pavel

remix of d/12230 by u/pavel

function u(t) {

for(c.width|=p=2*Math.PI,x.scale(9,9),i=13;j=i--*p/6;x.arc(107+45*C(A=j-t/4+i*p/12),60+45*S(A),14,a=(t+j)%p,a));x.stroke()

Feb 8 2019 8:33 PM UTC

}// 122/140

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I like how the corners are "walking"

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cantelope

function u(t) {

eval(unescape(escape`𩡯𬠨𮁛𩠽𙱦𪑬𫁓𭁹𫁥𙱝👠𘰰𜀶𜡠𛁸𛡦𪑬𫁒𩑣𭀨𜀬𜀬𭰽𜡥𜰬𭰩𛁩🐹𞐻𪐭𛐻𮀮𩡯𫡴🐹𞐫𪀯𞀫𙱰𮀠𨐧𛁸𛡦𪑬𫁔𩑸𭀨𙰪𙰬𭰭𚁩𚠪𝐫𭀪𚁷𚱨𚐯𝀩𙐳𩐳𛁩𚠪𝰥𭰫𤰨𪐫𭀪𜰩𚡩𚠳𚐩𮁛𩡝👠𪁳𫁡𚀤𮰨𪀽𪐪𪐩𚱴𚠸𜀰𯐬𞐹𙐬𝠰𙐬𙁻𜐯𚀱𚱨𛰱𩐳𚑽𨀻`.replace(/u../g,'')))

Feb 6 2019 8:45 PM UTC

}// 140/140

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u/katkip

#compressed
u/sigveseb

Cool
u/magna

I love this!
u/iverjo

Trippy! Very good

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joeytwiddle

remix of d/12000 by u/yokljo

function u(t) {

for(c.width|=j=20;j--;)for(g=j*120,i=99;i--;)x.fillRect(i?g+i/30*S(1e3/i-t*8+j*j*400)*i/2:g,i?i*5+600:0,120+60*S(j*j*(t|1)),i?5:600)

Jan 31 2019 6:22 AM UTC

}// 132/140

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A little remix of yokljo's city river

Show more comments…
u/katkip

Huh nice
u/joeytwiddle

Scrolling instead of switching: for(c.width|=j=15+t|0;j-->t;)for(g=(j-t)*180,i=99;i--;)x.fillRect(i?g+i*S(1e3/i-t*8+j**3):g,600+!!i*i*5,-99-80*S(j*j),i?3:-600)
u/username

What is this supposed to be? I only see black squiggly lines..
u/joeytwiddle

I think it's supposed to be buildings reflect in water. for(c.width|=j=20+t|0;j-->t;)for(g=(j-t)*120,i=W=99;i--;)x.fillRect(i?g+i*i/70*S(1e3/i-t*8+j**3):g,500+!!i*i*4,-W-80*S(j*j),i?3:-300-W*S(j))
u/donbright

oh my god
u/joeytwiddle

Please give u/yokljo an upvote. I only tweaked their idea! #water #waves
u/Tekmap

👏👏👏
u/vain

cool fx

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cantelope

function u(t) {

eval(unescape(escape`𩡯𬠨𭰽𞐶𜀬𮁛𩠽𙱦𪑬𫁒𩑣𭀧𧐨𜀬𜀬𪐽𚁣𛡷𪑤𭁨𯀽𜀩𛁩𚐻𪐭𛐻𮁛𩡝𚁷𚰨𤰨𨠩𚠳𚱓𚁰👩𚡩𚱴𚐪𤰨𬐽𪐪𪐪𪐩𚐯𚁚🐶𚱃𚁢𚐪𜰫𠰨𬀩𚡓𚁱𚐩𚡷𛀵𝀰𚰨𠰨𬐩𛑃𚁢𚱴𚐩𛱚𚡷𛁳🐱𚰱𝐰𛱚𛱚𛁳𚐩𮀮𩡩𫁬𤱴𮑬𩐽𨁨𬱬𚀤𮰨𨠽𪐥𝠫𭀩𚠶𜁽𛀹𞐥𛀶𝐥𨀻`.replace(/u../g,'')))

Jan 26 2019 7:00 AM UTC

}// 140/140

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for(w=960,x[f='fillRect'](0,0,i=(c.width|=0),i);i--;x[f](w+(S(b)*3+S(p=i*i+t)*S(q=i*i*i))/(Z=6+C(b)*3+C(p)*S(q))*w,540+(C(q)-C(b+t))/Z*w,s=1+150/Z/Z,s))x.fillStyle=hsl(${(b=i%6+t)*60},99%,65%

u/adaq

d

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ETHproductions

function u(t) {

i=0;for(c of"社⪿䘮㨿䚿ҿ瘮粟䟱㸰沟䈟糟砿㨮᤿笮夿⚲ߡ縏㸟綟沛ྃ亹翿")for(;~++i%20;)c.charCodeAt()>>i%20&1&&x.fillRect((i/5|0)%36*40,(i%5+6*(i/180|0))*40,40,40)

Jan 25 2019 5:40 AM UTC

}// 132/140

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3x5 pixel alphabet, each letter encoded in 15 bits

u/katkip

hehe cool
u/metamero

create your own glyph with d/11967
u/metamero

there is an error in this code. replace to i=-1; so it can draw the first pixel

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f8f82804

remix of d/11919 by u/mxfh

function u(t) {

for(c.width|=i=384;i--;x.fillRect(960-w/2+e,4*i,w+e,4)){y=i/80-2;w=y>.7?3e3:(1-y*y)**.5*640;e=T(t/9+i*w);x.fillStyle=`hsl(${-y}rad 99%50%)`}

Jan 24 2019 8:12 PM UTC

}// 140/140

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#minimal #outrun #glitch #sunset

u/f8f82804

d/11931
u/pavel

Omitting the space in 99%50% does not work in Safari, everything is black.
u/f8f82804

yeah safari stinks
u/f8f82804

try "for(c.width|=i=384;i--;x.fillRect(960-w/2+e,4*i,w+e,4))y=i/80-2,w=y>.7?3e3:(1-y*y)**.5*640,e=T(t/9+i*w),x.fillStyle=hsl(${-y}rad 99% 50%)" which should work and is still <140
u/bekfast2390

easrdfghj

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pavel

function u(t) {

with(x)for(c.width|=j=-8*t%1;j++<32;clip(fill(arc(960+40*j*S(j/9+t/5),700,5e3/j,9,13))))beginPath(fillStyle=R(a=9*j,a,a))

Jan 23 2019 11:54 PM UTC

}// 121/140

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#tunnel using clip()

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u/joeytwiddle

Sir. *applause*
u/jylikangas

Smooth!
u/katkip

:0
u/magna

#pavel
u/iverjo

Very nice!
u/bekfast2390

sick dude!!!
u/vain

Fucking cool!
u/visualDev

I am new here sorry how to run this locally?

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mxfh

remix of d/2442 by u/mxfh

function u(t) {

c.width|=b=50
h=S(t)
for(e=6.283;e>0;x.lineTo(d*C(e-=.01)+h*(C(e)+T(e/3+t/T(e)))+960,d*S(e+S(t)/9)-h+540))d=420
x.fill("evenodd")

Jan 22 2019 11:44 PM UTC

}// 129/140

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u/Xen

NICE! :-)
u/katkip

Haha
u/magna

#glitch
u/mxfh

this one doesn’t even need the fillrule. Was just looking into other cycloids and Lissajous figures, only to end up with a circle.

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