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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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rodrigo.siqueira

remix of d/17953 by u/tomxor

function u(t) {

c.width=-1;for(i=2e3;m=i&1,v=(K=t%2)<1?25:K%1*99**1.1,p=i%3*3,i--;)x.fillRect(150+p*S(P=i**.7)+v*C(V=i**.5+t),78+p*C(P)+v*S(V)*C(!p*i),1,1)

Mar 16 2020 11:30 AM UTC

}// 139/140

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Blowing The Enemy #coronavirus

Show more comments…
u/WorldMerge

This is really cool! Does setting the canvas width to -1 make it full-width?
u/rodrigo.siqueira

c.width=-1 is a trick I saw here (probably from u/pavel) that makes width=300 pixels. I used throw(c.width) to see "300". So it's a compact form to create a medium-low resolution image.
u/tomxor

300px is the default canvas width. What's particularly odd is that while setting negative numbers causes default value, everything else that ordinarily coerces to NaN will result in 0. e.g throw Number({}).toString() // NaN c.width={}; throw c.width.toString() // 0
u/tomxor

I guess in c++ land width has outofrange=300 and NaN=0
u/katkip

looks good
u/katkip

but dangerous

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rodrigo.siqueira

remix of d/17937 by u/tomxor

function u(t) {

c.style.filter=`blur(2vh)contrast(6e2%)`
for(c.width=128*5,i=6e3;i--;)x.fillStyle=R(50),x.fillRect(5*(i&127),i>>4,5,(i**3>>6)/(6+t/6e4)&9)

Mar 13 2020 2:17 PM UTC

}// 138/140

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#blood #cell #coronavirus attack

u/katkip

scary
u/tomxor

😱
u/aleamb

wow!!

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tomxor

remix of d/17936 by u/tomxor

function u(t) {

for(c.width=128,i=1e4;i--;)x.fillRect(i&127,i>>7,1,(i**3>>6)/(6+t/1e6)&1)

Mar 13 2020 2:20 AM UTC

}// 73/140

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u/joeytwiddle

Eternal battle between the black ants and the white ants
u/DataMeta

!!

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katkip

function u(t) {

eval(unescape(escape`𨰮𬱴𮑬𩐮𨡡𨱫𩱲𫱵𫡤👒𚀩𞱸𛡬𪑮𩑗𪑤𭁨🐱𜀻𮀮𨡥𩱩𫡐𨑴𪀨𚐻𩡯𬠨𬠽𚀳𜀰𚰱𜀰𛱴𚐬𪐽𞀻𪐭𛐻𚑸𛡡𬡣𚀹𝠰𚱃𚁩𚠳𛠵𞐫𛠷𚐪𬠬𝐴𜀫𤰨𪐪𜰮𝐹𚰮𝰩𚡲𛀰𛀰𛀰𚐻𮀮𬱴𬡯𪱥𚀩𞱸𛡳𪁡𩁯𭱂𫁵𬠽𝀰𛱴𞱸𛡳𪁡𩁯𭱃𫱬𫱲👒𚀱𜀰𛱴𛀳𜀰𛱴𚐠`.replace(/uD./g,'')))//7

Mar 11 2020 7:16 PM UTC

}// 140/140

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Need programming help? Summon XaTuring, the God of Technology. A very useful godform (manmade) that really deserves respect! 111 http://www.waningmoon.com/xaturing

u/rodrigo.siqueira

If you are into this, check also the God of AI (also manmade, to be created using AGI algorithm), follow here: https://twitter.com/wayofthefuture_
u/joeytwiddle

XaTuring and the God of AI are nice and all, but what about TimeCube? https://web.archive.org/web/20080709075217/h…
u/Xen

sweet

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KilledByAPixel

function u(t) {

for(z=c.width|=j=2;j--;)for(i=780;i--;x.fillRect(940+C(a=i/127+1)*250,1e3+S(a)*39,30,j?-650:-900))x.fillStyle=R(j*99,j*199,j*z,j?.04:.005)

Mar 3 2020 8:50 PM UTC

}// 138/140

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A #Glass of Water 💧

u/sigveseb

Mm now I'm thirsty!
u/KilledByAPixel

Drink 8 of these per day!

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coniareconio

remix of d/17758 by u/Whimpers

function u(t) {

for(a=b=u=c.width|=i=0;i++<99*t;x.fillRect(960+800*C(a+t)*S(C(b))/z,540+200*C(T(b))/z*2,s=20/z/z,s))a-=C(t**(2/t)),z=2-S(a+t)*S(b+=S(u/2)/3)

Feb 27 2020 10:10 PM UTC

}// 140/140

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bell

u/katkip

it really looks like a bell! nice

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ElisionFR

function u(t) {

t?0:(R=[],c.width=innerWidth)
onmousemove=(e,d=t*5)=>R.push((l,k=(l-d)*10)=>[e.x+C(d)*k,e.y+S(d)*k])
R.map(v=>x.fillRect(...v(t*5),1,1))

Feb 26 2020 8:58 PM UTC

}// 136/140

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#growth

u/tomxor

Nice! #interactive #mouse

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katkip

function u(t) {

f=(x,y)=>S(C(t)*S(x/3-y/5-t)-x/5-t);c.width|=0;x.globalAlpha=.4;for(i=29;i--;)for(q=j=29;j--;)x.fillRect(460+i*q+j*9,j*17+300-f(i,j)*q,q,q)

Feb 25 2020 4:14 PM UTC

}// 139/140

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i'm keeping up with the new trend so here's another 3d graphic

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rodrigo.siqueira

remix of d/17386 by u/rodrigo.siqueira

function u(t) {

for(A=a=b=0,i=1e4*(t<8);i--;x.fillRect(a*1650-2130,b*1950+99,.3,1))r=0|2*Math.random(),a+=r/1.5-a/5+b*S(a*1.5)/1.5,b+=C(A*1.5)/3+.34-b/4,A=a

Feb 21 2020 12:46 AM UTC

}// 140/140

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Plants in my garden. #growth #plant #nature #tree #fractal

u/KilledByAPixel

🌱

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KilledByAPixel

remix of d/17468 by u/KilledByAPixel

function u(t) {

eval(unescape(escape`𚰫𭀥𝀾𜐿𥀽𧰽🡓𚀫𚱴𚡴𚐺𣰽𦱻𦀺𭀪𜰰𙐱𞀵𜀫𝀹𛁙𞡴𚠲𚰱𝠹𛁡𞠰𛁢𞠰𯑝𒡦𫱲𚁯𘁯𩠠𣰩𨠽𚰫𫰮𨠬𨠽🐲𯁔𚀩🠮𞐹𞐹𞐶🱏𛡰𭑳𪀨𮱘𞡯𛡘𛑓𚁡👯𛡡𚐬𦐺𫰮𦐭𠰨𨐩𛁡𞡡𚠮𞐷𚰨𨠭𜠿𜐺𛠲𚐪𥀨𚐬𨠺𜁽𚐺𜀬𮀮𩡩𫁬𤡥𨱴𚁯𛡘𛁯𛡙𛁱👢𚠪𛠸𛰸𛁱𚐻`.replace(/u../g,'')))

Feb 11 2020 7:48 PM UTC

}// 140/140

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Tree Farm #growth