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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.

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Current theme challenge: #Food

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Xen

function u(t) {

c.width=2e3*(z=C(t*99)+1) // clear the canvas
for(i=0;i<9;i++)
x.fillRect(400*z+i*99*z+S(t)*300*z,400*z,50*z,200*z) // draw 50*zx200*z rects

Feb 19 2021 4:34 PM UTC

}// 140/140

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Defaulty

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Pascal

remix of d/21705 by u/tomxor

function u(t) {

eval(unescape(escape`𩡯𬠨𮁛𩠽𙱦𪑬𫁒𩑣𭀧𧐨𜀬𜀬𨰮𭱩𩁴𪀽𜐸𜀬𪐽𫀽𜐵𜰰𚐻𪐭𛐻𮁛𩡝𚁘𚠶𛁙𚠶𛀶𚱋𛀶𚐩𦀽𪐥𜰰𛁙🐨𪐭𦀩𛰳𜀬𠐽𦀫𞀪𠰨𭀪𜠭𦐯𞀰𚐬𢰽𘐡𚁁𛰱𞀭𜐶𛰱𞁼𦐯𝀭𜐰𛰵𯁁𚰲𙠲𚐯𜠬𮀮𩡩𫁬𤱴𮑬𩐽𨁨𬱬𚀲𜐰𘀵𜀥𙁻𜐸𜀪𢰫𜰪𠰨𦐭𭀪𞀰𚑽𙑠`.replace(/u../g,'')))

Feb 19 2021 3:03 PM UTC

}// 136/140

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interlacing

u/Pascal

just realised that this is progressive and not interlaced
u/magna

#default

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rodrigo.siqueira

remix of d/21693 by u/rodrigo.siqueira

function u(t) {

c.width|=c.style=`filter:invert(`
for(i=2e3;i--;x.arc(960,540,400,11+4*S(i-C(1.6+S(t)/5+i)),40))x.lineTo(960,540)
x.lineWidth=.05
x.stroke()

Feb 19 2021 2:18 PM UTC

}// 140/140

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Laser light beam from the pyramid #laser

u/Qwitter

Giza beam

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Zmeos

remix of d/21687 by u/rodrigo.siqueira

function u(t) {

for(i=2e3;i--;x.fillStyle=`hsl(${99*t+i/59},99%,${30+99*S(t)}%,15%)`)x.fillRect(960+855*S(i+t)*C(i/8)*S(t),500*C(i)*S(t)+560,4,4)

Feb 19 2021 12:50 PM UTC

}// 129/140

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#butterfly

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Xen

remix of d/21702 by u/schabanackk

function u(t) {

with(x)for(c.width=1e3,i=44;i--||stroke();)arc(499,270,260,q=i*t/7|0,q-t*9)

Feb 18 2021 9:09 PM UTC

}// 75/140

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quick play

u/Xen

just found z=219+(t%1.5) with(x)for(c.width=1e3,i=44;i--||stroke();)arc(499,270,260,q=i*z/7|0,q-z*9)

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tomxor

remix of d/21704 by u/tomxor

function u(t) {

eval(unescape(escape`𩡯𬠨𮁛𩠽𙱦𪑬𫁒𩑣𭀧𧐨𜀬𜀬𨰮𭱩𩁴𪀽𜐸𜀬𪐽𫀽𜐵𜰰𚐻𪐭𛐻𮁛𩡝𚁘𚠶𛁙𚠶𛀱𚱋𛀵𚐩𦀽𪐥𞐰𛰳𛁙👩𛰹𜀬𡠽𭀪𝐸𛑩𛱬𛁁👘𚰸𚡓𚁾𡠯𞐫𦐯𞐩𛁋👆𙐱𛰴𚰡𘐨𠐯𜐷𛐱𝠯𜐸𯁙𛰴𛐱𜀯𝑼𠐫𜠦𜠩𛰲𛁸𛡦𪑬𫁓𭁹𫁥👠𪁳𫀨𙁻𪐪𜐲𜁽𘀹𞐥𙁻𢰪𞐹𯐥𨀻`.replace(/u../g,'')))

Feb 18 2021 2:32 PM UTC

}// 140/140

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#retro #crt #default @60Hz-ish

u/Odog8

Beautifulllll
u/Qwitter

cool!
u/neimad

This is amazing.
u/aleamb

superb!
u/magna

YES!!

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tomxor

remix of d/12335 by u/tomxor

function u(t) {

eval(unescape(escape`𩡯𬠨𮁛𩠽𙱦𪑬𫁒𩑣𭀧𧐨𜀬𜀬𨰮𭱩𩁴𪀽𜐸𜀬𪐽𫀽𜐵𜰰𚐻𪐭𛐻𮁛𩡝𚁘𚠶𛁙𚠶𛀱𚱋𛀵𚐩𦀽𪐥𞐰𛰳𛁙👩𛰹𜀬𡠽𜐫𭀪𭀭𪐯𫀬𠐽𦀫𞀪𤰨善𛰹𚱙𛰹𚐬𢰽𜐭𡠥𜐭𘐨𠐯𜐷𛐱𝠯𜐸𯁙𛰴𛐱𜀯𝑼𠐫𜠦𜠩𛰲𛁸𛡦𪑬𫁓𭁹𫁥👠𪁳𫀨𙁻𪐪𜐲𜁽𘀹𞐥𙁻𢰪𞐹𯐥𨀻`.replace(/u../g,'')))

Feb 18 2021 2:10 PM UTC

}// 140/140

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#retro #crt #default

u/tomxor

With subpixel anti-aliasing :) ... ok that was an accident... but atand back and look at those cute RGB fringes!

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rodrigo.siqueira

remix of d/21700 by u/Xen

function u(t) {

c.style.filter="blur(1.0vh)contrast(3)"
for(c.width=i=200;i--;x.arc(99,56,52,i*6*(1+S(S(t)/9)/990)+1.4,i))x.strokeStyle="#410";x.stroke()

Feb 18 2021 1:16 PM UTC

}// 137/140

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Baphomet #blood

u/Odog8

invocamus Baphometus depraedandum Angeli .
u/DaSpider

#Klaatu #barada #nikto
u/katkip

i luv it #satan

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schabanackk

function u(t) {

with(x)for(fillRect(0,0,c.width=1e3,2e3),strokeStyle="turquoise",i=137;i--||stroke();)arc(499,270,570,q=Math.ceil(i*t/3)-1,q+t%(t*2))

Feb 18 2021 11:30 AM UTC

}// 134/140

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tunnel

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Pascal

remix of d/21699 by u/Xen

function u(t) {

for(c.width=i=1e3;i--;x.arc(500,281,260,i+T(i+t/5)*C(t/1.1)*S(t/2)+t,i-t))x.lineWidth=.07;x.stroke();c.style.filter=`contrast(1.7)invert(.3`

Feb 17 2021 6:57 PM UTC

}// 140/140

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