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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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KilledByAPixel

remix of d/15062 by u/KilledByAPixel

function u(t) {

eval(unescape(escape`𭱩𭁨𚁸𚑦𫱲𚁣𛡷𪑤𭁨𯀽𪐽𜠻𪐭𛐻𪐿𩡩𫁬𚀩𞡳𭁲𫱫𩐨𚐩𒡦𫱲𚁫👩🰭𜐺𜐬𨡥𩱩𫡐𨑴𪀨𫁩𫡥𥱩𩁴𪀽𪠽𞐩𞱪𛐭𞱥𫁬𪑰𬱥𚁴𙐹𚠳𜀰𛐴𜀰𛀷𝀰𛑫𚡃𚀨𫐽𭀥𬀩🡰𛰲🱰𛑭𞡭𚐪𚁩🰹𞐺𜰰𜀩𛀳𜀰𛀲𜀰𚱫𚠹𞐬𜀬𬐽𚁫𚡴𚱪𚡰𚐥𚀴𚡰𚐬𬐩𚑰👍𨑴𪀮𤁉𛰲`.replace(/u../g,'')))

Oct 1 2019 3:41 PM UTC

}// 140/140

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Square Roll With Shadow

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joe.m

remix of d/15861 by u/joe.m

function u(t) {

if(!t){for(i=n=2601;i--;u[i]=1)q=1;j=q*q}
if(u[q-1]&j<n){u[j-1]=0;x.fillRect(37*((j-1)%51),21*((j-1)/51|0),35,19);j+=q}else{q++;j=q*q}

Oct 1 2019 8:51 AM UTC

}// 134/140

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pavel, this one is for you #prime #sieve

u/pavel

nice 👍
u/username

#waitforit

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joe.m

remix of d/15836 by u/joe.m

function u(t) {

if(!t){for(i=n=2601;i--;u[i]=1)q=2;j=q*q}
if(u[q-1]&j<n){u[j-1]=0;x.fillRect(37*((j-1)%51),21*((j-1)/51|0),35,19);j+=q}else{q++;j=q*q}

Sep 30 2019 6:18 PM UTC

}// 134/140

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what's left is #prime

u/joe.m

#eratosthenes #sieve
u/joe.m

#slow_render
u/pavel

false, 1 is not prime :)

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katkip

function u(t) {

c.width^=0;x.font='9cm"';x.fillText((z=frame**2)+"=>"+(Math.floor(Math.log10(z))+1),0,500,1920)

Sep 30 2019 1:40 PM UTC

}// 95/140

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how to find the number of digits without looping or string conversion. #trick #math Math.floor(Math.log10(N))+1)

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jellyedwards

remix of d/15844 by u/katkip

function u(t) {

w=c.width|=l=200;with(x)for(q=2;q--;fill(arc(q*w,500,l,0,7)))for(i=9;i--;fillRect(i*99-t*w%w+q*w,400,50,l))beginPath(fillStyle=`#${q*94}0F`)

Sep 30 2019 11:51 AM UTC

}// 140/140

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didn't turn out exactly as I'd imagined but added portals to your #default portal!

u/katkip

nice

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username

remix of d/6634 by u/New_Core

function u(t) {

for(c.width|=f=i=6e2;i--;x.fillRect(M.min(1870,M.max(0,960+f*S(i)+800*S(t))),M.min(1e3,M.max(0,540+f*C(i)-f*C(t))),9,9))M=Math

Sep 29 2019 10:22 PM UTC

}// 126/140

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hugging the wall

u/username

u/Xen u/New_Core
u/username

#randomremix no 29
u/Xen

oi oi, nicely done
u/aleamb

wow! amazing and stylish

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taupelink

remix of d/15661 by u/taupelink

function u(t) {

for(f=.5,i=d=e=1e3;i--;x.fillRect(960+d*z*C(e),540+d*z*S(e),f,f))r=20+Math.random(z=60)*z|0,[d,e,f]=[r/5+f*C(d),r+f*S(d)/r**.5,r%2+.5/f**.5]

Sep 29 2019 9:00 PM UTC

}// 140/140

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d/15854

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DataMeta

remix of d/15843 by u/DataMeta

function u(t) {

s=C(t);c.style.background='#CCC';if(t<3)for(i=2e3;i--;)
x.fillStyle=R(l=i/7,l,l),x.fillRect(t*s>=0?1920-i:i,540-l*s*2,9,9)

Sep 29 2019 7:42 PM UTC

}// 122/140

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joe.m

remix of d/15836 by u/joe.m

function u(t) {

if(!t){s=[4900]}
q=s.shift()%9801
if(!u[q])s.push(q-1,q+1,q+99,q-99)
u[q]=1
x.fillRect(19*(q/99|0),10*(q%99),17,8)

Sep 29 2019 7:27 PM UTC

}// 114/140

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flood fill 2, twice as fast and twenty three bytes shorter

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KilledByAPixel

remix of d/15724 by u/KilledByAPixel

function u(t) {

$="𖥀𒩨򐢚򸀦򪪁񺚔򚮦򻿽􊪀𓳼󐀃"
eval(unescape(escape`𩡯𬠨𨰮𭱩𩁴𪀽𪐽𜠲𝀻𪐭𛐻𭠿𮀮𩡩𫁬𤡥𨱴𚀱𜰫𚀨𫐽𚀱𞐹𚡴𙑔𚐥𥁼𜀩🠱𞐷🱔𛑭𞡭𚐭𪐥𞀪𚁩🠱𜐲🰭𜠺𜠩𛀹𞀫𢐯𝁼𜀬𜠬𜠩𞡔🐳𞐴𚑉👩𙐱𜐲𛁸𛡦𪑬𫁓𭁹𫁥👒𚁶🐤𛡣𪁡𬡃𫱤𩑁𭀨𢐯𝐩🠾𢐥𝐪𜠦𜰬𭠪𞀵𚐻`.replace(/u../g,'')))

Sep 29 2019 5:03 PM UTC

}// 140/140

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Koopa Shell Bounce