Hot dweets by u/magna

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: #Opposites

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magna

remix of d/24019 by u/magna

function u(t) {

w=c.width|=0
h=1080
A=S(t/5)+2
Z=S(t/7)+3
x.setTransform(k=C(A)*Z,z=S(A)*Z,-z,k,w/2,h/2)
for(i=w;--i;)x.fillRect(i-w/2,-h/2,1,S(i+Z-A)**2*h)

Oct 7 2021 4:57 AM UTC

}// 140/140

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magna

function u(t) {

w=c.width|=0
t||(a=Array(w).fill(i=0).map(Math.random))
for(j=w;--j;a[i]>a[j]&&(R=a[i],a[i]=a[j],a[j]=R))x.fillRect(j,0,1,a[j]*1080)
i++

Oct 6 2021 11:57 PM UTC

}// 136/140

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Unbelievable Sort https://twitter.com/petarv_93/status/1445743…

u/ciaccodavide

#sort
u/magna

My implementation allegedly has a flaw that doesn't match the cursed behaviour of the original algo, but I wasn't able to immediately see it.

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magna

remix of d/24018 by u/magna

function u(t) {

w=c.width|=0
for(i=w;--i;)x.fillRect(i,0,1,S(i+t/2)**2*1080)

Oct 7 2021 4:28 AM UTC

}// 60/140

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Playing with lines

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magna

remix of d/24020 by u/magna

function u(t) {

(A=t%1)<.1&&(c.width|=0)
w=1920
h=1080
Z=S(t)+3
for(i=w;--i;x.fillRect(i-w/2,-h/2,1,T(i)*h))x.setTransform(k=C(A)*Z,z=S(A)*Z,-z,k,w/2,h/2)

Oct 7 2021 5:10 AM UTC

}// 138/140

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magna

remix of d/24015 by u/magna

function u(t) {

w=c.width|=0
t||(a=Array(w).fill(i=0).map((_,i)=>S(i)**2))
for(j=w;--j;a[i]>a[j]&&(R=a[i],a[i]=a[j],a[j]=R))x.fillRect(j,0,1,a[j]*1080)
i++

Oct 7 2021 2:44 AM UTC

}// 139/140

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Satisfying sin^2 sort remix

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magna

function u(t) {

c.width=192
c.style.filter='invert(1'
x.font='2cm"'
for(i=0;i<2;x.fillText([...'🌑🌒🌓🌔🌕🌖🌗🌘'][t+i++&7],59,83))x.globalAlpha=i?t%1:1

Jul 7 2021 11:45 PM UTC

}// 128/140

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Phases of the moon #time

u/Toby

Really cool. Great idea!

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magna

function u(t) {

o=9
n=(t*9|0)-o
m=Number.MAX_SAFE_INTEGER
s=m+n
d=(s+'').slice(9)-(m+'').slice(9)
e=d-n
w=3
x.fillRect((n+o)*w,540+e*w,w,w)

Jul 6 2021 4:28 PM UTC

}// 123/140

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Float error beyond MAX_SAFE_INTEGER

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magna

function u(t) {

c.width|=0
x.globalCompositeOperation='xor'
for(i=22;i--;x.fill())x.beginPath(),x.arc(960,540,25+i*50+(t%1)*100,0,7)

Jul 1 2021 5:02 AM UTC

}// 116/140

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u/andrea270872

#hypno cool

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magna

remix of d/23043 by u/magna

function u(t) {

eval(unescape(escape`𮀮𩱬𫱢𨑬𠱯𫑰𫱳𪑴𩑏𬁥𬡡𭁩𫱮🐧𮁯𬠧𞱰👮🐾𮱡🐰𞱦𫱲𚁩👮𛐱𞱩🠱𞰩𨐫🐡𚁮𙑩𛐭𚐻𬡥𭁵𬡮𘁡𯐻𮀮𨡥𩱩𫡐𨑴𪀨𚐻𬐽𭀪𜰻𬠽𬐯𣑡𭁨𛡐𢐪𞐻𮀮𨑲𨰨𞐶𜀫𠰨𬐩𚡲𛀵𝀰𚱓𚁱𚐪𬠬𬀨𬑼𜀩𚰱𛀰𛀷𚐻𮀮𩡩𫁬𚀩`.replace(/u../g,'')))

Jun 7 2021 11:59 PM UTC

}// 125/140

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Spiral graph of number of prime factors

u/magna

Now with xor + proper count

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magna

remix of d/23045 by u/magna

function u(t) {

eval(unescape(escape`𒡰👮🐾𮱡🐰𞱦𫱲𚁩👮𛐱𞱩🠱𞰩𨐫🐡𚁮𙑩𛐭𚐻𬡥𭁵𬡮𘁡𯐻𬐽𭀪𝐻𬠽𬐯𣑡𭁨𛡐𢐪𝐻𮀮𬱥𭁔𬡡𫡳𩡯𬡭𚁫👃𚁱𚐬𮠽𤰨𬐩𛀭𮠬𪰬𞐶𜀬𝐴𜀩𞱸𛡦𪑬𫁓𭁹𫁥👠𪁳𫀨𙁻𬀨𬐼🀱𚐪𜱽𛀹𞐥𛀵𜀥𨀻𮀮𩡩𫁬𤡥𨱴𚁫𚡲𛐳𛁺𚡲𛐳𛀶𛀶𚐠`.replace(/u../g,'')))

Jun 8 2021 6:03 AM UTC

}// 132/140

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More prime factor count spiral graphing

dwitter.net | magna (3923)