Top dweets by u/rep_movsd

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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rep_movsd

function u(t) {

eval(unescape(escape`𨰮𬱴𮑬𩐮𩡩𫁴𩑲🐨𙱢𫁵𬠨𜡰𮀩𪑮𭡥𬡴𚀱𙰩𒡦𫱲𚁘👃𚁴𚐬𦐽𤰨𭀩𛁉🐲𜀰𞱉𛐭𞰩𮀮𨡥𩱩𫡐𨑴𪀨𮀮𬱴𬡯𪱥𚀩𚐬𮀮𫑯𭡥𥁯𚀹𝠰𚱘𚡉𛀳𝀰𚱙𚡉𚐬𦀫👓𚁙𛑴𚐯𝐭𠰨𦀭𭀩𛰵𛁙𚰽𛑓𚁘𚱴𚐯𜠫𠰨𦐩𛰲𛁸𛡬𪑮𩑔𫰨𞐶𜀫𦀪𢐬𜰴𜀫𦐪𢐩𒠻`.replace(/u../g,'')))

Feb 8 2022 1:19 PM UTC

}// 135/140

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Manifold

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rep_movsd

function u(t) {

E='◜◝◞◟'
eval(unescape(escape`𦠽𢰽🡸𛡦𪑬𫁔𩑸𭀨𡑛𢱝𛁘𚱛𛐳𛀭𡀬𛑄𛀭𜱝𦱋𧐬𦐫𦱎𛁎𛀳𛀳𧑛𢱝𚐊𭁼𯀨𦀽𦐽𜀩𒡸𛡦𫱮𭀽𨀶𩑭𙱠𛁄🐳𝠬𮀮𨱬𩑡𬡒𩑣𭀨𦀭𡀬𦐭𜠴𛁎🐷𜠬𣠩𒡃𚁴𚡘𚐾𜀿𦠨𜰩𯁚𚀱𚐺𦠨𜠩𯁚𚀰𚐊𦀾𜡥𜰦𙠨𦐽𚁙𚱎𚐥𜐰𞀰𛁘🐰𚐊𦀫👎`.replace(/u../g,'')))

Oct 18 2021 7:39 PM UTC

}// 139/140

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#tessellation #unicode

u/magna

#truchet

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rep_movsd

function u(t) {

eval(unescape(escape`𚁁👄𨑴𩐨𚐮𬱰𫁩𭀨𛰺𯀠𛰩𚑛𝁝𙐽𜐲𒡋👮🐾𘐨𠑛𩀽𝀫𬀫𚰥𜱝𚠵𜠯𦰱𛀵𛀵𧑛𩀭𝁝𧡩𚐊𩡯𬠨𨰮𭱩𩁴𪁼👑🐳𜐲𛁩👰👢🐶𜠴𞱩𛐭𞰩𩡯𬠨𪀽𢰨𮠽𢰨𚐩𯁋𚀩𯁺𛁲👑𛐨𪀿𤐺𪐥𝐲🰱𜀺𝐰𚐻𬠫𚰼𤐭𮠪𝐹𞰩𮀮𩡩𫁬𥁥𮁴𚀰𛁢𚱓𚁪👩𛰹𞐩𚡲𛁢𛑃𚁪𚐪𬠩`.replace(/u../g,'')))

Jul 4 2021 3:48 PM UTC

}// 140/140

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Analog Clock #analog #clock #time

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rep_movsd

remix of d/22844 by u/erin

function u(t) {

t*=w=1e3
with(x)for(j=2;j--;beginPath(fill()))for(i=w;i--;arc(t*50%2e3,t**1.2,t?j?80+S(i/20)*70:19:1e4,a=i/99,a))fillStyle=R(t*w,j*w,j*w);

May 22 2021 1:00 PM UTC

}// 138/140

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t*=w=1e3 with(x)for(j=2;j--;beginPath(fill()))for(i=w;i--;arc(t*50%2e3,t**1.2,t?j?80+S(i/20)*70:19:1e4,a=i/99,a))fillStyle=R(t*w,j*w,j*w);

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rep_movsd

remix of d/21244 by u/Odog8

function u(t) {

c.style.filter='blur(65px)invert('
r=e=>2e3*Math.random()
x.fillRect(r(),r(),500,500)
x.fillStyle=`hsla(${r()},99%,50%,1`

Jan 16 2021 3:04 PM UTC

}// 121/140

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rep_movsd

function u(t) {

eval(unescape(escape`𭱩𭁨𚁸𚐠𩡯𬠨𮀮𩠽𩡩𫁬𤡥𨱴𛁺👲🐾𩡩𫁬𤱴𮑬𩐽𬠬𡀽𢰽𜠰𜀻𢰭𛐻𚐊𦀽𦐽𝐴𜀬𬰽𤰨𭀩𛁄👋𚠨𤰨𤰨𬰫𡀩𚐫𜐩𛁺𚁒𚀰𛀴𝐪𤰨𭀪𝐩𚱋𚠮𝰬𜀩𚐬𭀼𜐱𙠦𩠨𦀫𡀪𠰨𭀩𛁙𚱄𛰲𚡳𚰱𜀪𤰨𭀪𞐩𛁋𛰹𛁋𛰹𚐬𮡠𘰰𞀰𨀬𩠨𦀫𬰪𞀹𛁙𚱴𚠹𞐬𜐹𛀹𚐻`.replace(/u../g,'')))

Sep 24 2020 12:10 PM UTC

}// 137/140

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Lotus Leaf

u/rep_movsd

#nature #leaf

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rep_movsd

function u(t) {

eval(unescape(escape`𨰮𬱴𮑬𩐮𩡩𫁴𩑲🐧𪑮𭡥𬡴𚀧𒡴𯁼𮀮𨱬𩑡𬡒𩑣𭀨𜀬𜀬𭰽𜐹𜠰𛀱𜀸𜀩𒡑👓𚁴𛰲𚐫𜐊𮀮𩡩𫁬𤱴𮑬𩐽𨁨𬱬𚀤𮱴𚠸𚱑𚠹𞑽𛀸𜀥𛀳𜠥𛀮𜐩𨀊𩡯𬠨𨐽𭰪𝰻𛐭𨐻𬠽𚁔👃𚀨𪰽𨐯𭰩𚠵𚐫𜠩𚠱𝐰𛑑𚠲𞐰𛁸𛡦𪑬𫁒𩑣𭀨𞐴𜀫𠰨𪰩𚡲𛀵𝀰𚱓𚁫𚐪𬠬𜠬𜠩𚐻`.replace(/u../g,'')))

Aug 23 2020 5:48 PM UTC

}// 140/140

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Flower power

u/rep_movsd

Wait for it

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rep_movsd

function u(t) {

q=Math.random
n=255
for(i=0;i++<30;){k=(t|0)%3
x.fillStyle=R(k?q()*n:n,k?q()*n:n,k?q()*n:0,k?.02:.01)
x.fillRect(q()*1725,q()*825,n/2,n/2)}

Jul 21 2019 10:54 PM UTC

}// 139/140

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Nickel Plating

u/Xen

love it!

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rep_movsd

function u(t) {

c.style.filter=`blur(3vw)contrast(69`,K=Math.random,x.globalCompositeOperation='xor'
x.fillRect(2e3*K(),1e3*K(),D=K()*299,D)

Mar 24 2022 10:40 AM UTC

}// 124/140

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Camo glitch

u/rep_movsd

#waitfor it
u/rep_movsd

#waitforit - blurring algorithm generates contour artifacts

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rep_movsd

function u(t) {

[P,Q]=t?[A,B]:[0,1]
x.fillText(0,99*(B=Q*.8-P*.6)+960,99*(A=P*.8+Q*.6)+540)

Nov 5 2021 9:00 AM UTC

}// 75/140

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Circle2 #circlechallenge

Show more comments…
u/rep_movsd

This is based on an algorithm from "Electron Graphics and Sound" I read as a kid
u/rep_movsd

This is based on an algorithm from "Electron Graphics and Sound" I read as a kid
u/rep_movsd

We calculate a sine and cosine of a small angle delta initially, and thereafter derive them using trig identities using only addition and multiplication
u/rep_movsd

It so happens that C(O) and S(O) are almost exactly 0.8 and 0.6 for some O
u/rep_movsd

I found those by for(N=0.1;N<1;N+=.1) M=(1-N*N)**.5,console.log(N,M)
u/rep_movsd

Can be 67 bytes
u/rep_movsd

Can be 67 bytes
u/rep_movsd

[P,Q]=t?[P*.8+Q*.6,Q*.8-P*.6]:[0,1] x.fillText(0,99*Q+960,99*P+540)

dwitter.net | rep_movsd (1311)