Top dweets by u/BriSeven

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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BriSeven

function u(t) {

c.width*=1
for(i=0,h=0,b=400;i<9;i++,h=i/4)
x.fillRect(940+S(t+h)*b,C(t+h)*40+b+S(t*20+h)*20,C(t+h)*50,(-C(t+h)+1)*100+100)

Apr 2 2020 12:12 PM UTC

}// 123/140

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conga #default #dance

u/katkip

awesome! good idea
u/sigveseb

Sweet!

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BriSeven

function u(t) {

N=50;P=44/7;c.width=1920;for(j=0;j<N;j++)for(i=0;i<N;i++)
x.fillRect(980+S(j/N*P*2)*150+S(i/N*P)*300,
540+C(j/N*P*2)*150+C(t+i/N*P)*300,5,5)

Jan 6 2017 7:37 AM UTC

}// 140/140

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u/iverjo

Cool, a torus!
u/donbright

NICE
u/Purpzie

Shortened by 5 characters: for(c.width|=a=0,N=50,P=44/7;a<N*N;)x.fillRect(980+S((j=0|a++/50)/N*P*2)*150+S((i=a%50)/N*P)*300,540+C(j/N*P*2)*150+C(t+i/N*P)*300,5,5)
u/Cloud

#tor

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BriSeven

function u(t) {

c.width=1920
c.style.filter="blur(5px) contrast(100)"
b=(p)=>x.fillRect(i*p+S(t*p/100)*100,400,p/5,200)
for(i=0;i<90;i++)b(31),b(73),b(137)

Sep 29 2023 1:21 PM UTC

}// 139/140

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u/deobfuscate

#default

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BriSeven

remix of d/24439 by u/BriSeven

function u(t) {

c.width*=1,s=20
for(i=0;i<s;i++)for(j=0;j<s;j++)
x.setTransform(a=C(d=s*t*C(i/3)*S(j/4))*s,b=S(d)*s,-b,a,i*101,j*107),x.fillRect(-4,-2,8,4)

Dec 4 2021 5:10 AM UTC

}// 139/140

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memphis line dance

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BriSeven

remix of d/18503 by u/BriSeven

function u(t) {

eval(unescape(escape`𨰮𭱩𩁴𪁼👮🐱𝠻𩡯𬠨𪰽𝐱𜠻𪰭𛐻𮀮𩡩𫁬𤡥𨱴𚁔𚠨𪐥𝀩𚰲𚡁𛑍𛁔𚠨𪐯𝁼𜀩𚰲𚠡𠐭𣐬𝀸𛀴𞀩𚑩👫𙑮𛁪👫𛱮𯀰𛁁👪𙐲𛁔🐹𝠬𣐽𜐶𞀬𮀮𩡩𫁬𤱴𮑬𩐽𘠣𡠢𚰨𘑪🰢𡑅𘠺𠐿𥀺𫠩𛁸𛡳𩑴𥁲𨑮𬱦𫱲𫐨𠰨𭀩𚠲𛁳👓𚁴𚐬𛑳𚠲𛁃𚁴𚐬𞐶𜀬𜰪𚁍𚱪𚐩`.replace(/u../g,'')))

Apr 30 2020 2:11 AM UTC

}// 139/140

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Accidentally created an optical illusion. Watch it for a while, then pause it (scrolling a bit can do this on dwitter), and it will appear to continue to move.

u/BriSeven

another part of this that interests me is that it appears to have a kind of lighting effect that changes as it rotates, but as I built the cubes up in layers of alternating colors, the lighting effect comes accidentally from the way the layers move further and closer apart as the rotate.
u/pavel

this is a nice trick
u/tomxor

I love the shading style

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BriSeven

remix of d/18368 by u/veubeke

function u(t) {

x.fillStyle="#0001"
x.fillRect(960,540,C(100*t|0)*300,S(100*t|0)*300)

Apr 21 2020 7:17 AM UTC

}// 69/140

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u/sigveseb

#circlechallenge

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BriSeven

remix of d/18189 by u/BriSeven

function u(t) {

c.width*=1
for(i=t*20|0;i--;x.fillStyle=R(i/t*20))
x.fillRect(500+((m=i%2?65535:i/2)&(C(o=i/12.7/t+t)*t)+t)*(p=500/t),(m&(S(o)*t)+t)*p,p,p)

Apr 9 2020 1:35 AM UTC

}// 139/140

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fire brAND

u/BriSeven

plot a short segment of a circular arc, and also plot the coordinates after binary AND.

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BriSeven

remix of d/17963 by u/BriSeven

function u(t) {

c.width*=1
for(d=i=t|0;i--;)with(x)save(),translate(960,0),scale(C(a=6*i/d+t)*48,S(a)*2+48),fillStyle='#88A2',fillText('t',-3,15),restore()

Mar 16 2020 1:56 PM UTC

}// 139/140

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cup of t? #glass

u/sigveseb

Now that's cool
u/tomxor

Hehe, cheeky
u/pavel

Nice! (Check out setTransform to shorten this a bunch)
u/BriSeven

thanks for the tipo pavel

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BriSeven

remix of d/17751 by u/BriSeven

function u(t) {

if(!t)a=Array(1e4).fill(1);c.width*=1;x.stroke(new Path2D(`M900 600l${a.map((x)=>[C(x),S(x)])}`));a=a.map((x,i)=>x+S(t*i*x)/9)

Mar 2 2020 5:03 AM UTC

}// 126/140

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Mutating random walk as SVG Path data.

u/Odog8

protein folding?

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BriSeven

remix of d/17745 by u/veubeke

function u(t) {

c.width^=0,x.scale(30,30);x.fill(new Path2D(`M24 8c-2-2.2-6-2-8.2.2l-.4.4-.4-.4C13 6 9 6 7 8c-2 2-2.1 5.9.2 8l8 8 8.4-8.4c2-2 2-6 .2-8z`))

Feb 26 2020 12:54 AM UTC

}// 138/140

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SVG Path Tester

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