Dweets awesomed by u/Georges-Abitbol

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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Georges-Abitbol

function u(t) {

c.width=1920
for(i=-4355;i<4355;i+=50)
x.fillRect(960+C(t*i/2000)*200*(1+S(t)*C(i/200)),540+S(t*i/2000)*200*(1+S(t)*C(i/200)),15,15,1
)

Apr 24 2020 10:02 AM UTC

}// 135/140

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Georges-Abitbol

remix of d/18357 by u/Georges-Abitbol

function u(t) {

c.width=1920
for(i=-4355;i<4355;i+=50)
x.fillRect(960+C(t*i/2000)*250*(1+C(i/200)),540+S(t*i/2000)*250*(1+C(i/200)),10,10,1)

Apr 20 2020 7:10 PM UTC

}// 124/140

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Georges-Abitbol

remix of d/18356 by u/Georges-Abitbol

function u(t) {

c.width=1920
for(i=-4355;i<4355;i++)
x.fillRect(960+C(t*i/500)*250*(1+C(i/200)),540+S(t*i/500)*250*(1+C(i/200)),5,5,1)

Apr 20 2020 7:01 PM UTC

}// 118/140

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Georges-Abitbol

function u(t) {

c.width=1920
for(i=0;i<2e3;i++)
x.fillRect(960+C(i)*300*(1+C(t*i/1000)),540+S(i)*300*(1+C(i)),1,5,5) // draw 50x200 rects

Apr 20 2020 6:51 PM UTC

}// 121/140

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Georges-Abitbol

remix of d/18353 by u/Georges-Abitbol

function u(t) {

c.width=1920
for(i=0;i<959;i++)
{b=S(i*0.006545);for(j=3;j<25*(1+C(t))*(1-C(t));j+=2)
b+=S(i*0.006545*j)/j;x.fillRect(2*i,540+b*300,9,9,0)}

Apr 20 2020 6:43 PM UTC

}// 139/140

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u/katkip

#fourier

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Georges-Abitbol

remix of d/18350 by u/Georges-Abitbol

function u(t) {

c.width=1920
for(i=0;i<479;i++)
{b=S(i*0.013);for(j=3;j<35*(1+C(t))*(1-C(t));j+=2)
b+=S(i*0.013*j)/j;x.fillRect(4*i,540+b*300,9,9,0)}

Apr 20 2020 6:36 PM UTC

}// 133/140

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Georges-Abitbol

function u(t) {

c.width=1920
for(i=0;i<479;i++)
{b=S(i*0.013);for(j=3;j<70*C(3*t)*C(3*t);j+=2)
b+=S(i*0.013*j)/j;x.fillRect(4*i,540+b*300,9,9,0)}

Apr 20 2020 5:02 PM UTC

}// 129/140

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The Gibbs phenomenon

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Georges-Abitbol

function u(t) {

c.width=1920
for(i=0;i<479;i++)
{b=S(i*0.013);for(j=3;j<70*C(3*t)*C(3*t);j+=2)
b+=S(i*0.013*j)/j;x.fillRect(4*i,540+b*300,9,9,0)}

Apr 20 2020 5:01 PM UTC

}// 129/140

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c.width=1920 for(i=0;i<479;i++) {b=S(i*0.013);for(j=3;j<70*C(3*t)*C(3*t);j+=2) b+=S(i*0.013*j)/j;x.fillRect(4*i,540+b*300,9,9,0)}

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tomxor

remix of d/18338 by u/rodrigo.siqueira

function u(t) {

eval(unescape(escape`𭀿𪰽𭀪𚠸𞡷👣𛡷𪑤𭁨🐹𞐻𩠽𚁘𛁙𛁮👷𚐽🡘🁮🱦𚁘𚡘𛑙𚡙𛐮𞀬𜠪𦀪𦐫𛠲𛁮𚰱𚐺𨁨𬱬𚀤𮱮𚠸𯐠𞐹𙐤𮱓𚁮𛰶𚡴𚠪𛠵𚐪𭱽𙑠𞱦𫱲𚁩🐶𩐳𞱩𛐭𞱸𛡦𪑬𫁓𭁹𫁥👦𚀨𦀭𝐰𚱫𚐯𪰭𜠭𜰶𜠱𞀵𩐭𞀬𜐭𚁙𛐲𞀫𪰩𛱫𚐩𮀮𩡩𫁬𤡥𨱴𚁘👩𙑷𛁙👩𛱷𛀱𛀮𜰩`.replace(/u../g,'')))

Apr 20 2020 1:00 PM UTC

}// 140/140

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Color #zoom #julia #fractal using "X<i" - For Chrome

u/tomxor

Due to subpixel rendering differences, for FireFox: see d/18341
u/katkip

amazing

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rodrigo.siqueira

remix of d/18323 by u/pavel

function u(t) {

for(i=2e3,f=(X,Y,n=89)=>X<9?f(X*X-Y*Y-.8,2*X*Y+.2,n+2):x.fillStyle=`hsl(${n*2} 90%${n/2}%`;i--;x.fillRect(i,t*90,1,900))f(i/490-2,1-t/6)

Apr 19 2020 9:13 PM UTC

}// 136/140

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Color #Julia Set #fractal purple blue rays

u/pavel

Broken on Safari because of the missing space in the hsl
u/katkip

satisfying to watch
u/rodrigo.siqueira

Here is a version (with other colors) working on Safari: https://www.dwitter.net/d/18352

dwitter.net | Georges-Abitbol (76)