Top #shiny dweets

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

function u(t) {

with(x)arc(960,540,t*t,(t%8>4?t:-t)/3,99),setLineDash([t*t/5]),stroke(),setLineDash([]),globalAlpha=1-S(t%4*.8),beginPath(stroke())

Oct 13 2020 7:43 PM UTC

}// 131/140

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Circle Spiral #slowdraw

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Xen

remix of d/4365 by u/jbl

function u(t) {

for(c.width|=Z=i=2e3;--i;x.fillRect((C(p)*650)%Z+S(t*9)*99+1e3,i*(1+C(t*3)/9)%Z-99,S(p)*90,90))x.fillStyle=R(Y=i/9,Y*S(i+t),Y*C(i),S(p=t+i))

Dec 28 2017 3:38 PM UTC

}// 140/140

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Shoutz to jbl

u/jbl

nice!
u/Xen

thanks :-)
u/joeytwiddle

#shiny

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codeslaw

function u(t) {

x.fillRect(0,0,$=2e3,$)
i=3e3;while(i--){x.strokeStyle=`hsla(${i*C(t/21)},79%,49%,.3)`;π=i%$||x.stroke()|x.beginPath()
x.arc(0,i/$*π,π,0,7)}

Mar 18 2017 1:21 AM UTC

}// 140/140

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Curves, colors, lights, and shadows.

Show more comments…
u/sigveseb

Very nice!
u/iverjo

Nice in Chrome, but froze my Firefox for like 15 seconds
u/codeslaw

😅 You can play around with lowering i and $ to raise the frame rate ¯\_(ツ)_/¯
u/donbright

i like the elegance of this, really has a special look to it
u/donbright

i like the elegance of this, really has a special look to it
u/joeytwiddle

#shiny

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rodrigo.siqueira

remix of d/28793 by u/AArt1256

function u(t) {

for(X=Y=t,i=8e4;i--;Y=(i/Y&8)+(Y-X)*.999,X+=Y+.1/X)x.fillRect(X*16+900,Y*16+540,.1,t<2);c.style.filter='invert()sepia()'

Nov 1 2023 8:44 PM UTC

}// 120/140

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Tiling effect

u/Joachim

#shiny
u/magna

#texture

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danny@hille.dk

remix of d/18458 by u/rodrigo.siqueira

function u(t) {

for(X=f=c=>S(T(c*(d=r>1||T(r))*6)),Y=t/8-1.1,i=2e3;i--;x.fillRect(i,t*60,(1+f(X=i/480-2)*f(Y))*d/2,3))r=X*X+Y*Y

Feb 19 2023 7:58 PM UTC

}// 111/140

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golf & play

u/Joachim

#shiny

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New_Core

function u(t) {

t?t%2<1.98?0:Z=Z*1.4:Z=.1
for(i=22;i--;x.fillRect(300+b*50,0,C(a+b),182))b=t*60%2,x.setTransform(d=Z*S(a=t/7+i/3.5),e=Z*C(a),e,-d,999,540)

Nov 14 2020 3:55 PM UTC

}// 138/140

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rodrigo.siqueira

remix of d/18445 by u/pavel

function u(t) {

for(X=f=c=>C(T(4*c/d)),Y=t/8-1.1,i=2e3;i--;x.fillRect(i,t*60,(1+f(X=i/480-2)*f(Y))/2,3))x.fillStyle=R(S(Y)*99,0,C(r=X*X+Y*Y)*99),d=r<0||S(r)

Apr 25 2020 6:31 PM UTC

}// 140/140

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Towards Infinity (Escher-like tilings) mirror #sphere #raytracing

u/KilledByAPixel

👍
u/joeytwiddle

#shiny

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vinca

function u(t) {

for(c.width=150,i=11250;i--;)x.fillRect(X=i/75,Y=i%75,1,S((X|Y|t)*t*.1))

Apr 3 2019 12:04 PM UTC

}// 72/140

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u/andrea270872

S and | together... wow. I cannot see what that is as a math function, but the effect is amazing
u/katkip

metal
u/joeytwiddle

#shiny

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firegodjr

remix of d/8105 by u/magna

function u(t) {

x.putImageData(x.getImageData(0,10,1920,1080),0,0)
for(r=i=2e3;i-=10;r+=r*t|4)x.fillText('╲╱'[r&1],i,1070)

May 15 2018 6:34 PM UTC

}// 106/140

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Continuous maze

u/magna

Yay!
u/joeytwiddle

I see a #shiny pattern which disappears when I go to fullscreen. But not on retina displays.
u/mxfh

More maze-like though. If you're lucky you get a tunnel. https://en.wikipedia.org/wiki/Truchet_tiles#…
u/mxfh

https://en.wikipedia.org/wiki/Truchet_tiles#…

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rodrigo.siqueira

remix of d/28085 by u/NeonStrawberry

function u(t) {

for(i=2e4;i--;x.fillRect(960+C(K=i*3.141)*185*a,540+S(K)*160*a,W=C(i/140*2)+.4,W/4/(1+t)))a=C(t+i/t)*S(i/211)-i%3

Jul 4 2023 12:28 AM UTC

}// 113/140

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Silver #flower

u/Joachim

#shiny!
u/magna

Pretty!

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