Top #dance 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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pavel

function u(t) {

for(c.width|=i=4;i--;x.fill(x.arc(96*(8+i%2*4+2*o+C(a=Math.PI*(o?q:-q))),540+96*S(a),96,0,7)))q=t+3*(i>1),x.beginPath(o='001221'[~~q%6]-1)

Jan 7 2020 11:54 PM UTC

}// 138/140

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Points

Show more comments…
u/pavel

Credit https://www.reddit.com/r/loadingicon/comment…
u/tylertoomey

Can you explain how you are declaring your variables? specifically in "8+i%2*4+2*o+C" you reference 'o' and 'C' before they have even been declared -- I think.
u/pavel

for(i=9;i--;/*code here*/)/*runs after code here*/
u/ivylab

Exactly the other way around, isn't it? First the code after the bracket runs and then the code in the brackets. Your declaration is behind them. c.width=1e3;for(i=9;i--;x.fillStyle='red')x.fillRect(112*i,0,100,1000) shows that too.
u/sigveseb

Or in other words, a for loop for(A; B; C) D; will run the different parts in this order: A B D C B D C B D C .. B
u/ivylab

Exactly what I think and meant. Well written @sigveseb
u/joeytwiddle

beginPath, arc and do-si-do 🕺💃 🎻
u/UEZ

#dance

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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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iznax

function u(t) {

s='🧑'
eval(unescape(escape`𭱩𭁨𚁸𚑦𫱲𚁔👴𚠷𙐱𞐬𨰮𭱩𩁴𪀽𞐹𛁩🐲𞀻𪐭𛐻𩡩𫁬𥁥𮁴𚁳𛀴𜠬𜐸𚐩𩡯𬠨𪰽𝀻𪰭𛐻𤐽𪰦𜑞𬑞𪰾𜐬𩡩𫁬𤱴𮑬𩐽𤠨𤐼🀸𚐬𩡩𫁬𤡥𨱴𚀴𜀮𝐫𚁫𧡱𚐪𝀫𤰨𪐯𞐩𚡃𚁔𚰡𤐪𜰩𚠲𛀱𞀫𪐬𝀬𤑼𪐼𜐴𚐩𬐽𚁫🀲🰶𝰺𜐰𜰩🠾𥀯𜰮𜠦𜐻`.replace(/u../g,'')))

Apr 10 2020 4:53 AM UTC

}// 139/140

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The Backpack Kid Floss #Dance

u/iznax

Struggled to fit... low-res to reduce constants and ditch the font size :(
u/sigveseb

Proper occlusion of the hands and everything!
u/katkip

Wow!

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jellyedwards

function u(t) {

c.style=`background:linear-gradient(#000, #00F, #FFF)`
c.width=500
for(i=7;i--;x.fillText("👫🏻",(i+S(t)-1)*95,300))
x.font='70pt A'

Apr 13 2020 2:15 PM UTC

}// 130/140

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river #dance from the waist up #default

u/jellyedwards

shite should have said #dancing I guess

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BriSeven

remix of d/18118 by u/BriSeven

function u(t) {

c.width|=e=24
for(i=9,b=400,d=(C(t*3)+C(t*9))**3*e;i--;)h=i/4,g=t+h,x.fillRect(940+S(g)*(b+d),(f=C(g)*50)+b-C(g*e)*e,f,(-C(g)+1)*100+100)

Apr 3 2020 11:46 AM UTC

}// 137/140

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conga bump #default #dance (the first version was missing something)

u/pavel

shouldnt they get thinner in the back, not wider?
u/pavel

Here is a rough starting point using real orthographic projection for(c.width|=i=9;i--;x.fillRect(960+2e3*S(a)/z-s/2,540+2e3*y/z-s*2,s,4*s))y=S(i+t*39)/99,z=3+C(a=i/8+t),s=99/z
u/BriSeven

they get thinner at the edges and shorter in the back. the fatter appearance is an optical illusion from the perspective
u/BriSeven

i imagine them as thin sheets of material rather than as cylinders.
u/BriSeven

it would probably look better if the front and back had the same aspect ratio but there’s only room for so many sine/cosine functions

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f8f82804

remix of d/12295 by u/f8f82804

function u(t) {

with(x)for(c.width|=0,scale(9,9),i=12;j=i--*1.57;beginPath(fill()))arc(107+45*C(A=j-t+i/2),60+45*S(A),14,(a=(t+j)%6)-2,a)

Feb 11 2019 9:49 PM UTC

}// 121/140

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#crab #dance

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