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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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rodrigo.siqueira

remix of d/32378 by u/rodrigo.siqueira

function u(t) {

for(x.reset(j=10);j--;)for(i=2e3;i--;)R=60*j+40,x.fillRect(740+T(i**3+R)**(1+t/2)+S(i)*R*.7,R+99+C(i+S(t*2+j/3)/4)*R*(.3+S(j/4)/5)+90/t,4,5)

Sep 14 2024 7:45 PM UTC

}// 140/140

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Conical dust #wind #particles

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taupelink

remix of d/32389 by u/taupelink

function u(t) {

g=n=>((X*n%6-3)**2+(Y/n%6-3)**2-9)**2>>2;for(i=2e4;i--;x.fillRect(480+30*X,30*Y,w=g(j=2+i%3)+g(1/j)==g(1)?4*t/t**t:0,w))X=i*i*t%36,Y=X*i%36

Sep 14 2024 2:54 PM UTC

}// 139/140

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d/32416

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rodrigo.siqueira

remix of d/32398 by u/rodrigo.siqueira

function u(t) {

for(x.reset(i=5e4);i--;c.style.filter=`invert(`)x.fillRect(X=960+S(k=i/180-S(i*i)*1.5+t/16)*i/25,Y=540+C(k)*i/(39+C(t)*8)+i/80-210,2,2)

Sep 13 2024 12:24 PM UTC

}// 135/140

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Above the Mountain #spiral #mountain

u/magna

Amazing!
u/lewdev

In full screen, it looks epic! With 5b to spare too!

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magna

remix of d/32412 by u/lewdev

function u(t) {

eval(unescape(escape`󮌮󩭯󫭴󟜧󜽥󫜢󙼻󭜽󭍼󜌻󦌽󚍵󙬳󚜪󝌸󜌻󦜽󚍵󟬾󜬩󚬱󝜴󞽦󫽲󚍩󟜴󝼰󞽩󛜭󞽩󟽸󛭦󪝬󫍒󩝣󭌨󦌫󪜬󦜫󝼷󛝍󨝴󪍛󩭝󚍩󛼵󞜭󝌩󚬶󝌥󝬴󛌱󛌱󚜺󮌮󩭩󫍬󥍥󮍴󚍦󛍘󛍙󚼸󝼩󚝦󟝒󩝦󫍥󨽴󛭯󭽮󢽥󮝳󚍍󟝍󨝴󪌩󛭦󪝬󭍥󬬨󬌽󟭍󦽰󧜮󫍥󫭧󭍨󟜽󜜩󒭛󭜥󜬸󧜻`.replace(/u../g,'')))

Sep 13 2024 3:36 AM UTC

}// 137/140

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All unary Math functions

u/magna

(There's something off with the x/y normalization)
u/lewdev

Reflect.ownKeys was what I was looking for because Object.keys didn't work!
u/magna

Kudos ChatGPT for showing me that
u/danny@hille.dk

dang, this old dog just learned a new trick today, - thanks!

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magna

remix of d/32381 by u/magna

function u(t) {

u=t|0;X=u&3;Y=u>>2;X*=480;Y*=270;for(j=18;j--;)for(i=791;i--;T=10*j-2)x.fillRect(X+240+S(i+S(j/3+t)/3)*T,Y+135+C(i)*T*(.4+S(i+t)/4),1,.1)

Sep 13 2024 2:40 AM UTC

}// 137/140

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Shiny seashells

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lewdev

function u(t) {

eval(unescape(escape`睩瑨⡍慴栩睩瑨⡸⥦潲⡦潮琽∲捭✢Ⱪ㴸㭦楬汓瑹汥㵠桳氨⑻椪㐰紬㤹┬㐰┩怬椭ⴻ晩汬呥硴⡦⹮慭攬椪㈴〬ㅥ㌩⥦楬汒散琨琪㤹┲攳ⰷ〰⴨昽孬潧ⱓⱃⱔⱦ汯潲Ᵽ敩氬牯畮搬獱牴嵛楝⤨琩⨹㤬㤬㤩`.replace(/u([^D].)/g,'$1%')))

Sep 12 2024 8:52 PM UTC

}// 138/140

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📈 See Math functions visually

u/cantelope

missing power (exp>1)... beautiful otherwise!
u/cantelope

e.g. with(Math)with(x)for(font="2cm'",i=9;fillStyle=`hsl(${i*40},99%,40%)`,i--;fillText(f.name,i*220,1e3))fillRect(t*99%2e3,700-(f=[log,S,C,T,floor,ceil,round,sqrt,exp][i])(t)*99,9,9)
u/magna

I love it!
u/magna

I plotted (shittily) all 28 unary functions: d/32414
u/lewdev

Thanks u/cantelope I didn't know about that one. u/magna your remix is awesome. I didn't know about all of those single-argument functions in Math. There's so much more JavaScript to learn!

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zadgy5534

function u(t) {

for(i=w=c.width=2e3;i--;){
x.fillStyle=R(w%i,w/i,w-i*i);
x.fillRect(960+C(w%i^t)*T(t)*99,540+S(w/i*t)*T(t)*99,35,35);}

Sep 12 2024 10:22 AM UTC

}// 118/140

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Scaling !

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c2k

function u(t) {

c.style.filter='invert('
c.width=1980
for(i=0;i++<1e4;)x.fillRect(
900+ T(i)*100,
2100 -C(S(t*C(t+i)/2))*2000,
15,5)

Sep 12 2024 6:58 AM UTC

}// 116/140

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Making waves

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c2k

function u(t) {

MV=100;DR=5;
c.width=1980
p=(s,d)=>[(g=((s%MV)*2-d*DR)*d/2)*C(s),g*S(s)]
for(i=0;i++<1e3;){f=p(i,t*9-i);x.fillRect(900+f[0],500+f[1],15,15)}

Sep 12 2024 6:22 AM UTC

}// 140/140

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Something in the center

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c2k

function u(t) {

o=100
b=2e3
r=(q)=>T(q*b)*T(q)*b
p=i=>[980+C(i)*500,S(i)*o]
c.width=b
for(i=0;i++<1e4;){l=p(r(i)+t)
x.fillRect(l[0]%b,r(i+4)+l[1],10,10)}

Sep 12 2024 5:32 AM UTC

}// 137/140

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Tornado!