Dweets awesomed by u/KilledByAPixel

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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rodrigo.siqueira

remix of d/15526 by u/mildlybean

function u(t) {

Z=_=>S((Y*Y+X*X)*S(t))
for(c.width=i=1024;i-=1/8;x.fillRect(48*(X*2+Y*C(t)+11),48*(S(t)*X/2-Y*S(t)+z),1,5))z=6-Z(X=i%8-4,Y=i/128-4)

Aug 26 2019 11:18 PM UTC

}// 131/140

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Rotating sombrero. Remix from @tomxor https://www.dwitter.net/d/15530 , faster, smaller. Now the surface also rotates.

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robbyg

function u(t) {

t||(Z=150,V=Math.random()*5)
x.beginPath()
if(t<4.01)P=t*180|0,x.fillStyle=R(I=P/3%240,I,I),x.fill(x.ellipse(960,900-P,Z+=C(t*V),50,0,0,7))

Aug 26 2019 9:33 PM UTC

}// 139/140

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Vases, inspired by https://codepen.io/Gthibaud/pen/gOYwNPM

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rodrigo.siqueira

remix of d/15526 by u/mildlybean

function u(t) {

Z=(X,Y)=>S((Y*Y+X*X)/299+t*9)*9
c.width|=0;for(i=-80;++i<80;)for(j=-50;++j<50;x.fillRect(960+i*d+j,540-(j+h)*d,3,3))d=3e3/(410+(h=Z(i,j)))

Aug 26 2019 8:25 PM UTC

}// 138/140

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Sombrero function. Added +j (in fillRect x coordinate) to add perspective. Changed -64/+64 ("for i" and "for j") to other intervals so it can fit the image better and also removed .7* multiplications to get more space for equation.

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mildlybean

function u(t) {

Z=(X,Y)=>S(X*Y/999+t*9)*9
c.width|=0;for(i=-64;++i<64;)for(j=-64;++j<64;x.fillRect(960+i*d,540-.7*(j+h)*d,3,3))d=3e3/(400+.7*(j-(h=Z(i,j))))

Aug 26 2019 1:51 PM UTC

}// 140/140

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It will graph any equation you put on the first line. Give it a try, I'd love to see your remixes!

Show more comments…
u/mildlybean

S((X*X+Y*Y)**.5/4-t*16)*16 is interesting
u/tomxor

Neat! #application , shameless plug to my old retro version: d/12669
u/tomxor

yours has a much nicer resolution: Z=(X,Y)=>S((X*X^Y*Y)**.1-t*8)*16
u/katkip

Z=(X,Y)=>S(X/9*C(t)+Y/9*S(t))*9 is cute
u/tomxor

moire: Z=(X,Y)=>t
u/katkip

Any formula has a moire actually
u/mildlybean

Especially (X+Y)%2==0?0:S(t*2)*50

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atgz

remix of d/10008 by u/atgz

function u(t) {

d=+t
for(i=700;i--;x.fillRect(960+(b=t*i--%1e3)*C(a+t),540+b*S(a+t),9,9))x.fillStyle=`hsla(${a=t*d*T(i/1e4)},99%,${i}%,.4`

Aug 26 2019 12:56 PM UTC

}// 122/140

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taupelink

remix of d/15522 by u/taupelink

function u(t) {

eval(unescape(escape`景爨椽搽攽昽朽栽ㅥ㌻椭ⴻ砮晩汬剥捴⡤⩺簰ⱥ⩺簰ⰱⰱ⤩孤ⱥⱦⱧⱨ崽嬨爽䵡瑨⹲慮摯洨稽㤰⤪穼〩⼳⭃⡤⭨⤬爥ㄱ⭦⩓⡤⭨⭲⼲⤫未支㤬爥㌫术稬⡲⬱⤥㌫栯稬⡲⬲⤥㌫是穝ⱸ⹦楬汓瑹汥㵒⡦⩺Ⱨ⩺ⱨ⩺⤻`.replace(/u(..)/g,"$1%")))

Aug 26 2019 1:50 AM UTC

}// 140/140

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Proof of concept...three parameters. Compression by https://www.dwitter.net/d/9207

u/taupelink

Code: for(i=d=e=f=g=h=1e3;i--;x.fillRect(d*z|0,e*z|0,1,1))[d,e,f,g,h]=[(r=Math.random(z=90)*z|0)/3+C(d+h),r%11+f*S(d+h+r/2)+g*e/9,r%3+g/z,(r+1)%3+h/z,(r+2)%3+f/z],x.fillStyle=R(f*z,g*z,h*z)

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pavel

remix of d/15511 by u/katkip

function u(t) {

with(x)for(c.width|=i=7,translate(960,540);i--;fillRect(-2e3,-2,4e3,4))rotate(q=Math.PI/7),beginPath(fill(arc(S(t+i*q)*500,0,50,0,7)))

Aug 25 2019 2:28 AM UTC

}// 134/140

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u/aleamb

relaxing!
u/katkip

thx for more precision

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katkip

function u(t) {

c.width|=0;x.translate(z=960,540);for(i=7;i--;x.fillRect(-z,0,2e3,4))x.beginPath(),x.fill(x.arc(S(t+i*1.68/4)*500,0,50,0,7)),x.rotate(.45)

Aug 24 2019 12:27 PM UTC

}// 138/140

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That #illusion that everybody knows but not very precise because of golfing. https://media1.tenor.com/images/4ba3468dfd7f…

u/aleamb

relaxing!

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DataMeta

remix of d/15449 by u/DataMeta

function u(t) {

c.style.background=R();if(t<2)for(i=1920;i--;)x.fillStyle=R(l=S(t)*i/7,l,l),
x.fillRect(i,540+S(C(t+i/64+l/64))*S(t)*i/4,9,9)

Aug 24 2019 1:04 AM UTC

}// 125/140

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#d3 #shading #lighting

u/pasacaglia

Cool
u/Qwitter

bone paper!

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16mm

function u(t) {

w=1920
z='translate'
l='lineTo'
d=960
e=d*.6
o=132
x.moveTo(d,e)
x[l](d-o,w)
x[l](d+o,w)
x.fill()
x[z](d,e)
x.rotate(Math.PI/10)
x[z](-d,-e)

Aug 23 2019 9:29 PM UTC

}// 140/140

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siemens star

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