Dweets awesomed by u/UEZ

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: #Food

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marc8

remix of d/12844 by u/marc8

function u(t) {

c.width|=p=-.5
g=(a,b)=>{for(i=6.28;i>0;){z=S(b*t+i*20+a/340)
x.arc(a,550,999+90*(z>p?z>1+p?1+p:z:p),i-=.01,i)}}
g(0,-6)
x.fill(g(2e3,6))

Mar 24 2019 5:23 PM UTC

}// 137/140

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Better shaped gears thanks to your suggestions

u/katkip

Awesome! even if I don't understand anything of the code
u/katkip

#gear
u/Qwitter

Mesmerizing

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marc8

function u(t) {

c.width|=d=.01
function g(a,b,n,r){for(i=6.28;i>0;)x.arc(a,550,r+50*(S(b*t+i*n)>0),i-=d,i)}x.fill(g(1400,9,14,300));x.fill(g(600,-9,21,450))

Mar 20 2019 10:39 PM UTC

}// 140/140

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Very rough gears. Don't try this at home.

u/tomxor

With an arrow function there is enough space for some tapered gears :) g=(a,b,n,r)=>{ then i-=d,i+.05)
u/tomxor

Arrow function seems to need a space after the } though !
u/somebody

c.width+=0 and replacing d with .1 directly saves two bytes. might be able to improve the tapering or something
u/katkip

#gear
u/aleamb

amazing!

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Jezza

remix of d/12736 by u/Jezza

function u(t) {

x.fillRect(0,0,1920,1080);X=C(t/2)*6+16;Y=S(t/2.1)*6+9;x.globalAlpha=.05;for(i=99;i--;)Z=S(Y),Y+=C(X),X+=Z,x.clearRect(X*60,Y*60,5,5)

Mar 15 2019 12:30 AM UTC

}// 133/140

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Shoutout to @katkip for #attractor rabbit hole.

Show more comments…
u/tomxor

wow
u/katkip

Nice
u/aleamb

yeah!
u/jick

Wow!
u/lionleaf

That's amazing!
u/lionleaf

#grid
u/sigveseb

Rad
u/vain

How? So beautiful and impressive

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pavel

function u(t) {

for(w=c.width=1e3,i=99;r=10*i--;i?x.stroke():x.fill())x.beginPath(p=(1+t/2-r/w)%2),x.ellipse(480,270+20*S(p*40)/9**p+!i*w*(p-2),r,r/3,0,0,7)

Mar 6 2019 7:01 AM UTC

}// 140/140

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#water #drop

u/katkip

Looks good
u/aleamb

great!
u/mcdxn

damn!

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DataMeta

remix of d/12586 by u/Xen

function u(t) {

for(c.width|=i=135;i--;x.arc(960+C(t*27+i/(t/9+99))*9,540+S(t*9+i/3)*6,i/.9*t%1111,0,x.lineWidth=7))x.beginPath(x.stroke())

Mar 3 2019 1:08 AM UTC

}// 123/140

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resonance

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u/DataMeta

big up to original
u/DataMeta

modify 'i' for different effects
u/sigveseb

#waitforit
u/Xen

Nicely done mate
u/magna

keeps on giving!
u/lionleaf

I was waiting for it pop like a balloon

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katkip

remix of d/12106 by u/katkip

function u(t) {

c.width*=1;f=a=>{if(a>9)x.beginPath(),x.arc(950+C(a/799*S(a/99+t)-t)*a/2,540+S(a/799*C(a/99+t)+t)*a/2,a*2-20,0,7),x.stroke(),f(a-2)}
f(1000)

Feb 2 2019 5:10 PM UTC

}// 140/140

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Another #wave with an interesting #moire

u/katkip

btw #recursive

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joeytwiddle

remix of d/11968 by u/joeytwiddle

function u(t) {

c.width|=0;o=t*7%15.7-22/7;j=o>0;w=(99-j*80-j*o*1.6)*S(!j*o+j*o*4);x.ellipse(920,850-j*600*S(o/4)-w,200-w,200+w,0,0,7);x.fill()

Jan 27 2019 5:54 AM UTC

}// 127/140

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New_Core's bouncing ball + squash = jumping jack

u/katkip

Nice
u/katkip

#physics #jelly
u/DataMeta

Delightful!
u/joeytwiddle

Change o*4 to o*3 for a slower wobble

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cantelope

function u(t) {

eval(unescape(escape`𩡯𬠨𭰽𞐶𜀬𮁛𩠽𙱦𪑬𫁒𩑣𭀧𧐨𜀬𜀬𪐽𚁣𛡷𪑤𭁨𯀽𜀩𛁩𚐻𪐭𛐻𮁛𩡝𚁷𚰨𤰨𨠩𚠳𚱓𚁰👩𚡩𚱴𚐪𤰨𬐽𪐪𪐪𪐩𚐯𚁚🐶𚱃𚁢𚐪𜰫𠰨𬀩𚡓𚁱𚐩𚡷𛀵𝀰𚰨𠰨𬐩𛑃𚁢𚱴𚐩𛱚𚡷𛁳🐱𚰱𝐰𛱚𛱚𛁳𚐩𮀮𩡩𫁬𤱴𮑬𩐽𨁨𬱬𚀤𮰨𨠽𪐥𝠫𭀩𚠶𜁽𛀹𞐥𛀶𝐥𨀻`.replace(/u../g,'')))

Jan 26 2019 7:00 AM UTC

}// 140/140

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for(w=960,x[f='fillRect'](0,0,i=(c.width|=0),i);i--;x[f](w+(S(b)*3+S(p=i*i+t)*S(q=i*i*i))/(Z=6+C(b)*3+C(p)*S(q))*w,540+(C(q)-C(b+t))/Z*w,s=1+150/Z/Z,s))x.fillStyle=hsl(${(b=i%6+t)*60},99%,65%

u/adaq

d

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katkip

remix of d/11741 by u/katkip

function u(t) {

c.width^=0;for(i=800;i--;)x.lineTo(960+S(i*S(i)+t/9)*500,540+C(i*S(i)+t/9)*500);x.fill()

Jan 11 2019 2:46 PM UTC

}// 88/140

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#earth planet

u/13thptr

woah
u/username

does not look like earth though
u/joeytwiddle

It does look like a #planet though. Cool effect for 88
u/katkip

That line in the middle looks a bit like Rusia
u/magna

Awesome technique! You could potentially add a way to "seed" the generation with a number and then search for a seed that resembles the Earth the most using brute-force.

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pavel

function u(t) {

for(c.width=480,x.rotate(X=Y=q=.785),r=6;r--;X+=f(0),Y+=f(2))R=1<<r,x.strokeRect(X+265-R,Y-74-R,2*R,2*R),f=n=>R*Math.atan(16*C(t+(n-r%2)*q))

Dec 23 2018 9:53 AM UTC

}// 140/140

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Squares #beesandbombs

u/katkip

So smooth!

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