New #dots 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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Yogeshp3

remix of d/6244 by u/RUNIE

function u(t) {

c.width|=v=32
for(l=0;l<572;l++)d=l%v*v,x.fillStyle=`hsl(${t*150-d},99%,65%)`,x.fillRect(960+S(r=(1/C(t-d/5))+l/v*.35)*d,540+C(r)*d,v,24)

Jan 22 2018 4:19 PM UTC

}// 137/140

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washing machine swirel

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d0n.key

function u(t) {

c.width*=1;
for(i=0;i<20;i++)r=50*(2+.8*S(4*t+i+1.5)),x.beginPath(),x.arc(260+i*75,540+S(4*t+i)*80,r/5,0,9),x.fillStyle=R(r,0,r),x.fill()

Jan 12 2018 10:18 AM UTC

}// 137/140

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u/iverjo

#dots

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coderkid

remix of d/5186 by u/coderkid

function u(t) {

if(t%2<1){c.width|=0;x.font="14em 💩";for(s=9;s--;)for(a=8;a--;)x.fillText(['◐','◑','◒','◓'][(Math.floor(Math.random()*4))],s*213,a*216-9);}

Jan 7 2018 6:47 PM UTC

}// 139/140

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u/iverjo

#dots

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eviltoad

remix of d/5517 by u/eviltoad

function u(t) {

for(i=255;i>0;i--)
z=i+t,s=(C(t*10.+i)+i*t*0.5*S(t*i*.1)),x.fillStyle=R(i*S(t),i*C(t),99/T(t*i)),x.fillRect(960+S(z)*s, 540+C(z)*s, 5, 5)

Jan 4 2018 6:52 PM UTC

}// 137/140

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u/joeytwiddle

#spiral #dots

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ionre

function u(t) {

c.width^=0
for(i=0;i++<70;){x.beginPath()
x.fillStyle=R(40,150,0,i/70)
a=100+12*i
b=i*(t+9)/32
x.arc(960+a*C(b),540+a*S(b),30,0,7)
x.fill()}

Jan 1 2018 1:53 AM UTC

}// 140/140

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u/iverjo

#spiral #dots

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mnt

remix of d/4342 by u/retera

function u(t) {

c.width=w=999,v=t+400;for(q=255;q--;){x.fillStyle=R(q,q,q);x.beginPath();x.arc(w/2+C(v-q)*(v+q),240+S(v-q*6)*(v-q),40,0,6.283,!1);x.fill()}

Dec 29 2017 4:06 PM UTC

}// 139/140

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u/iverjo

#dots

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zanella

function u(t) {

w=1920;h=1080;r=Math.random;x.fillStyle=R(0,0,0,.1);x.fillRect(0,0,w,h);x.fillStyle='#1ef';x.beginPath();x.arc(r()*w,r()*h,22,0,6);x.fill()

Dec 29 2017 1:49 PM UTC

}// 139/140

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u/iverjo

#dots #random

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cantelope

remix of d/3246 by u/cantelope

function u(t) {

for(x.fillRect(0,0,i=(w=960)*3,i);i--;x.clearRect(w+(S(q=i/381+S(t)*2)*Z)/(Z=C(q)*Z-7)*w,540+S(p)*v/Z*w,6,6))Z=C(p=i/63.67)*(v=i%8/8+1)+3

Oct 5 2017 5:53 AM UTC

}// 137/140

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new dweet exporter site https://dweet.net/194/3252

u/innovati

Very nice!
u/cantelope

should probably have done 63.67+t
u/sigveseb

Nice!
u/joeytwiddle

#perspective #dots

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kchplr

function u(t) {

P=t?(C(t)+1)*1e6:A=[];B=[X=P>>9,Y=P%1e3,M=P&127,0,7];A.some(([o,p,q])=>Math.hypot(X-o,Y-p)<q+M)||x.beginPath(A.push(B))|x.fill(x.arc(...B))

Aug 20 2017 6:56 PM UTC

}// 139/140

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A brute force approach to circle packing. A lot of thanks to jsgolf slack channel residents @xem and @qfox helped **a lot** reducing my original 167 characters attempt ( https://codegolf.tk/a/152 ), as in actually doing most of it. I honestly did not think reaching 140 bytes was possible.

u/Xen

done you a remix ;)
u/sigveseb

Excellent stuff
u/iverjo

#dots

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magna

remix of d/2604 by u/magna

function u(t) {

for(i=c.width=w=192;i--;)for(j=w;j--;!!('ưưƠƀÃÇÏÏ'.charCodeAt(j&7^f*7)-w&1<<(i%8^(X+Y&1)*7))^f&&x.fillRect(i,j,1,1))X=i>>3,Y=j>>3,f=t*X/Y&1

Apr 26 2017 10:17 PM UTC

}// 139/140

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Filled truchet tiles, now animated thanks to shaving by @donbright

u/donbright

the thing that strikes me is the black and white balls never move, only their connections.... but it looks like the whole plane is aliv
u/magna

@donbright To achieve that: Starting with a single tile, every other tile is flipped on the X axis. And then to flip a tile, I need to both invert the tile's pixels and also to flip it on the Y axis. Lots of XOR was needed :)
u/sigveseb

Excellent
u/iverjo

#dots
u/magna

#truchet

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