Dweets awesomed by u/AdamLantz

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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KilledByAPixel

remix of d/13325 by u/KilledByAPixel

function u(t) {

for(i=0;i<2e3;x.fillRect(i?960+i*S(F=260*(t+9)/i+S(i*i)):0,i?500+.2*(2*i*C(F)+2e4/i):0,K=i++?S(i)*9:2e3,K))x.fillStyle=R(99*i,2*i,i,i?1:.4)

Apr 20 2019 7:07 PM UTC

}// 139/140

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#blackhole

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u/DataMeta

Quite cool!
u/katkip

wow
u/aleamb

epic!
u/donbright

#space #astronomy
u/KilledByAPixel

Full explanation on my blog: http://frankforce.com/?p=6378
u/chenliang

cool
u/katkip

top of the year

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AdamLantz

function u(t) {

x.font="1080px Arial"
x.fillStyle="tomato"
x.fillText("hot dogs",0,820,1920)

Mar 15 2019 5:25 PM UTC

}// 76/140

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Remix me.

u/andrea270872

LOL
u/Xen

Done
u/midnoclose

Done

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yokljo

remix of d/12755 by u/Jezza

function u(t) {

x.fillRect(0,0,1920,1080)
X=C(t)*4+16
Y=S(t)*2+9
for(i=9;i--;)Z=S(Y),Y+=S(X),X+=Z,x.clearRect(X*60,Y*60,3*i,3*i)

Mar 15 2019 9:24 AM UTC

}// 112/140

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I haven't actually put the time into understanding how this works, but that doesn't stop me from remixing it!

u/lionleaf

#attractor :)

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Xen

remix of d/12748 by u/AdamLantz

function u(t) {

o=127;p=2;
for(i=200;i--;x.fillStyle=R(o+o*S(t),o+o*S(t-i),o+o*S(t+i),.5))
x.fillRect(935+S(i+t)*935,C(t+i/9)*515+515,50,i)

Mar 15 2019 7:34 AM UTC

}// 123/140

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u/tomxor

Nice colours :)
u/Xen

Thank you

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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.

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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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AdamLantz

remix of d/12747 by u/AdamLantz

function u(t) {

o=127;p=2;
x.fillStyle=R(o+o*S(t),o+o*S(t-p),o+o*S(t+p))
for(i=0;i<200;i++)
x.fillRect(935+S(t+i)*935,C(t+i/2)*515+515,50,50)

Mar 14 2019 6:00 PM UTC

}// 125/140

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AdamLantz

function u(t) {

o=127;p=2;
x.fillStyle=R(o+o*S(t),o+o*S(t-p),o+o*S(t+p))
for(i=0;i<20;i++)
x.fillRect(935+S(t+i)*935,C(t+i/2)*515+515,50,50)

Mar 14 2019 5:59 PM UTC

}// 124/140

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AdamLantz

function u(t) {

c.width=1920;I=44;W=515
for(i=0;i<I;i++){
x.fillStyle=R(Y=i*I%255,Y,Y)
x.fillRect(935+S(t-0.1*i)*215, W+C(t-0.01*i)*W, 50, 50)
}

Mar 14 2019 5:15 PM UTC

}// 128/140

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It's a... snake?

u/Xen

Nice

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dragon7076

function u(t) {

o=127
p=Math.PI*2/3
x.fillStyle=R(o+o*S(t),o+o*S(t-p),o+o*S(t+p))
x.fillRect(0,0,1920,1080)

Mar 12 2019 2:11 PM UTC

}// 91/140

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mathematically correct sine rainbow, replace p with 2 for approximate, but more compact, sine rainbow

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u/dragon7076

dang I forgot the 0.5 on 127
u/dragon7076

it's mathematically correct ¯\_(ツ)_/¯
u/dragon7076

it's not*
u/katkip

?
u/Undefined

o=127.5 p=Math.PI*2/3 c.style.background=R(o+o*S(t),o+o*S(t-p),o+o*S(t+p)) - you don't need to fill the entire screen to set a background ;)
u/katkip

Oh I understand now what's this

You've reached the end.

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