Dweets awesomed by u/Erazed

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: #ScaryMovies

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23_Skidoo

remix of d/12291 by u/23_Skidoo

function u(t) {

for(s=24,d=360,i=4e3;i--;f=(C(X)*s+Y)/d-t,x.fillStyle=`hsla(${S(f)*d} 66%${C(f*9)*C(f*s+t)*51+Y/d*8}%`)x.fillRect(X=i%82*s,Y=~~(i/82)*s,s,s)

Feb 11 2019 9:11 AM UTC

}// 140/140

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u/pavel

FYI the trick of not putting a delimiter between s and l in the hsl call does not work in Safari, its all just black.
u/sigveseb

Kinda looks like a knitted sweater :)

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xem

function u(t) {

c.width^=0;x.font="300px arial";s=(t*500)%1080;z=(a,b,c)=>x.fillText(a,(~~(s/b))*b,c);z("15fps",32,300);z("30fps",16,675);z("60fps",8,1050)

Feb 10 2019 7:46 PM UTC

}// 139/140

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How fast are your eyes?

u/magna

Nice!
u/Galaxtone

(People who think you can only view 30fps): No you just cheated and made 60fps -> 30, 30 -> 15 and 15 ->
u/Galaxtone

7.5*
u/Galaxtone

and I'm like (Me): Why would anyone lie on the internet

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tomxor

function u(t) {

x.fillRect(0,0,i=2e3,i)
for(t+=160;p=i&1,m=t/C(t/i)+p*(t/2+i%t),i--;)x.clearRect(
960+m*S(n=t/9+i*i)*C(!p*i/t),
540+m*C(n+p*2),s=3-C(n)*3,s)

Oct 17 2018 8:45 PM UTC

}// 140/140

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#space #planet #saturn

Show more comments…
u/joeytwiddle

Wow, beautiful! I am blown away. #dots #lighting #shading
u/lionleaf

Wow! That's amazing
u/magna

WOW!
u/sigveseb

no way!
u/yonatan

beautiful!
u/jellyedwards

That's incredible, well done!
u/jellyedwards

If you change this bit too use t it's like Saturn uses its ring as a hula hoop: 540+m*C(n+p*t)
u/katkip

woow... gj bro
u/keithclark

Nice!!!
u/aleamb

wow! superb!
u/iverjo

That's pretty rad
u/rnbw

my mind is officially boggled o_o
u/Purpzie

This is absolutely beautiful.
u/tomxor

Thanks for all the kind comments :) for those interested: the key is in the parity bit p=i&1 this allowed me to combine two different but similar functions by multiplying parts in an out on each iteration. You should be able to pull the two apart into something more intelligible.
u/magna

@tomxor are you on Twitter as @tomxor by any chance?
u/tomxor

I am not, nor am I on any other social network... unless you consider Github one :P but a different pseudonym..
u/jylikangas

Beautiful dweet!
u/aleamb

The Cosmos is all that is, or ever was, or ever will be. The contemplation of the this Cosmos stir us.
u/Renaud___

so Beautiful
u/ivylab

This is absolute badass
u/vain

OMG! This part blew me away!
u/jdspugh

Well done!

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f8f82804

remix of d/10512 by u/f8f82804

function u(t) {

with(x){beginPath();fillStyle='#fff3';for(i=17;i--;lineTo(960+a*S(p)/.7,540+(i&4?a:-a)))a=960/(3+C(p=t+1.57*(i-(i>>2))));fill();stroke();}

Oct 17 2018 3:05 AM UTC

}// 138/140

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#perspective #d3 #cube #fullhd

u/f8f82804

#wireframe

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tomxor

function u(t) {

x.fillRect(0,0,1e4,1e4)
t+=16
n=1200
i=3768
for(;i--;)x.clearRect(
960+240 * S(i/n) * S(i+t/4),
640-240 * C(i/n) / C(t*8/i)
,4,4)

Oct 14 2018 4:11 PM UTC

}// 129/140

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Bulbous

u/magna

Very pretty
u/rbong

Nice orb
u/lionleaf

#champagne #bulb #bulbous
u/joeytwiddle

#organic #onion
u/tomxor

Oh yeah... didn't think of onions. Challenge: garlic?

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pythech

remix of d/8691 by u/pythech

function u(t) {

with(x)for(c.width|=k=160;k--;fill())i=k&31,j=k>>5,arc(21*i*(5+C(t))+200*i-120*C(t+j*3),200*j+20*C(i+t),190,!beginPath(fillStyle=R(j*65)),9)

Jun 22 2018 4:49 AM UTC

}// 140/140

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Red sea

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DirtyDan

function u(t) {

p=44/7
r=200+150*S(t/9+p/2)
for(c.width+=i=0;i++<32;)x.arc(r*i,540,r,t*i,t*i+p)
x.stroke()

Mar 23 2018 4:48 PM UTC

}// 90/140

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#mechanism

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nystrand

remix of d/6046 by u/nystrand

function u(t) {

for(i=w=2e3;--i;x.fillStyle=R(N*a/4,50+a*3+w,w,.1),x.fillRect(-2,-a,6,w,w=3))a=i%32,x.setTransform(32-a,w,C(t-i/333)*9+w,N=9-T(i>>5),i,1070)

Mar 23 2018 3:53 PM UTC

}// 140/140

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Color version

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u/BuRRak

Amazing
u/aleamb

wow!
u/jylikangas

What a clever way to do the background. I also like how you used Math.tan to get the trees.
u/magna

wat.
u/sigveseb

<3
u/iverjo

Niiice
u/joeytwiddle

very nice again! :)
u/iverjo

#grass
u/joeytwiddle

#tree #trees #palm #palm_tree #organic #landscape
u/joeytwiddle

#scene ;-)

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jylikangas

function u(t) {

for(c.width=i=608;i--;i%320<64&&i&2||i>447&i%32<5||x.fillRect(99+S(A)*(60+9*(i>255)),(i>>5)*11+Q*9,9+i%5,9))x.globalAlpha=Q=C(A=i/5.09+S(t))

Mar 23 2018 5:38 AM UTC

}// 140/140

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Spooky medieval tower

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u/Pjaerr

That's cool!
u/p01

I see what you did with the globalAlpha. Same trick as in https://www.dwitter.net/d/5747
u/aleamb

great!
u/sigveseb

A+++
u/joeytwiddle

coool
u/tomxor

This reminds me of the old game 'Nebulus": https://youtu.be/aI2UHTT18bs?t=28
u/KilledByAPixel

#castle
u/katkip

i bet you are the winner
u/vain

oh my god. absolutely unbelievable! as tomxor said - it reminds of the great Nebulus game

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yonatan

function u(t) {

for(w=(c.width=h=i=2e3)/50;i--;x.fillRect(X+S(p=t*4-d)*30,Y+C(p)*30,9,9))d=((h/2-(X=w*i%(h+w*8)-w*2))**2+(540-(Y=(i/58|0)*w-w*2))**2)**.5/65

Mar 21 2018 5:41 PM UTC

}// 140/140

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remix of cantelope's https://codegolf.tk/a/189

dwitter.net | Erazed (3085)