Dweets awesomed by u/aemkei

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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f8f82804

remix of d/11919 by u/mxfh

function u(t) {

for(c.width|=i=384;i--;x.fillRect(960-w/2+e,4*i,w+e,4)){y=i/80-2;w=y>.7?3e3:(1-y*y)**.5*640;e=T(t/9+i*w);x.fillStyle=`hsl(${-y}rad 99%50%)`}

Jan 24 2019 8:12 PM UTC

}// 140/140

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#minimal #outrun #glitch #sunset

u/f8f82804

d/11931
u/pavel

Omitting the space in 99%50% does not work in Safari, everything is black.
u/f8f82804

yeah safari stinks
u/f8f82804

try "for(c.width|=i=384;i--;x.fillRect(960-w/2+e,4*i,w+e,4))y=i/80-2,w=y>.7?3e3:(1-y*y)**.5*640,e=T(t/9+i*w),x.fillStyle=hsl(${-y}rad 99% 50%)" which should work and is still <140
u/bekfast2390

easrdfghj

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magna

function u(t) {

defaultDweet()

















function defaultDweet(){for(c.width|=i=9;i--;)x.fillRect(400+i*100+S(t)*300,400,50,200)}

Jan 24 2019 5:19 AM UTC

}// 120/140

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#default

u/f8f82804

#clever
u/bekfast2390

not cool dude it is the deafault!!!!!!!!!
u/katkip

Yeah but it's a function
u/sigveseb

Lol

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mxfh

remix of d/2442 by u/mxfh

function u(t) {

c.width|=b=50
h=S(t)
for(e=6.283;e>0;x.lineTo(d*C(e-=.01)+h*(C(e)+T(e/3+t/T(e)))+960,d*S(e+S(t)/9)-h+540))d=420
x.fill("evenodd")

Jan 22 2019 11:44 PM UTC

}// 129/140

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u/Xen

NICE! :-)
u/katkip

Haha
u/magna

#glitch
u/mxfh

this one doesn’t even need the fillrule. Was just looking into other cycloids and Lissajous figures, only to end up with a circle.

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katkip

function u(t) {

f=(X,Y,s)=>{if(s>6)x.fillStyle=R(C(t+s)*256),x.fillRect(X-s/2,Y,s,s),f(X-s,Y,s/2),f(X,Y-s*t,s/2),f(X+s,Y,s/2),f(X,Y+s/t,s/2)};f(960,540,750)

Jan 19 2019 5:53 PM UTC

}// 140/140

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Hell #satan. #red #recursive #recursion. I still love god and hate satan

u/metamero

i loved this

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metamero

remix of d/11640 by u/metamero

function u(t) {

i=frame%32 
j=(frame-i)/32
a=Math.random(onclick=reset)>.5?9:129
i%2^j%2&&x.fillRect(60*i-(a>9?60:0),60*j-(a>9?0:60),a,a>9?9:129)

Jan 4 2019 11:07 PM UTC

}// 129/140

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yet another #maze (same idea as classic but twisted implementation)

u/katkip

guess you can't make it solvable

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yonatan

remix of d/11642 by u/yonatan

function u(t) {

for(i=c.width|=0;i--;x.fillRect(S(a=i+t)*r+960,i/2,C(a)>0&&C(a)*r/2,19))s=i<1500,r=s?i/3:99,x.fillStyle=`hsl(${s*88} 33%${i%S(i)*77}%`

Jan 4 2019 8:36 PM UTC

}// 134/140

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u/13thptr

:0
u/lionleaf

Now that's a nice #tree . And you've got a full year to decorate it for christmas :)
u/katkip

*o*
u/iverjo

Stunning!
u/joeytwiddle

#christmas #xmas
u/vain

x.call3DEngine('tree') XD

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ellisk1

function u(t) {

r=t?r:Array(n=1250).fill(n);for(j=n;j-=2;x.fillRect(r[j]+=d*S(a=j%2**(t|0)+t+d),r[j-1]+=C(a)-2,w,w))x.fillStyle=R(w=j/n*200/t,d=3+(t>8)*t*t)

Jan 1 2019 9:48 PM UTC

}// 140/140

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Bonsai

u/katkip

finally something awesome
u/lionleaf

That's amazing! #bonsai #tree #organic #plant
u/DataMeta

Wow
u/hollo47

Impossible.

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keithclark

function u(t) {

for(x.fillRect(x.globalAlpha=.2,q=t%2,2e3,2e3),i=125;i--;x.clearRect(S(t|1)*760+S(i)*v+960,(q*q/2-C(i))*v+380,l=6-q*3,l))v=q*200-S(i*.2)*i*q

Dec 31 2018 9:44 PM UTC

}// 140/140

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New Year Fireworks

Show more comments…
u/13thptr

elegant :)
u/keithclark

change S(i*.2)*i*q for S(i*t>>4)*i*q for varying firework effects (2 chars over the limit tho)
u/katkip

haha i like the variation
u/JWinslow23

If q will only ever be 0 or 1 (t%2), couldn't this just be for(x.fillRect(x.globalAlpha=.2,q=t%2,2e3,2e3),i=125;i--;x.clearRect(S(t|1)*760+S(i)*v+960,(q/2-C(i))*v+380,l=6-q*3,l))v=q*200-S(i*.2)*i*q? That way, the variation also works.
u/keithclark

I opted for what I had because it held the initial shape in the sky for longer before gravity takes hold. Your version works and if you're happy to trade off the initial shape, you could also drop the \2 and save another 2 chars
u/keithclark

... also q can be any value between 0 and 1
u/JWinslow23

Ah, my mistake, I forgot about floats
u/lionleaf

Nice one! #nye #fireworks
u/iverjo

Beautiful!
u/vain

3... 2... 1... ignition... beautiful firework

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rodrigo.siqueira

remix of d/11566 by u/ellisk1

function u(t) {

with(x)for(m=q=t*30|0;m-->q-90;fill(arc(960+(r=m**.2*60*S(m))*S(a=m**4),540+r*C(a),w*3,0,9)))beginPath(fillStyle=R((w=q-m)*2,0,0,1/w**1.48))

Dec 28 2018 6:18 PM UTC

}// 140/140

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Mutating blood cell on microscope

u/aleamb

great! #cell
u/rodrigo.siqueira

#blood #coronavirus #growth

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ellisk1

function u(t) {

for(k=c.width|=n=960;k--;x.fillRect(n+(y/3+40)*C(a),y,7,99))j=k%n,a=j/62+((j/192|0)+(k>n))*3.2,x.fillStyle=R(b=S(a)*255,-b/2),y=(a+t*5)*30%n

Dec 25 2018 11:41 AM UTC

}// 140/140

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Ribbon Christmas Tree

u/rodrigo.siqueira

#christmas #tree

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