Dweets awesomed by u/pythech

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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DataMeta

remix of d/5615 by u/jonathan_b

function u(t) {

p=Math.PI;for(s=i=1024;--i;)k=T(C(t-i*.5)),x.fillStyle=R(s*S(k+i),i/4,i*k/2),x.fillRect(s+s*C(i)*C(k+S(t)),s/2+s/2*S(i-t/p),36,96)

Jun 9 2018 3:34 AM UTC

}// 130/140

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firegodjr

remix of d/3512 by u/New_Core

function u(t) {

v=c.width=400
for(i=40;i--;x.globalAlpha=i/40,x.fillRect(v/2-i*5+S(i+t*8)*30/i,-9-i*4,b=x.shadowBlur=i*10,b))x.shadowColor="#fff"

Jun 8 2018 9:17 PM UTC

}// 129/140

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Enter the forbidden stairway? (Y/N)

u/Xen

Y

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Xen

function u(t) {

for(c.width|=i=1e3;i--;x.rotate(C(i-t/9)))x.fillRect(Z=i+S(i-t/2)*2e3,-Z*5,4-C(i-t*3)*3,9e4)

Jun 8 2018 7:04 PM UTC

}// 92/140

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u/loni_art

my eyes are confused

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robbyg

function u(t) {

t||(X=[...Array(50).keys()],Y=[...X]);for(i=50;i--;)h=X[i],x.fillRect(X[i]=950+(S(1*Y[i])-C(2*h))*440,Y[i]=550+(S(3*h)-C(4*Y[i]))*230,5,5)

Jun 8 2018 5:53 PM UTC

}// 138/140

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Peter de Jong attractor. Changing the 1, 2, 3, 4 multipliers in the sine/cosine functions changes the shape.

u/robbyg

#attractor
u/rodrigo.siqueira

Robbyg, here is a smaller version with higher resolution. Same equation, no need to create array: t||(h=X=Y=0);for(i=950;i--;) X=950+(S(1*Y)-C(2*h))*440, Y=550+(S(3*h)-C(4*Y))*230, h=X,x.fillRect(X,Y,1,1)

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Xen

function u(t) {

//for(i=999;i--;x.fillRect(X=9e2+S(i+t*T(t))*i,Y=5e2+C(i+t*T(t))*i,99,99),x.strokeRect(X,Y,99,99))x.fillStyle=`hsl(${i-t*1e3*C(t)},50%,50%)`

Jun 8 2018 5:41 PM UTC

}// 140/140

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Photosensitive Warning!! remove // to view at own risk.

u/iverjo

:O
u/DataMeta

my brain is rather amused, my eyeballs are like 'u wot m8'

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DataMeta

function u(t) {

c.width=1920;g=1.618;for(i=0;i<27;i++){for(j=0;j<15;j++){x.fillStyle=R(i*8+j*8,0,255-j*8);x.fillRect(i*71,j*71,68*S(t*g-j),68*S(t*g-i))}}

Jun 7 2018 9:32 PM UTC

}// 137/140

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joeytwiddle

remix of d/8475 by u/pythech

function u(t) {

with(x)for(i=23;i--;t>2?fillText("debian",760,980):fillRect((r=70+180*t)*S(m=8*t**.5+t*i%1)+1e3,C(m)*r+390,i,i))fillStyle='#d15',font="9em'"

Jun 7 2018 6:14 PM UTC

}// 140/140

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u/aleamb

awesome, joeytwiddle
u/aleamb

#logo
u/joeytwiddle

This was mostly pythech, I just made it messier!
u/joeytwiddle

My favourite version (over limit): t=t**0.5;with(x)for(i=30;i--;t>2?fillText("debian",670,1e3):fillRect((r=70+80*t*t)*S(m=5.6*t+i/80+t*i%1)*.9+1e3,C(m)*r+390,9,9))fillStyle='#d15',font="14em'"
u/BirdsTweetCodersDweet

That one works if you remove the fillStyle ¯\_(ツ)_/¯.
u/pythech

awesome, this was what I was trying to do :D

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pythech

remix of d/8490 by u/pythech

function u(t) {

x.beginPath()
x.fillStyle=R()
c.width|=0
for(i=1e2;--i;) {
x.arc(C(i**(-i)-t)*400+900,C(i)*400+500,19,0,9)
}
x.fill()

Jun 7 2018 5:06 PM UTC

}// 117/140

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u/iverjo

#flag
u/S.T.L.K.R.

#oha

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pythech

function u(t) {

x.beginPath()
x.fillStyle=R()
c.width|=0
for(i=1e2;--i;) {
x.arc(S(i%Math.PI+t)*400+900,C(i+t)*400+500,19,0,9)
}
x.fill()

Jun 7 2018 5:02 PM UTC

}// 121/140

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magna

function u(t) {

t||(d=c.cloneNode()).getContext('2d').fillText('🐱',0,15)
T.valueOf=Math.random
s=55
x.drawImage(d,X=T*20,Y=T*20,T,T,X*s+580,Y*s,s*T,s*T)

Jun 7 2018 3:04 AM UTC

}// 137/140

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A three-way adversarial deep neural network learning to draw a cat.

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u/DataMeta

this is clever af
u/BirdsTweetCodersDweet

How is it a neural network? You're just drawing random squares on a cat emoji :P
u/pythech

whoosh
u/magna

Yeah, sorry, it was a bad joke. Just transferring random rectangles from an off-screen canvas. The only catch is the use of valueOf to cut down on the function call ()s.
u/iverjo

Clever indeed!
u/rodrigo.siqueira

#neural
u/katkip

#ai

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