Dweets awesomed by u/zanella

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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firegodjr

function u(t) {

t?0:x.fillRect(0,0,2e3,2e3)
for(i=26;i--;)
x.fillStyle=R(f=S(i+t)*255,f,f),
x.fillRect(i*100-C(t)*300-300,0,50,2)
x.drawImage(c,0,1)

Jun 11 2018 4:33 PM UTC

}// 132/140

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Liquid Steel

u/Xen

nice style

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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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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.

Show more comments…
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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firegodjr

function u(t) {

r=Math.random
for(i=y=2e3;i--;)X=r()*y,Y=r()*y/2,x.fillStyle=R(f=(S(X/240-.8)*T(X/120+(X>960?t:-t))+S(Y/200-1))*128,f,f),x.fillRect(X,Y,9,9)

Jun 6 2018 5:02 PM UTC

}// 140/140

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Tangent waves

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veubeke

remix of d/8399 by u/veubeke

function u(t) {

d=new Date%2
for(H=a=60;a--;)for(b=H;b--;x.fillRect(a+t*60%32*H,y,2,2))y=(d?H-a:a)/2+b+(t*60>>5)*30-H,x.fillStyle=R(255-y/5,b&&(d+3)*60-b)

Jun 5 2018 9:04 PM UTC

}// 138/140

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Show more comments…
u/Xen

Love it!
u/yokljo

new Date%2 is incredible
u/lionleaf

Amazing! #maze
u/pythech

dope
u/magna

Veubeke strikes again.
u/katkip

A-maze-ing
u/katkip

#d3

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veubeke

function u(t) {

r=Math.random
for(a=2e3;a--;x.fillRect(a,b,9,9))_=r(b=r()*960)*200>Math.hypot(a-960,b-400)-99,x.fillStyle=R(s=(_?7:r()+2)*40,s,220+_*r()*20)

Jun 5 2018 12:11 PM UTC

}// 140/140

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u/joeytwiddle

#sun in #sky or possibly reflected in #water aka #sea aka #ocean
u/aleamb

amazing!

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joeytwiddle

remix of d/8414 by u/joeytwiddle

function u(t) {

for(c.width|=0,i=3500;i--;x.beginPath())x.globalAlpha=.03,x.arc(S(i**.5-t*9)*i*i/1e4+960,C(i**.5-t*9)*i*i/1e4+540,i**2/8e4+2,0,7),x.fill()

Jun 5 2018 9:59 AM UTC

}// 138/140

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Soft shaded spiral

u/joeytwiddle

This is what I was going for, but it's kinda boring
u/zanella

No boring at all, I think it's the best spiral I've seen here. :)
u/joeytwiddle

tx zanella :) Derived from d/8393 by firegodjr and BirdsTweet
u/iverjo

#shading #spiral
u/iverjo

This has to be one of the best spirals I've seen on Dwitter

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joeytwiddle

remix of d/8393 by u/firegodjr

function u(t) {

for(c.width|=0,i=4e3;i--;x.beginPath())x.globalAlpha=.03,x.arc(S(t*6+i*i/99)*i*i/1e4+960,C(t*6+i/99)*i*i/1e4+540,i/30+2,0,7),x.fill()

Jun 5 2018 9:45 AM UTC

}// 133/140

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Soft spiral happy accident 1

u/hollo47

I'm experiencing some Rorschach thing, that's a dog's face!
u/joeytwiddle

It's curious how a small bug in the spiral code seems to have produced some straight lines

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veubeke

function u(t) {

s=t&15
T=t>>4
for(i=2;i--;x.fillRect((t%16+s-T%2*2+i)*72,y*9-20,2,50))_=t%2*3,y=T*4+(i?s%2*2:C(_)+1)*2,x.fillStyle=R($=S(!i*_)*20+200-y,$,$)

Jun 4 2018 10:39 PM UTC

}// 140/140

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u/magna

Neat!
u/aleamb

cool
u/iverjo

Nice! 3D #hexagons #perspective #shading
u/iverjo

#slow_render

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