Dweets awesomed by u/DataMeta

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.

Try the new frontend: beta.dwitter.net
Current theme challenge: #Food

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DirtyDan

remix of d/7586 by u/New_Core

function u(t) {

Z=Math.random
x.shadowColor=R(x.shadowBlur=a=128)
x.fillStyle=R(g=Z()*a+a*2,425-g)
x.beginPath(x.fill())
x.arc(Z()*2e3,Z()*1e3,Z()*a+50,0,7)

Apr 6 2018 1:29 AM UTC

}// 140/140

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Orange :D

u/magna

Pretty! :D
u/sigveseb

<333
u/diceroll123

O R A N G

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prplz

remix of d/7550 by u/prplz

function u(t) {

for(let q,Y,X=120;X--;)for(Y=60;Y--;x.fillRect(X*16,Y*16,16,16))q=X**2+Y**2,x.fillStyle=R(S(q*50+t*8)*255,S(q*25+t*16)*255,S(t)*99+99)

Apr 4 2018 2:39 AM UTC

}// 134/140

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AnnanFay

remix of d/7492 by u/AnnanFay

function u(t) {

c.width|=0
P.push(1+P[2*(1<<Math.log2(f++))-f])
x.fill(new Path2D('M960,540'+P.map(v=>'hv'[v&1]+'-| '[v&2]).join(s=60/t**.5)+s))}{P=[f=1]

Mar 27 2018 9:42 PM UTC

}// 137/140

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Dragon Curve - filled version

u/Xen

love it!
u/joeytwiddle

novel presentation!
u/katkip

#julia #fractal
u/donbright

now thats a good way to draw a dragon

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prplz

function u(t) {

x.fillStyle=`hsl(${t*=66},50%,50%)`
for(X=120;X--;)for(Y=60;Y--;)((X-60)**2+(Y-30)**2+t)**.45%1>.95&&x.fillRect(X*16,Y*16,16,16)

Mar 25 2018 10:04 AM UTC

}// 128/140

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New_Core

remix of d/7433 by u/New_Core

function u(t) {

for(i=209;i--;x.fillRect(-1,30,40,20))x.setTransform(k=20*C(b=i/7+t),l=20*S(b),1,1,i*9,550),x.fillStyle=`hsla(${i*4},99%,50%,.1)`

Mar 23 2018 9:42 PM UTC

}// 129/140

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#colorshock

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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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fujimotos

function u(t) {

for(c.width=i=640;i--;){
z=Math.max(Math.min(-t+i/5,0),-1)
x.setTransform(C(z),-S(z),S(z),C(z),400+40*i+-200*t,250)
x.fillRect(0,0,-25,-80)}

Mar 22 2018 1:57 PM UTC

}// 140/140

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u/lionleaf

https://youtu.be/9hPIobthvHg?t=206
u/fujimotos

Maybe we can add coloring to domino tiles. It'd be a lot cooler.
u/jylikangas

for(c.width=i=250;i--;x.fillStyle=R(i%3*99))x.fillRect(0,0,6,-49,h=(H=i/9-t)<0&&H,x.setTransform(K=C(z=h>-1?h:-1),-S(z),S(z),K,99*(H+2),99))
u/jylikangas

Needs a bit more golfing to get different colors
u/BirdsTweetCodersDweet

d/7466 and d/7467 for some interesting phenomena
u/joeytwiddle

#dominoes
u/micahcowan

#default
u/katkip

#infinite

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alien

remix of d/7375 by u/alien

function u(t) {

w=c.width=401,h=w/2
for(i=w;i--;)x.moveTo(h,h/2),X=C(i/h)*90,Y=h/2+h/(i-t%1),x.lineTo(h*X+i,h*2),x.moveTo(0,Y),x.lineTo(w,Y)
x.stroke()

Mar 18 2018 3:58 PM UTC

}// 136/140

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Final version thanks for the advice joey

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jylikangas

function u(t) {

for(X=c.width=450;X--;x[f](X%50*5+t%23*9,0,3,X))x[f='fillRect'](X-X%5*25,99+S(X*5)*5-(h=9*S(X%64/16))+(X>>6)*25%50,1,h*2)&x[f](X*2,50+h,9,1)

Mar 17 2018 8:47 AM UTC

}// 140/140

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Scanimation Fish

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u/Lynext

Genius!
u/magna

If some technique exists, there's a dweet version of it.
u/sigveseb

this is so impressive :)
u/sigveseb

https://www.youtube.com/watch?v=LCIsIfEOEI8 some more inspiration for other dweets perhaps!
u/iverjo

#fish
u/aleamb

#scanimation
u/pythech

blew my brains out
u/rep_movsd

#illusion
u/rep_movsd

#underrated
u/vain

this blow me away! How...? O.o

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AnnanFay

remix of d/672 by u/aemkei

function u(t) {

c.width=873
b=[a=t&&b]
for(i=2e4;i--;x.fillRect(i%97*9,i/9,9,(b[i]=(i>4e3)*i%2|3==d|a[i]&2==d)*9))for(d=0,j=-99;j=j<0?j&3?~j:1:-j;)d+=a[i+j]

Mar 17 2018 3:00 AM UTC

}// 140/140

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High resolution Game of Life with a constant ground layer. It will eventually start cycling. To increase FPS swap 2e4->6e3. To hide the ground swap 4e3->5e3.

u/Jezza

Incredible!
u/zanella

I'm scared of AnnanFay. Seriously.
u/joeytwiddle

#gameoflife

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