Dweets awesomed by u/fons

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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yonatan

function u(t) {

for(i=j=c.width=198;i--;)for(X=i-99,Y=20;Y++<120;)h=S(X/Y*5)*S(Y/9-t*9),x.fillStyle=R(128-h*99),x.fillRect(i,(Y+h*29)*Y/j,Y/j,199)

Mar 9 2018 3:14 AM UTC

}// 130/140

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half-assed floor marcher

Show more comments…
u/joeytwiddle

looks very nice
u/aleamb

great!
u/magna

Looks like marching half-asses
u/yonatan

Good point! I'll pretend I was going for that
u/iverjo

Very nice!
u/joeytwiddle

#renderer #raytracing #raymarching

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New_Core

remix of d/3333 by u/New_Core

function u(t) {

b=960
for(c.width|=i=5;i--;x.lineTo(b+b*S(t)+Z*(d*C(a)),d+Z*d))d=99*C(t)+t%12*60,Z=b/(b-d*S(a=i*2.5132-9*S(t/4)))
x.fill()

Mar 8 2018 9:04 PM UTC

}// 122/140

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2 or 3 stars would been nicer...

u/Xen

Nice :-)
u/13thptr

#stars #d3

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Xen

remix of d/7216 by u/AnnanFay

function u(t) {

t?x.fillRect(0,0,w,w):w=c.width=406
for(z=99;z--;x.fillText(0|(Y=~~(t*(9+z**7.7%29)))**7%9,z*4,Y*9%w))x.fillStyle=R(0,0,z&&w,z||.05)

Mar 8 2018 9:00 PM UTC

}// 132/140

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Shoutz 2 u/AnnanFay

u/joeytwiddle

#matrix

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Xen

remix of d/7208 by u/BirdsTweetCodersDweet

function u(t) {

q=35;for(X=64;X--;)for(Y=32;Y--;x.fillRect(X*q,Y*q,q,q))x.fillStyle=`hsl(${t*q*C(Y-X*t)},70%,50%)`

Mar 8 2018 8:30 PM UTC

}// 98/140

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Shoutz 2 u/BirdsTweetCodersDweet

u/loni_art

ow ow ow my eyes
u/katkip

#xweet

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Agnes

function u(t) {

with(x)t?(font='64px A',drawImage(c,4,4,w-q,h-q),fillText("👻",e=(e+w+q*S(R=Math.random()*6.3))%w,y=(y+h+q*C(R))%h)):(e=y=q=8,w=1920,h=1080)

Mar 8 2018 1:45 PM UTC

}// 139/140

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This looks way cooler if q=32 but I couldn't figure out how to fit that while retaining good % behaviour at the edges.

u/fons

so nice colors

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AnnanFay

remix of d/7166 by u/AnnanFay

function u(t) {

t?0:w=c.width=576
x.fillRect(0,0,w,w)
for(z=67;z--;x.fillText(0|(Y=~~(t*(3+z**7.1%20)-37))**7.3%9,z*9,Y*9%w))x.fillStyle=R(0,z&&w,0,z||.03)

Mar 8 2018 8:54 AM UTC

}// 139/140

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Digital Rain v2

u/iverjo

Yes!
u/katkip

#matrix

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RelikLabs

function u(t) {

for(T(0,i=4e3,.06);r=--i**4.3;T(t**(i<9?9:i<30)*200+r,a=r%5*S(i+t)**2,51*a))T=(w,s,a)=>x.fillRect(w*2%2e3,w%1079,s,s,x.fillStyle=R(a,a,a,a))

Mar 2 2018 4:20 AM UTC

}// 140/140

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u/prplz

Copypaste of https://www.dwitter.net/d/7063
u/M1T0

You're right, bad manners.

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AnnanFay

remix of d/7082 by u/yonatan

function u(t) {

x.drawImage(c,t&3?0:960,t&1?0:540,960,540)
x.drawImage(I,480,270,960,540)
};{(I=new Image).src='//具.pw'

Mar 2 2018 12:49 AM UTC

}// 103/140

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!h6q: please link https://picsum.photos/1920/1080?random

u/AnnanFay

Change t&3 to t&4 if you want it to branch in all directions.
u/AnnanFay

*t&2

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Yogeshp3

function u(t) {

c.width=1920 // clear the canvas
for(i=0;i<9;i++)
x.fillRect((140*t+70*i)%1920,500+S(3*t)*300,40,50) // draw 50x200 rects

Mar 1 2018 10:29 PM UTC

}// 121/140

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dwardu

function u(t) {

r=n=>(Math.random()*n|0)*96
x.drawImage(c,r(19),r(10),192,192,r(20),r(11),w=96,w)
x.fillStyle=R(z=r(2)**2,z,z)
x.fillRect(r(20*9),r(11),w,w)

Mar 1 2018 8:03 PM UTC

}// 140/140

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Splits 1920px×1056px canvas into 20×11 grid of 96px×96px tiles. Once every 9 frames fills a random tile black or white. Every frame picks a random 2×2 group of tiles and draws it onto a random 1×1 tile at ½ the size.

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