Dweets awesomed by u/OwnageIsMagic

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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aemkei

function u(t) {

t||(W=c.width=600);i=W;for(x.fillRect(0,0,W,W);i--;x.fillText(unescape("%u30B"+C%9),i*9,C=~~(t*9+i**3)*12%W))x.fillStyle=R(0,i&&W,0,i?1:.05)

Mar 19 2017 8:18 PM UTC

}// 140/140

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Welcome to the Matrix!

u/iverjo

#matrix
u/danny@hille.dk

More speed longer trails !t?W=c.width=600:i=W;for(x.fillRect(0,0,W,W);i--;x.fillText(unescape("%u30B"+C%9),i*9,C=~~(t*15+i**3)*11%W))x.fillStyle=R(0,i&&W,0,i?1:.03)
u/vain

Beautiful looking remake of the matrix fx

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sebbert

function u(t) {

c.width=999;for(a=b=z=0,w=140;z<400;z+=.1)a=S(a*2.4-t)*S(t*2)+C(a+b+t)+C(z*2.34+t),b=C(z*1.56),x.fillRect(a*w+500,b*w+w+w,2,2)

Mar 4 2017 12:59 AM UTC

}// 126/140

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Show more comments…
u/donbright

woah!
u/SpecialAgent

Energize!
u/FireFly

This one is really cool o.o
u/FireFly

I would love an explanation or pointer about the maths going on here… in particular I don't understand why the 1.56 constant for the b= is so sensitive. It looks like an approximation of π/2, but all of π/2, 1.57 and 1.5 behave vastly differently/more chaotically. So what's the relationship between these numbers/how is 1.56 derived?
u/tapgiles

What the... @.@ Looks so detailed!
u/joeytwiddle

Some other constants with similar behaviour: 1.17, 2.34, 3.12, 3.51, 3.90, 4.68, 6.24
u/joeytwiddle

And a few with different behaviour: 3.08, 6.05 (!), 6.35

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3bl3gamer

function u(t) {

c.width=256;for(i=9<<12;a=i&255,b=i>>8,m=a-128,n=b-72,i--;)l=m*m+n*n,(l<7e3?(((m/n+128+t*2)%2)^(b/n%2)):(l>8e3)^(n<0))&&x.fillRect(a,b,1,1)

Jul 20 2016 10:11 PM UTC

}// 139/140

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u/iverjo

Mindblowing O.O
u/sigveseb

so good!
u/sigveseb

I tried adding fog http://dweet.dwitter.net/id/280?autoplay=1
u/joeytwiddle

#perspective #raytrace #scene
u/lionleaf

d/280

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