New #worm dweets

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

} // 112/140

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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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BackendForth

function u(t) {

c.width=1920
for(i=0;i<1720;i+=16){x.beginPath()
s=t%8*39+i/9-222
x.arc(i,99+i/3+99*S(i/99+t/9),i/9*(1+Math.pow(1.01,-s*s)),0,7)
x.stroke()}

Jan 4, 2018 3:14 PM

}// 140/140

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u/joeytwiddle

Gulp!
u/Xen

snake done gone eaten!
u/iverjo

4 characters shorter: c.width+=0;for(i=0;i<1720;i+=16)x.beginPath(),s=t%8*39+i/9-222,x.arc(i,99+i/3+99*S(i/99+t/9),i/9*(1+Math.pow(1.01,-s*s)),0,7),x.stroke()
u/codeslaw

Reminds me of my first dweet! d/2083
u/joeytwiddle

#worm

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New_Core

function u(t) {

x.fillStyle=`hsl(${t*30},99%,50%)`
x.fillRect(960+500*S(4+t),560+400*S((4+t)*.8),7,7)
x.clearRect(960+500*S(t)-1,560+400*S(t*.8)-1,9,9)

Oct 19, 2017 5:19 PM

}// 135/140

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u/magna

Cool trick!
u/13thptr

#worm

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veubeke

function u(t) {

c.width^=o=0;for(i=30;i--;x.stroke())P=Math.PI,$=S(t%P),_=C(i/5)*$,x.beginPath(o+=3-$+_),x.ellipse(o*4+t*60-300,(21+_-S(t%P))*50,9,30,0,0,7)

Mar 6, 2017 5:39 PM

}// 140/140

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Inspired by https://www.dwitter.net/d/1829

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p01

function u(t) {

for(c.width|=i=48;i--;x.fillText(['🐸','🌷','☁️️'][k],64*S(k?i:i/9-t),i*3*C(k||i/7-t)))x.setTransform(j=((k=i>>4)*t+48-i)%16,0,0,j,960,540)

Mar 5, 2017 3:53 PM

}// 137/140

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** SPACE HARRIER **

Show more comments…
u/iverjo

LOL, nice :D
u/lienthealien

D: it's incredible. I still don't fully understand whats going on the begginning of the for.
u/p01

Thanks! Touching the width ( or height ) of a canvas resets it. c.width|=i=48; ⇒ Sets i to 48. Does a binary OR of 48 on the width of the canvas and resets ( it mostly clears it ) the canvas
u/sfz

redrawing the canvas and initializing i, nice!
u/lienthealien

p01 are you a wizard?? :v
u/donbright

doesnt seem to like firefox/ubuntu
u/iverjo

Hmm, why can one not do '🐸🌷☁️️'[k]? Is it simply because they are not single-byte characters?
u/p01

@iverjo: Exactly. Although I should have used [...'🐸🌷☁️️'][k] to save 3 bytes
u/andres

emojis exist on two planes of universes
u/AstonC

Phenomenal
u/joeytwiddle

#dragon #worm #game #tribute
u/joeytwiddle

#hiddengem
u/f8f82804

#emoji
u/stephsmith

#smokedweeteveryday
u/geb

#background

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iverjo

remix of d/1791 by u/Run

function u(t) {

t*=4;c.width*=1;for(i=0;i<1550;i++)x.fillRect(X=i+S(t+i)*300,400+200*C(t+i)+200*S(X/300+t),50,50),x.fillStyle=`hsl(${X/7+t*90},80%,50%)`

Mar 2, 2017 10:53 PM

}// 136/140

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u/donbright

the happiest sandworm on dune
u/iverjo

#worm
u/iverjo

#colors #rainbow
u/iverjo

#sine

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iverjo

function u(t) {

c.width=2e3;n=900;for(i=9;i++<n;)p=t+i/99,s=3/(9.1-p%9),x.beginPath(),x.lineWidth=s*s,x.arc(n+99*S(p),300*s,49*s*S(i/159),i,i+1),x.stroke()

Jul 2, 2016 12:54 AM

}// 139/140

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u/lionleaf

What a snek!
u/lionleaf

very snek!
u/iverjo

#worm #snake

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iverjo

function u(t) {

k=260;c.width=2e3;for(i=9;i++<5*k;)p=t+i/k+i%8*5,s=3/(10-p%9),x.beginPath(),x.arc(99*S(p)+i%8*k,550*s,49*s*S(i/k),i,i+7),x.stroke()

Jan 8, 2016 1:21 AM

}// 131/140

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#snake #worm

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