d/2408 by mxfh | Dwitter

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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mxfh

remix of d/2376 by u/magna

function u(t) {

for(i=半=480;i--;x.arc(2*半+i*C(T=t-r*.1),540+i*S(T),i?3+r*7:2e3,0,6))x.beginPath(x.fillStyle=R(60,i?半:9,r=Math.random(x.fill())<8e-5,.1+r*i))

Apr 3 2017 1:38 PM UTC

}// 140/140

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u/donbright

bravo :)
u/sfz

very nice!
u/zanella

Didn't know yours when I did mine (https://www.dwitter.net/d/6216), but yours is waaaay better than mine - I tried to do the dots in the radar and couldn't figure it out. :) BTW, kudos for using the "space" inside the x.beginPath call, great idea!
u/iverjo

#radar
u/mxfh

#blur #arc


      u(t) is called 60 times per second.
      t: elapsed time in seconds.
      c: A 1920x1080 canvas.
      x: A 2D context for that canvas.
      S: Math.sin
      C: Math.cos
      T: Math.tan
      R: Generates rgba-strings, ex.: R(255, 255, 255, 0.5)

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