Tetris! pitch and rhythm a bit off to f… by corruptio

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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corruptio

remix of d/9491 by u/Xen

function u(t) {

t?o.frequency.value=99/.95**'9945775422599754457799552'[t*6&31]:o=(a=new AudioContext).createOscillator(),o.connect(a.destination),o.start()

Sep 5 2018 12:10 PM UTC

}// 140/140

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Tetris! pitch and rhythm a bit off to fit into 140...

Show more comments…
u/corruptio

t?o.frequency.value=300*1.06**'994577542225997544457799552'[t*6&31]:o=(a=new AudioContext).createOscillator(),o.connect(a.destination),o.start() is 4 bytes over but sounds better.
u/joeytwiddle

Excellent! #audio #music For anyone who wants the sound to stop, just scroll down to the next dweet then hit Reload.
u/joeytwiddle

It sounds good enough with 200 instead of 99 but +1 over
u/alien

is there anyway to stop this!!! ?
u/katkip

InvalidStateError: Failed to execute 'start' on 'AudioScheduledSourceNode': cannot call start more than once.
u/384.cz

#tetris


      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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