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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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jpthinker

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  • Bytebeat Visualizer: Forty-Two Melody
  • u/jpthinker
    //Assumes 8-bit bitdepth r=8e3//Sample rate (hertz/sec) l=8//Number of lines/seconds to display //d is divisor to shorten lines when over 4 for(i=r*l,d=1+((i-1)/32e3|0);i--;x.fillRect(i%r/r*c.width,(((i/r|0)+1)*256-(m)%256)/d,9,9)){ m=i*(42&i>>10)//<-Music algo here! x.fillStyle=hsl(${(i>>7)*99} 99 50)}
  • u/jpthinker
    I made a #static visualizer to help me with bytebeats. This is a sample displaying 8 seconds of the famous forty-two melody: t*(42&t>>10). I posted it here incase anyone might find it useful...

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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)