BBD2/visualizer.php at master · neutonfoo/BBD2 · GitHub

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<?php

$visualizer = $_POST['visualizer'];
$bbd_song = json_decode(base64_decode($_POST['bbd_song']), true);
$tracks = $bbd_song['tracks'];

$notes = ['A0', 'A#0', 'B0', 'C1', 'C#1', 'D1', 'D#1', 'E1', 'F1', 'F#1', 'G1', 'G#1', 'A1', 'A#1', 'B1', 'C2', 'C#2', 'D2', 'D#2', 'E2', 'F2', 'F#2', 'G2', 'G#2', 'A2', 'A#2', 'B2', 'C3', 'C#3', 'D3', 'D#3', 'E3', 'F3', 'F#3', 'G3', 'G#3', 'A3', 'A#3', 'B3', 'C4', 'C#4', 'D4', 'D#4', 'E4', 'F4', 'F#4', 'G4', 'G#4', 'A4', 'A#4', 'B4', 'C5', 'C#5', 'D5', 'D#5', 'E5', 'F5', 'F#5', 'G5', 'G#5', 'A5', 'A#5', 'B5', 'C6', 'C#6', 'D6', 'D#6', 'E6', 'F6', 'F#6', 'G6', 'G#6', 'A6', 'A#6', 'B6', 'C7', 'C#7', 'D7', 'D#7', 'E7', 'F7', 'F#7', 'G7', 'G#7', 'A7', 'A#7', 'B7', 'C8'];

function clean_note($note)
{
	return str_replace('#', 's', $note);
}

function scaled_notes($factor)
{
	global $notes;

	$scaled_notes = [];

	for ($note_index = 0; $note_index < count($notes); $note_index += $factor) {
		$scaled_notes[] = $notes[$note_index];
	}

	return $scaled_notes;
}

if ($visualizer == 'original') {
	require('visualizers/original.php');
} else if ($visualizer == 'tracks') {
	require('visualizers/tracks.php');
} else if ($visualizer == 'graffiti') {
	require('visualizers/graffiti.php');
} else if ($visualizer == 'grid') {
	require('visualizers/grid.php');
} else if ($visualizer == 'grid-small') {
	require('visualizers/grid-small.php');
} else if ($visualizer == 'lights') {
	require('visualizers/lights.php');
} else if ($visualizer == 'bongo-cat') {
	require('visualizers/bongo-cat.php');
}