serguzim/rhythm
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add: shortest note modifier

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Signed-off-by: Tobias Reisinger <tobias@msrg.cc>
This commit is contained in:
Tobias Reisinger 2020-03-06 00:28:43 +01:00
parent 9d53b7f498
commit 421bcef330
6 changed files with 59 additions and 14 deletions

14
index.php
View file

@ -14,6 +14,7 @@ $id = $_GET["id"];
$tempo = $_GET["tempo"];
$time = $_GET["time"];
$bars = intval($_GET["bars"]);
$shortest_note = intval($_GET["shortest_note"]);
$dynamic_beat = $_GET["dynamic_beat"];
$dynamic_rhythm = $_GET["dynamic_rhythm"];
@ -24,14 +25,14 @@ $bars_count = 0;
$rhythm_length = 0;
$time_explode = explode("/", $time, 2);
$rhythm_length_max = MAX_FRACTION * (intval($time_explode[0]) / intval($time_explode[1]));
$rhythm_length_max = $shortest_note * (intval($time_explode[0]) / intval($time_explode[1]));
$id_hashed = md5($id);
do {
$notes_input = [];
for($i = 0; $i < strlen($id_hashed); $i+=2)
{
$notes_input[] = strval(pow(2, (ord(substr($id_hashed, $i)) % intval(log(MAX_FRACTION, 2))) + 1));
$notes_input[] = strval(pow(2, (ord(substr($id_hashed, $i)) % intval(log($shortest_note, 2))) + 1));
$notes_modifiers[] = ord(substr($id_hashed, $i + 1));
}
for($i = 0; $i < count($notes_input); $i++)
@ -41,15 +42,15 @@ do {
continue;
}
$note_val = intval($notes_input[$i]);
if(($note_val == 0) || ($note_val > MAX_FRACTION) || (!is_valid_note($note_val)))
if(($note_val == 0) || ($note_val > $shortest_note) || (!is_valid_note($note_val)))
{
continue;
}
if($rhythm_length + (MAX_FRACTION / $note_val) > $rhythm_length_max)
if($rhythm_length + ($shortest_note / $note_val) > $rhythm_length_max)
{
continue;
}
$rhythm_length += MAX_FRACTION / $note_val;
$rhythm_length += $shortest_note / $note_val;
if($notes_modifiers[$i] & 0b0111)
{
@ -102,9 +103,10 @@ echo(render(
"time" => $time,
"tempo" => $tempo,
"bars" => $bars,
"file_name" => $file_name,
"shortest_note" => $shortest_note,
"dynamic_beat" => $dynamic_beat,
"dynamic_rhythm" => $dynamic_rhythm,
"file_name" => $file_name,
)
));