quantum_entangler/
pattern.rs

1use rand::{thread_rng, Rng};
2
3use crate::midi;
4
5pub fn new(properties: &str, note: &mut midi::perform::Note, buffer: &mut std::sync::MutexGuard<std::vec::Vec<midi::time::MidiBuffer>>) {
6
7  let props: Vec<&str> = properties.split("|").collect();
8  let note_values: Vec<usize> = props[1].split(",").map(|x| x.parse::<usize>().unwrap()).collect();
9  match props[0] {
10    "random" => parse(note_values, note, random, buffer),
11    _ => parse(note_values, note, random, buffer)
12  }
13}
14
15fn random(buffer_length: usize) -> usize {
16  let mut rng = thread_rng();
17  let index = rng.gen_range(1..buffer_length - 1);
18  if index % 2 == 0 {
19    return index - 1
20  }
21  index
22}
23
24fn parse(note_values: Vec<usize>, note: &mut midi::perform::Note, note_selector: fn(buffer_length: usize) -> usize, buffer: &mut std::sync::MutexGuard<std::vec::Vec<midi::time::MidiBuffer>>) {
25  for note_value in note_values {
26    // Test match, build time::NoteMap instead
27    // 120 BPM => beat = 500000
28    let duration;
29    match note_value {
30      1 => duration = 2000000,
31      2 => duration = 1000000,
32      3 => duration = 666666,
33      4 => duration = 500000,
34      5 => duration = 400000,
35      6 => duration = 333333,
36      7 => duration = 285714,
37      8 => duration = 250000,
38      9 => duration = 222222,
39      _ => duration = 500000,
40    }
41    note.new(note_selector(buffer.len()), duration as u64, buffer);
42  }
43}
quantum_entangler/pattern.rs

quantum_entangler/
pattern.rs
