irch/tracker-rs
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Added tempo and tick per row variables that convert into how long each note is for future playback control.

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This commit is contained in:
Irjan Olsen
2023-01-11 07:56:31 +01:00
parent 136d1a103c
commit 8dd99a5ead
2 changed files with 12 additions and 4 deletions
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4
src/main.rs
View File

@@ -12,6 +12,6 @@ use crate::tracker::Tracker;
fn main() { fn main() {
let mut tracker = Tracker::new(4, 64); let mut tracker = Tracker::new(4, 64);
tracker.load_file("./3266CHIP.MOD"); tracker.load_file("./3266CHIP.MOD");
tracker.play_sample(1, 8287.0); //tracker.play_sample(1, 8287.0);
//tracker.play(); tracker.play();
} }

12
src/tracker.rs
View File

@@ -41,12 +41,20 @@ impl Tracker {
sink.pause(); sink.pause();
} }
//let delay = 60.0/375.0;
let tpr = 8.0;
let tempo = 125.0;
let delay = tpr*2.5/tempo;
let lines = self.patterns[0][0].len(); let lines = self.patterns[0][0].len();
println!("Playing {} lines", lines); println!("Playing {} lines", lines);
for &position in &self.positions { for &position in &self.positions {
let pattern = &self.patterns[position as usize]; let pattern = &self.patterns[position as usize];
for line in 0..lines { for line in 0..lines {
for (track, notes) in pattern.iter().enumerate() { for (track, notes) in pattern.iter().enumerate() {
/*if track != 3 {
continue;
}*/
let note = notes[line].as_ref(); let note = notes[line].as_ref();
if note.is_some() { if note.is_some() {
//println!("Playing note: {}", note.as_ref().unwrap()); //println!("Playing note: {}", note.as_ref().unwrap());
@@ -56,14 +64,14 @@ impl Tracker {
self.samples[sample as usize].set_sample_rate(frequency); self.samples[sample as usize].set_sample_rate(frequency);
self.sinks[track].append( self.sinks[track].append(
self.samples[sample as usize].clone() self.samples[sample as usize].clone()
.take_duration(Duration::from_secs_f64(60.0/375.0)) .take_duration(Duration::from_secs_f64(delay))
.amplify(0.20) .amplify(0.20)
) )
} else { } else {
//println!("Playing note: ---"); //println!("Playing note: ---");
self.sinks[track].append( self.sinks[track].append(
SineWave::new(0.0) SineWave::new(0.0)
.take_duration(Duration::from_secs_f64(60.0/375.0)) .take_duration(Duration::from_secs_f64(delay))
.amplify(0.20) .amplify(0.20)
) )
} }