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[velociter] implement repetition

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annieversary 2021-09-18 17:45:17 +02:00
parent bdddffe119
commit bdd8f43ac3
1 changed files with 32 additions and 15 deletions
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47
crates/velociter/src/lib.rs
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@ -13,6 +13,9 @@ baseplug::model! {
#[model(min = 0.0, max = 127.9)]
#[parameter(name = "max_vel")]
max_vel: f32,
#[model(min = 0.0, max = 10.)]
#[parameter(name = "repetition")]
repetition: f32,
}
}
@ -21,12 +24,15 @@ impl Default for VelociterModel {
Self {
min_vel: 0.0,
max_vel: 127.9,
repetition: 0.0,
}
}
}
struct Velociter {
notes: Vec<[u8; 3]>,
last_val: u8,
counter: u8,
}
impl Plugin for Velociter {
@ -43,6 +49,8 @@ impl Plugin for Velociter {
fn new(_sample_rate: f32, _model: &VelociterModel) -> Self {
Self {
notes: Vec::with_capacity(300),
last_val: 0,
counter: u8::MAX,
}
}
@ -55,23 +63,32 @@ impl Plugin for Velociter {
use rand::{thread_rng, Rng};
let mut rng = thread_rng();
let min = model.min_vel[0];
let max = model.max_vel[0];
// make sure they're right
let (min, max) = (min.min(max), max.max(min));
for mut note in self.notes.drain(0..) {
let val = if model.repetition[0] < self.counter as f32 {
self.counter = 0;
rng.gen_range(min..max).trunc() as u8
} else {
self.counter += 1;
self.last_val
};
self.last_val = val;
note[2] = val;
let note = Event::<Velociter> {
frame: 0,
data: Data::Midi(note),
};
enqueue_midi(note);
}
for i in 0..ctx.nframes {
output[0][i] = input[0][i];
output[1][i] = input[1][i];
let min = model.min_vel[i];
let max = model.max_vel[i];
// make sure they're right
let (min, max) = (min.min(max), max.max(min));
for mut note in self.notes.drain(0..) {
note[2] = rng.gen_range(min..max).trunc() as u8;
let note = Event::<Velociter> {
frame: 0,
data: Data::Midi(note),
};
enqueue_midi(note);
}
}
}
}
@ -81,4 +98,4 @@ impl MidiReceiver for Velociter {
}
}
baseplug::vst2!(Velociter, b"tAnE");
baseplug::vst2!(Velociter, b"iter");