diff options
Diffstat (limited to 'klangfarbrs/src')
| -rw-r--r-- | klangfarbrs/src/instrument.rs | 5 | ||||
| -rw-r--r-- | klangfarbrs/src/lib.rs | 85 |
2 files changed, 55 insertions, 35 deletions
diff --git a/klangfarbrs/src/instrument.rs b/klangfarbrs/src/instrument.rs index bf08fe4..6fc797b 100644 --- a/klangfarbrs/src/instrument.rs +++ b/klangfarbrs/src/instrument.rs @@ -2,6 +2,7 @@ use super::{ Partial, Sample, Hz, SamplesPerSecond }; pub struct Instrument { pub partials: Vec<Partial>, + pub complete: bool, } impl Instrument { @@ -9,7 +10,8 @@ impl Instrument { Self { partials: partial_multipliers.iter() .map(|&p| Partial::new(1.0, 1.0, p, 0.0, sample_rate, 2000, base_freq)) - .collect() + .collect(), + complete: false, } } @@ -32,6 +34,7 @@ impl Iterator for Instrument { .map(|i| i.unwrap()).collect(); if filtered.is_empty() { + self.complete = true; None } else { Some(filtered.iter().sum()) diff --git a/klangfarbrs/src/lib.rs b/klangfarbrs/src/lib.rs index b0b9dc1..e60e7b3 100644 --- a/klangfarbrs/src/lib.rs +++ b/klangfarbrs/src/lib.rs @@ -41,11 +41,13 @@ type Millisecond = u32; #[derive(NativeClass)] #[inherit(Node)] pub struct MonoSynth { + pub osc: Osc, pub instrument: Instrument, pub sample_rate: SamplesPerSecond, pub frequency: Hz, pub apply_bend: bool, pub phasor_bend: Vector2, + pub play_instrument: bool, pub continuous: bool, pub duration: Millisecond, // ADSR amplifier @@ -75,15 +77,17 @@ impl MonoSynth { /// wave.square() # changes to a square wave /// ``` pub fn new(_owner: &Node) -> Self { - let freq = 440.0; + let freq = 220.0; let sprt = 48000.0; Self { - instrument: Instrument::new(freq, vec![1.0, 0.909], sprt), + osc: Osc::new(freq, sprt), + instrument: Instrument::new(freq, vec![0.56, 0.92, 1.19, 1.7, 2.0, 2.74, 3.0, 3.76, 4.07], sprt), sample_rate: sprt, frequency: freq, apply_bend: false, phasor_bend: Vector2::new(0.0, 0.0), + play_instrument: false, continuous: true, duration: 0, envelope: Envelope::new(30, 500, 0.5, 1000, sprt), @@ -104,41 +108,41 @@ impl MonoSynth { godot_print!("DAS IST KLANGFARBRS.") } - // #[export] - // fn sine(&mut self, _owner: &Node) { - // self.osc.waveform = Waveform::Sine - // } + #[export] + fn sine(&mut self, _owner: &Node) { + self.osc.waveform = Waveform::Sine + } - // #[export] - // fn square(&mut self, _owner: &Node) { - // self.osc.waveform = Waveform::Square - // } + #[export] + fn square(&mut self, _owner: &Node) { + self.osc.waveform = Waveform::Square + } - // #[export] - // fn triangle(&mut self, _owner: &Node) { - // self.osc.waveform = Waveform::Triangle - // } + #[export] + fn triangle(&mut self, _owner: &Node) { + self.osc.waveform = Waveform::Triangle + } - // #[export] - // fn sawtooth(&mut self, _owner: &Node) { - // self.osc.waveform = Waveform::Sawtooth - // } + #[export] + fn sawtooth(&mut self, _owner: &Node) { + self.osc.waveform = Waveform::Sawtooth + } - // #[export] - // fn white_noise(&mut self, _owner: &Node) { - // self.osc.waveform = Waveform::WhiteNoise - // } + #[export] + fn white_noise(&mut self, _owner: &Node) { + self.osc.waveform = Waveform::WhiteNoise + } - // #[export] - // fn brown_noise(&mut self, _owner: &Node) { - // self.osc.waveform = Waveform::BrownNoise - // } + #[export] + fn brown_noise(&mut self, _owner: &Node) { + self.osc.waveform = Waveform::BrownNoise + } - // #[export] - // fn frequency(&mut self, _owner: &Node, frequency: Hz) { - // self.frequency = frequency; - // self.osc.set_frequency(frequency) - // } + #[export] + fn frequency(&mut self, _owner: &Node, frequency: Hz) { + self.frequency = frequency; + self.osc.set_frequency(frequency) + } #[export] fn continuous(&mut self, _owner: &Node, state: bool) { @@ -146,6 +150,11 @@ impl MonoSynth { } #[export] + fn play_instrument(&mut self, _owner: &Node, state: bool) { + self.play_instrument = state; + } + + #[export] fn phasor_bend(&mut self, _owner: &Node, phasor_bend: Vector2) { self.phasor_bend = phasor_bend } @@ -206,7 +215,7 @@ impl MonoSynth { #[export] fn trigger(&mut self, _owner: &Node, ) { - () + self.envelope = Envelope::new(self.attack, self.decay, self.sustain, self.release, self.sample_rate); } #[export] @@ -221,8 +230,11 @@ impl MonoSynth { // self.osc.set_frequency(self.osc.get_frequency() + modulation_value); // } - let mut sample = self.instrument.sample(); - // self.osc.last_value = sample; + let mut sample = match self.play_instrument { + true => self.instrument.sample(), + false => self.osc.sample(), + }; + self.osc.last_value = sample; // TODO: // if self.apply_bend { @@ -238,6 +250,11 @@ impl MonoSynth { } } + // TODO: For now this enables the instrument to be played multiple times. Would like to find a cleaner way to do this. + if self.instrument.complete { + self.instrument = Instrument::new(self.frequency, vec![0.56, 0.92, 1.19, 1.7, 2.0, 2.74, 3.0, 3.76, 4.07], self.sample_rate) + } + frames.push(Vector2::new(sample, sample)); } |