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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,127 @@ | ||
| use std::time::Duration; | ||
|
|
||
| use anyhow::Result; | ||
| #[allow(unused)] | ||
| use knyst::{ | ||
| audio_backend::{CpalBackend, CpalBackendOptions, JackBackend}, | ||
| controller::print_error_handler, | ||
| envelope::Envelope, | ||
| handles::{graph_output, handle, Handle}, | ||
| modal_interface::knyst_commands, | ||
| prelude::{delay::static_sample_delay, *}, | ||
| sphere::{KnystSphere, SphereSettings}, | ||
| }; | ||
| use knyst::{ | ||
| envelope::envelope_gen, | ||
| gen::filter::svf::{svf_dynamic, svf_filter, SvfFilterType}, | ||
| }; | ||
| use rand::{thread_rng, Rng}; | ||
| fn main() -> Result<()> { | ||
| let mut backend = CpalBackend::new(CpalBackendOptions::default())?; | ||
| // let mut backend = JackBackend::new("Knyst<3JACK")?; | ||
| let _sphere = KnystSphere::start( | ||
| &mut backend, | ||
| SphereSettings { | ||
| num_inputs: 1, | ||
| num_outputs: 1, | ||
| ..Default::default() | ||
| }, | ||
| print_error_handler, | ||
| ); | ||
|
|
||
| let mut rng = thread_rng(); | ||
| // loop { | ||
| // let freq = rng.gen_range(100.0..1000.0); | ||
| // let length = rng.gen_range(0.5..4.0); | ||
| // dbg!(freq, length); | ||
| // spawn_filtered_noise(freq, length); | ||
| // std::thread::sleep(Duration::from_secs_f32(length)); | ||
| // } | ||
| loop { | ||
| let mut chord = [1.0, 5. / 4., 3. / 2., 17. / 8., 7. / 4.]; | ||
| let freq = rng.gen_range(100.0..200.0); | ||
| for f in &mut chord { | ||
| *f *= freq; | ||
| } | ||
| changed_harmony_chord(&chord); | ||
|
|
||
| std::thread::sleep(Duration::from_secs_f32(10.)); | ||
| } | ||
|
|
||
| // graph_output(0, white_noise()); | ||
|
|
||
| // graph_output(0, (sine(wt).freq(200.)).repeat_outputs(1)); | ||
|
|
||
| // Wait for ENTER | ||
| println!("Press ENTER to exit"); | ||
| let mut input = String::new(); | ||
| std::io::stdin().read_line(&mut input)?; | ||
| Ok(()) | ||
| } | ||
|
|
||
| fn spawn_filtered_noise(freq: f32, length: f32) { | ||
| let mut rng = thread_rng(); | ||
| let filtered_noise = upload_graph(knyst_commands().default_graph_settings(), || { | ||
| let env = envelope_gen( | ||
| 0.0, | ||
| vec![ | ||
| (1.0, rng.gen_range(0.7..1.9)), | ||
| (0.5, length * 0.34), | ||
| (0.0, length * 0.66), | ||
| ], | ||
| knyst::envelope::SustainMode::NoSustain, | ||
| StopAction::FreeGraph, | ||
| ); | ||
| let source = pink_noise(); | ||
| let sig = svf_filter( | ||
| SvfFilterType::Band, | ||
| freq, | ||
| rng.gen_range(2000.0..10000.), | ||
| 0.0, | ||
| ) | ||
| .input(source); | ||
| let sig = sig * env * 0.01; | ||
| graph_output(0, sig.channels(2)); | ||
| }); | ||
| graph_output(0, filtered_noise); | ||
| } | ||
|
|
||
| fn changed_harmony_chord(new_chord: &[f32]) { | ||
| let mut rng = thread_rng(); | ||
| if rng.gen::<f32>() > 0.4 { | ||
| for f in new_chord { | ||
| let length = rng.gen_range(6.0..14.0); | ||
| let speaker = rng.gen_range(0..4); | ||
| let filtered_noise = upload_graph(knyst_commands().default_graph_settings(), || { | ||
| let env = envelope_gen( | ||
| 0.0, | ||
| vec![(1.0, 3.), (1.0, length - 5.), (0.0, 2.)], | ||
| knyst::envelope::SustainMode::NoSustain, | ||
| StopAction::FreeGraph, | ||
| ); | ||
| let source = white_noise(); | ||
| let mut sigs = vec![]; | ||
| for i in 0..5 { | ||
| let freq_detune = [1.0, 1.001, 0.999, 1.002, 0.998][i]; | ||
| let q_env = envelope_gen( | ||
| 1.0 / rng.gen_range(0.001..0.008), | ||
| vec![(1. / 0.0003, length)], | ||
| knyst::envelope::SustainMode::NoSustain, | ||
| StopAction::Continue, | ||
| ); | ||
|
|
||
| let sig = svf_dynamic(SvfFilterType::Band) | ||
| .cutoff_freq(f * freq_detune) | ||
| .q(q_env) | ||
| .gain(0.0) | ||
| .input(source); | ||
| sigs.push(sig); | ||
| } | ||
| let sig = sigs[0] + sigs[1] + sigs[2] + sigs[3] + sigs[4]; | ||
| let sig = sig * env * 0.01; | ||
| graph_output(speaker, sig); | ||
| }); | ||
| graph_output(0, filtered_noise); | ||
| } | ||
| } | ||
| } |
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