Use FunDSP crate for beepboops

Cargo.lock

@@ -778,12 +778,37 @@ version = "0.3.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "3dcaa9ae7725d12cdb85b3ad99a434db70b468c09ded17e012d86b5c1010f7a7"
 
+[[package]]
+name = "fundsp"
+version = "0.1.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "e44dcde4aedad5675c131b5114d431b4d7c739dc32dd599bf0460f36413d247e"
+dependencies = [
+ "generic-array",
+ "lazy_static",
+ "num-complex",
+ "numeric-array",
+ "rsor",
+ "rustfft",
+ "tinyvec",
+]
+
 [[package]]
 name = "futures"
 version = "0.1.31"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "3a471a38ef8ed83cd6e40aa59c1ffe17db6855c18e3604d9c4ed8c08ebc28678"
 
+[[package]]
+name = "generic-array"
+version = "0.14.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "fd48d33ec7f05fbfa152300fdad764757cbded343c1aa1cff2fbaf4134851803"
+dependencies = [
+ "typenum",
+ "version_check",
+]
+
 [[package]]
 name = "getrandom"
 version = "0.2.3"
@@ -1024,11 +1049,11 @@ version = "0.1.0"
 dependencies = [
  "bracket-lib",
  "cpal",
+ "fundsp",
  "oddio",
- "rand",
  "specs",
  "specs-derive",
- "spin_sleep",
+ "typenum",
  "winres",
 ]
 
@@ -1413,6 +1438,15 @@ dependencies = [
  "winapi 0.3.9",
 ]
 
+[[package]]
+name = "num-complex"
+version = "0.4.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "26873667bbbb7c5182d4a37c1add32cdf09f841af72da53318fdb81543c15085"
+dependencies = [
+ "num-traits",
+]
+
 [[package]]
 name = "num-derive"
 version = "0.3.3"
@@ -1520,6 +1554,16 @@ dependencies = [
  "syn",
 ]
 
+[[package]]
+name = "numeric-array"
+version = "0.5.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "2c59a9b227913a685ed84aa0de5ded58274e8bcfa55760faae07bc82aee64ccf"
+dependencies = [
+ "generic-array",
+ "num-traits",
+]
+
 [[package]]
 name = "objc"
 version = "0.2.7"
@@ -1650,10 +1694,13 @@ dependencies = [
 ]
 
 [[package]]
-name = "ppv-lite86"
+name = "primal-check"
-version = "0.2.15"
+version = "0.3.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "ed0cfbc8191465bed66e1718596ee0b0b35d5ee1f41c5df2189d0fe8bde535ba"
+checksum = "01419cee72c1a1ca944554e23d83e483e1bccf378753344e881de28b5487511d"
+dependencies = [
+ "num-integer",
+]
 
 [[package]]
 name = "proc-macro-crate"
@@ -1698,19 +1745,6 @@ version = "0.8.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "2e7573632e6454cf6b99d7aac4ccca54be06da05aca2ef7423d22d27d4d4bcd8"
 dependencies = [
- "libc",
- "rand_chacha",
- "rand_core",
- "rand_hc",
-]
-
-[[package]]
-name = "rand_chacha"
-version = "0.3.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "e6c10a63a0fa32252be49d21e7709d4d4baf8d231c2dbce1eaa8141b9b127d88"
-dependencies = [
- "ppv-lite86",
  "rand_core",
 ]
 
@@ -1719,18 +1753,6 @@ name = "rand_core"
 version = "0.6.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "d34f1408f55294453790c48b2f1ebbb1c5b4b7563eb1f418bcfcfdbb06ebb4e7"
-dependencies = [
- "getrandom",
-]
-
-[[package]]
-name = "rand_hc"
-version = "0.3.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d51e9f596de227fda2ea6c84607f5558e196eeaf43c986b724ba4fb8fdf497e7"
-dependencies = [
- "rand_core",
-]
 
 [[package]]
 name = "rand_xorshift"
@@ -1786,12 +1808,32 @@ version = "0.6.25"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "f497285884f3fcff424ffc933e56d7cbca511def0c9831a7f9b5f6153e3cc89b"
 
+[[package]]
+name = "rsor"
+version = "0.1.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "4b57e3964dc31a38416366d2e8f7675755402a10832d5cf4e4112d66ac77cdda"
+
 [[package]]
 name = "rustc-hash"
 version = "1.1.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "08d43f7aa6b08d49f382cde6a7982047c3426db949b1424bc4b7ec9ae12c6ce2"
 
+[[package]]
+name = "rustfft"
+version = "6.0.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "b1d089e5c57521629a59f5f39bca7434849ff89bd6873b521afe389c1c602543"
+dependencies = [
+ "num-complex",
+ "num-integer",
+ "num-traits",
+ "primal-check",
+ "strength_reduce",
+ "transpose",
+]
+
 [[package]]
 name = "rusttype"
 version = "0.9.2"
@@ -1961,6 +2003,12 @@ version = "0.1.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "ef5430c8e36b713e13b48a9f709cc21e046723fe44ce34587b73a830203b533e"
 
+[[package]]
+name = "strength_reduce"
+version = "0.2.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "a3ff2f71c82567c565ba4b3009a9350a96a7269eaa4001ebedae926230bc2254"
+
 [[package]]
 name = "strsim"
 version = "0.9.3"
@@ -1998,6 +2046,21 @@ dependencies = [
  "syn",
 ]
 
+[[package]]
+name = "tinyvec"
+version = "1.5.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "2c1c1d5a42b6245520c249549ec267180beaffcc0615401ac8e31853d4b6d8d2"
+dependencies = [
+ "tinyvec_macros",
+]
+
+[[package]]
+name = "tinyvec_macros"
+version = "0.1.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "cda74da7e1a664f795bb1f8a87ec406fb89a02522cf6e50620d016add6dbbf5c"
+
 [[package]]
 name = "tokio-executor"
 version = "0.1.10"
@@ -2029,6 +2092,16 @@ dependencies = [
  "serde",
 ]
 
+[[package]]
+name = "transpose"
+version = "0.2.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "95f9c900aa98b6ea43aee227fd680550cdec726526aab8ac801549eadb25e39f"
+dependencies = [
+ "num-integer",
+ "strength_reduce",
+]
+
 [[package]]
 name = "ttf-parser"
 version = "0.6.2"
@@ -2050,6 +2123,12 @@ dependencies = [
  "nom 5.1.2",
 ]
 
+[[package]]
+name = "typenum"
+version = "1.15.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "dcf81ac59edc17cc8697ff311e8f5ef2d99fcbd9817b34cec66f90b6c3dfd987"
+
 [[package]]
 name = "ultraviolet"
 version = "0.8.1"

Cargo.toml

@@ -11,8 +11,8 @@ specs = { version = "0.16.1", default-features = false }
 specs-derive = "0.4.1"
 cpal = "0.13"
 oddio = "0.5"
-rand = "0.8"
+fundsp = "0.1.0"
-spin_sleep = "1.0"
+typenum = "1.15.0"
 
 [target.'cfg(windows)'.build-dependencies]
 winres = "0.1"

src/resources/sound_effects.rs

@@ -5,12 +5,15 @@ use bracket_lib::random::RandomNumberGenerator;
 use crate::resources::sound_output::{SoundOutput, SoundSamples};
 
 type Frequency = u32;
+type StartFrequency = u32;
+type EndFrequency = u32;
 type MinFrequency = u32;
 type MaxFrequency = u32;
 
 pub enum SoundType {
     Silence,
     Tone(Frequency),
+    Sweep(StartFrequency, EndFrequency),
     Noise(MinFrequency, MaxFrequency),
 }
 
@@ -38,13 +41,10 @@ impl SoundEffects {
     pub fn new(ss: &SoundOutput) -> Self {
         Self {
             startup: ss.render_sound_effect(&SoundEffect {
-                sounds: (30..400)
+                sounds: vec![Sound {
-                    .step_by(8)
+                    sound_type: SoundType::Sweep(1, 350),
-                    .map(|x| Sound {
+                    duration: Duration::from_secs(1),
-                        sound_type: SoundType::Tone(x),
+                }],
-                        duration: Duration::from_millis(24),
-                    })
-                    .collect(),
             }),
             step: ss.render_sound_effect(&SoundEffect {
                 sounds: vec![
@@ -80,8 +80,8 @@ impl SoundEffects {
             }),
             bad_key: ss.render_sound_effect(&SoundEffect {
                 sounds: iter::once(Sound {
-                    sound_type: SoundType::Tone(400),
+                    sound_type: SoundType::Tone(540),
-                    duration: Duration::from_millis(20),
+                    duration: Duration::from_millis(40),
                 })
                 .chain((0..4).flat_map(|_| {
                     array::IntoIter::new([

src/resources/sound_output.rs

@@ -1,11 +1,11 @@
-use std::{f32::consts::PI, sync::Arc};
+use std::sync::Arc;
 
 use cpal::{
     traits::{DeviceTrait, HostTrait, StreamTrait},
     SampleRate, Stream,
 };
+use fundsp::prelude::*;
 use oddio::{Frames, FramesSignal, Gain, Handle, Mixer, MonoToStereo, Stop};
-use rand::Rng;
 
 use super::sound_effects::{SoundEffect, SoundType};
 
@@ -70,43 +70,30 @@ impl SoundOutput {
                     .map(|_| 0f32)
                     .collect::<Vec<f32>>(),
                 SoundType::Tone(freq) => {
-                    if freq == 0 {
+                    let mut c = square_hz(freq as f32);
-                        return (0..(self.sample_rate.0 as f32 * sound.duration.as_secs_f32())
+                    c.reset(Some(self.sample_rate.0 as f64));
-                            as usize)
-                            .map(|_| 0f32)
-                            .collect::<Vec<f32>>();
-                    }
-                    let num_harmonics = self.sample_rate.0 / (freq as u32 * 2);
-                    let coefficients = (0..=num_harmonics)
-                        .map(|i| {
-                            if i == 0 {
-                                return 0.0;
-                            }
-                            (i as f32 * 0.5 * PI).sin() * 2.0 / (i as f32 * PI)
-                        })
-                        .collect::<Vec<f32>>();
-                    let scaler = freq as f32 * PI * 2.0 / self.sample_rate.0 as f32;
                     (0..(self.sample_rate.0 as f32 * sound.duration.as_secs_f32()) as usize)
-                        .map(|i| {
+                        .map(|_| c.get_mono())
-                            let temp = scaler * i as f32;
+                        .collect::<Vec<f32>>()
-                            coefficients
+                }
-                                .iter()
+                SoundType::Sweep(start_freq, end_freq) => {
-                                .enumerate()
+                    let mut c = lfo(|t| {
-                                .map(|(j, coef)| coef * (j as f32 * temp).cos())
+                        lerp(
-                                .sum::<f32>()
+                            start_freq as f32,
-                        })
+                            end_freq as f32,
+                            t * sound.duration.as_secs_f32(),
+                        )
+                    }) >> square();
+                    c.reset(Some(self.sample_rate.0 as f64));
+                    (0..(self.sample_rate.0 as f32 * sound.duration.as_secs_f32()) as usize)
+                        .map(|_| c.get_mono())
                         .collect::<Vec<f32>>()
                 }
                 SoundType::Noise(min, max) => {
+                    let mut c =
+                        (((white() + dc(1.0)) * dc(max as f32 / 2.0)) + dc(min as f32)) >> square();
                     (0..(self.sample_rate.0 as f32 * sound.duration.as_secs_f32()) as usize)
-                        .map(|i| {
+                        .map(|_| c.get_mono())
-                            let t = i as f32 / self.sample_rate.0 as f32;
-                            (t * (rand::thread_rng().gen_range(min as f32..max as f32))
-                                * 2.0
-                                * std::f32::consts::PI)
-                                .sin()
-                                .signum()
-                        })
                         .collect::<Vec<f32>>()
                 }
             })
@@ -120,7 +107,7 @@ impl SoundOutput {
             .control::<oddio::Mixer<_>, _>()
             .play(oddio::MonoToStereo::new(oddio::Gain::new(
                 oddio::FramesSignal::from(samples),
-                0.20,
+                0.50,
             )))
     }
 }