Add seeded super saw init

Author: gridbugs

modules/Cargo.toml

@@ -1,6 +1,6 @@
 [package]
 name = "caw_modules"
-version = "0.3.0"
+version = "0.3.1"
 description = "Collection of synthesizer modules for the caw synthesizer framework"
 authors = ["Stephen Sherratt <[email protected]>"]
 license = "MIT"

modules/src/super_saw.rs

@@ -7,6 +7,7 @@ use wide::f32x8;
 #[derive(Debug, Clone, Copy)]
 pub enum SuperSawInit {
     Random,
+    RandomWithSeed(u64),
     Const(f32),
 }
 
@@ -124,6 +125,13 @@ where
                     *x *= mask;
                 }
             }
+            SuperSawInit::RandomWithSeed(seed) => {
+                let mut rng = StdRng::seed_from_u64(seed);
+                for (x, mask) in state_01.iter_mut().zip(mask.iter()) {
+                    *x = rng.gen::<[f32; 8]>().into();
+                    *x *= mask;
+                }
+            }
         }
         Sig(Self {
             freq_hz,