refactor: minor code refactor so it looks slightly better

README.md

@@ -9,10 +9,10 @@ it can handle about 2000 boids in a single flock at 11ms physics process tick on
 
 ## usage
 
-download it from the asset library.
+download it from the [asset library](https://godotengine.org/asset-library/asset/3284).
 
-or clone the repository (git lfs is needed) and copy over the `addons` folder into your project root.
-check the examples for more info.
+or clone the repository, and run `rust/package-release.sh` to build the libraries for all supported targets.
+(requires [cross](https://github.com/cross-rs/cross))
 
 ## development
 

rust/.gitignore

@@ -0,0 +1 @@
+/.vscode

rust/build-debug.sh

@@ -0,0 +1,10 @@
+#!/bin/sh
+
+set -x
+
+cargo build
+
+cd ..
+
+cp -f rust/target/debug/libboids.so addons/boids/lib/boids.x86.so
+cp -f rust/target/debug/boids.dll addons/boids/lib/boids.x86.dll

rust/package-release.sh

@@ -1,11 +1,15 @@
 #!/bin/sh
 
+set -x
+
 cross build --release --target x86_64-unknown-linux-gnu
 cross build --release --target x86_64-pc-windows-gnu
 cross +nightly build -Zbuild-std --release --target wasm32-unknown-emscripten
 
-cp -f target/x86_64-unknown-linux-gnu/release/libboids.so ../addons/boids/lib/boids.x86.so
-cp -f target/x86_64-pc-windows-gnu/release/boids.dll ../addons/boids/lib/boids.x86.dll
-cp -f target/wasm32-unknown-emscripten/release/boids.wasm ../addons/boids/lib/boids.wasm
+cd ..
 
-zip -r ../../boids-release.zip ../addons ../examples ../README.md ../LICENSE.txt
+cp -f rust/target/x86_64-unknown-linux-gnu/release/libboids.so addons/boids/lib/boids.x86.so
+cp -f rust/target/x86_64-pc-windows-gnu/release/boids.dll addons/boids/lib/boids.x86.dll
+cp -f rust/target/wasm32-unknown-emscripten/release/boids.wasm addons/boids/lib/boids.wasm
+
+zip -r ../boids-release.zip addons examples README.md LICENSE.txt

rust/src/boid/boid_2d.rs

@@ -83,9 +83,9 @@ impl Boid for Boid2D {
     #[inline(always)]
     fn apply_force(&mut self, force: Vec3) {
         self.vel += force.xy();
-        let new_vel = self.vel.clamp_length_max(self.props.max_speed);
-        self.vel = new_vel;
-        self.base_mut().translate(Vector2::new(new_vel.x, new_vel.y));
+        self.vel = self.vel.clamp_length_max(self.props.max_speed);
+        let force_to_apply = Vector2::new(self.vel.x, self.vel.y);
+        self.base_mut().translate(force_to_apply);
     }
 
     #[inline(always)]

rust/src/boid/boid_3d.rs

@@ -82,10 +82,9 @@ impl Boid for Boid3D {
     #[inline(always)]
     fn apply_force(&mut self, force: Vec3) {
         self.vel += force;
-        let new_vel = self.vel.clamp_length_max(self.props.max_speed);
-        self.vel = new_vel;
-        self.base_mut()
-            .translate(Vector3::new(new_vel.x, new_vel.y, new_vel.z));
+        self.vel = self.vel.clamp_length_max(self.props.max_speed);
+        let force_to_apply = Vector3::new(self.vel.x, self.vel.y, self.vel.z);
+        self.base_mut().translate(force_to_apply);
     }
 
     #[inline(always)]

rust/src/boid_properties.rs

@@ -28,4 +28,4 @@ pub struct BoidProperties {
     #[init(val = 0.8)]
     /// How much to follow a flock target (if there is one).
     pub targeting: f32,
-}
+}

rust/src/flock_properties.rs

@@ -16,4 +16,4 @@ pub struct FlockProperties {
     #[init(val = 2500.0)]
     /// Distance (squared) to apply cohesion force between boids in a flock.
     pub goal_cohesion: f32,
-}
+}