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](https://godotengine.org/asset-library/asset/3284).
+download it from the asset library.
 
-or clone the repository, and run `rust/package-release.sh` to build the libraries for all supported targets.
+or clone the repository (git lfs is needed) and copy over the `addons` folder into your project root.
-(requires [cross](https://github.com/cross-rs/cross))
+check the examples for more info.
 
 ## development
 

rust/.gitignore

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

rust/build-debug.sh

@@ -1,10 +0,0 @@
-#!/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

@@ -1,15 +1,11 @@
 #!/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
 
-cd ..
+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
 
-cp -f rust/target/x86_64-unknown-linux-gnu/release/libboids.so addons/boids/lib/boids.x86.so
+zip -r ../../boids-release.zip ../addons ../examples ../README.md ../LICENSE.txt
-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();
-        self.vel = self.vel.clamp_length_max(self.props.max_speed);
+        let new_vel = self.vel.clamp_length_max(self.props.max_speed);
-        let force_to_apply = Vector2::new(self.vel.x, self.vel.y);
+        self.vel = new_vel;
-        self.base_mut().translate(force_to_apply);
+        self.base_mut().translate(Vector2::new(new_vel.x, new_vel.y));
     }
 
     #[inline(always)]

rust/src/boid/boid_3d.rs

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