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Refactor cohesion() to use center_of_boids()

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I made the center_of_boids() and velocity_of_boids() functions so that
they can be reused in the debug overlay operations. I should probably
use them in the main system, too.
This commit is contained in:
Robert Garrett
2024-07-11 15:40:51 -05:00
parent e38df137a8
commit d2a9d1214a
1 changed files with 4 additions and 8 deletions
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12
src/birdoids_plugin.rs
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@@ -194,14 +194,10 @@ fn cohesion(
transform.translation.xy(), transform.translation.xy(),
BOID_VIEW_RANGE BOID_VIEW_RANGE
); );
if neighbors.len() > 0 { if let Some(center_mass) = center_of_boids(
let center_of_mass = neighbors.iter() neighbors.iter().map(|boid| boid.0 )
.map(|(pos, _)| pos.extend(0.0) ) ) {
.fold(transform.translation, |acc, neighbor| { let towards = (center_mass.extend(0.0) - transform.translation).normalize();
acc + neighbor
}) / (neighbors.len()) as f32;
let towards = (center_of_mass - transform.translation).normalize();
acceleration.0 += towards * COHESION_FACTOR; acceleration.0 += towards * COHESION_FACTOR;
} }
} }