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Fix: Return Force instead of Vec2

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This commit is contained in:
Robert Garrett
2024-07-15 10:04:41 -05:00
parent 930aa2e75d
commit 6c38083e6d
1 changed files with 3 additions and 3 deletions
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6
src/birdoids_plugin.rs
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@@ -198,7 +198,7 @@ fn cohesion(
let neighbors = spatial_tree.within_distance(transform.translation.xy(), BOID_VIEW_RANGE);
if let Some(center_mass) = center_of_boids(neighbors.iter().map(|boid| boid.0)) {
let force = cohesive_force(center_mass, transform.translation.xy());
acceleration.0 += force.extend(0.0) * COHESION_FACTOR;
acceleration.0 += *force * COHESION_FACTOR;
}
}
}
@@ -298,7 +298,7 @@ fn average_of_vec2s(points: impl Iterator<Item = Vec2>) -> Option<Vec2> {
}
// f(x) = 4((x-0.5)^3 + 0.125)
fn cohesive_force(boid: Vec2, target: Vec2) -> Vec2 {
fn cohesive_force(boid: Vec2, target: Vec2) -> Force {
let deviation = target - boid;
/*
Scale deviation vector by the boid's view range. The curve is made to
@@ -307,5 +307,5 @@ fn cohesive_force(boid: Vec2, target: Vec2) -> Vec2 {
let scaled = deviation / BOID_VIEW_RANGE;
let half_one = Vec2::ONE / 2.0;
let cube = (scaled - half_one).powf(3.0);
return (cube + 0.125) * 4.0;
Force(((cube + 0.125) * 4.0).extend(0.0))
}