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-rw-r--r--src/dynamics/mass_properties_capsule.rs23
1 files changed, 1 insertions, 22 deletions
diff --git a/src/dynamics/mass_properties_capsule.rs b/src/dynamics/mass_properties_capsule.rs
index 5f08958..3b1b214 100644
--- a/src/dynamics/mass_properties_capsule.rs
+++ b/src/dynamics/mass_properties_capsule.rs
@@ -1,30 +1,9 @@
use crate::dynamics::MassProperties;
#[cfg(feature = "dim3")]
use crate::geometry::Capsule;
-use crate::math::{Point, PrincipalAngularInertia, Vector};
+use crate::math::Point;
impl MassProperties {
- fn cylinder_y_volume_unit_inertia(
- half_height: f32,
- radius: f32,
- ) -> (f32, PrincipalAngularInertia<f32>) {
- #[cfg(feature = "dim2")]
- {
- Self::cuboid_volume_unit_inertia(Vector::new(radius, half_height))
- }
-
- #[cfg(feature = "dim3")]
- {
- let volume = half_height * radius * radius * std::f32::consts::PI * 2.0;
- let sq_radius = radius * radius;
- let sq_height = half_height * half_height * 4.0;
- let off_principal = (sq_radius * 3.0 + sq_height) / 12.0;
-
- let inertia = Vector::new(off_principal, sq_radius / 2.0, off_principal);
- (volume, inertia)
- }
- }
-
pub(crate) fn from_capsule(density: f32, a: Point<f32>, b: Point<f32>, radius: f32) -> Self {
let half_height = (b - a).norm() / 2.0;
let (cyl_vol, cyl_unit_i) = Self::cylinder_y_volume_unit_inertia(half_height, radius);