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Diffstat (limited to 'src/dynamics/mass_properties_cuboid.rs')
| -rw-r--r-- | src/dynamics/mass_properties_cuboid.rs | 33 |
1 files changed, 0 insertions, 33 deletions
diff --git a/src/dynamics/mass_properties_cuboid.rs b/src/dynamics/mass_properties_cuboid.rs deleted file mode 100644 index 2d870cf..0000000 --- a/src/dynamics/mass_properties_cuboid.rs +++ /dev/null @@ -1,33 +0,0 @@ -use crate::dynamics::MassProperties; -use crate::math::{Point, PrincipalAngularInertia, Vector}; - -impl MassProperties { - pub(crate) fn cuboid_volume_unit_inertia( - half_extents: Vector<f32>, - ) -> (f32, PrincipalAngularInertia<f32>) { - #[cfg(feature = "dim2")] - { - let volume = half_extents.x * half_extents.y * 4.0; - let ix = (half_extents.x * half_extents.x) / 3.0; - let iy = (half_extents.y * half_extents.y) / 3.0; - - (volume, ix + iy) - } - - #[cfg(feature = "dim3")] - { - let volume = half_extents.x * half_extents.y * half_extents.z * 8.0; - let ix = (half_extents.x * half_extents.x) / 3.0; - let iy = (half_extents.y * half_extents.y) / 3.0; - let iz = (half_extents.z * half_extents.z) / 3.0; - - (volume, Vector::new(iy + iz, ix + iz, ix + iy)) - } - } - - pub(crate) fn from_cuboid(density: f32, half_extents: Vector<f32>) -> Self { - let (vol, unit_i) = Self::cuboid_volume_unit_inertia(half_extents); - let mass = vol * density; - Self::new(Point::origin(), mass, unit_i * mass) - } -} |
