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| author | Sébastien Crozet <developer@crozet.re> | 2021-01-29 14:42:32 +0100 |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2021-01-29 14:42:32 +0100 |
| commit | 7ca46f38cde6cf8bf8bf41ea6067ae5bc938205c (patch) | |
| tree | 3781b9d7c92a6a8111573ba4cae1c5d41435950e /src/dynamics/mass_properties_cuboid.rs | |
| parent | e6fc8f67faf3e37afe38d683cbd930d457f289be (diff) | |
| parent | 825f33efaec4ce6a8903751e836a0ea9c466ff92 (diff) | |
| download | rapier-7ca46f38cde6cf8bf8bf41ea6067ae5bc938205c.tar.gz rapier-7ca46f38cde6cf8bf8bf41ea6067ae5bc938205c.tar.bz2 rapier-7ca46f38cde6cf8bf8bf41ea6067ae5bc938205c.zip | |
Merge pull request #79 from dimforge/split_geom
Move most of the geometric code to another crate.
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) - } -} |
