From cc6d1b973002b4d366bc81ec6bf9e8240ad7b404 Mon Sep 17 00:00:00 2001 From: Crozet Sébastien Date: Mon, 14 Dec 2020 15:51:43 +0100 Subject: Outsource the Shape trait, wquadtree, and shape types. --- src/dynamics/mass_properties_ball.rs | 30 ------------------------------ 1 file changed, 30 deletions(-) delete mode 100644 src/dynamics/mass_properties_ball.rs (limited to 'src/dynamics/mass_properties_ball.rs') diff --git a/src/dynamics/mass_properties_ball.rs b/src/dynamics/mass_properties_ball.rs deleted file mode 100644 index ac5790a..0000000 --- a/src/dynamics/mass_properties_ball.rs +++ /dev/null @@ -1,30 +0,0 @@ -use crate::dynamics::MassProperties; -#[cfg(feature = "dim3")] -use crate::math::Vector; -use crate::math::{Point, PrincipalAngularInertia}; - -impl MassProperties { - pub(crate) fn ball_volume_unit_angular_inertia( - radius: f32, - ) -> (f32, PrincipalAngularInertia) { - #[cfg(feature = "dim2")] - { - let volume = std::f32::consts::PI * radius * radius; - let i = radius * radius / 2.0; - (volume, i) - } - #[cfg(feature = "dim3")] - { - let volume = std::f32::consts::PI * radius * radius * radius * 4.0 / 3.0; - let i = radius * radius * 2.0 / 5.0; - - (volume, Vector::repeat(i)) - } - } - - pub(crate) fn from_ball(density: f32, radius: f32) -> Self { - let (vol, unit_i) = Self::ball_volume_unit_angular_inertia(radius); - let mass = vol * density; - Self::new(Point::origin(), mass, unit_i * mass) - } -} -- cgit