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-rw-r--r--src/dynamics/rigid_body.rs14
1 files changed, 10 insertions, 4 deletions
diff --git a/src/dynamics/rigid_body.rs b/src/dynamics/rigid_body.rs
index f9ea519..78132b2 100644
--- a/src/dynamics/rigid_body.rs
+++ b/src/dynamics/rigid_body.rs
@@ -940,19 +940,25 @@ impl RigidBody {
}
/// Retrieves the constant force(s) that the user has added to the body.
+ ///
+ /// Returns zero if the rigid-body isn’t dynamic.
pub fn user_force(&self) -> Vector<Real> {
if self.body_type == RigidBodyType::Dynamic {
- return self.forces.user_force;
+ self.forces.user_force
+ } else {
+ Vector::zeros()
}
- Vector::zeros()
}
/// Retrieves the constant torque(s) that the user has added to the body.
+ ///
+ /// Returns zero if the rigid-body isn’t dynamic.
pub fn user_torque(&self) -> AngVector<Real> {
if self.body_type == RigidBodyType::Dynamic {
- return self.forces.user_torque;
+ self.forces.user_torque
+ } else {
+ AngVector::zero()
}
- AngVector::zero()
}
}