Fix 2D compilation.

src/geometry/mod.rs

@@ -19,6 +19,7 @@ pub use self::narrow_phase::NarrowPhase;
 pub use self::polygon::Polygon;
 pub use self::proximity::ProximityPair;
 pub use self::proximity_detector::{DefaultProximityDispatcher, ProximityDispatcher};
+#[cfg(feature = "dim3")]
 pub use self::round_cylinder::RoundCylinder;
 pub use self::trimesh::Trimesh;
 pub use ncollide::query::Proximity;
@@ -98,5 +99,6 @@ mod wquadtree;
 mod capsule;
 #[cfg(feature = "dim3")]
 mod polygonal_feature_map;
+#[cfg(feature = "dim3")]
 mod round_cylinder;
 mod shape;

src/geometry/round_cylinder.rs

@@ -1,4 +1,3 @@
-#[cfg(feature = "dim3")]
 use crate::geometry::Cylinder;
 use crate::math::{Isometry, Point, Vector};
 use na::Unit;

src/geometry/sat.rs

@@ -298,7 +298,7 @@ pub fn triangle_cuboid_find_local_separating_normal_oneway(
 
 #[cfg(feature = "dim2")]
 pub fn segment_cuboid_find_local_separating_normal_oneway(
-    segment1: &Segment<f32>,
+    segment1: &Segment,
     shape2: &Cuboid,
     pos12: &Isometry<f32>,
 ) -> (f32, Vector<f32>) {

src/geometry/shape.rs

@@ -1,7 +1,5 @@
 use crate::dynamics::MassProperties;
-use crate::geometry::{
-    Ball, Capsule, Cuboid, HeightField, RoundCylinder, Segment, Triangle, Trimesh,
-};
+use crate::geometry::{Ball, Capsule, Cuboid, HeightField, Segment, Triangle, Trimesh};
 use crate::math::Isometry;
 use downcast_rs::{impl_downcast, DowncastSync};
 #[cfg(feature = "serde-serialize")]
@@ -12,7 +10,7 @@ use num::Zero;
 use num_derive::FromPrimitive;
 #[cfg(feature = "dim3")]
 use {
-    crate::geometry::{Cone, Cylinder, PolygonalFeatureMap},
+    crate::geometry::{Cone, Cylinder, PolygonalFeatureMap, RoundCylinder},
     ncollide::bounding_volume::BoundingVolume,
 };