clippy: Fix needless return warnings.

src/query/epa/epa2.rs

@@ -346,7 +346,7 @@ impl EPA {
 
         let best_face = &self.faces[best_face_id.id];
         let cpts = best_face.closest_points(&self.vertices);
-        return Some((cpts.0, cpts.1, best_face.normal));
+        Some((cpts.0, cpts.1, best_face.normal))
     }
 }
 

src/query/epa/epa3.rs

@@ -418,7 +418,7 @@ impl EPA {
 
         let best_face = &self.faces[best_face_id.id];
         let points = best_face.closest_points(&self.vertices);
-        return Some((points.0, points.1, best_face.normal));
+        Some((points.0, points.1, best_face.normal))
     }
 
     fn compute_silhouette(&mut self, point: usize, id: usize, opp_pt_id: usize) {

src/query/gjk/voronoi_simplex2.rs

@@ -55,7 +55,7 @@ impl VoronoiSimplex {
 
         self.dim += 1;
         self.vertices[self.dim] = pt;
-        return true;
+        true
     }
 
     /// Retrieves the barycentric coordinate associated to the `i`-th by the last call to `project_origin_and_reduce`.

src/query/gjk/voronoi_simplex3.rs

@@ -82,7 +82,7 @@ impl VoronoiSimplex {
 
         self.dim += 1;
         self.vertices[self.dim] = pt;
-        return true;
+        true
     }
 
     /// Retrieves the barycentric coordinate associated to the `i`-th by the last call to `project_origin_and_reduce`.

src/query/point/point_cylinder.rs

@@ -45,11 +45,11 @@ impl PointQuery for Cylinder {
             if pt.y > self.half_height {
                 if planar_dist_from_basis_center <= self.radius {
                     let projection_on_top = Point::new(pt.coords.x, self.half_height, pt.coords.z);
-                    return PointProjection::new(false, projection_on_top);
+                    PointProjection::new(false, projection_on_top)
                 } else {
                     let projection_on_top_circle =
                         Point::new(proj2d[0], self.half_height, proj2d[1]);
-                    return PointProjection::new(false, projection_on_top_circle);
+                    PointProjection::new(false, projection_on_top_circle)
                 }
             } else if pt.y < -self.half_height {
                 // Project on the bottom plane or the bottom circle.

src/query/point/point_tetrahedron.rs

@@ -294,7 +294,7 @@ impl PointQueryWithLocation for Tetrahedron {
                     return Some((proj, TetrahedronPointLocation::OnFace(i as u32, bcoords)));
                 }
             }
-            return None;
+            None
         }
 
         // Face abc.
@@ -343,6 +343,6 @@ impl PointQueryWithLocation for Tetrahedron {
         }
 
         let proj = PointProjection::new(true, *pt);
-        return (proj, TetrahedronPointLocation::OnSolid);
+        (proj, TetrahedronPointLocation::OnSolid)
     }
 }

src/query/point/point_triangle.rs

@@ -139,7 +139,7 @@ impl PointQueryWithLocation for Triangle {
                     return ProjectionInfo::OnBC;
                 }
 
-                return ProjectionInfo::OnFace(0, va, vb, vc);
+                ProjectionInfo::OnFace(0, va, vb, vc)
             }
             #[cfg(feature = "dim3")]
             {
@@ -173,7 +173,7 @@ impl PointQueryWithLocation for Triangle {
 
                 let clockwise = if n.dot(ap) >= 0.0 { 0 } else { 1 };
 
-                return ProjectionInfo::OnFace(clockwise, va, vb, vc);
+                ProjectionInfo::OnFace(clockwise, va, vb, vc)
             }
         }
 

src/shape/polyline.rs

@@ -171,7 +171,7 @@ impl Polyline {
 
         if indices.len() == 0 {
             // Polyline is empty, return empty Vec
-            return Vec::new();
+            Vec::new()
         } else {
             let mut components = Vec::new();
 

src/shape/triangle.rs

@@ -511,11 +511,7 @@ impl Triangle {
         let c = vp.dot(&nb) * signed_clim.signum();
         let clim = signed_clim.abs();
 
-        return c >= 0.0
-            && c <= clim
-            && b >= 0.0
-            && b <= blim
-            && c * blim + b * clim <= blim * clim;
+        c >= 0.0 && c <= clim && b >= 0.0 && b <= blim && c * blim + b * clim <= blim * clim
     }
 
     /// The normal of the given feature of this shape.

src/utils/point_in_poly2d.rs

@@ -22,6 +22,6 @@ pub fn point_in_poly2d(pt: &Point2<Real>, poly: &[Point2<Real>]) -> bool {
             }
         }
 
-        return true;
+        true
     }
 }

src/utils/segments_intersection.rs

@@ -141,7 +141,7 @@ fn parallel_intersection(
         });
     }
 
-    return None;
+    None
 }
 
 // Checks that `c` is in-between `a` and `b`.