Update to latest version of all dependencies

Cargo.toml

@@ -32,17 +32,17 @@ keywords = ["gamedev", "cgmath", "collision"]
 name = "collision"
 
 [dependencies]
-rand = "0.6"
-approx = "0.3" # Only for the macros; for all other instances use the re-exported cgmath ones.
-cgmath = "0.17"
+rand = "0.8"
+approx = "0.4" # Only for the macros; for all other instances use the re-exported cgmath ones.
+cgmath = "0.18"
 serde = { version = "1.0", optional = true, features = ["derive"] }
 bit-set = "0.5"
-smallvec = "0.6.1"
+smallvec = "1.6"
+num = { version = "0.3", optional = true, features = ["serde"] }
 
-[target.'cfg(feature="serde")'.dependencies]
-cgmath = { version = "0.17", features = ["serde"] }
-num = { version = "0.2", features = ["serde"] }
+[features]
+use-serde = ["serde", "cgmath/serde", "num"]
 
 [dev-dependencies]
-genmesh = "0.5"
+genmesh = "0.6"
 

src/dbvt/mod.rs

@@ -900,7 +900,7 @@ where
 
         // Only do rotations occasionally, as they are fairly expensive, and shouldn't be overused.
         // For most scenarios, the majority of shapes will not have moved, so this is fine.
-        if rand::thread_rng().gen_range(0, 100) < PERFORM_ROTATION_PERCENTAGE {
+        if rand::thread_rng().gen_range(0..100) < PERFORM_ROTATION_PERCENTAGE {
             self.rotate(node_index);
         }
     }

tests/bound.rs

@@ -2,7 +2,7 @@ extern crate collision;
 
 use collision::PlaneBound;
 
-fn _box(_: Box<PlaneBound<f32>>) {}
+fn _box(_: Box<dyn PlaneBound<f32>>) {}
 
 #[test]
 fn bound_box() {}

tests/dbvt.rs

@@ -2,11 +2,11 @@ extern crate cgmath;
 extern crate collision;
 extern crate rand;
 
-use cgmath::{Deg, PerspectiveFov, Point2, Point3, Vector2, Vector3};
 use cgmath::prelude::*;
-use collision::{Aabb2, Aabb3, Frustum, Projection, Ray2, Relation};
+use cgmath::{Deg, PerspectiveFov, Point2, Point3, Vector2, Vector3};
 use collision::dbvt::*;
 use collision::prelude::*;
+use collision::{Aabb2, Aabb3, Frustum, Projection, Ray2, Relation};
 use rand::Rng;
 
 #[derive(Debug, Clone)]
@@ -122,7 +122,7 @@ fn test_add_20() {
     let mut tree = DynamicBoundingVolumeTree::<Value2>::new();
     let mut rng = rand::thread_rng();
     for i in 0..20 {
-        let offset = rng.gen_range(-10., 10.);
+        let offset = rng.gen_range(-10f32..10f32);
         tree.insert(Value2::new(
             i,
             aabb2(offset + 0.1, offset + 0.1, offset + 0.3, offset + 0.3),