From 8bc2c4b229892311bebdeab785c175ebd64c9ac9 Mon Sep 17 00:00:00 2001
From: Matthew Gordon <matthew.scott.gordon@gmail.com>
Date: Fri, 22 May 2020 21:05:30 -0400
Subject: [PATCH] Upgrade to nalgebra 0.21

---
 Cargo.toml              | 3 ++-
 src/raycasting/plane.rs | 2 +-
 src/realtype.rs         | 3 ++-
 3 files changed, 5 insertions(+), 3 deletions(-)

diff --git a/Cargo.toml b/Cargo.toml
index 67bcb2b..24c0e47 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -12,9 +12,10 @@ quickcheck = "0.9"
 quickcheck_macros = "0.8"
 rayon = "1.3"
 sdl2 = "0.32"
+simba = "0.1.2"
 
 [dependencies.nalgebra]
-version = "0.19"
+version = "0.21"
 features = ["arbitrary"]
 
 [dev-dependencies]
diff --git a/src/raycasting/plane.rs b/src/raycasting/plane.rs
index b26c3e3..64ae562 100644
--- a/src/raycasting/plane.rs
+++ b/src/raycasting/plane.rs
@@ -21,7 +21,7 @@ impl<T: Real> Plane<T> {
         distance_from_origin: T,
         material: Arc<dyn Material<T>>,
     ) -> Plane<T> {
-        normal.normalize();
+        let normal = normal.normalize();
         let mut axis_closest_to_tangent = Vector3::zeros();
         axis_closest_to_tangent[normal.iamin()] = T::one();
         let cotangent = normal.cross(&axis_closest_to_tangent).normalize();
diff --git a/src/realtype.rs b/src/realtype.rs
index 5fe4bf1..4c5dc95 100644
--- a/src/realtype.rs
+++ b/src/realtype.rs
@@ -1,10 +1,11 @@
+use simba::scalar::{SubsetOf,SupersetOf};
 use nalgebra::RealField;
 
 pub trait NormalizedToU32 {
     fn normalized_to_u32(self, num_bits: usize) -> u32;
 }
 
-pub trait Real: RealField + NormalizedToU32 {}
+pub trait Real: RealField + SupersetOf<f32> + SubsetOf<f32> + NormalizedToU32 {}
 
 impl NormalizedToU32 for f32 {
     fn normalized_to_u32(self, num_bits: usize) -> u32 {