From b1f47d18bd76c1d1475f992f021e714289f4b79a Mon Sep 17 00:00:00 2001
From: Bernie Innocenti <bernie@codewiz.org>
Date: Sun, 19 Mar 2017 04:05:12 -0400
Subject: [PATCH] Split Vec3.

---
 support/camera.rs | 42 +++---------------------------------------
 support/mod.rs    |  1 +
 support/vec3.rs   | 42 ++++++++++++++++++++++++++++++++++++++++++
 3 files changed, 46 insertions(+), 39 deletions(-)
 create mode 100644 support/vec3.rs

diff --git a/support/camera.rs b/support/camera.rs
index 1b56d7d..10ad1f0 100644
--- a/support/camera.rs
+++ b/support/camera.rs
@@ -1,44 +1,13 @@
 extern crate glutin;
 
+use support::vec3::Vec3;
+use support::vec3::norm;
+
 use std::f32;
-use std::ops::Add;
-use std::ops::AddAssign;
-use std::ops::Sub;
-use std::ops::Mul;
 
 //use glutin::Event;
 //use glutin::VirtualKeyCode;
 
-#[derive(Default, PartialEq, Debug, Clone, Copy)]
-pub struct Vec3 (f32, f32, f32);
-
-impl Add for Vec3 {
-    type Output = Vec3;
-    fn add(self, other: Vec3) -> Vec3 {
-        Vec3(self.0 + other.0, self.1 + other.1, self.2 + other.2)
-    }
-}
-
-impl AddAssign for Vec3 {
-    fn add_assign(&mut self, other: Vec3) {
-        *self = Vec3(self.0 + other.0, self.1 + other.1, self.2 + other.2)
-    }
-}
-
-impl Sub for Vec3 {
-    type Output = Vec3;
-    fn sub(self, other: Vec3) -> Vec3 {
-        Vec3(self.0 - other.0, self.1 - other.1, self.2 - other.2)
-    }
-}
-
-impl Mul<f32> for Vec3 {
-    type Output = Vec3;
-    fn mul(self, f: f32) -> Vec3 {
-        Vec3(self.0 * f, self.1 * f, self.2 * f)
-    }
-}
-
 #[derive(Default)]
 pub struct CameraState {
     aspect_ratio: f32,
@@ -57,11 +26,6 @@ pub struct CameraState {
     turning_right: bool,
 }
 
-fn norm(v: &Vec3) -> Vec3 {
-    let len = (v.0 * v.0 + v.1 * v.1 + v.2 * v.2).sqrt();
-    Vec3(v.0 / len, v.1 / len, v.2 / len)
-}
-
 impl CameraState {
     pub fn new() -> CameraState {
         CameraState {
diff --git a/support/mod.rs b/support/mod.rs
index 068a524..8996e55 100644
--- a/support/mod.rs
+++ b/support/mod.rs
@@ -9,6 +9,7 @@ use glium::{self, Display};
 use glium::vertex::VertexBufferAny;
 
 pub mod camera;
+pub mod vec3;
 
 pub enum Action {
     Stop,
diff --git a/support/vec3.rs b/support/vec3.rs
new file mode 100644
index 0000000..85d3cc3
--- /dev/null
+++ b/support/vec3.rs
@@ -0,0 +1,42 @@
+extern crate glutin;
+
+use std::f32;
+use std::ops::Add;
+use std::ops::AddAssign;
+use std::ops::Sub;
+use std::ops::Mul;
+
+#[derive(Default, PartialEq, Debug, Clone, Copy)]
+pub struct Vec3 (pub f32, pub f32, pub f32);
+
+impl Add for Vec3 {
+    type Output = Vec3;
+    fn add(self, other: Vec3) -> Vec3 {
+        Vec3(self.0 + other.0, self.1 + other.1, self.2 + other.2)
+    }
+}
+
+impl AddAssign for Vec3 {
+    fn add_assign(&mut self, other: Vec3) {
+        *self = Vec3(self.0 + other.0, self.1 + other.1, self.2 + other.2)
+    }
+}
+
+impl Sub for Vec3 {
+    type Output = Vec3;
+    fn sub(self, other: Vec3) -> Vec3 {
+        Vec3(self.0 - other.0, self.1 - other.1, self.2 - other.2)
+    }
+}
+
+impl Mul<f32> for Vec3 {
+    type Output = Vec3;
+    fn mul(self, f: f32) -> Vec3 {
+        Vec3(self.0 * f, self.1 * f, self.2 * f)
+    }
+}
+
+pub fn norm(v: &Vec3) -> Vec3 {
+    let len = (v.0 * v.0 + v.1 * v.1 + v.2 * v.2).sqrt();
+    Vec3(v.0 / len, v.1 / len, v.2 / len)
+}
-- 
2.25.1