Some changes

src/math.rs

@@ -1,62 +1,78 @@
 use std::ops::{Add, Div, Mul, Sub};
 
 #[derive(Copy, Clone, PartialEq, Debug)]
-pub struct Vector3 {
-    x: f64,
-    y: f64,
-    z: f64,
+pub struct Vector3<T> {
+    x: T,
+    y: T,
+    z: T,
 }
 
-impl Vector3 {
-    pub fn new(x: f64, y: f64, z: f64) -> Vector3 {
+impl<T> Vector3<T> {
+    pub fn new(x: T, y: T, z: T) -> Vector3<T> {
         Vector3 { x, y, z }
     }
 }
 
-impl Add for Vector3 {
-    type Output = Vector3;
+impl<T> Add for Vector3<T>
+where
+    T: Add<Output = T>,
+{
+    type Output = Vector3<T>;
 
-    fn add(self, rhs: Vector3) -> Self::Output {
+    fn add(self, rhs: Vector3<T>) -> Self::Output {
         Vector3::new(self.x + rhs.x, self.y + rhs.y, self.z + rhs.z)
     }
 }
 
-impl Sub for Vector3 {
-    type Output = Vector3;
+impl<T> Sub for Vector3<T>
+where
+    T: Sub<Output = T>,
+{
+    type Output = Vector3<T>;
 
-    fn sub(self, rhs: Vector3) -> Self::Output {
+    fn sub(self, rhs: Vector3<T>) -> Self::Output {
         Vector3::new(self.x - rhs.x, self.y - rhs.y, self.z - rhs.z)
     }
 }
 
-impl Mul<f64> for Vector3 {
-    type Output = Vector3;
+impl<T> Mul<T> for Vector3<T>
+where
+    T: Mul<Output = T> + Clone + Copy,
+{
+    type Output = Vector3<T>;
 
-    fn mul(self, rhs: f64) -> Self::Output {
+    fn mul(self, rhs: T) -> Self::Output {
         Vector3::new(self.x * rhs, self.y * rhs, self.z * rhs)
     }
 }
 
-impl Mul<Vector3> for f64 {
-    type Output = Vector3;
+/*
+impl<T> Mul<Vector3<T>> for f64 {
+    type Output = Vector3<T>;
 
-    fn mul(self, rhs: Vector3) -> Self::Output {
+    fn mul(self, rhs: Vector3<T>) -> Self::Output {
         Vector3::new(self * rhs.x, self * rhs.y, self * rhs.z)
     }
-}
+}*/
 
-impl Mul for Vector3 {
-    type Output = f64;
+impl<T> Mul for Vector3<T>
+where
+    T: Mul<Output = T> + Add<Output = T>,
+{
+    type Output = T;
 
-    fn mul(self, rhs: Vector3) -> Self::Output {
+    fn mul(self, rhs: Vector3<T>) -> Self::Output {
         self.x * rhs.x + self.y * rhs.y + self.z * rhs.z
     }
 }
 
-impl Div<f64> for Vector3 {
-    type Output = Vector3;
+impl<T> Div<T> for Vector3<T>
+where
+    T: Div<Output = T> + Copy + Clone,
+{
+    type Output = Vector3<T>;
 
-    fn div(self, rhs: f64) -> Self::Output {
+    fn div(self, rhs: T) -> Self::Output {
         Vector3::new(self.x / rhs, self.y / rhs, self.z / rhs)
     }
 }
@@ -74,16 +90,16 @@ impl Point3 {
     }
 }
 
-impl Add<Vector3> for Point3 {
+impl Add<Vector3<T>> for Point3 {
     type Output = Point3;
 
-    fn add(self, rhs: Vector3) -> Self::Output {
+    fn add(self, rhs: Vector3<T>) -> Self::Output {
         Point3::new(self.x + rhs.x, self.y + rhs.y, self.z + rhs.z)
     }
 }
 
 impl Sub for Point3 {
-    type Output = Vector3;
+    type Output = Vector3<T>;
 
     fn sub(self, rhs: Point3) -> Self::Output {
         Vector3::new(self.x - rhs.x, self.y - rhs.y, self.z - rhs.z)