src/geometry.rs

@@ -1,39 +1,39 @@
 use crate::math::{Point3, Vector3};
 
-pub struct Plane<T> {
-    point: Point3<T>,
-    normal: Vector3<T>,
+pub struct Plane {
+    point: Point3,
+    normal: Vector3,
 }
 
-impl<T> Plane<T> {
-    pub fn new(point: Point3<T>, normal: Vector3<T>) -> Plane<T> {
+impl Plane {
+    pub fn new(point: Point3, normal: Vector3) -> Plane {
         Plane { point, normal }
     }
 }
 
-pub struct Line<T> {
-    point: Point3<T>,
-    direction: Vector3<T>,
+pub struct Line {
+    point: Point3,
+    direction: Vector3,
 }
 
-pub struct Sphere<T> {
-    point: Point3<T>,
-    radius: T,
+pub struct Sphere {
+    point: Point3,
+    radius: f64,
 }
 
-impl<T> Sphere<T> {
-    pub fn new(point: Point3<T>, radius: T) -> Sphere<T> {
+impl Sphere {
+    pub fn new(point: Point3, radius: f64) -> Sphere {
         Sphere { point, radius }
     }
 }
 
-pub enum Geometry<T> {
-    Sphere(Sphere<T>),
-    Plane(Plane<T>),
-    Line(Line<T>),
+pub enum Geometry {
+    Sphere(Sphere),
+    Plane(Plane),
+    Line(Line),
 }
 
-impl<T> Geometry<T> {
+impl Geometry {
     pub fn draw(&self) {
         match self {
             Geometry::Sphere(_) => {

src/main.rs

@@ -42,18 +42,14 @@ impl Texture<f64> {
     }
 }
 
-struct RenderableGeometry<T> {
+struct RenderableGeometry {
     transform: Mat4x4,
-    geometry: Geometry<T>,
+    geometry: Geometry,
     texture: Rc<Texture<f64>>,
 }
 
-impl<T> RenderableGeometry<T> {
-    fn new(
-        transform: Mat4x4,
-        geometry: Geometry<T>,
-        texture: Rc<Texture<f64>>,
-    ) -> RenderableGeometry<T> {
+impl RenderableGeometry {
+    fn new(transform: Mat4x4, geometry: Geometry, texture: Rc<Texture<f64>>) -> RenderableGeometry {
         RenderableGeometry {
             transform,
             geometry,
@@ -66,19 +62,19 @@ trait Renderable {
     fn render(&self);
 }
 
-impl<T> Renderable for Sphere<T> {
+impl Renderable for Sphere {
     fn render(&self) {
         println!("Rendering Sphere!");
     }
 }
 
-impl<T> Renderable for Plane<T> {
+impl Renderable for Plane {
     fn render(&self) {
         println!("Rendering Plane!");
     }
 }
 
-impl<T> Renderable for Line<T> {
+impl Renderable for Line {
     fn render(&self) {
         println!("Rendering Line!");
     }
@@ -124,7 +120,4 @@ fn main() {
     );
 
     println!("Reference counter = {}", Rc::strong_count(&tex));
-
-    let a = Vector3::new(2.0, 3.0, 1.0);
-    let b = 10.0 * a;
 }

src/math.rs

@@ -1,23 +1,17 @@
 use std::ops::{Add, Div, Mul, Sub};
 
-macro_rules! create_vector {
-    ($name:ident [$($elem:ident),+] ) => {
-        #[derive(Copy, Clone, PartialEq, Debug)]
-        pub struct $name<T> {
-            $($elem: T,)*
-        }
-
-        impl<T> $name<T> {
-            pub fn new($($elem : T,)*) -> $name<T> {
-                $name { $($elem,)* }
-            }
-        }
-    };
+#[derive(Copy, Clone, PartialEq, Debug)]
+pub struct Vector3<T> {
+    x: T,
+    y: T,
+    z: T,
 }
 
-create_vector! { Vector4 [x, y, z, w] }
-create_vector! { Vector3 [x, y, z] }
-create_vector! { Vector2 [x, y] }
+impl<T> Vector3<T> {
+    pub fn new(x: T, y: T, z: T) -> Vector3<T> {
+        Vector3 { x, y, z }
+    }
+}
 
 impl<T> Add for Vector3<T>
 where
@@ -52,20 +46,14 @@ where
     }
 }
 
-macro_rules! impl_mul_for_vector3 {
-    ($($type:ty)+) => {
-        $(
-        impl Mul<Vector3<$type>> for $type {
-            type Output = Vector3<$type>;
+/*
+impl<T> Mul<Vector3<T>> for f64 {
+    type Output = Vector3<T>;
 
-            fn mul(self, rhs: Vector3<$type>) -> Self::Output {
-                Vector3::new(self * rhs.x, self * rhs.y, self * rhs.z)
-            }
-        })*
-    };
-}
-
-impl_mul_for_vector3! { i32 f32 f64 }
+    fn mul(self, rhs: Vector3<T>) -> Self::Output {
+        Vector3::new(self * rhs.x, self * rhs.y, self * rhs.z)
+    }
+}*/
 
 impl<T> Mul for Vector3<T>
 where
@@ -90,36 +78,30 @@ where
 }
 
 #[derive(Copy, Clone, PartialEq, Debug)]
-pub struct Point3<T> {
-    x: T,
-    y: T,
-    z: T,
+pub struct Point3 {
+    x: f64,
+    y: f64,
+    z: f64,
 }
 
-impl<T> Point3<T> {
-    pub fn new(x: T, y: T, z: T) -> Point3<T> {
+impl Point3 {
+    pub fn new(x: f64, y: f64, z: f64) -> Point3 {
         Point3 { x, y, z }
     }
 }
 
-impl<T> Add<Vector3<T>> for Point3<T>
-where
-    T: Add<Output = T>,
-{
-    type Output = Point3<T>;
+impl Add<Vector3<T>> for Point3 {
+    type Output = Point3;
 
     fn add(self, rhs: Vector3<T>) -> Self::Output {
         Point3::new(self.x + rhs.x, self.y + rhs.y, self.z + rhs.z)
     }
 }
 
-impl<T> Sub for Point3<T>
-where
-    T: Sub<Output = T>,
-{
+impl Sub for Point3 {
     type Output = Vector3<T>;
 
-    fn sub(self, rhs: Point3<T>) -> Self::Output {
+    fn sub(self, rhs: Point3) -> Self::Output {
         Vector3::new(self.x - rhs.x, self.y - rhs.y, self.z - rhs.z)
     }
 }