Add 3d bounding box and merged SceneIntersection and Intersection

1 files changed, 15 insertions, 1 deletions

diff --git a/src/core/vector3.rs b/src/core/vector3.rs
index e26c07c..1cc6f60 100644
--- a/src/core/vector3.rs
+++ b/src/core/vector3.rs
@@ -2,7 +2,7 @@
 //!
 //! Also add more 3d math things needed for shading and 3d calculations.
 use crate::{Float, Number, NEAR_ZERO};
-use std::ops::{Mul, Sub, Add, DivAssign, Neg, AddAssign};
+use std::ops::{Mul, Sub, Add, DivAssign, Neg, AddAssign, Index};
 use std::fmt;
 
 #[derive(Clone, Copy)]
@@ -107,6 +107,20 @@ impl<T: Number> fmt::Display for Vector3<T> {
     }
 }
 
+// Ohh god
+impl<T: Number> Index<u32> for Vector3<T> {
+    type Output = T;
+
+    fn index(&self, i: u32) -> &Self::Output {
+        match i {
+            0 => &self.x,
+            1 => &self.y,
+            2 => &self.z,
+            _ => panic!("index out of bounds: index {} is not possible with 3d vector", i)
+        }
+    }
+}
+
 impl Vector3f {
     pub const ZERO: Self = Vector3f {x: 0.0, y: 0.0, z: 0.0};