From 3ef8f4d918406eec6bdc29e0ebd883fabfac9b2e Mon Sep 17 00:00:00 2001
From: Julian T <julian@jtle.dk>
Date: Thu, 5 Aug 2021 15:44:40 +0200
Subject: Add picture for c5505ab84820248c6dba35fc06aef9e0ced183de

---
 src/core/bound3.rs | 113 -----------------------------------------------------
 1 file changed, 113 deletions(-)
 delete mode 100644 src/core/bound3.rs

(limited to 'src/core/bound3.rs')

diff --git a/src/core/bound3.rs b/src/core/bound3.rs
deleted file mode 100644
index ce6bb09..0000000
--- a/src/core/bound3.rs
+++ /dev/null
@@ -1,113 +0,0 @@
-//! Implements 3d axis aligned bounding box
-use crate::{Number, Float};
-use super::vector3::{Vector3, Vector3f};
-use crate::core::{min, max};
-use crate::core::Ray;
-
-#[derive(Clone)]
-pub struct Bound3<T: Number> {
-    pub min: Vector3<T>,
-    pub max: Vector3<T>
-}
-
-pub type Bound3f = Bound3<Float>;
-
-impl<T: Number> Bound3<T> {
-    /// Creates a bound from two points
-    pub fn new(p0: Vector3<T>, p1: Vector3<T>) -> Self {
-        // Elliminate some code duplication here
-        let min = Vector3::new_xyz(
-            min(p0.x, p1.x),
-            min(p0.y, p1.y),
-            min(p0.z, p1.z)
-            );
-        let max = Vector3::new_xyz(
-            max(p0.x, p1.x),
-            max(p0.y, p1.y),
-            max(p0.z, p1.z)
-            );
-
-        Self {min, max}
-    }
-
-    pub fn combine(&self, op: &Self) -> Self {
-        let min = Vector3::new_xyz(
-            min(self.min.x, op.min.x),
-            min(self.min.y, op.min.y),
-            min(self.min.z, op.min.z)
-            );
-        let max = Vector3::new_xyz(
-            max(self.max.x, op.max.x),
-            max(self.max.y, op.max.y),
-            max(self.max.z, op.max.z)
-            );
-
-        Self {min, max}
-    }
-
-    pub fn and(&self, op: &Self) -> Self {
-        let min_b = Vector3::new_xyz(
-            max(self.min.x, op.min.x),
-            max(self.min.y, op.min.y),
-            max(self.min.z, op.min.z)
-            );
-        let max_b = Vector3::new_xyz(
-            min(self.max.x, op.max.x),
-            min(self.max.y, op.max.y),
-            min(self.max.z, op.max.z)
-            );
-
-        Self {min: min_b, max: max_b}
-    }
-
-    pub fn area(&self) -> T {
-        let diag = self.max - self.min;
-        diag.x * diag.y * diag.z
-    }
-}
-
-impl Bound3f {
-    pub const EMPTY: Bound3f = Bound3f{min: Vector3f::ZERO, max: Vector3f::ZERO};
-
-    /// Calculate whether there is a intersect between a bounding box and a ray
-    ///
-    /// # Examples:
-    ///
-    /// ```
-    /// use rendering::core::{Bound3f, Vector3f, Ray};
-    /// use rendering::INFTY;
-    /// let b = Bound3f::new(Vector3f::new(7.0), Vector3f::new(10.0));
-    /// let r1 = Ray::new_to(Vector3f::new(0.0), Vector3f::new(5.0));
-    /// let r2 = Ray::new_to(Vector3f::new(-0.0), Vector3f::new(-5.0));
-    /// let r3 = Ray::new(Vector3f::new_xyz(-1.0, 0.0, 0.0), Vector3f::new_xyz(1.0, 0.0, 0.0));
-    ///
-    /// assert!(b.intersect(&r1, 0.0, INFTY));
-    /// assert!(!b.intersect(&r2, 0.0, INFTY));
-    /// assert!(!b.intersect(&r3, 0.0, INFTY));
-    /// ```
-    pub fn intersect(&self, ray: &Ray, t_min: Float, t_max: Float) -> bool {
-        println!("BIN: {} -> {}", self.min, self.max);
-        // Method stolen from Ray tracing the next week.
-        // They mention its from pixar
-        for i in 0..3 {
-            let inv = 1.0 / ray.direction[i];
-            let mut t0 = (self.min[i] - ray.origin[i]) * inv;
-            let mut t1 = (self.max[i] - ray.origin[i]) * inv;
-
-            if inv < 0.0 {
-                let tmp = t0;
-                t0 = t1;
-                t1 = tmp;
-            }
-
-            let t_min = max(t0, t_min);
-            let t_max = min(t1, t_max);
-
-            if t_max <= t_min {
-                return false;
-            }
-        }
-
-        return true;
-    }
-}
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