From dafdbaf319debecc616ea31f77ec1a297873342e Mon Sep 17 00:00:00 2001
From: Jarrod Doyle <thejarroddoyle@gmail.com>
Date: Mon, 18 Sep 2023 21:46:35 +0100
Subject: [PATCH] Add Eq implementations for Plane and basic derives for
 PlaneIntersection

---
 csg/src/plane.rs | 12 ++++++++++++
 1 file changed, 12 insertions(+)

diff --git a/csg/src/plane.rs b/csg/src/plane.rs
index dbc4635..bc9db1d 100644
--- a/csg/src/plane.rs
+++ b/csg/src/plane.rs
@@ -22,6 +22,18 @@ impl Plane {
     }
 }
 
+impl PartialEq for Plane {
+    fn eq(&self, other: &Self) -> bool {
+        (self.normal.x - other.normal.x).abs() < math::EPSILON
+            && (self.normal.y - other.normal.y).abs() < math::EPSILON
+            && (self.normal.z - other.normal.z).abs() < math::EPSILON
+            && (self.offset - other.offset).abs() < math::EPSILON
+    }
+}
+
+impl Eq for Plane {}
+
+#[derive(Clone, Copy, Debug)]
 pub struct PlaneIntersection {
     pub planes: [Plane; 3],
 }