From 93266ed328add757c639c6eec749b41b2af4618c Mon Sep 17 00:00:00 2001
From: Jarrod Doyle <thejarroddoyle@gmail.com>
Date: Mon, 25 Sep 2023 10:37:34 +0100
Subject: [PATCH] Add halfspace check to plane

---
 csg/src/plane.rs | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/csg/src/plane.rs b/csg/src/plane.rs
index 1d44852..746567d 100644
--- a/csg/src/plane.rs
+++ b/csg/src/plane.rs
@@ -23,6 +23,10 @@ impl Plane {
         }
     }
 
+    pub fn point_in_halfspace(&self, point: Vec3) -> bool {
+        self.normal.dot(point) - self.offset <= math::EPSILON
+    }
+
     pub fn into_vec4(&self) -> Vec4 {
         glam::vec4(self.normal.x, self.normal.y, self.normal.z, -self.offset)
     }