From 6f0573c79afc0d0f132405936e0dc7fc8bae1e56 Mon Sep 17 00:00:00 2001
From: Jeanne-Kamikaze <jeannekamikaze@gmail.com>
Date: Tue, 26 Aug 2014 16:07:10 +0200
Subject: [PATCH] Added 'from_point_normal'

---
 src/plane.rs | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/src/plane.rs b/src/plane.rs
index c155fb5..191f0a1 100644
--- a/src/plane.rs
+++ b/src/plane.rs
@@ -89,6 +89,12 @@ impl<S: BaseFloat> Plane<S> {
             Some(Plane::new(n, d))
         }
     }
+
+    /// Construct a plane from a point and a normal vector.
+    /// The plane will contain the point `p` and be perpendicular to `n`.
+    pub fn from_point_normal(p: Point3<S>, n: Vector3<S>) -> Plane<S> {
+        Plane { n: n, d: p.dot(&n) }
+    }
 }
 
 impl<S: BaseFloat> Intersect<Option<Point3<S>>> for (Plane<S>, Ray3<S>) {