From 50293ca41770cae73c2bb0ed77c7bc52439e9b59 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?S=C3=A9bastien=20Crozet?= <developer@crozet.re>
Date: Sat, 29 Jun 2013 18:37:01 +0000
Subject: [PATCH] Add read-only access to a Rotmat subcomponents.

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

diff --git a/src/adaptors/rotmat.rs b/src/adaptors/rotmat.rs
index 2a5a3cce..6c423338 100644
--- a/src/adaptors/rotmat.rs
+++ b/src/adaptors/rotmat.rs
@@ -19,6 +19,12 @@ use vec::Vec3;
 pub struct Rotmat<M>
 { priv submat: M }
 
+impl<M: Copy> Rotmat<M>
+{
+  pub fn submat(&self) -> M
+  { copy self.submat }
+}
+
 pub fn rotmat2<N: Copy + Trigonometric + Neg<N>>(angle: N) -> Rotmat<Mat2<N>>
 {
   let coa = angle.cos();