From 651f99e7cff10f03bf7c1526790ae4dd338291c3 Mon Sep 17 00:00:00 2001
From: Landon Manning <LManning17@gmail.com>
Date: Sun, 26 Oct 2014 21:45:44 -0300
Subject: [PATCH] Convert orientation vector to a direction

---
 cpml/vec3.lua | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/cpml/vec3.lua b/cpml/vec3.lua
index 8b936ab..89d89f0 100644
--- a/cpml/vec3.lua
+++ b/cpml/vec3.lua
@@ -221,6 +221,13 @@ function vector:trimmed(maxLen)
 	return self:clone():trim_inplace(maxLen)
 end
 
+function vector:orientation_to_direction()
+	return new(0, 1, 0)
+		:rotated(self.x, new(1, 0, 0))
+		:rotated(self.y, new(0, 1, 0))
+		:rotated(self.z, new(0, 0, 1))
+end
+
 -- the module
 return setmetatable({new = new, isvector = isvector, zero = zero},
 {__call = function(_, ...) return new(...) end})