From e62817b8252974b8a98393275874ee303840bf13 Mon Sep 17 00:00:00 2001
From: LaG1924 <12997935+LaG1924@users.noreply.github.com>
Date: Fri, 12 May 2017 18:49:50 +0500
Subject: 2017-05-12

---
 depedencies/include/glm/gtx/closest_point.inl | 46 +++++++++++++++++++++++++++
 1 file changed, 46 insertions(+)
 create mode 100644 depedencies/include/glm/gtx/closest_point.inl

(limited to 'depedencies/include/glm/gtx/closest_point.inl')

diff --git a/depedencies/include/glm/gtx/closest_point.inl b/depedencies/include/glm/gtx/closest_point.inl
new file mode 100644
index 0000000..5c6a879
--- /dev/null
+++ b/depedencies/include/glm/gtx/closest_point.inl
@@ -0,0 +1,46 @@
+/// @ref gtx_closest_point
+/// @file glm/gtx/closest_point.inl
+
+namespace glm
+{
+	template <typename T, precision P>
+	GLM_FUNC_QUALIFIER tvec3<T, P> closestPointOnLine
+	(
+		tvec3<T, P> const & point,
+		tvec3<T, P> const & a,
+		tvec3<T, P> const & b
+	)
+	{
+		T LineLength = distance(a, b);
+		tvec3<T, P> Vector = point - a;
+		tvec3<T, P> LineDirection = (b - a) / LineLength;
+
+		// Project Vector to LineDirection to get the distance of point from a
+		T Distance = dot(Vector, LineDirection);
+
+		if(Distance <= T(0)) return a;
+		if(Distance >= LineLength) return b;
+		return a + LineDirection * Distance;
+	}
+	
+	template <typename T, precision P>
+	GLM_FUNC_QUALIFIER tvec2<T, P> closestPointOnLine
+	(
+		tvec2<T, P> const & point,
+		tvec2<T, P> const & a,
+		tvec2<T, P> const & b
+	)
+	{
+		T LineLength = distance(a, b);
+		tvec2<T, P> Vector = point - a;
+		tvec2<T, P> LineDirection = (b - a) / LineLength;
+
+		// Project Vector to LineDirection to get the distance of point from a
+		T Distance = dot(Vector, LineDirection);
+
+		if(Distance <= T(0)) return a;
+		if(Distance >= LineLength) return b;
+		return a + LineDirection * Distance;
+	}
+	
+}//namespace glm
-- 
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