Merge pull request #4 from FOSSEE/develop

merging dev into master

1 files changed, 215 insertions, 0 deletions

diff --git a/include/gal/opengl/glm/gtx/rotate_vector.inl b/include/gal/opengl/glm/gtx/rotate_vector.inl
new file mode 100644
index 0000000..1ec1717
--- /dev/null
+++ b/include/gal/opengl/glm/gtx/rotate_vector.inl
@@ -0,0 +1,215 @@
+///////////////////////////////////////////////////////////////////////////////////////////////////
+// OpenGL Mathematics Copyright (c) 2005 - 2013 G-Truc Creation (www.g-truc.net)
+///////////////////////////////////////////////////////////////////////////////////////////////////
+// Created : 2006-11-02
+// Updated : 2009-02-19
+// Licence : This source is under MIT License
+// File    : glm/gtx/rotate_vector.inl
+///////////////////////////////////////////////////////////////////////////////////////////////////
+
+namespace glm
+{
+	template <typename T>
+	GLM_FUNC_QUALIFIER detail::tvec2<T> rotate
+	(
+		detail::tvec2<T> const & v, 
+		T const & angle
+	)
+	{
+		detail::tvec2<T> Result;
+#ifdef GLM_FORCE_RADIANS
+		T const Cos(cos(angle));
+		T const Sin(sin(angle));
+#else
+		T const Cos = cos(radians(angle));
+		T const Sin = sin(radians(angle));
+#endif
+		Result.x = v.x * Cos - v.y * Sin;
+		Result.y = v.x * Sin + v.y * Cos;
+		return Result;
+	}
+
+	template <typename T> 
+	GLM_FUNC_QUALIFIER detail::tvec3<T> rotate
+	(
+		detail::tvec3<T> const & v, 
+		T const & angle, 
+		detail::tvec3<T> const & normal
+	)
+	{
+		return detail::tmat3x3<T>(glm::rotate(angle, normal)) * v;
+	}
+	/*
+	template <typename T> 
+	GLM_FUNC_QUALIFIER detail::tvec3<T> rotateGTX(
+		const detail::tvec3<T>& x, 
+		T angle, 
+		const detail::tvec3<T>& normal)
+	{
+		const T Cos = cos(radians(angle));
+		const T Sin = sin(radians(angle));
+		return x * Cos + ((x * normal) * (T(1) - Cos)) * normal + cross(x, normal) * Sin;
+	}
+	*/
+	template <typename T> 
+	GLM_FUNC_QUALIFIER detail::tvec4<T> rotate
+	(
+		detail::tvec4<T> const & v, 
+		T const & angle, 
+		detail::tvec3<T> const & normal
+	)
+	{
+		return rotate(angle, normal) * v;
+	}
+
+	template <typename T>
+	GLM_FUNC_QUALIFIER detail::tvec3<T> rotateX
+	(
+		detail::tvec3<T> const & v, 
+		T const & angle
+	)
+	{
+		detail::tvec3<T> Result(v);
+
+#ifdef GLM_FORCE_RADIANS
+		T const Cos(cos(angle));
+		T const Sin(sin(angle));
+#else
+		T const Cos = cos(radians(angle));
+		T const Sin = sin(radians(angle));
+#endif
+
+		Result.y = v.y * Cos - v.z * Sin;
+		Result.z = v.y * Sin + v.z * Cos;
+		return Result;
+	}
+
+	template <typename T>
+	GLM_FUNC_QUALIFIER detail::tvec3<T> rotateY
+	(
+		detail::tvec3<T> const & v, 
+		T const & angle
+	)
+	{
+		detail::tvec3<T> Result = v;
+
+#ifdef GLM_FORCE_RADIANS
+		T const Cos(cos(angle));
+		T const Sin(sin(angle));
+#else
+		T const Cos(cos(radians(angle)));
+		T const Sin(sin(radians(angle)));
+#endif
+
+		Result.x =  v.x * Cos + v.z * Sin;
+		Result.z = -v.x * Sin + v.z * Cos;
+		return Result;
+	}
+
+	template <typename T>
+	GLM_FUNC_QUALIFIER detail::tvec3<T> rotateZ
+	(
+		detail::tvec3<T> const & v, 
+		T const & angle
+	)
+	{
+		detail::tvec3<T> Result = v;
+
+#ifdef GLM_FORCE_RADIANS
+		T const Cos(cos(angle));
+		T const Sin(sin(angle));
+#else
+		T const Cos(cos(radians(angle)));
+		T const Sin(sin(radians(angle)));
+#endif
+
+		Result.x = v.x * Cos - v.y * Sin;
+		Result.y = v.x * Sin + v.y * Cos;
+		return Result;
+	}
+
+	template <typename T>
+	GLM_FUNC_QUALIFIER detail::tvec4<T> rotateX
+	(
+		detail::tvec4<T> const & v, 
+		T const & angle
+	)
+	{
+		detail::tvec4<T> Result = v;
+
+#ifdef GLM_FORCE_RADIANS
+		T const Cos(cos(angle));
+		T const Sin(sin(angle));
+#else
+		T const Cos(cos(radians(angle)));
+		T const Sin(sin(radians(angle)));
+#endif
+
+		Result.y = v.y * Cos - v.z * Sin;
+		Result.z = v.y * Sin + v.z * Cos;
+		return Result;
+	}
+
+	template <typename T>
+	GLM_FUNC_QUALIFIER detail::tvec4<T> rotateY
+	(
+		detail::tvec4<T> const & v, 
+		T const & angle
+	)
+	{
+		detail::tvec4<T> Result = v;
+
+#ifdef GLM_FORCE_RADIANS
+		T const Cos(cos(angle));
+		T const Sin(sin(angle));
+#else
+		T const Cos(cos(radians(angle)));
+		T const Sin(sin(radians(angle)));
+#endif
+
+		Result.x =  v.x * Cos + v.z * Sin;
+		Result.z = -v.x * Sin + v.z * Cos;
+		return Result;
+	}
+
+	template <typename T>
+	GLM_FUNC_QUALIFIER detail::tvec4<T> rotateZ
+	(
+		detail::tvec4<T> const & v, 
+		T const & angle
+	)
+	{
+		detail::tvec4<T> Result = v;
+
+#ifdef GLM_FORCE_RADIANS
+		T const Cos(cos(angle));
+		T const Sin(sin(angle));
+#else
+		T const Cos(cos(radians(angle)));
+		T const Sin(sin(radians(angle)));
+#endif
+
+		Result.x = v.x * Cos - v.y * Sin;
+		Result.y = v.x * Sin + v.y * Cos;
+		return Result;
+	}
+
+	template <typename T>
+	GLM_FUNC_QUALIFIER detail::tmat4x4<T> orientation
+	(
+		detail::tvec3<T> const & Normal, 
+		detail::tvec3<T> const & Up
+	)
+	{
+		if(all(equal(Normal, Up)))
+			return detail::tmat4x4<T>(T(1));
+
+		detail::tvec3<T> RotationAxis = cross(Up, Normal);
+#		ifdef GLM_FORCE_RADIANS
+			T Angle = acos(dot(Normal, Up));
+#		else
+			T Angle = degrees(acos(dot(Normal, Up)));
+#		endif
+		return rotate(Angle, RotationAxis);
+	}
+}//namespace glm