Initial commit: Final state of the master project

2017-09-16 09:41:37 +02:00
commit 696180d43b
832 changed files with 169717 additions and 0 deletions
--- a/Research/inc/glm/gtx/vector_angle.inl
+++ b/Research/inc/glm/gtx/vector_angle.inl
@@ -0,0 +1,99 @@
+///////////////////////////////////////////////////////////////////////////////////////////////////
+// OpenGL Mathematics Copyright (c) 2005 - 2014 G-Truc Creation (www.g-truc.net)
+///////////////////////////////////////////////////////////////////////////////////////////////////
+// Created : 2005-12-30
+// Updated : 2008-09-29
+// Licence : This source is under MIT License
+// File    : glm/gtx/vector_angle.inl
+///////////////////////////////////////////////////////////////////////////////////////////////////
+
+namespace glm
+{
+	template <typename genType> 
+	GLM_FUNC_QUALIFIER genType angle
+	(
+		genType const & x,
+		genType const & y
+	)
+	{
+		GLM_STATIC_ASSERT(std::numeric_limits<genType>::is_iec559, "'angle' only accept floating-point inputs");
+
+		genType const Angle(acos(clamp(dot(x, y), genType(-1), genType(1))));
+
+#ifdef GLM_FORCE_RADIANS
+		return Angle;
+#else
+#		pragma message("GLM: angle function returning degrees is deprecated. #define GLM_FORCE_RADIANS before including GLM headers to remove this message.")
+		return degrees(Angle);
+#endif
+	}
+
+	template <typename T, precision P, template <typename, precision> class vecType> 
+	GLM_FUNC_QUALIFIER T angle
+	(
+		vecType<T, P> const & x,
+		vecType<T, P> const & y
+	)
+	{
+		GLM_STATIC_ASSERT(std::numeric_limits<T>::is_iec559, "'angle' only accept floating-point inputs");
+
+		T const Angle(acos(clamp(dot(x, y), T(-1), T(1))));
+
+#ifdef GLM_FORCE_RADIANS
+		return Angle;
+#else
+#		pragma message("GLM: angle function returning degrees is deprecated. #define GLM_FORCE_RADIANS before including GLM headers to remove this message.")
+		return degrees(Angle);
+#endif
+	}
+
+	//! \todo epsilon is hard coded to 0.01
+	template <typename T, precision P>
+	GLM_FUNC_QUALIFIER T orientedAngle
+	(
+		detail::tvec2<T, P> const & x,
+		detail::tvec2<T, P> const & y
+	)
+	{
+		GLM_STATIC_ASSERT(std::numeric_limits<T>::is_iec559, "'orientedAngle' only accept floating-point inputs");
+
+		T const Dot = clamp(dot(x, y), T(-1), T(1));
+
+#ifdef GLM_FORCE_RADIANS
+		T const Angle(acos(Dot));
+#else
+#		pragma message("GLM: orientedAngle function returning degrees is deprecated. #define GLM_FORCE_RADIANS before including GLM headers to remove this message.")
+		T const Angle(degrees(acos(Dot)));
+#endif
+		detail::tvec2<T, P> const TransformedVector(glm::rotate(x, Angle));
+		if(all(epsilonEqual(y, TransformedVector, T(0.01))))
+			return Angle;
+		else
+			return -Angle;
+	}
+
+	template <typename T, precision P>
+	GLM_FUNC_QUALIFIER T orientedAngle
+	(
+		detail::tvec3<T, P> const & x,
+		detail::tvec3<T, P> const & y,
+		detail::tvec3<T, P> const & ref
+	)
+	{
+		GLM_STATIC_ASSERT(std::numeric_limits<T>::is_iec559, "'orientedAngle' only accept floating-point inputs");
+
+		T const Dot = clamp(dot(x, y), T(-1), T(1));
+
+#ifdef GLM_FORCE_RADIANS
+		T const Angle(acos(Dot));
+#else
+#		pragma message("GLM: orientedAngle function returning degrees is deprecated. #define GLM_FORCE_RADIANS before including GLM headers to remove this message.")
+		T const Angle(degrees(acos(Dot)));
+#endif
+
+		if(dot(ref, cross(x, y)) < T(0))
+			return -Angle;
+		else
+			return Angle;
+	}
+}//namespace glm